* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Remove tap highlight on touch devices - we'll add custom feedback */
    * {
        -webkit-tap-highlight-color: transparent;
        -webkit-touch-callout: none;
    }
    
    /* Prevent context menu on sortable items during press-and-hold */
    .sortable-item {
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
    }
    
    /* Larger touch targets */
    button,
    .btn,
    .nav-tab,
    a {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Checkboxes need different sizing - don't make them huge */
    input[type="checkbox"] {
        min-height: 22px;
        min-width: 22px;
    }
    
    /* Improve button press feedback */
    button:active,
    .btn:active,
    .nav-tab:active,
    .sortable-item:active,
    .album-card:active,
    .cross-song-card:active {
        transform: scale(0.97);
        opacity: 0.9;
    }
    
    /* Prevent text selection during drag */
    .sortable-item,
    .album-card,
    .cross-song-card {
        -webkit-user-select: none;
        user-select: none;
    }
}

:root {
    --primary-color: #b8860b;
    --secondary-color: #8b7355;
    --accent-color: #d4af37;
    --bg-color: #f5f5dc;
    --card-bg: #ffffff;
    --text-color: #2c2c2c;
    --border-color: #d4c5b9;
    --success-color: #6b8e23;
    --danger-color: #dc143c;
    --warning-bg: #ffe6e6;
    --muted-text: #666666;
    --text-secondary: #757575;
    --secondary-btn: #5a4a38;
    --secondary-btn-hover: #6d5d4a;
    --danger-hover: #b8112b;
    --focus-color: #2196f3;
    
    /* Opacity levels for consistency */
    --opacity-hover: 0.85;
    --opacity-disabled: 0.5;
    --opacity-muted: 0.7;
    
    /* Z-index layers */
    --z-modal: 1000;
    --z-error: 10000;
    
    /* Animation timing */
    --transition-fast: 0.2s;
    --transition-normal: 0.3s;
    --transition-slow: 0.5s;
}

/* Error Container Styles */
.app-error-container {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-color);
    z-index: var(--z-error);
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.error-message {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    max-width: 600px;
    text-align: center;
}

.error-message h2 {
    color: var(--danger-color);
    margin-bottom: 20px;
}

.error-message p {
    margin-bottom: 15px;
    color: var(--text-color);
}

.error-details {
    background: var(--warning-bg);
    padding: 15px;
    border-radius: 8px;
    font-family: monospace;
    font-size: 0.9rem;
    margin: 20px 0;
    color: var(--danger-color);
    word-break: break-word;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    padding: 20px;
    transition: background var(--transition-normal) ease, color var(--transition-normal) ease;
    /* Prevent horizontal scroll */
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 30px 20px;
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h1 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 10px;
}

/* Override for dark card backgrounds - ensure headers are visible */
header h1,
header h2 {
    color: var(--text-color);
}

.subtitle {
    color: var(--secondary-color);
    font-size: 1.2rem;
}

/* Override for dark card backgrounds - ensure subtitle is visible */
header .subtitle {
    color: var(--text-color);
    opacity: var(--opacity-hover);
}

/* Navigation */
.nav-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.nav-tab {
    flex: 1;
    min-width: 150px;
    padding: 15px 20px;
    background: var(--card-bg);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-normal) ease;
}

.nav-tab:hover {
    background: var(--nav-tab-hover);
    color: white;
    transform: translateY(-2px);
}

.nav-tab.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Views */
.view {
    display: none;
}

.view.active {
    display: block;
    animation: fadeIn var(--transition-slow) ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Cards */
.card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.card h2 {
    color: var(--text-color);
    margin-bottom: 20px;
}

.card ol, .card ul {
    margin-left: 20px;
    line-height: 1.8;
}

.card li {
    margin-bottom: 10px;
}

.card.success {
    border: 3px solid var(--success-color);
    text-align: center;
}

.centered-button {
    text-align: center;
    margin-top: 20px;
}

.info-box {
    background: var(--bg-color);
    border-left: 4px solid var(--accent-color);
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: 8px;
    color: var(--text-color);
}

.info-box p {
    margin: 0;
    line-height: 1.6;
    text-align: center;
}

.info-box a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid var(--primary-color);
}

.info-box a:hover {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

/* Hidden file input for import */
.hidden-file-input {
    display: none;
}

/* Settings View */
.settings-section {
    margin-bottom: 30px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

