/* ==========================================================================
   BAND CHORD PRO - STAGE & STUDIO MODERN DARK THEME
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Ubuntu+Mono:ital,wght@0,400;0,700;1,400&display=swap');

:root {
    /* Palette Terinspirasi dari Logo Resmi ACOT BAND */
    --bg-main: #0a111c;           /* Deep Midnight Navy */
    --bg-surface: #0f1929;        /* Rich Navy Surface */
    --bg-card: #142236;           /* Navy Slate Card */
    --bg-card-hover: #192b45;     /* Elevated Card Hover */
    --bg-elevated: #1f3454;       /* Highlight Panel */
    
    --border-color: #213654;
    --border-highlight: #355380;

    --text-primary: #f8fafc;
    --text-secondary: #9db2ce;
    --text-muted: #647b9b;

    /* ACOT Brand Colors */
    --color-accent: #f05537;      /* Sunset Terracotta / Coral khas ACOT BAND */
    --color-accent-hover: #ff6e4e;
    --color-accent-glow: rgba(240, 85, 55, 0.35);

    --color-chord: #ffa726;       /* Warm Golden Amber khas notasi & bintang vintage logo */
    --color-chord-glow: rgba(255, 167, 38, 0.25);

    --color-warning: #f8a735;     /* Amber Gold untuk Capo / Attention */
    --color-cream: #faecd0;       /* Vintage Ivory Cream */
    --color-danger: #ef4444;      /* Crimson Red */
    --color-success: #10b981;     /* Emerald Success */

    --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Ubuntu Mono', 'JetBrains Mono', Consolas, Monaco, monospace;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.6);
}

/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-ui);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    touch-action: manipulation;
}

/* Helpers */
.hidden {
    display: none !important;
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.app-header {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.brand-logo-img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-accent);
    box-shadow: 0 0 16px var(--color-accent-glow);
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease;
    flex-shrink: 0;
}

.brand-logo:hover .brand-logo-img {
    transform: scale(1.08) rotate(4deg);
    box-shadow: 0 0 24px rgba(240, 85, 55, 0.6);
}

.brand-name {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.15;
}

.brand-title {
    font-size: 1.25rem;
    font-weight: 900;
    letter-spacing: 0.5px;
    color: #ffffff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.brand-tagline {
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 1.2px;
    color: var(--color-chord);
    text-transform: uppercase;
}

.brand-badge {
    background-color: rgba(240, 85, 55, 0.15);
    color: var(--color-accent);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid rgba(240, 85, 55, 0.35);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Search Bar */
.search-wrapper {
    position: relative;
    width: 240px;
}

.search-input {
    width: 100%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    padding: 8px 14px 8px 36px;
    font-size: 0.875rem;
    color: var(--text-primary);
    outline: none;
    transition: all 0.2s ease;
}

.search-input:focus {
    border-color: var(--color-accent);
    background-color: var(--bg-elevated);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
    text-decoration: none;
    line-height: 1.2;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), #d84323);
    color: #ffffff;
    border-color: var(--color-accent);
    font-weight: 700;
    box-shadow: 0 4px 14px var(--color-accent-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-accent-hover), var(--color-accent));
    box-shadow: 0 6px 20px rgba(240, 85, 55, 0.5);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-elevated);
    border-color: var(--border-highlight);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--border-highlight);
}

.icon-btn {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background-color: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
}

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

.icon-btn-danger:hover {
    color: var(--color-danger);
    border-color: var(--color-danger);
    background-color: rgba(255, 82, 82, 0.1);
}

/* ==========================================================================
   ALERTS
   ========================================================================== */
.alert-banner {
    background-color: #3b1818;
    border-bottom: 1px solid #702626;
    color: #fca5a5;
    padding: 12px 16px;
    font-size: 0.875rem;
}

.alert-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ==========================================================================
   MAIN LAYOUT & VOCALIST TABS
   ========================================================================== */
.main-wrapper {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 14px 100px;
    box-sizing: border-box;
    overflow-x: hidden;
}

