/**
 * Chord Library — shared layout and card styles
 * Loaded globally from app.blade.php after sbn-design-system.css.
 * No hex literals — all values reference design tokens.
 */

/* ============================================================
   PAGE SHELL
   ============================================================ */


/* Header, search box, and count bar use .sbn-lib-* from sbn-design-system.css section 15. */

/* ============================================================
   CONTENT WRAPPER: grid (left) + sidebar (right)
   ============================================================ */

.sbn-content-wrapper {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.sbn-results-container {
    flex: 1;
    min-width: 0;
    order: 0;
}

/* ── Filter Sidebar ── */
.sbn-filter-sidebar {
    position: sticky;
    top: 80px;
    align-self: flex-start;
    width: 240px;
    min-width: 240px;
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    order: 1;
    scrollbar-width: thin;
    scrollbar-color: var(--clr-border) transparent;
}

.sbn-filter-sidebar::-webkit-scrollbar { width: 4px; }
.sbn-filter-sidebar::-webkit-scrollbar-track { background: transparent; }
.sbn-filter-sidebar::-webkit-scrollbar-thumb {
    background: var(--clr-border);
    border-radius: 2px;
}

.sbn-sidebar-header {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--clr-border);
}

.sbn-sidebar-header h3 {
    margin: 0 0 4px;
    font-size: 0.95em;
    font-weight: 700;
    color: var(--clr-text);
}

.sbn-sidebar-section {
    margin-bottom: 18px;
}

.sbn-sidebar-label {
    font-size: 0.68em;
    font-weight: 700;
    color: var(--clr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 8px;
    display: block;
}

.sbn-sidebar-options {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.sbn-sidebar-option {
    padding: 4px 10px;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    background: var(--clr-white);
    color: var(--clr-text-dim);
    font-size: 0.78em;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
    line-height: 1.3;
    font-family: var(--font-body);
}

.sbn-sidebar-option:hover {
    border-color: #e85d3b;
    color: #e85d3b;
    background: #fff8f5;
}

.sbn-sidebar-option.active {
    background: var(--clr-text);
    border-color: var(--clr-text);
    color: var(--clr-white);
}

.sbn-sidebar-option.active:hover {
    background: #e85d3b;
    border-color: #e85d3b;
}

.sbn-clear-filters-btn {
    width: 100%;
    padding: 9px;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    background: var(--clr-white);
    color: var(--clr-text-muted);
    font-size: 0.82em;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
    margin-top: 6px;
    font-family: var(--font-body);
}

.sbn-clear-filters-btn:hover {
    border-color: #e85d3b;
    color: #e85d3b;
    background: #fff8f5;
}

/* ============================================================
   ARCHETYPE PANEL
   ============================================================ */

.sbn-archetype-panel {
    background: var(--clr-surface-2);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    padding: 20px 24px 16px;
    margin-bottom: 24px;
}

/* Panel header row: title+subtitle left, back button right */
.sbn-archetype-panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 0;
}

.sbn-barre-back-btn {
    flex-shrink: 0;
    font-size: 0.78em;
    font-weight: 600;
    color: var(--clr-text-muted);
    background: none;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    padding: 4px 10px;
    cursor: pointer;
    font-family: var(--font-body);
    transition: color 0.15s, border-color 0.15s;
    white-space: nowrap;
    align-self: center;
}
.sbn-barre-back-btn:hover {
    color: var(--clr-text);
    border-color: var(--clr-text-muted);
}

/* Next-level CTA row */
.sbn-archetype-next {
    margin-top: 14px;
    display: flex;
    justify-content: flex-end;
}

.sbn-archetype-next-btn {
    font-size: 0.8em;
    font-weight: 600;
    color: var(--clr-red);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    font-family: var(--font-body);
    transition: opacity 0.15s;
}
.sbn-archetype-next-btn:hover { opacity: 0.7; }

/* Drop voicings blurb (shown after dot animation completes) */
.sbn-drop-blurb {
    margin-top: 16px;
    padding: 14px 16px;
    background: var(--clr-surface-2);
    border-radius: var(--radius);
    animation: sbnFadeSlideIn 0.4s ease both;
}