/* Collapsible Header Styles */
.collapsible-header {
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
    transition: background-color var(--transition-fast) ease;
    padding: 5px;
    margin: -5px -5px 15px -5px;
    border-radius: 8px;
}

.collapsible-header:hover {
    background-color: var(--collapsible-header-hover);
    opacity: var(--opacity-muted);
}

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

.collapse-icon {
    font-size: 0.8rem;
    transition: transform var(--transition-normal) ease;
    display: inline-block;
    width: 20px;
    text-align: center;
}

.collapsible-header.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

.collapsible-content {
    overflow: hidden;
    transition: max-height var(--transition-normal) ease, opacity var(--transition-normal) ease;
    max-height: 5000px;
    opacity: 1;
}

.collapsible-content.collapsed {
    max-height: 0;
    opacity: 0;
    margin: 0;
}

.settings-section h3 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.3rem;
}

.settings-section h4 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-color);
}

.quick-select-buttons {
    display: flex;
    gap: 8px;
}

.btn-quick-select {
    padding: 6px 12px;
    font-size: 0.85rem;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
    font-weight: 600;
}

.btn-quick-select:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.settings-group {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.setting-item {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 15px;
    margin-bottom: 10px;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    transition: all var(--transition-normal) ease;
    gap: 10px;
}

.setting-item:hover {
    background: var(--bg-color);
    border-color: var(--primary-color);
    transform: translateX(3px);
}

/* Accessibility fieldsets - hide visual borders while keeping semantic structure */
fieldset {
    border: none;
    margin: 0;
    padding: 0;
}

.setting-item input[type="checkbox"] {
    width: 24px;
    height: 24px;
    margin-right: 15px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.setting-item > label:first-child {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    gap: 15px;
}

.setting-item label {
    cursor: pointer;
}

.setting-item .album-thumbnail {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    flex-shrink: 0;
}

.setting-item .album-info {
    flex: 1;
}

.setting-item .album-name {
    color: var(--text-color);
}

.setting-item .album-details {
    font-size: 0.85rem;
    color: var(--muted-text);
    font-weight: normal;
    margin-top: 3px;
}

.setting-item .conflict-warning {
    color: var(--danger-color);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 5px 10px;
    background: var(--warning-bg);
    border-radius: 5px;
    margin-left: 10px;
}

/* Bonus Tracks Toggle */
.bonus-tracks-toggle {
    display: flex;
    align-items: center;
    margin-left: 40px;
    padding-left: 15px;
    border-left: 3px solid var(--primary-color);
    font-size: 0.9em;
    color: var(--muted-text);
}

.bonus-tracks-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 8px;
}

.bonus-tracks-toggle input[type="checkbox"]:disabled {
    opacity: var(--opacity-disabled);
    cursor: not-allowed;
}

.bonus-label {
    font-style: italic;
    font-weight: normal;
}

/* Expandable Track Selection */
.expand-tracks-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 40px;
    padding: 8px 15px;
    background: transparent;
    border: 2px solid var(--primary-color);
    border-radius: 5px;
    color: var(--primary-color);
    font-size: 0.85em;
    cursor: pointer;
    transition: all var(--transition-fast) ease;
}

.expand-tracks-btn:hover {
    background: var(--primary-color);
    color: white;
}

.expand-icon {
    font-size: 0.8em;
    transition: transform var(--transition-fast) ease;
}

.track-selection-list {
    margin-left: 40px;
    margin-top: 10px;
    padding: 15px;
    background: var(--bg-color);
    border-left: 3px solid var(--primary-color);
    border-radius: 5px;
    transition: opacity var(--transition-fast) ease;
}

.track-list-header {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 0.9em;
}

.track-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    cursor: pointer;
    font-size: 0.9em;
    color: var(--text-color);
    transition: background var(--transition-fast) ease;
}

.track-checkbox-label:hover {
    background: var(--track-item-hover);
    opacity: var(--opacity-muted);
    padding-left: 5px;
    margin-left: -5px;
    border-radius: 3px;
}

.track-checkbox {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* Theme Selector */
.theme-selector-container {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
}

.theme-selector-container label {
    font-weight: 600;
    color: var(--text-color);
}

.theme-select {
    flex: 1;
    max-width: 400px;
    padding: 10px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-bg);
    color: var(--text-color);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
}

