/* #region 1 — BASE & UTILITIES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

*::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
*::-webkit-scrollbar-track {
    background: transparent;
}
*::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}
*::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: var(--font-base);
    overflow-x: hidden;
}

main {
    flex: 1;
}

.sr-only {
    display: none;
}

.page-wrapper {
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: var(--space-4);
    gap: var(--space-6);
}


img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--text-primary);
    text-decoration: none;
}

.date {
    font-size: var(--font-xxs);
    font-style: italic;
}

.txt-center {
    text-align: center;
}

.hidden { display: none; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.empty-state {
    color: var(--text-muted);
    font-style: italic;
    padding: var(--space-4) 0;
}
/* #endregion */

/* #region 2 — HEADER & NAVIGATION */
header {
    background: var(--bg-secondary);
    padding: var(--space-2);
    border-bottom: var(--border-width) solid var(--border-color);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    width: 165px;
    height: auto;
}

.burger-menu {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    width: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.burger-line {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    display: block;
}

.main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--bg-secondary);
    z-index: 1000;
    transition: right 0.3s ease;
    padding: var(--space-8) var(--space-4);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.main-nav.nav-open {
    right: 0;
}

.main-nav a,
.nav-logout-btn {
    display: block;
    padding: var(--space-4);
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: none;
    border-left: 3px solid var(--accent-primary);
    text-align: center;
    font-size: var(--font-base);
    cursor: pointer;
    width: 100%;
}


.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.nav-overlay.overlay-visible {
    display: block;
}

.theme-toggle {
    background: var(--bg-tertiary);
    border: var(--border-width) solid var(--border-color);
    color: var(--text-primary);
    padding: var(--space-3);
    cursor: pointer;
    width: 100%;
}

.theme-icon {
    font-size: var(--font-xl);
}
/* #endregion */

/* #region 3 — FOOTER */
footer {
    position: sticky;
    bottom: 0;
    z-index: 10;
    background: var(--bg-secondary);
    padding: var(--space-4);
    border-top: var(--border-width) solid var(--border-color);
}
/* #endregion */

/* #region 4 — COMPOSANTS PARTAGÉS */
input[type="text"],
input[type="number"],
input[type="url"],
input[type="email"],
input[type="password"],
textarea,
select {
    width: 100%;
    padding: var(--space-2);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-base);
    background: var(--bg-primary);
    color: var(--text-primary);
}


textarea {
    min-height: 100px;
    resize: vertical;
}

input,
select,
textarea {
    font-family: inherit;
    font-size: var(--font-base);
    width: 100%;
}

/* Boutons */
button,
input[type="submit"] {
    cursor: pointer;
    font-family: inherit;
    font-size: var(--font-base);
}

input[type="submit"],
.btn-primary {
    padding: var(--btn-padding-y) var(--btn-padding-x);
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: var(--radius-2);
}

input[type="submit"]:hover,
.btn-primary:hover {
    opacity: 0.9;
}

.btn-secondary {
    padding: var(--btn-padding-y) var(--btn-padding-x);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-2);
}
.btn-secondary:hover { background: var(--card-hover); }

.btn-danger {
    padding: var(--btn-padding-y) var(--btn-padding-x);
    background: var(--accent-danger);
    color: white;
    border: none;
    border-radius: var(--radius-2);
}
.btn-danger:hover { opacity: 0.9; }

.btn-sm { font-size: var(--font-sm); padding: var(--btn-sm-padding-y) var(--btn-sm-padding-x); border-radius: var(--radius-1); }

.btn-danger-small {
    color: var(--accent-danger);
    font-size: var(--font-sm);
    background: none;
    border: none;
    text-decoration: underline;
    cursor: pointer;
    padding: 0;
}

.chord-diagram { position: relative; }
.btn-remove-chord {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--accent-danger);
    color: white;
    border: none;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 12px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
.btn-remove-chord:hover { opacity: 0.8; }

.btn-icon {
    width: var(--btn-icon-size);
    height: var(--btn-icon-size);
    border-radius: 50%;
    border: var(--border-width) solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--btn-icon-font);
    line-height: 1;
    padding: 0;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    flex-shrink: 0;
}
.btn-icon:hover { background: var(--card-hover); color: var(--text-primary); }
.btn-icon--sm { width: var(--btn-icon-size-sm); height: var(--btn-icon-size-sm); font-size: var(--btn-icon-font-sm); }
.btn-icon--ghost { background: none; border: none; }
.btn-icon--danger:hover { background: var(--accent-danger); color: white; border-color: var(--accent-danger); }

.lucide-btn {
    border: none;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: transparent;
    width: var(--btn-icon-size);
    height: var(--btn-icon-size);
}

.lucide-icon {
    width:24px;
    height:24px;
    fill: none;
    stroke: var(--accent-primary);
    stroke-width: 2;
    stroke-linecap :round;
    stroke-linejoin:round ;
}

.wrapper-button {
    display: flex;
    justify-content: flex-end;
}

.meta-chip {
    font-size: var(--font-xs);
    border-radius: var(--space-2);
    color: var(--accent-primary);
    background: var(--bg-tertiary);
    padding: var(--space-1) var(--space-2);
}

.meta-chip--warning {
    background: color-mix(in srgb, var(--accent-warning) 15%, var(--bg-primary));
    color: var(--accent-warning);
}
.meta-chip--libre {
    background: color-mix(in srgb, var(--accent-primary) 15%, var(--bg-primary));
    color: var(--accent-primary);
}

.progression-bar {
    width: 100%;
    height: 1px;
    background: white;
    position: relative;
    overflow: hidden;
}

.progression-fill {
    height: 100%;
    background: var(--accent-primary);
}

/* Difficulty bars */
.difficulty-bars {
    display: inline-flex;
    align-items: flex-end;
    gap: 2px;
    height: 16px;
    vertical-align: middle;
}

.difficulty-bar {
    height: 8px;
    display: block;
    width: 3px;
    border-radius: 1px;
    background: var(--border-color);
}

/* .difficulty-bar:nth-child(1) { height: 4px; }
.difficulty-bar:nth-child(2) { height: 7px; }
.difficulty-bar:nth-child(3) { height: 10px; }
.difficulty-bar:nth-child(4) { height: 13px; }
.difficulty-bar:nth-child(5) { height: 16px; } */

.difficulty-bars[data-level="1"] .difficulty-bar:nth-child(-n+1),
.difficulty-bars[data-level="2"] .difficulty-bar:nth-child(-n+2),
.difficulty-bars[data-level="3"] .difficulty-bar:nth-child(-n+3),
.difficulty-bars[data-level="4"] .difficulty-bar:nth-child(-n+4),
.difficulty-bars[data-level="5"] .difficulty-bar:nth-child(-n+5) { background: var(--accent-primary); }

.difficulty-bars[data-level] .difficulty-bar:nth-child(1) { --bar-opacity: 0.4; }
.difficulty-bars[data-level] .difficulty-bar:nth-child(2) { --bar-opacity: 0.55; }
.difficulty-bars[data-level] .difficulty-bar:nth-child(3) { --bar-opacity: 0.7; }
.difficulty-bars[data-level] .difficulty-bar:nth-child(4) { --bar-opacity: 0.85; }
.difficulty-bars[data-level] .difficulty-bar:nth-child(5) { --bar-opacity: 1; }

.difficulty-bars[data-level="1"] .difficulty-bar:nth-child(-n+1),
.difficulty-bars[data-level="2"] .difficulty-bar:nth-child(-n+2),
.difficulty-bars[data-level="3"] .difficulty-bar:nth-child(-n+3),
.difficulty-bars[data-level="4"] .difficulty-bar:nth-child(-n+4),
.difficulty-bars[data-level="5"] .difficulty-bar:nth-child(-n+5) { opacity: var(--bar-opacity); }

.back-link {
    margin-top: var(--space-6);
}

.back-link a {
    color: var(--text-secondary);
    font-size: var(--font-sm);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.section-header h1 {
    margin-bottom: 0;
}
/* #endregion */

/* #region 5 — HOME */
/* Sort dropdown */
.sort-dropdown {
    position: relative;
}
.btn-sort-toggle {
    border-radius: var(--space-2);
    background-color: var(--bg-secondary);
}
.btn-sort-toggle.open {
    color: var(--accent-primary);
}
.sort-panel {
    display: none;
    flex-direction: column;
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    z-index: 200;
    min-width: 180px;
    padding: var(--space-2);
    background: var(--card-bg);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-3);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}
.sort-panel.open {
    display: flex;
}
.sort-option,
.sort-dir-option {
    display: block;
    width: 100%;
    padding: var(--space-2) var(--space-3);
    background: none;
    border: none;
    border-radius: var(--radius-1);
    color: var(--text-secondary);
    font-size: var(--font-sm);
    text-align: left;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.sort-option:hover,
.sort-dir-option:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}
.sort-option.active {
    color: var(--accent-primary);
    font-weight: var(--font-weight-semibold);
}
.sort-dir-option.active {
    color: var(--accent-primary);
    font-weight: var(--font-weight-semibold);
}
.sort-panel-divider {
    height: var(--border-width);
    background: var(--border-color);
    margin: var(--space-1) 0;
}

.songs-grid {
    margin-top: 30px;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

.song-card {
    background: var(--bg-secondary);
    border-radius: var(--space-4) var(--space-4) var(--space-4) 0;
    padding: var(--space-4);
    cursor: pointer;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    height: 100%;
}

.song-card { position: relative; }

.song-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-2);
    padding-right: 20px;
    min-width: 0;
    overflow: hidden;
}

.song-card-info {
    min-width: 0;
    overflow: hidden;
}

.song-card-title {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-base);
    color: var(--text-primary);
    line-height: var(--line-height-tight);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.song-card-artist {
    font-size: var(--font-sm);
    line-height: normal;
    color: var(--text-secondary);
    margin-top: var(--space-1);
}

.song-card-meta {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.song-card-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: var(--space-1);
}