.sbn-drop-blurb p {
    font-size: 0.88em;
    color: var(--clr-text-muted);
    margin: 0 0 12px;
    line-height: 1.55;
}

.sbn-drop-blurb p strong {
    color: var(--clr-text);
    font-weight: 600;
}

.sbn-drop-blurb-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.sbn-drop-link {
    font-size: 0.8em;
    font-weight: 600;
    color: var(--clr-red);
    text-decoration: none;
    border: none;
    background: none;
    padding: 0;
    cursor: pointer;
    transition: opacity 0.15s;
}
.sbn-drop-link:hover { opacity: 0.7; }

/* Shell voicings blurb modifier */
.sbn-shell-blurb p em {
    font-style: italic;
    color: var(--clr-text);
}

@keyframes sbnFadeSlideIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.sbn-archetype-panel-title {
    font-size: 0.78em;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--clr-text-muted);
    margin: 0 0 4px;
}

.sbn-archetype-panel-subtitle {
    font-size: 0.82em;
    color: var(--clr-text-muted);
    margin: 0 0 14px;
}

/* When header row wraps title+subtitle, push tiles below it */
.sbn-archetype-panel-header + .sbn-archetype-tiles {
    margin-top: 14px;
}

/* ── Tile diagram crossfade overlay ── */

/* During morph the diagram wrapper stacks both SVGs via absolute positioning */
.sbn-tile-diagram-wrap {
    position: relative;
}

.sbn-tile-diagram-wrap .sbn-diag--out {
    animation: sbnDiagOut 0.46s ease-in-out forwards;
}

.sbn-tile-diagram-wrap .sbn-diag--in {
    position: absolute;
    inset: 0;
    animation: sbnDiagIn 0.46s ease-in-out forwards;
}

@keyframes sbnDiagOut {
    0%   { opacity: 1; }
    100% { opacity: 0; }
}

@keyframes sbnDiagIn {
    0%   { opacity: 0; }
    40%  { opacity: 0; }
    100% { opacity: 1; }
}

/* Label crossfade: outgoing slides up+fades, incoming slides up from below */
.sbn-archetype-tile-name {
    position: relative;
    display: block;
    overflow: hidden;
    min-height: 1.2em;
}

.sbn-tile-label-out {
    display: block;
    animation: sbnLabelOut 0.4s ease-in-out forwards;
}

.sbn-tile-label-in {
    position: absolute;
    inset: 0;
    display: block;
    animation: sbnLabelIn 0.4s ease-in-out forwards;
}

@keyframes sbnLabelOut {
    0%   { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(-6px); }
}

@keyframes sbnLabelIn {
    0%   { opacity: 0; transform: translateY(6px); }
    40%  { opacity: 0; transform: translateY(6px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* ── Tile transition animations ── */

/* Phase 1: exit tiles shrink away staggered */
@keyframes sbnTileExit {
    0%   { opacity: 1; transform: scale(1); }
    100% { opacity: 0; transform: scale(0.65) translateY(10px); }
}

/* Tiles that have already exited — kept in DOM to preserve indices, made invisible */
.sbn-tile--gone {
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

/* Shell-level exited tiles — fully removed from flex flow so remaining tiles centre naturally */
.sbn-tile--shell-gone {
    display: none;
}

/* Phase 2 & 4: gather/spread — transition driven by inline style on the element */
.sbn-tile--gather,
.sbn-tile--spreading {
    /* transition is set via inline style; this class just marks the phase */
}

/* Phase 3: shimmer border pulse while morphing */
@keyframes sbnTileShimmer {
    0%, 100% { border-color: var(--clr-border); box-shadow: none; }
    50%       { border-color: var(--clr-red); box-shadow: 0 0 0 3px color-mix(in srgb, var(--clr-red) 18%, transparent); }
}

.sbn-tile--morphing {
    animation: sbnTileShimmer 0.44s ease-in-out forwards;
    animation-delay: calc(var(--tile-i, 0) * 60ms);
}