#songListView {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.tabs-wrapper {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 20px;
    padding-bottom: 4px;
    scrollbar-width: none;
}
.tabs-wrapper::-webkit-scrollbar {
    display: none;
}

.vocalist-tabs {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: max-content;
}

.tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-full);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border-highlight);
}

.tab-btn.active {
    background-color: var(--bg-elevated);
    border-color: var(--color-accent);
    color: #ffffff;
    box-shadow: 0 0 14px var(--color-accent-glow);
}

.vocalist-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.tab-count {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: var(--radius-full);
}

.tab-btn.active .tab-count {
    background-color: rgba(240, 85, 55, 0.25);
    color: var(--color-chord);
}

.tab-btn-add {
    border-style: dashed;
    color: var(--text-muted);
}
.tab-btn-add:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ==========================================================================
   SONG LIST & CARDS
   ========================================================================== */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.section-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.song-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
    gap: 14px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.song-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    width: 100%;
    max-width: 100%;
    min-width: 0; /* Mencegah overflow horizontal pada flex/grid */
    box-sizing: border-box;
    overflow: hidden;
}

.song-card:hover {
    background-color: var(--bg-card);
    border-color: var(--border-highlight);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.song-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.song-main-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.song-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    word-break: break-word;
    overflow-wrap: break-word;
}

.song-artist {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 2px;
    word-break: break-word;
    overflow-wrap: break-word;
}

.song-badges {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    flex-shrink: 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.badge-key {
    background-color: rgba(240, 85, 55, 0.15);
    color: var(--color-accent);
    border: 1px solid rgba(240, 85, 55, 0.35);
}

.badge-bpm {
    background-color: rgba(255, 214, 0, 0.15);
    color: var(--color-warning);
    border: 1px solid rgba(255, 214, 0, 0.3);
}

.song-capo-tag {
    font-size: 0.75rem;
    color: var(--color-warning);
    display: flex;
    align-items: center;
    gap: 4px;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.song-notes-preview {
    font-size: 0.8rem;
    color: var(--text-muted);
    background-color: rgba(0, 0, 0, 0.25);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    border-left: 2px solid var(--border-highlight);
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    word-break: break-word;
}

.song-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 10px;
    margin-top: auto;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
    gap: 10px;
}

.song-vocalist-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

.vocalist-chip {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    border: 1px solid;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background-color: rgba(255, 255, 255, 0.03);
    white-space: nowrap;
}

.chip-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.vocalist-chip.unassigned {
    border-color: var(--border-color);
    color: var(--text-muted);
}

.song-card-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    background-color: var(--bg-surface);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-lg);
}

.empty-icon {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================================================
   CHORD VIEWER (STAGE / PERFORMANCE MODE)
   ========================================================================== */
.chord-viewer {
    max-width: 860px;
    margin: 0 auto;
    padding-bottom: 120px;
}

/* Top Toolbar */
.viewer-topbar {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.viewer-header-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 14px;
}

.btn-back {
    height: 38px;
    padding: 0 14px;
    border-radius: var(--radius-full);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.viewer-song-info {
    flex: 1;
    min-width: 0;
}

.viewer-title {
    font-size: 1.45rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.25;
    letter-spacing: -0.3px;
    word-break: break-word;
}

.viewer-subtitle-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
    flex-wrap: wrap;
}

.viewer-artist {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.viewer-vocalist-badge .vocalist-pill {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    border: 1px solid;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ==========================================================================
   MODULAR CONTROL RACK (UNIFORM HEIGHT & PRO ALIGNMENT)
   ========================================================================== */
.viewer-controls-rack {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px 18px;
    border-top: 1px solid var(--border-color);
    padding-top: 14px;
}

.rack-group {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.rack-label {
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    text-transform: uppercase;
    user-select: none;
    white-space: nowrap;
}