.card-add-btn {
    width: var(--btn-icon-size-sm);
    height: var(--btn-icon-size-sm);
    border-radius: 50%;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: var(--border-width) solid var(--border-color);
    cursor: pointer;
    font-size: var(--btn-icon-font-sm);
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    flex-shrink: 0;
}

@media (hover: hover) { .card-add-btn:hover { background: var(--accent-primary); color: white; border-color: var(--accent-primary); } }
.card-add-btn.in-playlist { background: var(--accent-primary); color: white; border-color: var(--accent-primary); }
.training-in-progress .card-add-btn { color: var(--text-muted); border-color: var(--text-muted); pointer-events: none; }
.training-in-progress .playlist-toggle { color: var(--text-muted); pointer-events: none; }

.card-fav-btn {
    width: var(--btn-icon-size-sm);
    height: var(--btn-icon-size-sm);
    border-radius: 50%;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: var(--border-width) solid var(--border-color);
    cursor: pointer;
    font-size: var(--font-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    flex-shrink: 0;
}
@media (hover: hover) { .card-fav-btn:hover { color: var(--status-learning); border-color: var(--status-learning); } }
.card-fav-btn.is-favori { color: var(--status-learning); border-color: var(--status-learning); }

.song-card-actions {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    display: flex;
    gap: var(--space-1);
    z-index: 10;
}
.card-action-btn {
    width: var(--btn-icon-size-sm);
    height: var(--btn-icon-size-sm);
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: var(--border-width) solid var(--border-color);
    cursor: pointer;
    font-size: var(--btn-icon-font-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
@media (hover: hover) { .card-action-btn:hover { background: var(--card-hover); color: var(--text-primary); } }
@media (hover: hover) { .card-action-btn--danger:hover { background: var(--accent-danger); color: white; border-color: var(--accent-danger); } }

.section-count { font-size: var(--font-sm); font-weight: normal; color: var(--text-muted); }

/* Onglets */
.tabs-nav {
    display: flex;
    margin-bottom: var(--space-4);
}
.tab-btn {
    flex: 1;
    position: relative;
    padding: var(--space-3) var(--space-1);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: var(--font-base);
    font-weight: var(--font-weight-medium);
    transition: color 0.15s;
    text-align: center;
}
.tab-btn::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40%;
    height: var(--border-width-thick);
    background: transparent;
    border-radius: var(--radius-pill);
    transition: background 0.15s;
}
.tab-btn.active {
    color: var(--accent-primary);
}
.tab-btn.active::after {
    background: var(--accent-primary);
}
.tab-btn small {
    font-size: 0.75em;
    opacity: 0.6;
}
.tab-section {
    display: none;
}
.tab-section.active {
    display: block;
}
.card-add-new {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-6);
    border: 2px dashed var(--border-color);
    border-radius: var(--space-4) var(--space-4) var(--space-4) 0;
    color: var(--text-muted);
    text-decoration: none;
    transition: border-color 0.15s, color 0.15s;
    cursor: pointer;
    height: 100%;
}
.card-add-new:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}
.card-add-new-icon { font-size: var(--font-2xl); line-height: 1; }
.card-add-new-label { font-size: var(--font-sm); }

/* Toolbar */
.section-toolbar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-2);
    margin-top: var(--space-4);
    margin-bottom: var(--space-3);
}
.section-toolbar .sort-dropdown {
    margin-bottom: 0;
}

.search-form {
    flex: 1;
    min-width: 0;
    background: none;
    margin: 0;
    padding: 0;
}
.search-input-wrapper {
    position: relative;
}
.search-input {
    width: 100%;
    height: var(--btn-icon-size);
    padding: 0 var(--space-3);
    padding-right: calc(var(--space-3) + 1.5em);
    background: white !important;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-pill);
    font-size: var(--font-sm);
    color: var(--text-black) !important;
}
.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}
.search-input::placeholder {
    color: var(--text-muted);
}
.search-clear {
    display: none;
    position: absolute;
    right: var(--space-2);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
    color: var(--text-muted);
    padding: 0 var(--space-1);
}
.search-clear:hover {
    color: var(--text-black);
}
.search-input-wrapper.has-value .search-clear {
    display: block;
}

/* Filter dropdown */
.filter-dropdown {
    position: relative;
}
.btn-filter-toggle {
    border-radius: var(--space-2);
    background-color: var(--bg-secondary);
}
.btn-filter-toggle.open,
.btn-filter-toggle.has-filters {
    color: var(--accent-primary);
}
.filter-panel {
    display: none;
    flex-direction: column;
    gap: var(--space-2);
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    z-index: 200;
    min-width: 200px;
    padding: var(--space-3);
    background: var(--card-bg);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-3);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}
.filter-panel.open {
    display: flex;
}
.filter-panel select {
    width: 100%;
    padding: var(--btn-sm-padding-y) 2rem var(--btn-sm-padding-y) var(--space-3);
    background: var(--bg-secondary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-pill);
    color: var(--text-secondary);
    font-size: var(--font-xs);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23a89f91'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.65rem center;
    background-size: 8px 5px;
    transition: border-color 0.15s, background-color 0.15s, color 0.15s;
}
.filter-panel select:focus {
    outline: none;
    border-color: var(--accent-primary);
}
.filter-panel select.filter-active {
    border-color: var(--accent-primary);
    background-color: rgba(255, 107, 53, 0.12);
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
}
.btn-filter-reset {
    align-self: flex-end;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-pill);
    font-size: var(--font-xs);
    background: transparent;
    border: var(--border-width) solid var(--border-color);
    color: var(--text-muted);
    text-decoration: none;
    transition: border-color 0.15s, color 0.15s;
    line-height: 1;
}
.btn-filter-reset:hover {
    border-color: var(--accent-danger);
    color: var(--accent-danger);
}
/* #endregion */

/* #region 6 — DETAIL */
.song-header h1{
    color: var(--accent-primary);
    line-height: var(--line-height-very-tight);
}

.song-header h2{
    font-size: var(--font-base);
}

.song-header {
    position: relative;
    padding: var(--space-4);
    border: var(--border-width) solid var(--border-color);
    border-left: 4px solid var(--accent-primary);
}

.song-header.status-to_learn { border-left-color: var(--status-to-learn); }
.song-header.status-learning  { border-left-color: var(--status-learning); }
.song-header.status-mastered  { border-left-color: var(--status-mastered); }

.song-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.meta-item {
    display: flex;
    justify-content: center;
    flex-wrap: nowrap;
    align-items: center;
    padding: var(--space-2);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-1);
}

.meta-item span{
    font-size: var(--font-xs);
}

/* Accordéon sections détail */
.btn-toggle-accordions {
    font-size: var(--font-sm);
    padding: var(--btn-sm-padding-y) var(--btn-sm-padding-x);
    background: none;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-1);
    color: var(--text-secondary);
    cursor: pointer;
    margin-left: auto;
}

.detail-accordion > summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    border-radius: var(--space-1);
    user-select: none;
    background-color: var(--bg-secondary);
}

.detail-accordion > summary::before {
    content: '▶';
    font-size: 0.7em;
    transition: transform 0.2s;
    flex-shrink: 0;
}

.detail-accordion[open] > summary::before {
    transform: rotate(90deg);
}

.detail-accordion[open] > summary {
    border-radius: var(--radius-1) var(--radius-1) 0 0;
}

.detail-accordion > summary h3 {
    margin: 0;
    flex: 1;
    color: var(--accent-primary);
}

.detail-accordion {
    background-color: var(--bg-secondary);
}

.detail-accordion .song-notes,
.detail-accordion .song-tab {
    border-radius: 0 0 var(--radius-1) var(--radius-1);
}

.song-accords h3,
.song-rythmiques h3,
.song-notes h3,
.song-tab h3,
.song-files h3,
.song-links h3 {
    margin-bottom: var(--space-4);
    color: var(--accent-primary);
}

/* Accords & rythmiques */
.accords-list,
.rythmiques-list,
.files-list,
.links-list {
    list-style: none;
}

.accords-list,
.rythmiques-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.link-date { display: none; }



.accord-item,
.rythmique-item,
.link-item {
    padding: var(--space-3);
    border-radius: var(--radius-1);
}

.accord-suite,
.rythmique-pattern {
    font-family: monospace;
    white-space: pre-wrap;
    margin: var(--space-2) 0;
}

/* Chord diagrams */
.chord-diagrams { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.chord-diagram { text-align: center; min-width: 80px; }
.chord-diagram-name { font-weight: var(--font-weight-semibold); margin-bottom: var(--space-1); }
.chord-no-diagram {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    padding: 8px 0;
    opacity: 0.6;
}

/* Chord position navigation (detail pages) */
.chord-pos-nav { display: flex; align-items: center; gap: 0.25rem; margin-top: 2px; justify-content: center; }
.chord-pos-nav button {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-base);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: var(--font-xs);
    padding: 0 4px;
    line-height: 1.4;
}
.chord-pos-nav button:hover { background: var(--bg-secondary); }
.chord-pos-counter { font-size: var(--font-xs); color: var(--text-secondary); min-width: 2rem; text-align: center; }

/* Tablatures */
.song-notes,
.song-tab {
    background: var(--bg-secondary);
    border-radius: var(--radius-1);
    padding: var(--space-3);
}

.song-tab pre {
    white-space: pre;
    overflow-x: auto;
    max-width: 100%;
    text-align: left;
}

.btn-fullscreen-tab {
    font-size: var(--font-sm);
    padding: var(--btn-sm-padding-y) var(--btn-sm-padding-x);
    background: none;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-1);
    color: var(--text-secondary);
    cursor: pointer;
    vertical-align: middle;
    margin-left: var(--space-2);
}

/* Fichiers */
.file-preview {
    cursor: pointer;
}

.preview-image {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-1);
    cursor: pointer;
}

/* Actions (icônes dans le header) */
.song-actions {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    display: flex;
    gap: var(--space-2);
}