.theme-select:hover {
    border-color: var(--primary-color);
}

.theme-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--border-color);
}

.theme-select optgroup {
    font-weight: 700;
    color: var(--text-color);
}

.theme-select option {
    padding: 8px;
    font-weight: 500;
}

/* Theme Modifiers - Toggle Switches */
.theme-modifiers {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.toggle-group {
    display: flex;
    align-items: center;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-color);
    -webkit-user-select: none;
    user-select: none;
}

.toggle-checkbox {
    display: none; /* Hide the default checkbox */
}

.toggle-slider {
    position: relative;
    width: 50px;
    height: 24px;
    background: var(--border-color);
    border-radius: 24px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Checked state */
.toggle-checkbox:checked + .toggle-slider {
    background: var(--primary-color);
}

.toggle-checkbox:checked + .toggle-slider::after {
    transform: translateX(26px);
}

/* Focus state for accessibility */
.toggle-checkbox:focus + .toggle-slider {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode specific styles */
.high-contrast .toggle-slider {
    background: #000000;
    border: 2px solid #FFFFFF;
}

.high-contrast .toggle-checkbox:checked + .toggle-slider {
    background: #FFFF00;
    border: 2px solid #FFFFFF;
}

.high-contrast .toggle-slider::after {
    background: #FFFFFF;
    border: 1px solid #000000;
}

.high-contrast .toggle-checkbox:checked + .toggle-slider::after {
    background: #000000;
    border: 1px solid #FFFF00;
}

/* Responsive design for toggles */
@media (max-width: 768px) {
    .theme-modifiers {
        gap: 12px;
    }
    
    .toggle-label {
        font-size: 0.9rem;
    }
    
    .toggle-slider {
        width: 44px;
        height: 22px;
    }
    
    .toggle-slider::after {
        width: 18px;
        height: 18px;
    }
    
    .toggle-checkbox:checked + .toggle-slider::after {
        transform: translateX(22px);
    }
}

/* Contrast Selector */
.contrast-selector-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.contrast-selector-group label {
    font-weight: 500;
    color: var(--text-color);
    white-space: nowrap;
}

/* Buttons */
.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
    display: inline-block;
    text-decoration: none;
}

/* Make labels with .btn class behave like buttons */
label.btn {
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:disabled,
.btn.disabled {
    opacity: var(--opacity-disabled);
    cursor: not-allowed;
    pointer-events: none;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-btn-hover);
    transform: scale(1.05);
}

.btn-secondary {
    background: var(--secondary-btn);
    color: white;
}

.btn-secondary:hover {
    background: var(--secondary-btn-hover);
}

/* Focus styles for accessibility */
.btn:focus,
.btn:focus-visible,
label.btn:focus,
label.btn:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.btn-primary:focus,
.btn-primary:focus-visible {
    outline-color: var(--primary-color);
}

.btn-secondary:focus,
.btn-secondary:focus-visible,
label.btn.btn-secondary:focus,
label.btn.btn-secondary:focus-visible {
    outline-color: var(--secondary-btn-hover);
}

.btn-danger:focus,
.btn-danger:focus-visible {
    outline-color: var(--danger-color);
}

/* Special handling for file input labels */
label[for="import-file-input"] {
    /* Ensure the label is focusable */
    -webkit-user-select: none;
    user-select: none;
    position: relative;
}

input[type="file"]:focus + label,
input[type="file"]:focus-visible + label,
label[for="import-file-input"]:focus,
label[for="import-file-input"]:focus-visible,
input#import-file-input:focus ~ label,
input#import-file-input:focus-visible ~ label {
    outline: 2px solid var(--secondary-btn-hover) !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 2px var(--secondary-btn-hover) !important;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: var(--danger-hover);
}

.btn-info {
    background: var(--info-color, #3498db);
    color: white;
}

.btn-info:hover {
    background: var(--info-hover, #2980b9);
    transform: scale(1.02);
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Keyboard Shortcuts Styles */
.keyboard-shortcuts-container {
    margin: 10px 0;
}

.keyboard-shortcuts-info {
    margin-top: 10px;
    padding: 15px;
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    animation: fadeIn 0.3s ease-in-out;
}

.keyboard-shortcuts-info.hidden {
    display: none;
}

.shortcuts-content h4 {
    margin-bottom: 10px;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.shortcuts-content p {
    margin-bottom: 8px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.shortcuts-content p:last-child {
    margin-bottom: 0;
}