.rack-controls {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Tombol seragam di dalam control rack (Semua tinggi 38px presisi) */
.btn-rack {
    height: 38px;
    padding: 0 12px;
    font-size: 0.825rem;
    font-weight: 600;
    white-space: nowrap;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    line-height: 1;
    box-sizing: border-box;
}

.btn-save-pref {
    background-color: rgba(255, 214, 0, 0.12);
    color: var(--color-warning);
    border: 1px solid rgba(255, 214, 0, 0.35);
}
.btn-save-pref:hover {
    background-color: rgba(255, 214, 0, 0.22);
    border-color: var(--color-warning);
}

/* Transpose Cluster */
.transpose-box {
    height: 38px;
    display: inline-flex;
    align-items: center;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2px;
    box-sizing: border-box;
}

.transpose-key-display {
    min-width: 60px;
    text-align: center;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-chord);
    white-space: nowrap;
    padding: 0 4px;
}

.transpose-delta {
    font-size: 0.75rem;
    color: var(--color-warning);
}

.t-btn {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: bold;
    transition: all 0.15s ease;
}
.t-btn:hover {
    background-color: var(--bg-elevated);
    color: var(--color-chord);
}

/* Metronome Cluster */
.metronome-cluster {
    height: 38px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    user-select: none;
    box-sizing: border-box;
    transition: all 0.2s ease;
}
.metronome-cluster:hover {
    border-color: var(--border-highlight);
    background-color: var(--bg-elevated);
}
.metronome-cluster.active {
    border-color: var(--color-accent);
    box-shadow: 0 0 12px var(--color-accent-glow);
}

.metronome-led {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #2a3c5a;
    transition: background-color 0.05s ease, box-shadow 0.05s ease;
    flex-shrink: 0;
}

.metronome-led.pulse-primary {
    background-color: var(--color-accent);
    box-shadow: 0 0 12px var(--color-accent);
}

.metronome-led.pulse-secondary {
    background-color: var(--color-chord);
    box-shadow: 0 0 10px var(--color-chord);
}

.metronome-bpm-text {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}

.metronome-beat-tag {
    font-size: 0.72rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.06);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.btn-metro-sound {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 2px;
    border-radius: var(--radius-sm);
    transition: color 0.15s ease;
}
.btn-metro-sound:hover {
    color: var(--text-primary);
}
.btn-metro-sound.sound-on {
    color: var(--color-chord);
}

.font-box {
    padding: 2px;
}
.font-val-display {
    min-width: 44px;
    font-size: 0.8rem;
}

/* Band Notes Banner */
.viewer-notes-banner {
    background-color: rgba(240, 85, 55, 0.1);
    border: 1px solid rgba(240, 85, 55, 0.28);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.875rem;
    color: #ffedd5;
}

.badge-capo-display {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: rgba(255, 214, 0, 0.15);
    border: 1px solid rgba(255, 214, 0, 0.35);
    color: var(--color-warning);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
}

/* ==========================================================================
   CHORD SHEET MONOSPACE CONTAINER
   ========================================================================== */
.chord-sheet-container {
    background-color: #000000; /* Pure OLED Black untuk panggung */
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    font-family: var(--font-mono);
    line-height: 1.45;
    overflow-x: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
}

.chord-line {
    white-space: pre;
    font-size: inherit;
    min-height: 1.35em;
    font-family: var(--font-mono);
}

.chord-line.empty-line {
    height: 0.85em;
}

.chord-line.chord-row {
    color: var(--color-chord);
    font-weight: 700;
    letter-spacing: 0px;
    margin-bottom: 0px;
    line-height: 1.35;
}

.chord-line.lyric-row {
    color: #f1f5f9;
    font-weight: 400;
    margin-bottom: 14px; /* Memberi jarak nafas lega setelah lirik sebelum chord baris berikutnya */
    line-height: 1.4;
}

.chord-line.section-line {
    margin-top: 16px;
    margin-bottom: 8px;
}

.chord-token {
    color: var(--color-chord);
    font-weight: 700;
    display: inline;
}

