/* Modern Design System for Zpěvník */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
    /* Color Tokens - Light Mode */
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --bg-nav: rgba(255, 255, 255, 0.85);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent: #6366f1;
    --accent-rgb: 99, 102, 241;
    --accent-hover: #4f46e5;
    --border-color: #e2e8f0;
    --chord-color: #e11d48;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.02);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.03), 0 1px 3px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.04), 0 4px 12px -2px rgba(0, 0, 0, 0.02);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.25s ease;
}

[data-bs-theme="dark"] {
    /* Color Tokens - Dark Mode */
    --bg-page: #0a0e17;
    --bg-card: #111827;
    --bg-nav: rgba(17, 24, 39, 0.85);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #818cf8;
    --accent-rgb: 129, 140, 248;
    --accent-hover: #6366f1;
    --border-color: #1f2937;
    --chord-color: #f43f5e;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.1);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.25), 0 1px 3px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.35), 0 6px 16px rgba(0, 0, 0, 0.25);
}

/* Global Styles */
*, *::before, *::after {
    transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease, fill 0.25s ease, stroke 0.25s ease;
}

body {
    background-color: var(--bg-page) !important;
    color: var(--text-primary) !important;
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    color: var(--text-primary);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}
a:hover {
    color: var(--accent-hover);
}

/* Glassmorphism Navbar */
.navbar {
    background-color: var(--bg-nav) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color) !important;
    padding: 16px 0;
    transition: var(--transition);
    z-index: 1200 !important;
}
.navbar .dropdown-menu {
    z-index: 2200 !important;
}
.navbar-brand {
    font-size: 1.4rem;
    letter-spacing: -0.5px;
}
.nav-link {
    font-weight: 600;
    color: var(--text-secondary) !important;
    padding: 8px 16px !important;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
    color: var(--accent) !important;
    background-color: rgba(var(--accent-rgb), 0.08);
}

/* Cards & Layout */
.card {
    background-color: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow) !important;
    transition: var(--transition) !important;
    overflow: hidden;
}
.card:hover {
    box-shadow: var(--shadow-lg) !important;
}
.card-body {
    padding: 24px;
}

/* Song Grid Layout */
.song-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}
.song-card {
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(145deg, var(--bg-card), rgba(var(--accent-rgb), 0.015)) !important;
    border: 1px solid rgba(var(--accent-rgb), 0.08) !important;
}
[data-bs-theme="dark"] .song-card {
    background: linear-gradient(145deg, var(--bg-card), rgba(var(--accent-rgb), 0.03)) !important;
    border: 1px solid rgba(var(--accent-rgb), 0.15) !important;
}
.song-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent) !important;
    box-shadow: var(--shadow-lg) !important;
}
.song-card .song-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}
.song-card .song-author {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}
.song-meta-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.meta-tag {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 9999px;
    background-color: rgba(var(--accent-rgb), 0.08);
    color: var(--accent);
    border: 1px solid rgba(var(--accent-rgb), 0.15);
}
.meta-tag.tempo {
    background-color: rgba(245, 158, 11, 0.08);
    color: #d97706;
    border-color: rgba(245, 158, 11, 0.15);
}

/* Beautiful Form Controls */
.form-control {
    background-color: var(--bg-card) !important;
    border: 1.5px solid var(--border-color) !important;
    border-radius: var(--radius-sm) !important;
    color: var(--text-primary) !important;
    padding: 12px 16px !important;
    font-size: 0.95rem !important;
    transition: var(--transition) !important;
}
.form-control:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15) !important;
    outline: 0;
}
.form-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

/* Buttons */
.btn {
    font-weight: 600 !important;
    padding: 10px 20px !important;
    border-radius: var(--radius-sm) !important;
    transition: var(--transition) !important;
}
.btn-primary {
    background-color: var(--accent) !important;
    border-color: var(--accent) !important;
    color: #ffffff !important;
}
.btn-primary:hover {
    background-color: var(--accent-hover) !important;
    border-color: var(--accent-hover) !important;
}
.btn-outline-secondary {
    border: none !important;
    background-color: rgba(var(--accent-rgb), 0.06) !important;
    color: var(--text-secondary) !important;
}
.btn-outline-secondary:hover {
    background-color: rgba(var(--accent-rgb), 0.12) !important;
    color: var(--accent) !important;
    transform: translateY(-1px);
}