.shortcuts-list {
    margin-left: 20px;
    margin-bottom: 8px;
}

.shortcuts-list li {
    margin-bottom: 4px;
    color: var(--text-secondary);
}

kbd {
    background: var(--background-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 2px 6px;
    font-family: monospace;
    font-size: 0.9em;
    color: var(--text-primary);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Keyboard shortcut indicators on cards */
.cross-song-card.show-shortcuts::before {
    content: attr(data-shortcut);
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--primary-color);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: bold;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}



.btn-choice {
    width: 100%;
    margin-top: 20px;
}

.button-group {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

#export-results {
    margin-top: 30px;
}

/* Album Controls */
.album-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px 20px;
    background: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    flex-wrap: wrap;
}

.album-controls .toggle-option {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-color);
    font-weight: 600;
}

.album-controls .toggle-option input[type="checkbox"] {
    cursor: pointer;
    width: 20px;
    height: 20px;
    accent-color: var(--primary-color);
}

.album-controls .toggle-option:hover {
    color: var(--primary-color);
}

/* Progress Bar */
.progress-container {
    margin-bottom: 30px;
}

.progress-bar {
    height: 30px;
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: width var(--transition-slow) ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.progress-text {
    text-align: center;
    margin-top: 10px;
    color: var(--muted-text);
    font-weight: 600;
}

/* Stop Suggestion Banner */
.stop-suggestion {
    background: linear-gradient(135deg, #4caf50, #45a049);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stop-suggestion-content {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: white;
}

.stop-suggestion-icon {
    font-size: 24px;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.2);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stop-suggestion-text {
    flex: 1;
}

.stop-suggestion-text strong {
    display: block;
    font-size: 16px;
    margin-bottom: 6px;
}

.stop-suggestion-text p {
    font-size: 14px;
    opacity: 0.95;
    line-height: 1.5;
    margin: 0;
}

.stop-suggestion-dismiss {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 24px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    transition: background var(--transition-fast);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    padding: 0;
}

.stop-suggestion-dismiss:hover {
    background: rgba(255, 255, 255, 0.3);
}

.stop-suggestion-dismiss:active {
    background: rgba(255, 255, 255, 0.4);
}

@media (max-width: 768px) {
    .stop-suggestion {
        padding: 14px 16px;
    }
    
    .stop-suggestion-icon {
        font-size: 20px;
        width: 32px;
        height: 32px;
    }
    
    .stop-suggestion-text strong {
        font-size: 15px;
    }
    
    .stop-suggestion-text p {
        font-size: 13px;
    }
    
    .stop-suggestion-dismiss {
        width: 28px;
        height: 28px;
        font-size: 20px;
    }
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--success-color);
    color: white;
    padding: 15px 25px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    font-weight: 600;
    font-size: 16px;
    z-index: 10000;
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Help text for editable rankings */
.help-text {
    color: var(--text-color);
    opacity: 0.7;
    font-size: 14px;
    margin: 10px 0 20px;
    text-align: center;
}

/* Album Grid */
.album-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.album-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 15px;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
    border: 3px solid transparent;
    text-align: center;
}

.album-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-color);
}

.album-card.completed {
    border-color: var(--success-color);
    background: var(--card-bg);
}

.album-card .album-cover {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    transition: all var(--transition-normal) ease;
}

.album-card:hover .album-cover {
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.35);
    transform: scale(1.02);
}

.album-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.album-card .album-year {
    color: var(--muted-text);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.album-card .song-count {
    color: var(--text-color);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.album-card .status {
    margin-top: 15px;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
}

.album-card .status.complete {
    background: var(--success-color);
    color: white;
}

.album-card .status.pending {
    background: var(--status-pending-bg);
    color: var(--text-color);
}

.reset-album-btn {
    margin-top: 10px;
    padding: 8px 16px;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
}

.reset-album-btn:hover {
    background: var(--danger-hover);
    transform: scale(1.05);
}

/* Ranking Mode Toggle */
.ranking-mode-toggle {
    display: flex;
    gap: 15px;
    margin: 20px 0;
    justify-content: center;
    flex-wrap: wrap;
    border: none;
    padding: 0;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.mode-btn {
    padding: 12px 25px;
    background: var(--card-bg);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-normal) ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mode-btn:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-2px);
}

.mode-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.mode-icon {
    font-size: 1.2rem;
}