.section-badge {
    color: var(--color-accent);
    font-weight: 700;
    background-color: rgba(240, 85, 55, 0.14);
    border: 1px solid rgba(240, 85, 55, 0.35);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    display: inline-block;
}

.badge-capo {
    color: var(--color-warning);
    font-weight: 700;
}

/* ==========================================================================
   FLOATING AUTO-SCROLL TOOLBAR
   ========================================================================== */
.floating-scroll-bar {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(15, 25, 41, 0.94);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-full);
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
    z-index: 999;
}

.floating-play-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent), #d84323);
    color: #fff;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 0 18px var(--color-accent-glow);
    transition: all 0.2s ease;
}

.floating-play-btn:hover {
    transform: scale(1.06);
    box-shadow: 0 0 24px rgba(240, 85, 55, 0.6);
}

.floating-play-btn.active {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #fff;
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
}

.scroll-speed-controller {
    display: flex;
    align-items: center;
    gap: 6px;
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    padding: 3px 8px;
}

.speed-step-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
.speed-step-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.speed-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    min-width: 60px;
    text-align: center;
}

/* ==========================================================================
   MODALS
   ========================================================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
}

.modal-dialog {
    position: relative;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 680px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
}
.modal-close-btn:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
}

/* Custom Confirm & Alert Dialog */
.modal-dialog-confirm {
    max-width: 420px;
    text-align: center;
    padding: 28px 24px;
    border-radius: var(--radius-lg);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-highlight);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
    animation: modalPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.confirm-icon-wrapper {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.confirm-icon-wrapper.icon-danger {
    background-color: rgba(255, 82, 82, 0.12);
    color: var(--color-danger);
    border: 1px solid rgba(255, 82, 82, 0.3);
    box-shadow: 0 0 20px rgba(255, 82, 82, 0.2);
}

.confirm-icon-wrapper.icon-warning {
    background-color: rgba(255, 214, 0, 0.12);
    color: var(--color-warning);
    border: 1px solid rgba(255, 214, 0, 0.3);
    box-shadow: 0 0 20px rgba(255, 214, 0, 0.2);
}

.confirm-icon-wrapper.icon-info {
    background-color: rgba(240, 85, 55, 0.15);
    color: var(--color-accent);
    border: 1px solid rgba(240, 85, 55, 0.35);
    box-shadow: 0 0 20px var(--color-accent-glow);
}

.confirm-dialog-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
}

.confirm-dialog-message {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 24px;
    word-break: break-word;
}

.confirm-dialog-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    width: 100%;
}

.confirm-dialog-actions .btn {
    flex: 1;
    height: 42px;
    font-size: 0.9rem;
}

.btn-danger-action {
    background-color: var(--color-danger);
    color: #fff;
    border-color: var(--color-danger);
    font-weight: 700;
}

.btn-danger-action:hover {
    background-color: #d32f2f;
    box-shadow: 0 0 16px rgba(255, 82, 82, 0.4);
}

/* Form Groups */
.form-group {
    margin-bottom: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    font-size: 0.9rem;
    color: var(--text-primary);
    font-family: var(--font-ui);
    outline: none;
    transition: border-color 0.2s ease;
}

.form-input:focus, .form-textarea:focus {
    border-color: var(--color-chord);
}

.form-textarea-mono {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.4;
    white-space: pre;
    tab-size: 4;
}

.form-help {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.form-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 6px;
}

.voc-quick-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-text-action {
    background: transparent;
    border: none;
    color: var(--color-accent);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: var(--radius-sm);
    transition: color 0.15s ease;
}
.btn-text-action:hover {
    color: #38bdf8;
    text-decoration: underline;
}

.action-divider {
    color: var(--text-muted);
    font-size: 0.7rem;
}

.vocalist-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 6px;
    margin-bottom: 10px;
}