/* Phase 4: entering tiles spring in from their FLIP starting position */
@keyframes sbnTileEnter {
    0%   { opacity: 0; transform: scale(0.78) translateY(8px); }
    100% { opacity: 1; transform: scale(1)    translateY(0); }
}

.sbn-tiles--animating .sbn-archetype-tile { pointer-events: none; }

.sbn-tile--exit {
    animation: sbnTileExit 0.32s ease-in forwards;
    /* --tile-i for exit tiles is 4-7; subtract 4 so stagger starts at 0ms */
    animation-delay: calc(max(0, var(--tile-i, 4) - 4) * 60ms);
}

.sbn-tile--enter {
    animation: sbnTileEnter 0.42s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    animation-delay: calc(var(--tile-i, 0) * 55ms);
    opacity: 0;
}

.sbn-archetype-tiles {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.sbn-archetype-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--clr-white);
    border: 2px solid var(--clr-border);
    border-radius: var(--radius);
    padding: 10px 12px 8px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, transform 0.2s;
    min-width: 88px;
    flex: 0 1 auto;
    outline: none;
    font-family: var(--font-body);
}

.sbn-archetype-tile:hover {
    border-color: var(--clr-text-muted);
    background: var(--clr-white);
}

.sbn-archetype-tile.active {
    border-color: var(--clr-red);
    background: var(--clr-white);
    transform: translateY(-2px);
}

.sbn-archetype-tile-name {
    font-size: 1em;
    font-weight: 700;
    color: var(--clr-text);
    margin-bottom: 6px;
    font-family: var(--font-chord);
    text-align: center;
}

.sbn-archetype-tile-diagram {
    width: 72px;
}

.sbn-tile-hint {
    font-size: 0.6em;
    color: var(--clr-text-muted);
    margin-top: 4px;
    transition: color 0.2s;
}

.sbn-archetype-tile.active .sbn-tile-hint {
    color: var(--clr-red);
}

.sbn-archetype-tile.active .sbn-archetype-tile-name {
    color: var(--clr-red);
}

/* Connector arrow from tiles row to drawer */
.sbn-drawer-connector {
    position: relative;
    height: 12px;
    margin-top: 6px;
    pointer-events: none;
}

.sbn-drawer-connector::after {
    content: '';
    position: absolute;
    bottom: 0;
    /* Centre on the active tile.
       Each tile is ~104px wide + 8px gap.
       Offset = (index + 0.5) / count * 100% approximated via left position.
       We use a CSS trick: left = calc((var(--tile-index) * 112px) + 52px)
       clamped within the panel. */
    left: calc(var(--tile-index) * 112px + 52px);
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid var(--clr-border);
}

.sbn-drawer-connector::before {
    content: '';
    position: absolute;
    bottom: -1px;
    left: calc(var(--tile-index) * 112px + 52px);
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 9px solid transparent;
    border-right: 9px solid transparent;
    border-bottom: 9px solid var(--clr-white);
    z-index: 1;
}

/* Drawer */
.sbn-archetype-drawer {
    margin-top: 0;
    padding: 14px 16px;
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    animation: sbnDrawerOpen 0.2s ease-out;
}

@keyframes sbnDrawerOpen {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Barré chromatic grid — 12 positions */
.sbn-barre-drawer-intro {
    font-size: 0.78em;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--clr-text-muted);
    margin: 0 0 10px;
}

.sbn-barre-chromatic-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.sbn-barre-chromatic-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    text-decoration: none;
    width: 72px;
}

.sbn-barre-chromatic-item:hover .sbn-chord-svg { opacity: 0.75; }

.sbn-barre-chromatic-name {
    font-size: 0.78em;
    font-weight: 600;
    color: var(--clr-text);
    text-align: center;
}

.sbn-drawer-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.sbn-drawer-cards > a {
    text-decoration: none;
    flex: 0 0 96px;
    width: 96px;
    display: block;
}

/* Force ChordCards inside the drawer to be compact */
.sbn-drawer-cards .sbn-chord-card {
    width: 96px;
    padding: 8px 8px 6px;
}