.song-actions .btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-1);
    color: var(--text-muted);
    transition: color 0.15s, background 0.15s;
}

.song-actions .btn-icon:hover {
    color: var(--accent);
    background: var(--bg-tertiary);
}

.song-actions .btn-icon-danger:hover {
    color: var(--danger);
}

/* Métronome widget */
.metronome-widget {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--space-2);
    margin-bottom: var(--space-5);
}

.metronome-widget #bpm-input {
    width: 56px;
    text-align: center;
    padding: var(--space-1) var(--space-2);
}

.bpm-label {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.btn-bpm {
    padding: var(--btn-sm-padding-y) var(--btn-sm-padding-x);
    background: var(--bg-tertiary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-1);
    color: var(--text-primary);
    cursor: pointer;
    font-size: var(--font-sm);
}
.btn-bpm:hover { background: var(--card-hover); }

.btn-metronome {
    padding: var(--btn-sm-padding-y) var(--btn-sm-padding-x);
    background: var(--bg-tertiary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-1);
    color: var(--text-primary);
    cursor: pointer;
    font-size: var(--font-sm);
}
.btn-metronome:hover { background: var(--card-hover); }

@keyframes beat-flash-accent {
    0%   { box-shadow: inset 0 0 0 8px var(--accent-danger); transform: scale(1.05); }
    100% { box-shadow: inset 0 0 0 0px var(--accent-danger); transform: scale(1); }
}
@keyframes beat-flash-normal {
    0%   { box-shadow: inset 0 0 0 8px var(--accent-primary); transform: scale(1.05); }
    100% { box-shadow: inset 0 0 0 0px var(--accent-primary); transform: scale(1); }
}
.metronome-indicator {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    border: var(--border-width) solid var(--border-color);
    margin-left: var(--space-1);
    flex-shrink: 0;
    transition: none !important;
}
.metronome-indicator.beat-accent {
    animation: beat-flash-accent 0.25s ease-out;
}
.metronome-indicator.beat-normal {
    animation: beat-flash-normal 0.25s ease-out;
}

/* Panneau Métronome (fixed bottom-left) */
.metronome-panel-fixed {
    position: fixed;
    bottom: var(--space-6);
    left: var(--space-4);
    z-index: 10000;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
}
.metronome-toggle {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    width: var(--btn-icon-size);
    height: var(--btn-icon-size);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    font-size: var(--btn-icon-font);
    border: var(--border-width) solid var(--border-color);
    user-select: none;
}
.metronome-toggle:hover { background: var(--card-hover); }
.metronome-panel-content {
    background: var(--bg-secondary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--space-2);
    padding: var(--space-3);
    width: max-content;
    box-shadow: var(--shadow-lg);
    position: relative;
    margin-bottom: var(--space-2);
}
.metronome-panel-content.hidden { display: none; }
.metronome-panel-content .metronome-widget {
    margin-bottom: 0;
    border: none;
    padding: 0;
    background: transparent;
    gap: var(--space-1);
}
.metronome-panel-content .btn-bpm,
.metronome-panel-content .btn-metronome {
    min-width: 40px;
    min-height: 40px;
    padding: var(--space-1);
    font-size: var(--font-sm);
}
.metronome-panel-content #bpm-input {
    width: 48px;
    min-height: 40px;
    -moz-appearance: textfield;
    appearance: textfield;
}
.metronome-panel-content #bpm-input::-webkit-inner-spin-button,
.metronome-panel-content #bpm-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.metronome-close {
    position: absolute;
    top: -10px;
    right: -10px;
    width: var(--btn-icon-size-sm);
    height: var(--btn-icon-size-sm);
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: var(--border-width) solid var(--border-color);
    color: var(--text-secondary);
    font-size: var(--btn-icon-font-sm);
    cursor: pointer;
    padding: 0;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.metronome-close:hover { background: var(--accent-danger); color: white; border-color: var(--accent-danger); }
.metronome-close.hidden { display: none; }
/* #endregion */

/* #region 7 — FORMULAIRES */
.form-container {
    width: 100%;
    margin: auto;
}

.form-style {
    margin-top: var(--space-4);
    padding: var(--space-4);
}

.form-group {
    margin-bottom: var(--space-4);
}
.form-group:last-child {
    margin-bottom: 0;
}

.form-row {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}
.form-row > .form-group {
    flex: 1;
    margin-bottom: 0;
}

.errors {
    color: var(--accent-danger);
    margin-bottom: var(--space-4);
}

.warning-box {
    background: var(--bg-secondary);
    padding: var(--space-4);
    border-left: 4px solid var(--accent-danger);
    border-radius: var(--radius-1);
    margin-bottom: var(--space-4);
}

.form-section {
    margin-bottom: var(--space-4);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-base);
}

.form-section-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    font-weight: var(--font-weight-semibold);
    color: var(--accent-primary);
    cursor: pointer;
    user-select: none;
    list-style: none;
    border-radius: var(--radius-base);
}

.form-section-header::-webkit-details-marker { display: none; }

.form-section-header::before {
    content: '▶';
    font-size: 0.7em;
    transition: transform 0.2s;
}

.form-section-header::after {
    content: none;
}

.form-section[open] > .form-section-header {
    border-radius: var(--radius-base) var(--radius-base) 0 0;
}

.form-section[open] > .form-section-header::before {
    transform: rotate(90deg);
}

.form-section-body {
    padding: var(--space-4);
}

.section-fieldset {
    border: none;
    border-radius: var(--radius-1);
    background-color: var(--bg-secondary);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
    position: relative;
}
.section-fieldset > legend {
    font-weight: var(--font-weight-semibold);
    padding: 0 var(--space-1);
    color: var(--accent-primary);
}
.btn-remove-section {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--accent-danger);
}

.form-actions {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.wrapper-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

label {
    display: block;
    margin-bottom: var(--space-1);
    font-weight: var(--font-weight-medium);
}

.help-text {
    font-size: var(--font-xs);
    color: var(--text-muted);
    margin-top: var(--space-1);
    display: block;
}

.helptext {
    display: block;
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-top: var(--space-1);
}

.file-upload-item,
.link-input-item,
.rythmique-input-item,
.accord-input-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

/* Accord builder tabs */
.ab-tabs { display: flex; border-bottom: 2px solid var(--border-color); margin-bottom: .75rem; }
.ab-tab { padding: .5rem .75rem; background: none; border: none; border-bottom: 2px solid transparent; margin-bottom: -2px; cursor: pointer; color: var(--text-secondary); font-size: var(--font-sm); }
.ab-tab.active { color: var(--text-primary); border-bottom-color: var(--accent-primary); font-weight: 600; }
.ab-panel { display: none; }
.ab-panel.active { display: block; }
.ab-tonality-row { display: flex; align-items: flex-end; gap: .5rem; flex-wrap: wrap; margin-bottom: .5rem; }
.ab-tonality-row select { width: auto; min-width: 80px; }
.ab-output { margin-top: var(--space-3); }
.ab-output-title { font-size: var(--font-sm); font-weight: 600; color: var(--text-secondary); margin-bottom: var(--space-2); }
.ab-apply-btn { margin-top: var(--space-2); }
.chord-diagram[draggable="true"] { cursor: grab; }
.chord-diagram.dragging { opacity: 0.4; }

/* Chord builder */
.chord-builder { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.chord-builder select { width: auto; min-width: 80px; }
.chord-chips { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-2); }
.chord-chip {
    display: inline-flex; align-items: center; gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    background: var(--bg-tertiary); border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-pill); font-size: var(--font-sm);
}
.chord-chip-remove { cursor: pointer; opacity: 0.6; border: none; background: none; color: inherit; font-size: var(--font-base); line-height: 1; }
.chord-chip-remove:hover { opacity: 1; }
.chord-preview { margin-top: var(--space-2); }
.chord-preview-inner { display: inline-flex; flex-direction: column; align-items: center; padding: var(--space-2); border-radius: var(--radius-base); cursor: pointer; }
.chord-preview-name { font-weight: var(--font-weight-semibold); font-size: var(--font-sm); margin-bottom: var(--space-1); }
.chord-preview-nav { display: flex; align-items: center; gap: var(--space-2); margin-top: var(--space-1); }
.chord-preview-counter { font-size: var(--font-xs); color: var(--text-secondary); min-width: 2.5rem; text-align: center; }
.chord-preview-empty { font-size: var(--font-xs); color: var(--text-secondary); font-style: italic; }
.chord-preview-placeholder {
    display: flex; align-items: center; justify-content: center;
    min-height: 120px; min-width: 92px;
    color: var(--text-secondary); font-size: var(--font-sm); font-style: italic;
}

/* Erreurs Django */
.errorlist {
    list-style: none;
    padding: 0;
    margin: var(--space-2) 0;
    color: var(--accent-danger);
    font-size: var(--font-sm);
}

.error input,
.error textarea,
.error select {
    border-color: var(--accent-danger);
}
/* Image manager (multi-upload + drag-and-drop) */
.image-manager { display: flex; flex-direction: column; gap: var(--space-2); }
.img-card-list { display: flex; flex-direction: column; gap: var(--space-2); }
.img-card {
    display: flex; align-items: center; gap: var(--space-3);
    background: var(--bg-secondary); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); padding: var(--space-2);
}
.img-card-dragging { opacity: 0.4; }
.img-card-thumb { width: 60px; height: 60px; object-fit: cover; border-radius: 4px; flex-shrink: 0; }
.img-card-info { flex: 1; display: flex; flex-direction: column; gap: var(--space-1); min-width: 0; }
.img-card-name { font-size: var(--font-sm); color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.img-card-desc { font-size: var(--font-sm); padding: var(--space-1) var(--space-2); border: 1px solid var(--border-color); border-radius: var(--radius-sm); background: var(--bg-primary); color: var(--text-primary); }
.img-card-drag { cursor: grab; color: var(--text-muted); user-select: none; font-size: 1.2rem; }
.img-card-remove { background: none; border: none; color: var(--accent-danger); cursor: pointer; font-size: 1.1rem; padding: var(--space-1); }
.img-card-add {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--bg-tertiary);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-2);
    cursor: pointer;
    color: var(--text-muted);
    transition: border-color 0.2s, color 0.2s;
}
.img-card-add:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}
.img-card-add svg {
    width: 28px;
    height: 28px;
}
/* #endregion */

