/**
 * Chord Library Redesign - Phase 1: Unified State
 * VERSION 8.0.0 - UPDATED FEB 2026
 * 
 * CHANGES IN THIS VERSION:
 * - Added filter pills styling
 * - Pills show active filters with removable X buttons
 * - Color-coded by type (chord search, text query, dropdown filter)
 * 
 * Includes: Page layout + Clean interactive cards + Filter pills
 */

/* ==============================================
   CONTAINER & LAYOUT
   ============================================== */

.sbn-chord-library-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

.sbn-chord-library-redesign {
    position: relative;
}

/* ==============================================
   HEADER SECTION
   ============================================== */

.sbn-library-header {
    text-align: center;
    margin-bottom: 50px;
}

.sbn-library-title {
    font-size: 42px;
    font-weight: 700;
    color: #1a202c;
    margin: 0 0 10px 0;
    letter-spacing: -0.02em;
}

.sbn-library-subtitle {
    font-size: 18px;
    color: #718096;
    margin: 0 0 40px 0;
    font-weight: 400;
}

/* ==============================================
   UNIFIED SEARCH BOX
   ============================================== */

.sbn-search-container {
    max-width: 700px;
    margin: 0 auto 30px;
}

.sbn-search-box {
    position: relative;
    display: flex;
    align-items: center;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 6px 6px 6px 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.sbn-search-box:hover {
    border-color: #cbd5e0;
    box-shadow: 0 8px 12px -2px rgba(0, 0, 0, 0.08);
}

.sbn-search-box:focus-within {
    border-color: #e85d3b;
    box-shadow: 0 0 0 4px rgba(232, 93, 59, 0.1), 
                0 8px 16px -2px rgba(0, 0, 0, 0.1);
}

.sbn-search-icon {
    color: #a0aec0;
    flex-shrink: 0;
    margin-right: 12px;
    transition: color 0.2s;
}

.sbn-search-box:focus-within .sbn-search-icon {
    color: #e85d3b;
}

.sbn-search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 18px;
    color: #2d3748;
    background: transparent;
    padding: 14px 0;
    font-weight: 500;
}

.sbn-search-input::placeholder {
    color: #a0aec0;
    font-weight: 400;
}

.sbn-clear-btn {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: none;
    background: #f7fafc;
    color: #718096;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.sbn-clear-btn:hover {
    background: #e85d3b;
    color: white;
}

/* Search Examples */
.sbn-search-examples {
    margin-top: 16px;
    font-size: 14px;
    color: #718096;
    text-align: center;
}

.sbn-search-examples strong {
    color: #4a5568;
    margin-right: 8px;
}

.sbn-example-btn {
    display: inline-block;
    padding: 6px 14px;
    margin: 4px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: white;
    color: #4a5568;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.sbn-example-btn:hover {
    border-color: #e85d3b;
    color: #e85d3b;
    background: #fff5f2;
}

/* ==============================================
   FILTER SIDEBAR (Permanent, Right Side)
   ============================================== */

/* Content wrapper: sidebar + grid */
.sbn-content-wrapper {
    display: flex;
    gap: 24px;
    position: relative;
}

/* Sidebar — always visible */
.sbn-filter-sidebar {
    position: sticky;
    top: 20px;
    align-self: flex-start;
    width: 240px;
    min-width: 240px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 20px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    order: 1; /* Sidebar on right */
}

/* Results container takes remaining space */
.sbn-content-wrapper .sbn-results-container {
    flex: 1;
    min-width: 0;
    order: 0; /* Grid on left */
}

/* Sidebar header */
.sbn-sidebar-header {
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e2e8f0;
}

.sbn-sidebar-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: #1a202c;
}

/* Sidebar sections */
.sbn-sidebar-section {
    margin-bottom: 20px;
}

.sbn-sidebar-label {
    font-size: 11px;
    font-weight: 700;
    color: #718096;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 8px 0;
}

/* Option buttons (replace dropdowns) */
.sbn-sidebar-options {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.sbn-sidebar-option {
    padding: 5px 10px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    background: white;
    color: #4a5568;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    line-height: 1.2;
}

.sbn-sidebar-option:hover {
    border-color: #e85d3b;
    color: #e85d3b;
    background: #fff5f2;
}

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

.sbn-sidebar-option.sbn-option-active:hover {
    background: #d1502f;
    border-color: #d1502f;
    color: white;
}

/* Clear filters button */
.sbn-clear-filters-btn {
    width: 100%;
    padding: 10px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: white;
    color: #718096;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 8px;
}