/* Minimalist Button Styling */
.btn-minimal {
    background-color: transparent !important;
    border: 1px solid transparent !important;
    color: var(--text-secondary) !important;
    font-weight: 500 !important;
    font-size: 0.9rem !important;
    padding: 6px 14px !important;
    box-shadow: none !important;
    transition: var(--transition);
}

.btn-minimal:hover {
    background-color: rgba(var(--accent-rgb), 0.04) !important;
    border-color: rgba(var(--accent-rgb), 0.3) !important;
    color: var(--accent) !important;
}

.btn-minimal.active, .btn-minimal:active, .btn-minimal.show {
    background-color: rgba(var(--accent-rgb), 0.08) !important;
    border-color: var(--accent) !important;
    color: var(--accent) !important;
}
.btn-outline-info {
    border: none !important;
    background-color: rgba(13, 202, 240, 0.08) !important;
    color: #0dcaf0 !important;
}
.btn-outline-info:hover {
    background-color: rgba(13, 202, 240, 0.15) !important;
    transform: translateY(-1px);
}
.btn-outline-warning {
    border: none !important;
    background-color: rgba(245, 158, 11, 0.08) !important;
    color: #f59e0b !important;
}
.btn-outline-warning:hover {
    background-color: rgba(245, 158, 11, 0.15) !important;
    transform: translateY(-1px);
}

/* Lyrics & Chords Styling */
.lyrics-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 32px;
}
#lyricsContainer {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 1.15rem;
    line-height: 2.2;
    white-space: pre;
    overflow-x: auto;
    color: var(--text-primary);
}
.lyric-line {
    position: relative;
    margin-bottom: 4px;
    min-height: 1.8em;
}
.chord-wrap {
    position: relative;
    display: inline-block;
}
.chord {
    position: absolute;
    top: -1.25em;
    left: 0;
    color: var(--chord-color) !important;
    font-family: 'Plus Jakarta Sans', sans-serif !important;
    font-weight: 800;
    font-size: 0.82em;
    background-color: transparent;
    padding: 0;
    user-select: none;
    pointer-events: none;
}

/* Autoscroll Floating Widget */
.autoscroll-widget {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    box-shadow: var(--shadow-lg);
    padding: 6px 12px 6px 6px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 12px;
}
.autoscroll-widget input[type="range"] {
    width: 90px;
    height: 6px;
    border-radius: 9999px;
    accent-color: var(--accent);
}

/* Metronome Visual Pulse */
.metronome-pulse {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #10b981;
    margin-left: 6px;
    opacity: 0.3;
}
.metronome-pulse.pulse-active {
    animation: pulse-glow 0.15s ease-out;
}
@keyframes pulse-glow {
    0% { transform: scale(1); opacity: 0.3; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    50% { transform: scale(1.4); opacity: 1; box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { transform: scale(1); opacity: 0.3; }
}

/* Mode toggler button */
.bd-mode-toggle button {
    background-color: var(--accent) !important;
    border-color: var(--accent) !important;
    color: #fff !important;
    transition: var(--transition);
}
.bd-mode-toggle button:hover {
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(var(--accent-rgb), 0.5) !important;
}

/* Styling custom chord diagrams */
.chord-svg {
    color: var(--text-primary);
}
.chord-box {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color) !important;
    background-color: var(--bg-page) !important;
    padding: 16px;
    transition: var(--transition);
}
.chord-box:hover {
    transform: scale(1.03);
    border-color: rgba(var(--accent-rgb), 0.3) !important;
}