/* #region 8 — PLAYLIST */
.playlist-panel {
    position: fixed;
    bottom: var(--space-6);
    left: var(--space-4);
    z-index: 200;
    max-width: 320px;
    width: calc(100vw - 5rem);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    overflow: visible;
}

.playlist-toggle {
    background: var(--btn-primary-bg);
    color: white;
    padding: var(--space-3) var(--space-5);
    border-radius: var(--space-2);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    box-shadow: var(--shadow-lg);
    font-size: var(--font-base);
    user-select: none;
}
[data-content-type="songs"] .playlist-toggle { background: var(--accent-songs); }
[data-content-type="exercices"] .playlist-toggle { background: var(--accent-exercices); }
[data-content-type="compositions"] .playlist-toggle { background: var(--accent-compositions); }

.playlist-count {
    background: white;
    color: var(--btn-primary-bg);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-xs);
    font-weight: var(--font-weight-bold);
}
[data-content-type="songs"] .playlist-count { color: var(--accent-songs); }
[data-content-type="exercices"] .playlist-count { color: var(--accent-exercices); }
[data-content-type="compositions"] .playlist-count { color: var(--accent-compositions); }

.playlist-content.hidden { display: none; }
.playlist-content {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--space-2) var(--space-2) 0 0;
    padding: var(--space-4);
    width: 100%;
    box-shadow: 0 -4px 16px rgba(0,0,0,0.3);
    max-height: calc(100dvh - 7rem);
    overflow: hidden;
}
#playlist-items-list {
    order: 0;
    margin-bottom: var(--space-4);
    padding-bottom: 0;
    border-bottom: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    overflow-y: auto;
    flex-shrink: 1;
    min-height: 0;
}
#playlist-items-list.has-items { padding-bottom: var(--space-4); border-bottom: var(--border-width) solid var(--border-color); }
.playlist-random { order: 2; flex-shrink: 0; }
.playlist-actions { order: 3; flex-shrink: 0; }

.playlist-close {
    position: absolute;
    top: -10px;
    right: -10px;
    width: var(--btn-icon-size-sm);
    height: var(--btn-icon-size-sm);
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: var(--border-width) solid var(--border-color);
    color: var(--text-secondary);
    font-size: var(--btn-icon-font-sm);
    cursor: pointer;
    padding: 0;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.playlist-close:hover { background: var(--accent-danger); color: white; border-color: var(--accent-danger); }
.playlist-close.hidden { display: none; }

.playlist-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-sm);
}

.pli-titre { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: var(--font-base); color: var(--text-primary); }
.pli-pick { width: 10px; height: 12px; flex-shrink: 0; }
.playlist-item[data-type="song"] .pli-pick { color: var(--accent-songs); }
.playlist-item[data-type="exercice"] .pli-pick { color: var(--accent-exercices); }
.playlist-item[data-type="composition"] .pli-pick { color: var(--accent-compositions); }
.playlist-item[data-type="libre"] .pli-pick { color: var(--accent-utility); }
.playlist-item[data-type="rythme"] .pli-pick { color: var(--accent-utility); }

.pli-remove {
    width: var(--btn-icon-size-sm);
    height: var(--btn-icon-size-sm);
    border-radius: 50%;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: var(--btn-icon-font-sm);
    padding: 0;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s;
}
.pli-remove:hover { color: var(--accent-danger); }

.playlist-random {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding-bottom: var(--space-3);
}

.random-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.random-label {
    font-size: var(--font-base);
}

.random-stepper {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.stepper-btn {
    width: 1.75rem;
    height: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: var(--border-width) solid var(--border-color);
    border-radius: 50%;
    color: var(--accent-primary);
    font-size: var(--font-sm);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.stepper-btn:hover {
    background: var(--bg-hover);
    border-color: var(--text-secondary);
}
.stepper-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

.stepper-count {
    width: 1.5rem;
    text-align: center;
    font-size: var(--font-base);
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}


.playlist-saved-load {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    align-items: center;
    margin-bottom: var(--space-2);
}
.playlist-saved-load select {
    flex: 1;
    min-width: 0;
    padding: 4px 6px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text);
    font-size: 0.82rem;
}
.playlist-saved-load .btn-danger-sm {
    color: var(--danger, #ef4444);
    padding: 2px 6px;
}
.loaded-playlist-name {
    width: 100%;
    font-size: var(--font-xs);
    color: var(--text-muted);
    font-style: italic;
}
.loaded-playlist-name:empty { display: none; }
.playlist-save-section {
    display: flex;
    gap: var(--space-1);
    align-items: center;
    margin-top: var(--space-2);
}
.playlist-save-section input {
    flex: 1;
    min-width: 0;
    padding: 4px 6px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text);
    font-size: 0.82rem;
}
.playlist-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

@media (max-width: 768px) {
    .playlist-panel {
        left: 50%;
        transform: translateX(-50%);
        align-items: center;
    }
}
/* #endregion */

/* #region 9 — ENTRAÎNEMENT */
/* Training Bar */
.training-bar {
    position: sticky;
    top: 0;
    z-index: 300;
    background: var(--btn-primary-bg);
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.training-bar-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    align-items: baseline;
}

.training-bar-controls {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    gap: var(--space-4);
}

.wrapper-tb-title { display: flex; align-items: baseline; gap: var(--space-2); max-width: 100%; overflow: hidden; }
.tb-label { font-size: var(--font-2xs); opacity: 0.8; flex-shrink: 0; }
.tb-title { font-size: var(--font-sm); font-weight: var(--font-weight-semibold); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tb-next { font-size: var(--font-2xs); opacity: 0.6; font-style: italic; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }
.tb-title[style*="pointer"]:hover { text-decoration: underline; }

.training-bar-timer {
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}

.training-bar-actions { display: flex; gap: var(--space-2); flex-shrink: 0; }

.tb-btn {
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.4);
    color: white;
    border-radius: 50%;
    width: var(--btn-icon-size-sm);
    height: var(--btn-icon-size-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    cursor: pointer;
    font-size: var(--font-sm);
}
.tb-btn:hover { background: rgba(255,255,255,0.3); }
.tb-btn-end { background: rgba(220,50,50,0.5); border-color: rgba(220,50,50,0.8); }
.tb-btn-end:hover { background: rgba(220,50,50,0.7); }

/* Mini timer flottant (visible par-dessus la tab-modal) */
.training-floating-timer {
    display: none;
    position: fixed;
    top: 3.5rem;
    right: var(--space-3);
    z-index: 10001;
    background: var(--btn-primary-bg);
    color: white;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-pill);
    font-weight: var(--font-weight-bold);
    font-size: 0.9rem;
    gap: var(--space-2);
    align-items: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
#tft-play-pause {
    background: transparent;
    border: none;
    color: white;
    font-size: 1rem;
    cursor: pointer;
    padding: 0 var(--space-1);
    line-height: 1;
}
.training-floating-timer.visible {
    display: flex;
}
#tft-label {
    font-weight: var(--font-weight-normal);
    font-size: var(--font-xs);
    opacity: 0.85;
}

/* Overlay de fin de session */
.session-end-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 500;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.session-end-content {
    background: var(--bg-secondary);
    border-radius: var(--space-2);
    padding: var(--space-5);
    max-width: 400px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.session-end-content h3 { margin-bottom: 0; }

.session-end-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* Progression par item dans l'overlay de fin de session */
.session-progression-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin: var(--space-3) 0;
    max-height: 260px;
    overflow-y: auto;
    padding-right: var(--space-1);
}
.session-prog-item {
    background: var(--card-bg);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-2);
    padding: var(--space-3) var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    transition: border-color 0.15s;
}
.session-prog-item:hover {
    border-color: var(--accent-primary);
}
.session-prog-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}
.session-prog-item-header label {
    flex: 1;
    font-size: var(--font-sm);
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}
.session-prog-item-header label span { overflow: hidden; text-overflow: ellipsis; }
.session-prog-pick { width: 10px; height: 12px; flex-shrink: 0; }
.pick-song { color: var(--accent-songs); }
.pick-exercice { color: var(--accent-exercices); }
.pick-composition { color: var(--accent-compositions); }
.pick-libre { color: var(--accent-utility); }
.pick-rythme { color: var(--accent-utility); }
.session-prog-value {
    font-size: var(--font-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--accent-primary);
    min-width: 2.5rem;
    text-align: right;
}
.session-prog-controls {
    position: relative;
    width: 100%;
    height: 6px;
}
.session-prog-track {
    position: absolute;
    inset: 0;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}
.session-prog-fill {
    height: 100%;
    background: var(--accent-primary);
    border-radius: 3px;
    transition: width 0.2s ease;
}
.session-prog-controls input[type="range"] {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    opacity: 0;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
}
/* Agrandir la zone de hit du slider invisible */
.session-prog-controls input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
}
.session-prog-controls input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: transparent;
    border: none;
    cursor: pointer;
}

.session-end-snapshots { margin-top: var(--space-2); }
.session-end-chords { display: flex; flex-wrap: wrap; gap: var(--space-1); }
.chord-diagram-sm { transform: scale(0.7); transform-origin: top left; }
.session-end-rhythm { margin-top: var(--space-1); transform: scale(0.5); transform-origin: top left; }
.session-end-rhythm .rhythm-editor-timeline { font-size: var(--font-xs); }

/* Page entraînement */
.entrainement-items { display: flex; flex-direction: column; gap: var(--space-2); margin: var(--space-6) 0; }