.sbn-clear-filters-btn:hover {
    border-color: #e85d3b;
    color: #e85d3b;
    background: #fff5f2;
}

/* Scrollbar styling for sidebar */
.sbn-filter-sidebar::-webkit-scrollbar {
    width: 4px;
}

.sbn-filter-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sbn-filter-sidebar::-webkit-scrollbar-thumb {
    background: #cbd5e0;
    border-radius: 2px;
}

.sbn-filter-sidebar::-webkit-scrollbar-thumb:hover {
    background: #a0aec0;
}

/* ==============================================
   SEARCH STATUS
   ============================================== */

/* ==============================================
   VOICING COUNT BAR
   ============================================== */

.sbn-search-status {
    margin-bottom: 24px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 8px 4px;
    transition: opacity 0.2s ease;
}

.sbn-count-bar {
    display: flex;
    justify-content: center;
    gap: 15px;  
    align-items: center;
    padding: 6px 0;
}

.sbn-count-text {
    font-size: 14px;
    color: #718096;
}

.sbn-count-text strong {
    color: #1a202c;
}

.sbn-count-clear {
    border: 1px solid #e2e8f0;
    background: none;
    color: #718096;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: all 0.15s;
}

.sbn-count-clear:hover {
    color: #e85d3b;
    background: #fff5f2;
}

.sbn-status-loading {
    text-align: center;
    padding: 8px;
    color: #718096;
    font-size: 15px;
}

.sbn-status-loading::before {
    content: "";
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #cbd5e0;
    border-top-color: #e85d3b;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 12px;
    vertical-align: middle;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.sbn-edu-panel {
    margin-bottom: 24px;
 /*   min-height: 160px; /* Fixed minimum — prevents grid from jumping */ */
}

.sbn-edu-content {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 28px 32px;
    transition: opacity 0.2s ease;
}

.sbn-edu-content.sbn-edu-fading {
    opacity: 0;
}

/* Welcome state (default) */
.sbn-edu-welcome h3 {
    margin: 0 0 20px 0;
    font-size: 18px;
    font-weight: 700;
    color: #1a202c;
}

.sbn-edu-welcome-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.sbn-edu-welcome-section h4 {
    margin: 0 0 8px 0;
    font-size: 14px;
    font-weight: 700;
    color: #e85d3b;
}

.sbn-edu-welcome-section p {
    margin: 0;
    font-size: 13px;
    line-height: 1.65;
    color: #4a5568;
}

/* Contextual sections grid */
.sbn-edu-grid {
    display: grid;
    gap: 24px;
}

.sbn-edu-grid.sbn-edu-cols-1 {
    grid-template-columns: 1fr;
}

.sbn-edu-grid.sbn-edu-cols-2 {
    grid-template-columns: 1fr 1fr;
}

.sbn-edu-grid.sbn-edu-cols-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.sbn-edu-grid.sbn-edu-cols-4 {
    grid-template-columns: 1fr 1fr 1fr 1fr;
}

/* Individual section */
.sbn-edu-section {
    padding: 0;
}

.sbn-edu-section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.sbn-edu-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1;
}

/* Badge colors by type */
.sbn-edu-quality .sbn-edu-badge {
    background: #fff5f2;
    color: #e85d3b;
}

.sbn-edu-voicing .sbn-edu-badge {
    background: #ebf8ff;
    color: #3182ce;
}

.sbn-edu-inversion .sbn-edu-badge {
    background: #f0fff4;
    color: #38a169;
}

.sbn-edu-extension .sbn-edu-badge {
    background: #faf5ff;
    color: #805ad5;
}

.sbn-edu-section h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: #1a202c;
}

.sbn-edu-intervals {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 12px;
    color: #718096;
    background: #f7fafc;
    padding: 3px 10px;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
}

.sbn-edu-section p {
    margin: 0 0 8px 0;
    font-size: 13px;
    line-height: 1.65;
    color: #4a5568;
}

.sbn-edu-section p:last-child {
    margin-bottom: 0;
}

.sbn-edu-usage,
.sbn-edu-tip,
.sbn-edu-context {
    font-size: 12px !important;
    color: #718096 !important;
    padding-top: 4px;
    border-top: 1px solid #f1f5f9;
}

/* Multi-section separator */
.sbn-edu-grid.sbn-edu-cols-2 .sbn-edu-section:not(:first-child),
.sbn-edu-grid.sbn-edu-cols-3 .sbn-edu-section:not(:first-child),
.sbn-edu-grid.sbn-edu-cols-4 .sbn-edu-section:not(:first-child) {
    border-left: 1px solid #e2e8f0;
    padding-left: 24px;
}