/* Modals styling */
.modal-content {
    background-color: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow-lg) !important;
}
.modal-header {
    border-bottom: 1px solid var(--border-color) !important;
    padding: 20px 24px !important;
}
.modal-footer {
    border-top: 1px solid var(--border-color) !important;
    padding: 16px 24px !important;
}
.modal-title {
    font-weight: 700;
}

/* Footer styling */
footer {
    background-color: var(--bg-page) !important;
    border-top: 1px solid var(--border-color) !important;
    color: var(--text-secondary);
    padding: 24px 0 !important;
}

/* Transpose Button Modern Styling */
.btn-key {
    min-width: 36px;
    font-size: 0.82rem !important;
    padding: 4px 6px !important;
    border: none !important;
    border-radius: var(--radius-sm) !important;
    background-color: rgba(var(--accent-rgb), 0.05) !important;
    color: var(--text-secondary) !important;
    transition: var(--transition) !important;
}
.btn-key:hover {
    background-color: rgba(var(--accent-rgb), 0.12) !important;
    color: var(--accent) !important;
}
.btn-key.btn-primary {
    background-color: var(--accent) !important;
    color: #ffffff !important;
}

/* List View Table Styling */
#songsListTable {
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1.5px solid var(--border-color) !important;
    background-color: var(--bg-card) !important;
}

#songsListTable table {
    margin-bottom: 0;
}

#songsListTable th {
    background-color: var(--bg-card);
    border-bottom: 2px solid var(--border-color);
}

#songsListTable td {
    background-color: var(--bg-card);
    transition: background-color 0.2s ease;
    border-bottom: 1.5px solid var(--border-color);
}

#songsListTable tr:last-child td {
    border-bottom: 0 !important;
}

#songsListTable tr:hover td {
    background-color: rgba(var(--accent-rgb), 0.03) !important;
}

#songsListTable th a {
    color: var(--text-primary) !important;
    font-weight: 700;
}

#songsListTable th a:hover {
    color: var(--accent) !important;
}

/* Pagination Custom Styles */
.pagination {
    border: none !important;
    gap: 6px;
    background: transparent !important;
}

.pagination .page-item {
    margin: 0;
}

.pagination .page-link {
    border: 1px solid var(--border-color) !important;
    background-color: var(--bg-card) !important;
    color: var(--text-secondary) !important;
    border-radius: var(--radius-sm) !important;
    min-width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px !important;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
}

.pagination .page-item.active .page-link {
    background-color: rgba(var(--accent-rgb), 0.08) !important;
    border-color: var(--accent) !important;
    color: var(--accent) !important;
}

.pagination .page-item:not(.active):not(.disabled) .page-link:hover {
    background-color: rgba(var(--accent-rgb), 0.04) !important;
    border-color: rgba(var(--accent-rgb), 0.3) !important;
    color: var(--accent) !important;
}

.pagination .page-item.disabled .page-link {
    background-color: transparent !important;
    border-color: transparent !important;
    color: var(--text-muted) !important;
    opacity: 0.5;
}

/* Admin Action & Settings Icon Buttons */
.btn-admin-action {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: none !important;
    transition: var(--transition);
    padding: 0 !important;
    cursor: pointer;
}

.btn-admin-edit {
    background-color: rgba(var(--accent-rgb), 0.08) !important;
    color: var(--accent) !important;
}

.btn-admin-edit:hover {
    background-color: var(--accent) !important;
    color: #ffffff !important;
    transform: translateY(-1px);
}

.btn-admin-delete {
    background-color: rgba(220, 53, 69, 0.08) !important;
    color: #dc3545 !important;
}

.btn-admin-delete:hover {
    background-color: #dc3545 !important;
    color: #ffffff !important;
    transform: translateY(-1px);
}

/* Explicit button sizes to prevent global override issues */
.btn-sm {
    padding: 6px 12px !important;
    font-size: 0.85rem !important;
}

.btn-settings-icon {
    width: 42px !important;
    height: 42px !important;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: var(--radius-sm) !important;
}

.btn-settings-icon svg {
    display: block !important;
    margin: 0 !important;
}