.entrainement-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--space-2);
    padding: var(--space-3) var(--space-4);
    cursor: default;
}

.ei-drag {
    color: var(--text-muted);
    cursor: grab;
    font-size: 1.1rem;
    flex-shrink: 0;
    user-select: none;
    padding: 0 var(--space-1);
}
.ei-drag:active { cursor: grabbing; }
.ei-dragging { opacity: 0.4; }

.ei-info { display: flex; align-items: center; gap: var(--space-2); flex: 1; min-width: 0; }
.ei-titre { font-weight: var(--font-weight-medium); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-primary); }
.ei-pick { width: 10px; height: 12px; flex-shrink: 0; }
.ei-song .ei-pick { color: var(--accent-songs); }
.ei-exercice .ei-pick { color: var(--accent-exercices); }
.ei-composition .ei-pick { color: var(--accent-compositions); }
.ei-libre .ei-pick { color: var(--accent-utility); }
.ei-rythme .ei-pick { color: var(--accent-utility); }
.ei-duree { display: flex; align-items: center; gap: var(--space-1); flex-shrink: 0; font-size: var(--font-sm); }
.ei-duree-input { width: 3.5rem !important; text-align: center; padding: var(--space-1); }

.entrainement-total {
    background: var(--bg-secondary);
    border-radius: var(--space-2);
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.entrainement-repartir { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
/* #endregion */

/* #region 10 — STATS & SESSIONS */
.stats-section h1 { margin-bottom: var(--space-6); }

.stats-categories { display: flex; flex-direction: column; gap: var(--space-6); }

.stats-category {
    background: var(--bg-secondary);
    border-radius: var(--space-2);
    padding: var(--space-5) var(--space-6);
}
.stats-category h2 { margin-bottom: var(--space-4); font-size: var(--font-lg); }

.stats-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    background: var(--bg-tertiary);
    border-radius: var(--space-2);
    padding: var(--space-3) var(--space-5);
    min-width: 80px;
    border-top: 3px solid var(--border-color);
}
.stat-card.stat-mastered { border-top-color: var(--status-mastered); }
.stat-card.stat-learning  { border-top-color: var(--status-learning); }
.stat-card.stat-tolearn   { border-top-color: var(--status-to-learn); }

.stat-number { font-size: var(--font-2xl); font-weight: var(--font-weight-bold); line-height: 1; }
.stat-label  { font-size: var(--font-xs); color: var(--text-muted); }

.stats-breakdown {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-3);
}
.stats-breakdown-label { font-size: var(--font-sm); color: var(--text-muted); }
.stats-breakdown--vertical {
    flex-direction: column;
    align-items: flex-start;
}

/* Historique sessions */
.stats-history { margin-top: calc(var(--space-8) + var(--space-2)); }
.stats-history h2 { margin-bottom: var(--space-4); }

.session-card {
    background: var(--bg-secondary);
    border-radius: var(--space-2);
    padding: var(--space-4);
    margin-bottom: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.session-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    flex-wrap: wrap;
}
.btn-edit-session { margin-left: auto; opacity: 0.4; transition: opacity 0.15s; }
.btn-edit-session:hover { opacity: 1; color: var(--accent-primary); }

.session-card-items { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.session-item-entry { width: 100%; }
.session-item-title { display: inline-flex; align-items: center; gap: var(--space-1); font-size: var(--font-base); color: var(--text-primary); }
.session-pick { width: 10px; height: 12px; flex-shrink: 0; }
.session-item-title[data-type="song"] .session-pick { color: var(--accent-songs); }
.session-item-title[data-type="exercice"] .session-pick { color: var(--accent-exercices); }
.session-item-title[data-type="composition"] .session-pick { color: var(--accent-compositions); }
.session-item-title[data-type="libre"] .session-pick { color: var(--accent-utility); }
.session-item-title[data-type="rythme"] .session-pick { color: var(--accent-utility); }
.session-snapshot { font-size: var(--font-xs); margin: 0.15rem 0 0 0; color: var(--text-muted); opacity: 0.85; font-family: monospace; }
.session-accords-snapshot[data-chords] { display: none; }
.session-rythmique-snapshot { letter-spacing: 0.15em; }

.session-comment {
    font-size: var(--font-base);
    color: var(--text-secondary);
    font-style: italic;
    margin: 0;
}

/* Accordéon mois historique */
.history-month {
    margin-bottom: var(--space-2);
}
.history-month > summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--space-2);
    font-weight: var(--font-weight-semibold);
    user-select: none;
}
.history-month > summary::before {
    content: '▶';
    font-size: 0.7em;
    transition: transform 0.2s;
}
.history-month[open] > summary::before {
    transform: rotate(90deg);
}
.history-month[open] > summary {
    border-radius: var(--space-2) var(--space-2) 0 0;
}
.history-month-content {
    padding: var(--space-2) 0 var(--space-1);
}
/* #endregion */

/* #region 11 — SUPPRESSION */
.delete-confirm {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-6);
}

.delete-confirm h1 {
    margin-bottom: var(--space-6);
    color: var(--accent-danger);
}

.delete-item-info {
    background: var(--bg-secondary);
    padding: var(--space-4);
    margin-bottom: var(--space-6);
}
/* #endregion */

/* #region 12 — OVERLAYS & MODALES */
/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.92);
    justify-content: center;
    align-items: center;
}
[data-theme="light"] .lightbox {
    background-color: rgba(255, 255, 255, 0.95);
}

.lightbox-content {
    width: 100vw;
    height: 100vh;
    max-width: 100vw;
    max-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 3rem;
    box-sizing: border-box;
}

.lightbox-content img {
    max-width: 100%;
    max-height: calc(100vh - 5rem);
    height: auto;
    object-fit: contain;
}

#lightbox-caption {
    display: none;
}

.lightbox-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    color: white;
    font-size: var(--btn-icon-font);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.5);
    width: var(--btn-icon-size);
    height: var(--btn-icon-size);
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    line-height: 1;
}

.lightbox-close:hover {
    background: rgba(0, 0, 0, 0.8);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    font-size: 24px;
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    z-index: 10000;
}

.lightbox-nav:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

.lightbox-prev {
    left: var(--space-4);
}

.lightbox-next {
    right: var(--space-4);
}

.lightbox-counter {
    position: absolute;
    bottom: var(--space-3);
    right: var(--space-4);
    color: rgba(255, 255, 255, 0.5);
    font-size: 11px;
}

/* Tab modal */
.tab-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    justify-content: center;
    align-items: center;
}

.tab-modal.open {
    display: flex;
}

.tab-modal-inner {
    background: var(--card-bg);
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

.tab-modal-body {
    flex: 1;
    overflow-y: auto;
    overflow-x: auto;
    padding: var(--space-3);
    line-height: 1.7;
}

.tab-modal-pre-wrapper {
    display: flex;
    justify-content: center;
    min-height: 100%;
}

.tab-modal-body pre {
    font-size: var(--font-xl);
    text-align: left;
    margin: 0;
}

.tab-modal-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    border-top: var(--border-width) solid var(--border-color);
    flex-shrink: 0;
}

.tab-modal-controls .btn-scroll {
    width: var(--btn-icon-size);
    height: var(--btn-icon-size);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-size: var(--btn-icon-font);
    background: var(--bg-secondary);
    border: var(--border-width) solid var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-primary);
}

.tab-modal-close {
    margin-left: var(--space-3);
}

/* Loader */
.loader-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.loader-content {
    text-align: center;
    color: white;
}

.spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-4);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Practice panel */
/* #endregion */

/* #region 13 — GÉNÉRATEUR DE RYTHME */
.rhythm-generator-panel {
    margin-top: var(--space-2);
    padding: var(--space-3);
    background: var(--bg-secondary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-2);
}
.rhythm-note-toggles {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}
.rhythm-toggle {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-pill);
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    transition: border-color .15s, color .15s, background .15s;
}
.rhythm-toggle:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
}
.rhythm-toggle.active {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(255, 107, 53, 0.08); /* fallback for color-mix */
    background: color-mix(in srgb, var(--accent-primary) 8%, var(--bg-primary));
}
.rhythm-result {
    margin-top: var(--space-3);
}
.rhythm-audio-controls {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-tertiary);
    border-radius: var(--radius-2);
}

.rhythm-bpm-display {
    font-size: var(--font-sm);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    width: 3.5ch !important;
    max-width: 3.5ch;
    min-width: 0;
    flex: 0 0 auto;
    box-sizing: content-box;
    text-align: center;
    background: none;
    border: none;
    padding: 0;
    font-family: inherit;
    -moz-appearance: textfield;
    -webkit-appearance: textfield;
}
.rhythm-bpm-display::-webkit-inner-spin-button,
.rhythm-bpm-display::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.rhythm-bpm-display:focus {
    outline: none;
}
.rhythm-bpm-suffix {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-right: var(--space-1);
}

/* Rhythm generator toggle buttons (metronome / loop) */
.rg-toggle-metronome.active,
.rg-toggle-loop.active {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    background: rgba(255, 107, 53, 0.12);
    background: color-mix(in srgb, var(--accent-primary) 12%, var(--bg-primary));
}

/* Playback highlight on timeline notes */
.rhythm-editor-note.playing {
    animation: rhythm-pulse .15s ease-out;
    box-shadow: 0 0 8px 2px rgba(255, 255, 255, 0.5);
    filter: brightness(1.4);
}
@keyframes rhythm-pulse {
    0%   { filter: brightness(1); }
    40%  { filter: brightness(1.6); }
    100% { filter: brightness(1.4); }
}