/* Responsive */
@media (max-width: 768px) {
    .sbn-edu-welcome-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .sbn-edu-grid {
        grid-template-columns: 1fr !important;
    }
    
    .sbn-edu-grid .sbn-edu-section:not(:first-child) {
        border-left: none !important;
        padding-left: 0 !important;
        border-top: 1px solid #e2e8f0;
        padding-top: 16px;
    }
    
    .sbn-edu-content {
        padding: 20px;
    }
}

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

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

.sbn-library-grid-title {
    font-size: 18px;
    font-weight: 700;
    color: #1a202c;
    margin: 0 0 16px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid #e2e8f0;
}

.sbn-chords-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 24px;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Filtered card visibility */
.sbn-chord-card.sbn-filtered-out {
    display: none;
}

/* No results message */
#sbn-no-results {
    text-align: center;
    padding: 60px 20px;
    color: #a0aec0;
}

#sbn-no-results h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

/* ==============================================
   CARD STYLES: See sbn-chord-card.css
   (Single source of truth for all chord cards)
   ============================================== */

/* Library-specific: clickable metadata filter triggers */
.sbn-clickable-metadata {
    cursor: pointer;
    transition: color 0.2s;
}

.sbn-clickable-metadata:hover {
    color: #e85d3b;
    text-decoration: none;
}

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

@media (max-width: 1024px) {
    .sbn-chords-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 20px;
    }
    
    /* Stack sidebar below grid on smaller screens */
    .sbn-content-wrapper {
        flex-direction: column;
    }
    
    .sbn-filter-sidebar {
        position: static;
        width: 100%;
        min-width: 100%;
        max-height: none;
        order: -1; /* Sidebar on top when stacked */
        border-radius: 12px;
    }
    
    .sbn-sidebar-options {
        flex-wrap: wrap;
    }
}


@media (max-width: 768px) {
    .sbn-chord-library-main {
        padding: 30px 15px;
    }
    
    .sbn-library-title {
        font-size: 32px;
    }
    
    .sbn-chords-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .sbn-chords-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 12px;
    }
}

/* ============================================================
   POPULARITY INDICATOR
   Shown in modal tag, related voicings mini card
   ============================================================ */

.sbn-pop-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 600;
}

.sbn-pop-dots {
    display: inline-flex;
    gap: 3px;
    align-items: center;
}

.sbn-pop-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #e2e8f0;
    display: inline-block;
    transition: background 0.2s;
}

/* Tier colors for filled dots */
.sbn-pop-occasional .sbn-pop-dot.filled { background: #a0aec0; }
.sbn-pop-common     .sbn-pop-dot.filled { background: #3182ce; }
.sbn-pop-essential  .sbn-pop-dot.filled { background: #e85d3b; }
.sbn-pop-iconic     .sbn-pop-dot.filled { background: #d69e2e; }

.sbn-pop-label {
    font-weight: 700;
    letter-spacing: 0.2px;
}

.sbn-pop-count {
    font-weight: 400;
    color: #718096;
}

/* Tier label colors */
.sbn-pop-occasional .sbn-pop-label { color: #718096; }
.sbn-pop-common     .sbn-pop-label { color: #3182ce; }
.sbn-pop-essential  .sbn-pop-label { color: #e85d3b; }
.sbn-pop-iconic     .sbn-pop-label { color: #d69e2e; }

/* Modal tag inherits the indicator layout */
.sbn-modal-tag-popularity {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border-radius: 20px;
    background: #fffff0;
    border: 1px solid #faf089;
}

/* Related voicings pop — dots only (compact) */
.sbn-modal-related-pop {
    display: flex;
    justify-content: center;
    margin-top: 4px;
}

.sbn-modal-related-pop .sbn-pop-dots {
    gap: 2px;
}

.sbn-modal-related-pop .sbn-pop-dot {
    width: 5px;
    height: 5px;
}

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

.sbn-archetype-panel {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px 28px 20px;
    margin-bottom: 24px;
}

.sbn-archetype-panel-header {
    margin-bottom: 16px;
}

.sbn-archetype-panel-title {
    font-size: 18px;
    font-weight: 700;
    color: #1a202c;
    margin: 0 0 2px 0;
}

.sbn-archetype-panel-subtitle {
    font-size: 13px;
    color: #718096;
    margin: 0;
}

/* ── Top row: the 8 tiles ── */
.sbn-archetype-tiles {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.sbn-archetype-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    padding: 10px 12px 8px;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    min-width: 100px;
    flex: 0 1 auto;
    outline: none;
}