/* Custom Chord Selector Button Styles */
.btn-chord-select {
    background-color: rgba(var(--accent-rgb), 0.05) !important;
    color: var(--text-secondary) !important;
    border: 1px solid var(--border-color) !important;
    transition: var(--transition) !important;
}

.btn-chord-select:hover {
    background-color: rgba(var(--accent-rgb), 0.12) !important;
    border-color: rgba(var(--accent-rgb), 0.3) !important;
    color: var(--accent) !important;
}

.btn-check:checked + .btn-chord-select {
    background-color: var(--accent) !important;
    color: #ffffff !important;
    border-color: var(--accent) !important;
}

/* Active Radio Button Highlighting */
.btn-check:checked + .btn-outline-secondary {
    background-color: var(--accent) !important;
    color: #ffffff !important;
    border-color: var(--accent) !important;
}

/* Custom Search Button styling */
.btn-search-custom {
    background-color: var(--accent) !important;
    color: #ffffff !important;
    border: none !important;
    border-radius: var(--radius-sm);
    font-weight: 500;
    padding: 0.5rem 1.25rem !important;
    transition: var(--transition);
}

.btn-search-custom:hover {
    background-color: rgba(var(--accent-rgb), 0.85) !important;
    color: #ffffff !important;
    transform: translateY(-1px);
}

/* ChordPro Rendering Blocks - Normal Mode */
.chordpro-block {
    padding: 12px 16px !important;
    margin: 12px 0 !important;
    border-left: 4px solid transparent;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    line-height: 2.0;
}

.chordpro-verse {
    border-left-color: var(--text-muted) !important;
    background-color: rgba(var(--accent-rgb), 0.015);
}

.chordpro-chorus {
    border-left-color: var(--accent) !important;
    background-color: rgba(var(--accent-rgb), 0.08);
}

.chordpro-bridge {
    border-left-color: #f59e0b !important; /* warning amber */
    background-color: rgba(245, 158, 11, 0.04);
}

.chordpro-text {
    border-left-color: var(--border-color) !important;
    background-color: transparent;
}

.chordpro-comment {
    border-left-color: var(--accent) !important;
    background-color: transparent !important;
}

.text-accent {
    color: var(--accent) !important;
}

.text-amber {
    color: #f59e0b !important;
}

/* ChordPro Rendering Blocks - Minimalistic Mode */
.chordpro-block-minimal {
    padding: 0 !important;
    margin: 12px 0 !important;
    border-left: none !important;
    background-color: transparent !important;
    line-height: 2.0;
}

.chordpro-label-minimal {
    font-weight: normal !important;
    font-style: normal !important;
    color: var(--text-secondary) !important;
    margin-bottom: 4px !important;
}

.chordpro-comment-minimal {
    font-weight: normal !important;
    font-style: normal !important;
    color: var(--text-secondary) !important;
}

/* Single coloring override for minimalistic chords and text */
.minimalistic-mode .chord {
    color: var(--text-secondary) !important; /* single coloring for chords */
}

.minimalistic-mode .text-primary {
    color: var(--text-primary) !important;
}

/* Custom styling for nav-pills to improve contrast and look premium */
.nav-pills .nav-link {
    color: var(--text-secondary) !important;
    transition: var(--transition);
}
.nav-pills .nav-link.active {
    background-color: var(--accent) !important;
    color: #ffffff !important;
    font-weight: 700;
}
.nav-pills .nav-link:hover:not(.active) {
    background-color: rgba(var(--accent-rgb), 0.08) !important;
    color: var(--accent) !important;
}

/* Kompaktní akordy pro plynulý zástup */
.lyric-line {
    line-height: 2.4; 
    min-height: 1.2em;
}
.chord-wrap {
    position: relative;
    display: inline-block;
}
.chord {
    position: absolute;
    top: -1.25em;
    left: 0;
    color: #dc3545;
    font-weight: 800;
    font-size: 0.85em;
    font-family: Arial, Helvetica, sans-serif;
    background-color: transparent;
    padding: 0;
}
[data-bs-theme="dark"] .chord {
    color: #ff6b7a;
}