.rhythm-result-actions {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

/* — Editor toolbar — */
.rhythm-editor-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}
.rhythm-editor-palette {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}
.rhythm-editor-actions {
    display: flex;
    gap: var(--space-2);
    flex-shrink: 0;
}
.rhythm-editor-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-2);
    font-size: 1.3rem;
    font-weight: 500;
    color: #fff;
    cursor: grab;
    user-select: none;
    transition: opacity .15s, transform .15s;
}
.rhythm-editor-chip:active { cursor: grabbing; }
.rhythm-editor-chip:not(.active) {
    opacity: 0.4;
    filter: saturate(0.3);
}
.rhythm-editor-chip[data-note="noire"]   { background: #307D91; }
.rhythm-editor-chip[data-note="croche"]  { background: #4ade80; color: #1a1a2e; }
.rhythm-editor-chip[data-note="double"]  { background: #fb923c; color: #1a1a2e; }
.rhythm-editor-chip[data-note="silence"] { background: #555; }
.rhythm-editor-chip[data-note="ghost"]   { background: #a855f7; }

/* — Beat labels — */
.rhythm-editor-beat-labels {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    gap: 2px;
    margin-bottom: .2rem;
    padding: 0 2px;
}
.rhythm-editor-beat-labels span {
    grid-column: span 4;
    text-align: center;
    font-size: var(--font-xs);
    color: var(--text-secondary);
    font-weight: 600;
}

/* — Timeline grid — */
.rhythm-editor-timeline {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    gap: 2px;
    min-height: 3rem;
    padding: 2px;
    background: var(--bg-tertiary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-2);
}
.rhythm-editor-slot {
    min-height: 2.8rem;
    border: 1px dashed var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-xs);
    color: var(--text-secondary);
    transition: background .15s, border-color .15s;
    position: relative;
}
.rhythm-editor-slot.drop-target {
    border-color: var(--accent-primary);
    background: rgba(255, 107, 53, 0.15);
}
.rhythm-editor-slot.invalid-drop {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

/* Beat numbers inside first cell of each beat */
.rhythm-editor-slot[data-beat]::before,
.rhythm-editor-note[data-beat]::before {
    content: attr(data-beat);
    position: absolute;
    top: 2px;
    left: 4px;
    font-size: 0.65rem;
    font-weight: 600;
    opacity: 0.35;
    line-height: 1;
    pointer-events: none;
    color: rgba(255, 255, 255, 0.8);
}

/* Beat separators — now handled by in-cell beat numbers */

/* Filled note in timeline */
.rhythm-editor-note {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 2.8rem;
    border-radius: 4px;
    color: #fff;
    font-weight: 600;
    font-size: .85rem;
    cursor: grab;
    position: relative;
    user-select: none;
    transition: opacity .15s;
}
.rhythm-editor-note:active { cursor: grabbing; }
.rhythm-editor-note .note-remove {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #ef4444;
    color: #fff;
    border: none;
    font-size: 11px;
    line-height: 18px;
    text-align: center;
    cursor: pointer;
    display: none;
    z-index: 2;
    padding: 0;
}
.rhythm-editor-note:hover .note-remove,
.rhythm-editor-note:focus-within .note-remove {
    display: block;
}
.rhythm-editor-note[data-note="noire"]   { background: #307D91; }
.rhythm-editor-note[data-note="croche"]  { background: #4ade80; color: #1a1a2e; }
.rhythm-editor-note[data-note="double"]  { background: #fb923c; color: #1a1a2e; }
.rhythm-editor-note[data-note="silence"] { background: #555; }
.rhythm-editor-note[data-note="ghost"]   { background: #a855f7; }

/* — Status bar — */
.rhythm-editor-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--space-2);
    font-size: var(--font-sm);
    color: var(--text-secondary);
}
.rhythm-editor-counter.complete { color: #4ade80; font-weight: 600; }

/* — Touch drag clone — */
.rhythm-drag-clone {
    position: fixed;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.85;
    transform: scale(1.1);
    border-radius: var(--radius-2);
    padding: .35rem .65rem;
    color: #fff;
    font-size: var(--font-sm);
    font-weight: 500;
    white-space: nowrap;
}

/* — Responsive — */
@media (max-width: 600px) {
    .rhythm-editor-timeline {
        grid-template-columns: repeat(8, 1fr);
    }
    .rhythm-editor-beat-labels {
        grid-template-columns: repeat(8, 1fr);
    }
    .rhythm-editor-beat-labels span {
        grid-column: span 4;
    }
    .rhythm-editor-toolbar { flex-wrap: wrap; }
    .rhythm-editor-palette { gap: .3rem; }
    .rhythm-editor-chip {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }
    .rhythm-editor-slot,
    .rhythm-editor-note {
        min-height: 2.2rem;
        font-size: .7rem;
    }
}

.rhythm-editor-chip.selected-brush {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}
/* — Read-only player — */
.rhythm-player-wrapper {
    margin: var(--space-2) 0;
}
.rhythm-player-wrapper .rhythm-audio-controls {
    margin-top: var(--space-2);
}
.rhythm-readonly-timeline .rhythm-editor-note {
    cursor: default;
}
.rhythm-readonly-timeline .rhythm-editor-slot {
    cursor: default;
    border-style: solid;
    opacity: 0.4;
}

/* — Song form rhythm entries — */
.rythmique-entry {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-2);
    background: var(--bg-secondary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-2);
    margin-bottom: var(--space-2);
}
.rythmique-entry input[type="text"] {
    flex: 1;
    min-width: 150px;
}
.rythmique-entry-preview {
    width: 100%;
}
.rythmique-entry-preview .rhythm-editor-timeline {
    min-height: 2rem;
}
.rythmique-entry-preview .rhythm-editor-note {
    min-height: 1.8rem;
    font-size: var(--font-xs);
    cursor: default;
}
.rythmique-entry-preview .rhythm-editor-slot {
    min-height: 1.8rem;
    cursor: default;
    border-style: solid;
    opacity: 0.4;
}
.rythmique-entry-preview .rhythm-editor-beat-labels {
    margin-bottom: .1rem;
}
.rythmique-entry-actions {
    display: flex;
    gap: var(--space-2);
    align-items: center;
}
.rythmique-entry-editing {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent-primary) 25%, transparent);
}

/* #endregion */

/* #region 14 — PAGINATION & NAVIGATION */
.scroll-sentinel {
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: var(--space-2);
}
.scroll-sentinel.sentinel-loading::after {
    content: '';
    width: 1.2rem;
    height: 1.2rem;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: sentinel-spin 0.7s linear infinite;
}
@keyframes sentinel-spin {
    to { transform: rotate(360deg); }
}

.pagination-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-3);
    font-size: var(--font-sm);
}
.pagination-controls a {
    padding: var(--btn-sm-padding-y) var(--btn-sm-padding-x);
    background: var(--bg-secondary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--space-2);
    color: var(--text-primary);
    text-decoration: none;
}
.pagination-controls a:hover { background: var(--bg-tertiary); }

#back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-6);
    z-index: 500;
    width: var(--btn-icon-size);
    height: var(--btn-icon-size);
    border-radius: 50%;
    border: var(--border-width) solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-secondary);
    font-size: var(--btn-icon-font);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.2s, visibility 0.2s, transform 0.2s, color 0.15s, border-color 0.15s;
}
#back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
#back-to-top:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}
/* #endregion */

/* #region — Guitar Pro link & modal */
.btn-gp-open {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    width: 80px;
    height: 80px;
    background: var(--bg-tertiary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-2);
    color: var(--text-muted);
    text-decoration: none;
    cursor: pointer;
}


.btn-gp-icon {
    width: 28px;
    height: 28px;
}

.btn-gp-label {
    font-size: var(--font-xs);
    line-height: 1;
}

.btn-img-thumb {
    width: 80px;
    height: 80px;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-2);
    overflow: hidden;
    cursor: pointer;
}

.btn-img-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gp-open-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin: var(--space-2) 0;
    justify-content: center;
}

.gp-open-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
}

.gp-description {
    font-size: var(--font-xs);
    color: var(--text-muted);
    text-align: center;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.gp-card-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 4px;
    font-size: 1.5rem;
    color: var(--text-muted);
}

/* ── GP Modal plein écran ── */
.gp-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg-primary);
}

.gp-modal-inner {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
}

body.gp-modal-open {
    overflow: hidden;
}

body.gp-modal-open .metronome-panel-fixed {
    display: none;
}

/* ── Top control bar ── */
.gp-controls {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-secondary);
    border-bottom: var(--border-width) solid var(--border-color);
    flex-shrink: 0;
    flex-wrap: wrap;
}

.gp-controls button,
.gp-controls select {
    padding: .4rem .7rem;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-2);
    background: var(--card-bg);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: var(--font-sm);
    width: auto;
    transition: background 0.15s, color 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.gp-controls button:hover {
    background: var(--card-hover);
    color: var(--text-primary);
    border-color: var(--text-muted);
}
.gp-controls button:disabled { opacity: .35; cursor: not-allowed; }
.gp-controls button:disabled:hover { background: var(--card-bg); color: var(--text-secondary); border-color: var(--border-color); }
.gp-controls button.active {
    background: var(--accent-primary);
    color: #fff;
    border-color: var(--accent-primary);
    box-shadow: 0 0 8px rgba(255, 107, 53, 0.4); /* fallback */
    box-shadow: 0 0 8px color-mix(in srgb, var(--accent-primary) 40%, transparent);
}

.gp-controls select {
    background: var(--card-bg);
    color: var(--text-primary);
}
.gp-controls select:hover { border-color: var(--text-muted); }
.gp-controls select:focus { border-color: var(--accent-primary); outline: none; }

/* Bouton fermer */
.gp-controls .gp-btn-close {
    background: var(--accent-danger);
    color: #fff;
    border-color: var(--accent-danger);
    font-weight: var(--font-weight-semibold);
}
.gp-controls .gp-btn-close:hover {
    opacity: .85;
    box-shadow: 0 0 8px rgba(220, 38, 38, 0.4);
    box-shadow: 0 0 8px color-mix(in srgb, var(--accent-danger) 40%, transparent);
}

.gp-time {
    font-size: var(--font-xs);
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    min-width: 7em;
    background: var(--card-bg);
    padding: .3rem .5rem;
    border-radius: var(--radius-1);
    border: var(--border-width) solid var(--border-color);
}