.sbn-archetype-tile:hover {
    border-color: #a0b4cf;
    box-shadow: 0 2px 8px rgba(74, 111, 165, 0.12);
}

.sbn-archetype-tile.active {
    border-color: #4a6fa5;
    background: #f0f5ff;
    box-shadow: 0 3px 12px rgba(74, 111, 165, 0.18);
}

.sbn-archetype-tile-name {
    font-size: 17px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 4px;
    letter-spacing: -0.01em;
}

.sbn-archetype-tile-diagram {
    width: 90px;
}

.sbn-archetype-tile-diagram .sbn-fretboard-mini {
    max-width: 90px;
}

.sbn-tile-expand-hint {
    font-size: 10px;
    color: #a0aec0;
    margin-top: 4px;
    transition: color 0.2s;
}

.sbn-archetype-tile.active .sbn-tile-expand-hint {
    color: #4a6fa5;
}

/* ── Drawer: full-width below tiles, one per family ── */
.sbn-archetype-drawer {
    display: none;
    margin-top: 14px;
    padding: 16px 20px;
    background: #fff;
    border: 1px solid #d2dce8;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: relative;
    /* animation applied via class */
}

.sbn-archetype-drawer.active {
    display: block;
    animation: sbnDrawerOpen 0.25s ease-out;
}

@keyframes sbnDrawerOpen {
    from {
        opacity: 0;
        transform: translateY(-8px);
        max-height: 0;
    }
    to {
        opacity: 1;
        transform: translateY(0);
        max-height: 500px;
    }
}

/* Small arrow pointing up from drawer to active tile */
.sbn-drawer-arrow {
    display: none; /* positioned dynamically by JS */
    position: absolute;
    top: -7px;
    width: 14px;
    height: 14px;
    background: #fff;
    border-top: 1px solid #d2dce8;
    border-left: 1px solid #d2dce8;
    transform: rotate(45deg);
    z-index: 1;
}

.sbn-archetype-drawer.active .sbn-drawer-arrow {
    display: block;
}

/* When swapping between drawers, just fade the content */
.sbn-archetype-drawer.sbn-drawer-swap {
    animation: sbnDrawerSwap 0.2s ease-out;
}

@keyframes sbnDrawerSwap {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.sbn-drawer-label {
    margin-bottom: 12px;
}

.sbn-drawer-label-name {
    font-size: 14px;
    font-weight: 700;
    color: #2d3748;
}

.sbn-drawer-label-hint {
    font-size: 12px;
    color: #a0aec0;
    margin-left: 8px;
    font-style: italic;
}

/* ── Cards row inside the drawer ── */
.sbn-drawer-cards {
    display: flex;
    align-items: center;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.sbn-drawer-card {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 10px 12px 8px;
    min-width: 96px;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
    cursor: pointer;
}

.sbn-drawer-card:hover {
    border-color: #a0b4cf;
    box-shadow: 0 2px 8px rgba(74, 111, 165, 0.12);
    transform: translateY(-1px);
}

/* Parent card in the drawer gets a subtle highlight */
.sbn-drawer-card-parent {
    background: #f7faff;
    border-color: #b8cde0;
}

.sbn-drawer-card-name {
    font-size: 13px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 3px;
    white-space: nowrap;
}

.sbn-drawer-card-diagram {
    width: 82px;
}

.sbn-drawer-card-diagram .sbn-fretboard-mini {
    max-width: 82px;
}

.sbn-drawer-card-badge {
    font-size: 9px;
    font-weight: 600;
    text-transform: uppercase;
    color: #4a6fa5;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

/* Arrow/dot connectors between drawer cards */
.sbn-drawer-connector {
    flex: 0 0 auto;
    font-size: 16px;
    color: #cbd5e0;
    padding: 0 2px;
    user-select: none;
}

/* Hide panel when in search mode */
.sbn-chord-library-redesign.sbn-search-active .sbn-archetype-panel {
    display: none;
}

/* ── Responsive ── */
@media (max-width: 700px) {
    .sbn-archetype-tiles {
        gap: 8px;
    }
    .sbn-archetype-tile {
        min-width: 85px;
        padding: 8px 8px 6px;
    }
    .sbn-archetype-tile-name {
        font-size: 15px;
    }
    .sbn-archetype-tile-diagram {
        width: 78px;
    }
    .sbn-archetype-panel {
        padding: 16px 14px 12px;
    }
    .sbn-drawer-cards {
        gap: 4px;
    }
    .sbn-drawer-card {
        min-width: 78px;
    }
    .sbn-drawer-card-diagram {
        width: 72px;
    }
}