.checkbox-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-card);
    border: 1.5px solid var(--border-color);
    padding: 7px 14px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
    transition: all 0.2s ease;
}

.checkbox-pill:hover {
    border-color: var(--border-highlight);
    background-color: var(--bg-elevated);
}

.checkbox-pill.active {
    background-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.3);
}

.checkbox-pill input[type="checkbox"] {
    cursor: pointer;
    width: 15px;
    height: 15px;
    accent-color: var(--color-chord);
}

.pill-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Inline Quick Add Vocalist */
.quick-add-voc-container {
    margin-top: 8px;
}

.btn-quick-add-voc {
    background: transparent;
    border: 1px dashed var(--border-color);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}
.btn-quick-add-voc:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background-color: rgba(240, 85, 55, 0.08);
}

.quick-add-voc-box {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    background-color: var(--bg-elevated);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.quick-input {
    height: 36px;
    padding: 6px 10px;
    font-size: 0.85rem;
    flex: 1;
}

.quick-color-input {
    width: 36px;
    height: 36px;
    padding: 2px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    cursor: pointer;
    flex-shrink: 0;
}

/* Vocalist Manager in Modal */
.vocalist-manage-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
}

.vocalist-manage-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.vocalist-manage-count {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */
.app-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 0.875rem;
    z-index: 2000;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.25s ease;
    pointer-events: none;
    max-width: 360px;
}

.app-toast.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.app-toast.success {
    border-color: var(--color-chord);
    border-left-width: 4px;
}

.app-toast.error {
    border-color: var(--color-danger);
    border-left-width: 4px;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (HP & TABLET STAND MIC)
   ========================================================================== */
@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
    }

    .search-wrapper {
        order: 3;
        width: 100%;
        margin-top: 6px;
    }

    .song-grid {
        grid-template-columns: 1fr;
    }

    .viewer-topbar {
        padding: 12px 10px;
    }

    /* Header Navigasi & Info Lagu: Tata letak rapi, judul dapat ruang penuh */
    .viewer-header-row {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        margin-bottom: 12px;
    }

    .btn-back {
        align-self: flex-start;
        height: 34px;
        padding: 0 12px;
        font-size: 0.8rem;
    }

    .viewer-song-info {
        width: 100%;
    }

    .viewer-title {
        font-size: 1.3rem;
        line-height: 1.25;
    }

    .viewer-subtitle-row {
        gap: 6px 8px;
        margin-top: 6px;
    }

    /* Modular Rack di HP: Label di atas kontrol, tombol dapat lebar penuh sehingga tidak kepotong */
    .viewer-controls-rack {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding-top: 12px;
        border-top: 1px solid var(--border-color);
        width: 100%;
        box-sizing: border-box;
    }

    .rack-group {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
        box-sizing: border-box;
    }

    .rack-label {
        font-size: 0.65rem;
        font-weight: 800;
        letter-spacing: 0.8px;
        color: var(--text-muted);
        text-transform: uppercase;
    }

    .rack-controls {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 6px;
        box-sizing: border-box;
    }

    /* Group NADA: Tombol simpan dan reset pas di baris yang sama */
    .rack-controls .btn-rack {
        flex: 1 1 auto;
        min-width: 0;
        padding: 0 10px;
        font-size: 0.8rem;
        height: 38px;
    }

    .transpose-box {
        flex-shrink: 0;
    }

    /* Group TEMPO: Metronome cluster mengisi lebar dengan proporsional */
    .metronome-cluster {
        width: 100%;
        justify-content: space-between;
        padding: 0 12px;
        box-sizing: border-box;
    }

    /* Group PANGGUNG: Tombol auto scroll, mode lirik & font zoom tidak akan kepotong */
    .font-zoom-rack {
        flex-shrink: 0;
    }

    .chord-sheet-container {
        padding: 16px 10px;
    }

    .floating-scroll-bar {
        bottom: 12px;
        width: calc(100% - 24px);
        justify-content: space-between;
    }
}