.gp-bpm {
    font-size: var(--font-xs);
    color: var(--accent-primary);
    font-variant-numeric: tabular-nums;
    font-weight: var(--font-weight-semibold);
}

.gp-sep {
    width: 1px;
    height: 1.4em;
    background: var(--border-color);
    opacity: .5;
}

.gp-spacer { flex: 1; }

.gp-zoom-group {
    display: flex;
    align-items: center;
    gap: 0;
}
.gp-zoom-group button:first-child {
    border-radius: var(--radius-2) 0 0 var(--radius-2);
    border-right: none;
}
.gp-zoom-group button:last-child {
    border-radius: 0 var(--radius-2) var(--radius-2) 0;
    border-left: none;
}
.gp-zoom-group .gp-zoom-label {
    font-size: var(--font-xs);
    min-width: 3em;
    text-align: center;
    color: var(--text-secondary);
    background: var(--card-bg);
    padding: .4rem .3rem;
    border-top: var(--border-width) solid var(--border-color);
    border-bottom: var(--border-width) solid var(--border-color);
    line-height: 1;
}

.gp-master-vol {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

/* ── Custom range sliders (GP controls + mixer) ── */
.gp-controls input[type="range"],
.gp-mixer-track input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-tertiary);
    cursor: pointer;
    outline: none;
}
.gp-controls input[type="range"]::-webkit-slider-thumb,
.gp-mixer-track input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-primary);
    border: 2px solid var(--bg-secondary);
    box-shadow: 0 0 4px rgba(0,0,0,.3);
    cursor: pointer;
    transition: transform 0.1s;
}
.gp-controls input[type="range"]::-webkit-slider-thumb:hover,
.gp-mixer-track input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}
.gp-controls input[type="range"]::-moz-range-thumb,
.gp-mixer-track input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-primary);
    border: 2px solid var(--bg-secondary);
    box-shadow: 0 0 4px rgba(0,0,0,.3);
    cursor: pointer;
}
.gp-controls input[type="range"]::-moz-range-track,
.gp-mixer-track input[type="range"]::-moz-range-track {
    height: 6px;
    border-radius: 3px;
    background: var(--bg-tertiary);
}

.gp-master-vol input[type="range"] {
    width: 70px;
}

/* ── Track mixer panel ── */
.gp-mixer {
    display: none;
    background: var(--bg-secondary);
    border-bottom: var(--border-width) solid var(--border-color);
    padding: var(--space-3) var(--space-3);
    gap: var(--space-2);
    flex-wrap: wrap;
}
.gp-mixer.open { display: flex; }

.gp-mixer-track {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-2);
    background: var(--card-bg);
    font-size: var(--font-xs);
    transition: border-color 0.15s, background 0.15s;
}
.gp-mixer-track:hover {
    border-color: var(--text-muted);
}

.gp-mixer-track.selected {
    border-color: var(--accent-primary);
    background: rgba(255, 107, 53, 0.08); /* fallback */
    background: color-mix(in srgb, var(--accent-primary) 8%, var(--card-bg));
}

.gp-mixer-track .track-name {
    min-width: 5em;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    color: var(--text-primary);
}

.gp-mixer-track button {
    padding: .2rem .5rem;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-1);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: var(--font-xs);
    font-weight: var(--font-weight-semibold);
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.gp-mixer-track button:hover { background: var(--card-hover); color: var(--text-primary); }
.gp-mixer-track button.muted {
    background: var(--accent-danger);
    color: #fff;
    border-color: var(--accent-danger);
    box-shadow: 0 0 6px rgba(220, 38, 38, 0.35);
    box-shadow: 0 0 6px color-mix(in srgb, var(--accent-danger) 35%, transparent);
}
.gp-mixer-track button.soloed {
    background: var(--accent-warning);
    color: #000;
    border-color: var(--accent-warning);
    box-shadow: 0 0 6px rgba(234, 179, 8, 0.35);
    box-shadow: 0 0 6px color-mix(in srgb, var(--accent-warning) 35%, transparent);
}

.gp-mixer-track input[type="range"] {
    width: 70px;
}

.gp-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-muted, #888);
    font-size: 1.1rem;
}

/* ── Score viewport ── */
.gp-viewport {
    flex: 1;
    overflow: auto;
    background: #ffffff;
    position: relative;
}

/* ── alphaTab playback cursor ── */
.at-cursor-bar {
    background: rgba(255, 242, 0, 0.25);
}
.at-cursor-beat {
    background: rgba(64, 64, 255, 0.75);
    width: 3px;
}
.at-selection div {
    background: rgba(64, 64, 255, 0.1);
}
.at-highlight * {
    fill: #0078ff;
    stroke: #0078ff;
}

/* ── GP mixer: always visible on desktop ── */
@media (min-width: 601px) {
    .gp-mixer { display: flex; }
    .gp-mixer-btn { display: none !important; }
}

.gp-mixer-track input[type="checkbox"] {
    accent-color: var(--accent-primary);
    cursor: pointer;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* ── GP modal responsive ── */
@media (max-width: 600px) {
    .gp-controls {
        padding: var(--space-1) var(--space-2);
        gap: var(--space-1);
        font-size: var(--font-xs);
    }
    .gp-controls button,
    .gp-controls select {
        padding: .25rem .45rem;
        font-size: var(--font-xs);
    }
    .gp-controls .btn-label { display: none; }
    .gp-master-vol input[type="range"] { width: 50px; }
    .gp-zoom-group .gp-zoom-label { font-size: var(--font-2xs); min-width: 2.5em; }
    .gp-mixer-track { flex-direction: column; align-items: flex-start; }
    .gp-mixer-track input[type="range"] { width: 60px; }
    .gp-sep { display: none; }
}
/* #endregion */

/* #region — DEGREE CHORD CARDS */
.degrees-zone,
.ab-degrees-zone {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.5rem 0 1rem;
}
.degree-chord {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.4rem;
    border-radius: var(--radius-base);
    min-width: 80px;
    transition: background 0.15s;
}
.degree-chord.clickable { cursor: pointer; }
.degree-chord.clickable:hover { background: var(--bg-secondary); }
.degree-chord.flash { animation: degree-flash 0.3s; }
@keyframes degree-flash { 50% { background: var(--accent-primary); opacity: 0.7; } }
.degree-label { font-size: var(--font-xs); color: var(--text-secondary); font-weight: 600; }
.degree-select { font-size: var(--font-xs); max-width: 80px; padding: 1px 2px; margin: 2px 0; }
.degree-nav { display: flex; align-items: center; gap: 0.25rem; margin-top: 2px; }
.degree-nav button {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-base);
    cursor: pointer;
    font-size: var(--font-xs);
    color: var(--text-secondary);
    padding: 0 4px;
    line-height: 1.4;
}
.degree-nav button:hover { background: var(--bg-secondary); }
.degree-counter { font-size: var(--font-xs); color: var(--text-secondary); min-width: 2rem; text-align: center; }
/* #endregion */

/* #region Toast Notifications */
.toast {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(1rem);
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    font-size: var(--font-sm);
    color: #fff;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: none;
    max-width: 90vw;
}
.toast-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.toast-error { background: var(--accent-danger); }
.toast-success { background: var(--accent-success); color: #000; }
/* #endregion */

/* #region — BLOC-NOTES */

.label-filter-bar {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    align-items: center;
}

.label-chip {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    border-radius: 999px;
    border: var(--border-width) solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: var(--font-xs);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    white-space: nowrap;
}

.label-chip:hover {
    background: var(--card-hover);
}

.label-chip-active {
    background: var(--accent-primary);
    color: #fff;
    border-color: var(--accent-primary);
}

.label-chip-sm {
    font-size: var(--font-xxs);
    padding: 2px var(--space-2);
    cursor: default;
}

.notes-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

.note-card {
    background: var(--bg-secondary);
    border-radius: var(--space-2);
    border: var(--border-width) solid var(--border-color);
    padding: var(--space-4);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    transition: opacity 0.2s, transform 0.2s, box-shadow 0.15s;
    height: 180px;
    overflow: hidden;
}

.note-card:hover {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.note-card-new {
    border-style: dashed;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    opacity: 0.7;
}

.note-card-new:hover {
    opacity: 1;
}

.note-card-plus {
    font-size: 2rem;
    line-height: 1;
    color: var(--text-muted);
}

.note-card-plus-label {
    font-size: var(--font-xs);
    color: var(--text-muted);
}

.note-card-title {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-base);
    color: var(--text-primary);
}

.note-card-content {
    font-size: var(--font-sm);
    color: var(--text-muted);
    line-height: 1.5;
    white-space: pre-line;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    line-clamp: 4;
    -webkit-box-orient: vertical;
}

.note-card-labels {
    display: flex;
    gap: var(--space-1);
    flex-wrap: wrap;
    margin-top: auto;
}

.note-dragging {
    opacity: 0.4;
}

/* Note modal */
.note-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 500;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.note-modal.open {
    display: flex;
}

.note-modal-content {
    background: var(--bg-secondary);
    border-radius: var(--space-2);
    padding: var(--space-5);
    max-width: 560px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.note-modal-titre {
    width: 100%;
    font-size: var(--font-lg);
    font-weight: var(--font-weight-semibold);
    background: transparent;
    border: none;
    border-bottom: var(--border-width) solid var(--border-color);
    color: var(--text-primary);
    padding: var(--space-2) 0;
    outline: none;
}

.note-modal-titre:focus {
    border-color: var(--accent-primary);
}

.note-modal-contenu {
    width: 100%;
    background: transparent;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--space-1);
    color: var(--text-primary);
    padding: var(--space-3);
    font-family: inherit;
    font-size: var(--font-base);
    resize: vertical;
    min-height: 120px;
    outline: none;
}

.note-modal-contenu:focus {
    border-color: var(--accent-primary);
}

.note-modal-labels-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.note-modal-labels {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.label-chip-toggle {
    cursor: pointer;
}