/* Drag and Drop Interface */
.instruction-text {
    text-align: center;
    color: var(--secondary-color);
    font-size: 1.1rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.undo-btn {
    display: block;
    margin: 0 auto 15px auto;
    font-size: 0.95rem;
    padding: 8px 16px;
    transition: all var(--transition-normal) ease;
}

.undo-btn:hover {
    transform: scale(1.05);
}

.sortable-list {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    min-height: 400px;
    margin-bottom: 20px;
    /* Add horizontal margins for easier scrolling on mobile */
    padding-left: 30px;
    padding-right: 30px;
}

.sortable-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    margin-bottom: 10px;
    background: linear-gradient(90deg, var(--bg-color), var(--card-bg));
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
    cursor: move;
    transition: all var(--transition-normal) ease;
    -webkit-user-select: none;
    user-select: none;
    position: relative; /* For progress indicator positioning */
    overflow: hidden; /* Contain progress indicator */
}

.sortable-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    background: linear-gradient(90deg, var(--quick-rank-gradient-start), var(--card-bg));
}

.sortable-item.dragging {
    opacity: 0.8;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    cursor: grabbing;
    transition: none !important; /* Disable transitions during drag for instant feedback */
}

/* Visual indicator for press-and-hold activation */
.sortable-item.press-activating::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-color);
    transform-origin: left;
    animation: pressProgress 650ms linear forwards;
    z-index: 10;
    border-radius: 10px 10px 0 0;
}

@keyframes pressProgress {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

.sortable-item.drag-over {
    border-top: 4px solid var(--accent-color);
    margin-top: 20px;
    position: relative;
}

/* Add visual indicator arrow for drop location */
.sortable-item.drag-over::before {
    content: '\25BC'; /* ▼ Down-pointing triangle */
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--accent-color);
    font-size: 1.5rem;
    animation: bounce 0.6s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.sortable-item .drag-handle {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-right: 15px;
    cursor: grab;
    touch-action: none; /* Prevent default touch behavior */
}

.sortable-item .drag-handle:active {
    cursor: grabbing;
}

.sortable-item .rank-number {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    min-width: 50px;
    text-align: center;
}

.sortable-item .song-name {
    flex: 1;
    font-weight: 600;
    font-size: 1.1rem;
}

.sortable-item .song-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sortable-item .listen-btn {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
    white-space: nowrap;
}

.sortable-item .listen-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

.sortable-item .arrow-controls {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.sortable-item .arrow-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    width: 32px;
    height: 32px;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast) ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sortable-item .arrow-btn:hover:not(:disabled) {
    background: var(--accent-color);
    transform: scale(1.1);
}

.sortable-item .arrow-btn:disabled {
    background: var(--border-color);
    cursor: not-allowed;
    opacity: var(--opacity-disabled);
}

.sortable-item.focused {
    outline: 3px solid var(--focus-color);
    outline-offset: 2px;
}

/* Drag and Drop Interface */
#drag-drop-interface {
    margin-bottom: 30px;
}

/* Cross-Album Selection Grid - Base (Default) */
.cross-album-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin: 30px 0;
}

.cross-song-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-normal) ease;
    cursor: pointer;
    border: 2px solid var(--cross-song-card-border);
    text-align: center;
    position: relative;
}

.cross-song-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-color);
}

.cross-song-card .album-badge {
    display: block;
    margin-bottom: 10px;
    padding: 4px 10px;
    background: var(--album-badge-bg);
    color: var(--text-color);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.cross-song-card .album-art {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.cross-song-card .song-title {
    color: var(--primary-color);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1.3;
}

.cross-song-card .song-rank {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-top: 10px;
}

.cross-song-card .listen-btn-cross {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
    margin-top: 15px;
}

.cross-song-card .listen-btn-cross:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

.cross-song-card.selected {
    animation: selectPulse var(--transition-slow) ease;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    color: white;
}

.cross-song-card.selected .song-title {
    color: white;
}

.cross-song-card.selected .album-badge {
    background: white;
    color: var(--primary-color);
}

@keyframes selectPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Comparison Interface */
#comparison-interface {
    margin: 20px 0 30px 0;
}

/* Back to Albums Button */
#back-to-albums {
    margin-top: 20px;
}

.swipe-hint {
    text-align: center;
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin: 10px 0;
    opacity: 0.8;
}

/* Hide swipe hint on desktop (hover-capable devices) */
@media (hover: hover) and (pointer: fine) {
    .swipe-hint,
    .mobile-only-tip {
        display: none;
    }
}