.sbn-drawer-cards .sbn-card-chord-name .sbn-chord-symbol {
    font-size: 1.1rem;
}

.sbn-drawer-cards .sbn-card-diagram {
    padding: 1px 0 2px;
}

/* ============================================================
   VOICING GROUP PANELS
   ============================================================ */

.sbn-voicing-group {
    background: var(--clr-surface-2);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
}

.sbn-voicing-group-summary {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    cursor: pointer;
    list-style: none;
    user-select: none;
    transition: background 0.12s;
}

.sbn-voicing-group-summary::-webkit-details-marker { display: none; }

.sbn-voicing-group-summary:hover {
    background: color-mix(in srgb, var(--clr-border) 30%, transparent);
}

.sbn-voicing-group-name {
    font-size: 0.78em;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--clr-text-muted);
    flex: 1;
}

.sbn-voicing-group-count {
    font-size: 0.72em;
    font-weight: 600;
    color: var(--clr-text-muted);
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: 999px;
    padding: 1px 8px;
    line-height: 1.5;
}

.sbn-voicing-group-chevron {
    font-size: 1em;
    color: var(--clr-text-muted);
    transition: transform 0.2s;
    line-height: 1;
}

.sbn-voicing-group[open] > .sbn-voicing-group-summary .sbn-voicing-group-chevron {
    transform: rotate(90deg);
}

.sbn-voicing-group-body {
    padding: 12px 16px 16px;
    background: var(--clr-white);
    border-top: 1px solid var(--clr-border);
}

/* ============================================================
   CHORD CARDS GRID
   ============================================================ */

.sbn-chords-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
}


/* Card name */
.sbn-card-chord-name {
    text-align: center;
    line-height: 1;
    margin-bottom: 1px;
}

.sbn-card-chord-name {
    --sbn-chord-color: var(--clr-text);
}

.sbn-card-chord-name .sbn-chord-symbol {
    font-size: 1em;
    display: inline-block;
    white-space: nowrap;
    line-height: 1;
}

/* Inversion label */
.sbn-card-inversion {
    text-align: center;
    font-size: 0.6em;
    color: var(--clr-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    min-height: 11px;
    line-height: 1;
    margin-bottom: 1px;
}

/* Diagram area — no extra padding, diagram butts close to name */
.sbn-card-diagram {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin: 0;
    padding: 2px 0 0;
    position: relative;
}

/* Play button — overlaid at bottom-centre of diagram, shown on card hover */
.sbn-card-diagram .sbn-play-btn {
    position: absolute;
    top: 90%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: var(--card-play-size, 24px);
    height: var(--card-play-size, 24px);
    opacity: 0;
    background: var(--clr-red);
    border-color: var(--clr-red);
    color: var(--clr-white);
    transition: opacity 0.15s var(--ease), transform 0.15s var(--ease);
    pointer-events: none;
}

.sbn-card-diagram .sbn-play-btn svg {
    width: calc(var(--card-play-size, 24px) * 0.55);
    height: calc(var(--card-play-size, 24px) * 0.55);
}

.sbn-chord-card:hover .sbn-card-diagram .sbn-play-btn {
    opacity: 1;
    pointer-events: auto;
}

.sbn-chord-card--detail .sbn-card-diagram .sbn-play-btn {
    opacity: 1;
    pointer-events: auto;
}

.sbn-card-diagram .sbn-play-btn:hover {
    transform: translate(-50%, -50%) scale(1.15);
}

.sbn-card-diagram .sbn-play-btn.is-playing {
    transform: translate(-50%, -50%) scale(1.15);
}

/* Arpeggio dot ping animation */
@keyframes sbnDotPing {
    0%   { transform: scale(1);   fill: var(--clr-red); }
    35%  { transform: scale(1.8); fill: var(--clr-red); }
    100% { transform: scale(1);   fill: var(--clr-red); }
}

.sbn-svg-dot.sbn-dot-ping {
    animation: sbnDotPing 0.45s ease-out forwards;
    transform-origin: center;
    transform-box: fill-box;
}