.note-modal-label-create {
    display: flex;
    gap: var(--space-2);
    align-items: center;
}

.note-modal-label-create input {
    flex: 1;
    background: transparent;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--space-1);
    color: var(--text-primary);
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-xs);
    outline: none;
}

.note-modal-label-create input:focus {
    border-color: var(--accent-primary);
}

.note-modal-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.note-modal-actions .btn-danger {
    background: none;
    color: var(--accent-danger);
    border: var(--border-width) solid var(--accent-danger);
}

.note-modal-actions .btn-danger:hover {
    background: var(--accent-danger);
    color: #fff;
}

@media (min-width: 768px) {
    .notes-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .note-modal {
        padding: var(--space-4);
    }

    .note-modal-content {
        max-width: 70%;
        height: calc(100vh - var(--space-4) * 2);
        max-height: none;
    }

    .note-modal-contenu {
        flex: 1;
        resize: none;
    }
}

@media (min-width: 1024px) {
    .notes-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
/* #endregion */

/* #region — LANDING PAGE */
.landing-hero {
    text-align: center;
    padding: var(--space-8) var(--space-4);
    max-width: 700px;
    margin: 0 auto;
}

.landing-hero h1 {
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

.landing-subtitle {
    font-size: var(--font-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.5;
}

.landing-hero-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-lg);
    border-radius: var(--radius-2);
    display: inline-block;
    font-weight: 600;
}

.landing-features {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-6) var(--space-4);
}

.landing-features h2 {
    text-align: center;
    font-size: var(--font-xl);
    margin-bottom: var(--space-6);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-4);
}

.feature-card {
    background: var(--bg-secondary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-3);
    padding: var(--space-4);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    display: block;
    margin-bottom: var(--space-2);
    color: var(--accent-primary);
    line-height: 1;
}

.feature-card h3 {
    font-size: var(--font-md);
    margin-bottom: var(--space-1);
}

.feature-card p {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.feature-card-highlight {
    border-color: var(--accent);
    grid-column: 1 / -1;
}

.landing-cta {
    text-align: center;
    padding: var(--space-8) var(--space-4);
}

.landing-cta h2 {
    font-size: var(--font-xl);
    margin-bottom: var(--space-4);
}
/* #endregion */

/* #region — OUTILS (Cercle des quintes + Explorateur de gammes) */

/* ── Cercle des quintes ── */
.cof-container {
    display: flex;
    gap: var(--space-6);
    align-items: flex-start;
}

.cof-svg-wrapper {
    flex: 0 0 auto;
    width: min(500px, 100%);
}

#cof-svg {
    width: 100%;
    height: auto;
}

.cof-center {
    fill: var(--bg-secondary);
}

.cof-center-text {
    fill: var(--text-muted);
    font-size: 14px;
    pointer-events: none;
}

.cof-segment {
    fill: var(--bg-secondary);
    stroke: var(--bg-primary);
    stroke-width: 1;
    cursor: pointer;
    transition: fill 0.15s;
}

.cof-segment:hover {
    fill: var(--bg-tertiary);
}

.cof-segment--minor {
    fill: var(--bg-tertiary);
}

.cof-segment--minor:hover {
    fill: var(--border-color);
}

.cof-segment--dim {
    fill: var(--bg-primary);
    stroke: var(--bg-primary);
}

.cof-segment--dim:hover {
    fill: var(--bg-tertiary);
}

.cof-segment--selected {
    fill: var(--accent-primary) !important;
}

.cof-segment--related {
    fill: rgba(255, 107, 53, 0.3) !important;
}

.cof-label {
    fill: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    pointer-events: none;
}

.cof-label--minor {
    font-size: 12px;
    font-weight: 400;
    fill: var(--text-secondary);
}

.cof-label--dim {
    font-size: 10px;
    font-weight: 400;
    fill: var(--text-muted);
}

.cof-label--selected {
    fill: #fff !important;
    font-weight: 700;
}

.cof-label--related {
    fill: var(--accent-primary) !important;
}

.cof-info-panel {
    flex: 1;
    min-width: 250px;
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: var(--space-5);
    border: 1px solid var(--border-color);
}

.cof-info-panel h3 {
    font-size: var(--font-lg);
    margin-bottom: var(--space-4);
    color: var(--accent-primary);
}

.cof-info-placeholder {
    color: var(--text-muted);
    font-style: italic;
}

.cof-info-row {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--border-color);
}

.cof-info-row:last-child {
    border-bottom: none;
}

.cof-info-label {
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 140px;
    font-size: var(--font-sm);
}

.cof-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.cof-chip {
    display: inline-block;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: var(--font-sm);
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.cof-chip--root {
    background: var(--accent-primary);
    color: #fff;
    border-color: var(--accent-primary);
}

/* ── Explorateur de gammes ── */
.scale-explorer {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.scale-selectors {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.scale-selectors label {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.scale-selectors select {
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: var(--font-base);
    cursor: pointer;
    min-width: 180px;
}

.scale-toolbar {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    flex-wrap: wrap;
}

.scale-positions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.scale-display-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.toggle-buttons {
    display: flex;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.toggle-btn {
    padding: 4px 14px;
    border: none;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: var(--font-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.toggle-btn:not(:last-child) {
    border-right: 1px solid var(--border-color);
}

.toggle-btn:hover {
    color: var(--text-primary);
}

.toggle-btn--active {
    background: var(--accent-primary);
    color: #fff;
}

.position-buttons {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.position-btn {
    padding: 4px 14px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: var(--font-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.position-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.position-btn--active {
    background: var(--accent-primary);
    color: #fff;
    border-color: var(--accent-primary);
}

.position-zone {
    fill: var(--accent-primary);
    opacity: 0.07;
}

.fretboard-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

#fretboard-svg {
    width: 100%;
    min-width: 800px;
    height: auto;
}

.fretboard-nut {
    stroke: var(--text-primary);
    stroke-width: 4;
}

.fretboard-fret {
    stroke: var(--text-muted);
    stroke-width: 1.5;
}

.fretboard-string {
    stroke: var(--text-muted);
    stroke-width: 1;
}

.fretboard-string-name {
    fill: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
}

.fretboard-marker {
    fill: var(--border-color);
}

.fretboard-fret-number {
    fill: var(--text-muted);
    font-size: 11px;
}

.fret-note {
    fill: var(--btn-secondary-bg);
    opacity: 0.9;
}

.fret-note--root {
    fill: var(--accent-primary);
    opacity: 1;
}

.fret-note-label {
    fill: #fff;
    font-size: 10px;
    font-weight: 700;
    pointer-events: none;
}

.scale-info {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-5);
}

.scale-info-section {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.scale-info-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: var(--font-sm);
}

@media (max-width: 768px) {
    .cof-container {
        flex-direction: column;
    }

    .cof-svg-wrapper {
        width: 100%;
    }

    .cof-info-panel {
        min-width: unset;
    }

    .cof-info-label {
        min-width: 100px;
    }
}
/* #endregion */

/* #region Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--accent-primary);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb-sep {
    opacity: 0.5;
}
.breadcrumb-bottom {
    margin-top: var(--space-6);
}
/* #endregion */

/* #region — SOCIAL LOGIN */
.social-divider {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: var(--space-4) 0;
    color: var(--text-muted);
    font-size: var(--font-sm);
}
.social-divider::before,
.social-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--btn-padding-y) var(--btn-padding-x);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-2);
    font-size: var(--font-base);
    text-decoration: none;
    transition: background 0.15s ease;
}
.btn-google:hover {
    background: var(--card-hover);
}
/* #endregion */

/* #region 15 — MEDIA QUERIES */
@media (min-width: 768px) {

    .page-wrapper {
    width: 70%;
    margin: auto;
    padding: var(--space-4);
    gap: var(--space-6);
    }

    /* ── Header aligné sur le contenu ── */
    header {
        padding-left: 15%;
        padding-right: 15%;
    }

    /* ── Nav dans le header en desktop ── */
    .burger-menu {
        display: none;
    }

    .main-nav {
        position: static;
        width: auto;
        max-width: none;
        height: auto;
        background: none;
        padding: 0;
        flex-direction: row;
        align-items: center;
        gap: var(--space-1);
        overflow: visible;
        z-index: auto;
        transition: none;
    }

    .main-nav a,
    .nav-logout-btn {
        display: inline-block;
        width: auto;
        padding: var(--btn-sm-padding-y) var(--btn-sm-padding-x);
        background: none;
        border: none;
        border-left: none;
        font-size: var(--font-sm);
        white-space: nowrap;
        color: var(--text-primary);
    }

    .theme-toggle {
        width: auto;
        padding: var(--btn-sm-padding-y) var(--btn-sm-padding-x);
        background: none;
        border: none;
    }

    .theme-icon {
        font-size: var(--font-base);
    }

    .songs-grid {
        grid-template-columns: repeat(4, 1fr);
        column-gap: var(--space-5);
        row-gap: var(--space-8);
    }

    .gp-open-row {
        justify-content: flex-start;
        padding-left: var(--space-4);
    }

}

@media (max-width: 768px) {
    .tab-modal-body pre {
        font-size: 1.6rem;
    }

    .section-toolbar {
        flex-wrap: nowrap;
    }
}
/* #endregion */

/* #region — Detail prev/next navigation */
.detail-nav-btn {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    z-index: 50;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary, rgba(0,0,0,0.06));
    border: 1px solid var(--border-color, #ddd);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary, #666);
    text-decoration: none;
    transition: background .15s, color .15s;
}
.detail-nav-btn:hover {
    background: var(--accent, #4a90d9);
    color: #fff;
    border-color: var(--accent, #4a90d9);
}
.detail-nav-prev { left: .75rem; }
.detail-nav-next { right: .75rem; }
@media (max-width: 768px) {
    .detail-nav-btn { display: none; }
}
/* #endregion */