/* Footer */
.sbn-card-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding-top: 4px;
    margin-top: 0;
    border-top: 1px solid var(--clr-surface-2);
    min-height: 16px;
}

.sbn-chords-grid .sbn-chord-card {
    padding: 10px;
}


/* Popularity badge — defined in sbn-design-system.css (.sbn-card-pop + .sbn-pop-*) */

/* Difficulty stars */
.sbn-card-diff {
    display: inline-flex;
    gap: 1px;
    align-items: center;
}

.sbn-diff-star {
    font-size: 9px;
    color: var(--clr-border);
    line-height: 1;
}

.sbn-diff-star.filled {
    color: var(--clr-red);
}

/* Hover controls (play + optional info) */
.sbn-card-hover-controls {
    position: absolute;
    top: 50%;
    right: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
    opacity: 0;
    transform: translateY(-50%) translateX(10px);
    transition: opacity 0.2s var(--ease),
        transform 0.2s var(--ease);
    pointer-events: none;
}

.sbn-chord-card:hover .sbn-card-hover-controls,
.sbn-chord-card--detail .sbn-card-hover-controls {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
    pointer-events: auto;
}

/* .sbn-play-btn base is in sbn-design-system.css §3b — chord-card overlay overrides below */

.sbn-info-btn {
    width: 38px;
    height: 38px;
    border: 1px solid var(--clr-border);
    background: var(--clr-white);
    color: var(--clr-text-muted);
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s var(--ease);
    padding: 0;
    flex-shrink: 0;
}

.sbn-info-btn:hover {
    background: var(--clr-surface-2);
    color: var(--clr-text);
    border-color: var(--clr-text-muted);
}

.sbn-play-btn:focus-visible,
.sbn-info-btn:focus-visible {
    outline: 2px solid var(--clr-accent);
    outline-offset: 1px;
}

/* DOM-based dot/barre ping animations (legacy HTML renderer) */
@keyframes sbn-dot-ping {
    0%   { transform: translate(-50%, -50%) scale(1);    opacity: 0.85; }
    35%  { transform: translate(-50%, -50%) scale(1.55); opacity: 1;    }
    70%  { transform: translate(-50%, -50%) scale(1.2);  opacity: 0.95; }
    100% { transform: translate(-50%, -50%) scale(1);    opacity: 0.85; }
}

@keyframes sbn-barre-ping {
    0%   { opacity: 0.85; }
    35%  { opacity: 1; transform: translateY(-50%) scaleY(1.3); }
    100% { opacity: 0.85; transform: translateY(-50%) scaleY(1); }
}

.sbn-finger-position.sbn-dot-ping {
    animation: sbn-dot-ping 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

.sbn-barre.sbn-dot-ping {
    animation: sbn-barre-ping 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

/* Touch devices: always show play button */
@media (hover: none) {
    .sbn-card-hover-controls {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
        pointer-events: auto;
    }

    .sbn-card-diagram .sbn-play-btn {
        opacity: 1;
        pointer-events: auto;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .sbn-chord-card,
    .sbn-card-hover-controls,
    .sbn-play-btn,
    .sbn-info-btn {
        transition: none;
    }

    .sbn-chord-card:hover {
        transform: none;
    }
}


/* No results */
.sbn-no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--clr-text-muted);
}

.sbn-no-results h3 {
    font-size: 1.1em;
    font-weight: 600;
    margin: 16px 0 8px;
    color: var(--clr-text-dim);
}

.sbn-no-results p {
    font-size: 0.9em;
    margin: 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
    .sbn-content-wrapper {
        flex-direction: column;
    }

    .sbn-filter-sidebar {
        position: static;
        width: 100%;
        min-width: 100%;
        max-height: none;
        order: -1;
    }

    .sbn-chords-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

@media (max-width: 768px) {
    .sbn-chords-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
    .sbn-archetype-tiles { gap: 6px; }
    .sbn-archetype-tile { min-width: 76px; padding: 8px 8px 6px; }
}

@media (max-width: 480px) {
    .sbn-chords-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; }
}