/* Show mobile-only tip on touch devices */
.mobile-only-tip {
    text-align: center;
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin: 10px 0;
    opacity: 0.8;
    background: var(--bg-color);
    padding: 10px;
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
}

/* Hide desktop keyboard instructions on mobile (touch devices) */
@media (hover: none) and (pointer: coarse) {
    #comparison-interface .instruction-text {
        display: none;
    }
}

.comparison-container {
    display: flex;
    gap: 30px;
    align-items: center;
    justify-content: center;
    margin: 30px 0;
    flex-wrap: wrap;
}

.finish-comparisons-btn {
    margin-top: 20px;
}

.song-option {
    flex: 1;
    min-width: 300px;
    max-width: 400px;
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-normal) ease;
    text-align: center;
    touch-action: pan-x; /* Allow horizontal swipe gestures */
    -webkit-user-select: none;
    user-select: none;
    cursor: pointer;
    border: 2px solid var(--song-option-border);
}

.song-option:hover {
    transform: scale(1.03);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.song-option .song-title {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 15px;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.song-option .listen-btn-comparison {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
    margin-bottom: 15px;
}

.song-option .listen-btn-comparison:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

.album-badge {
    display: inline-block;
    padding: 5px 15px;
    background: var(--album-badge-bg);
    color: white;
    border-radius: 15px;
    font-size: 0.85rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.vs-divider {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    padding: 20px;
}

/* Ranked Lists */
.ranked-list {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.ranked-list.large {
    max-height: 70vh;
    overflow-y: auto;
    /* Better scroll snapping behavior */
    scroll-behavior: smooth;
}

.ranked-item {
    display: flex;
    align-items: center;
    padding: 15px;
    margin-bottom: 10px;
    background: linear-gradient(90deg, var(--bg-color), var(--card-bg));
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
    transition: all var(--transition-normal) ease;
}

.ranked-item:hover {
    transform: translateX(5px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.ranked-item .rank {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    min-width: 50px;
    text-align: center;
}

.ranked-item .song-info {
    flex: 1;
}

.ranked-item .song-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.ranked-item .album-name {
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.ranked-item .album-art {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    margin-right: 12px;
    object-fit: cover;
    display: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.ranked-list.show-artwork .ranked-item .album-art {
    display: block;
}

/* Results */
.results-controls {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 15px;
    padding: 0 5px;
}

.results-controls .toggle-option {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-color);
}

.results-controls .toggle-option input[type="checkbox"] {
    cursor: pointer;
}

.results-controls .toggle-option:hover {
    color: var(--primary-color);
}

/* Results */
.results-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.results-tab {
    padding: 12px 25px;
    background: var(--card-bg);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-normal) ease;
}

.results-tab:hover {
    background: var(--nav-tab-hover);
    color: white;
}

.results-tab.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.result-panel {
    display: none;
}

.result-panel.active {
    display: block;
    animation: fadeIn var(--transition-slow) ease;
}

/* Stats Grid */
.album-stats-controls {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.scoring-method-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--card-bg);
    padding: 12px 20px;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.scoring-method-selector label {
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.95rem;
}

.scoring-method-selector select {
    padding: 8px 12px;
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
}

.scoring-method-selector select:hover {
    border-color: var(--accent-color);
}

.scoring-method-selector select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--border-color);
}

.album-stats-hint {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.stat-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
    position: relative;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
}

.stat-card.selected {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

.stat-card .album-art-large {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 10px;
    margin-bottom: 15px;
    object-fit: cover;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.stat-card h3 {
    color: var(--text-color);
    margin-bottom: 10px;
    font-size: 1rem;
}

.stat-card .stat-value {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-card .stat-label {
    color: var(--secondary-color);
    font-size: 0.85rem;
    font-weight: 500;
}

.album-detail-view {
    margin-top: 30px;
    padding: 25px;
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
}

.album-detail-view.hidden {
    display: none;
}

.album-detail-view .btn-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 5px 10px;
    line-height: 1;
    transition: color var(--transition-fast) ease;
}

.album-detail-view .btn-close:hover {
    color: var(--primary-color);
}

.album-detail-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--bg-color);
}

.album-detail-header .album-art-detail {
    width: 120px;
    height: 120px;
    border-radius: 10px;
    object-fit: cover;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.album-detail-info h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.album-detail-info .detail-stat {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 5px;
}

.album-detail-view .ranked-list {
    max-height: 400px;
    overflow-y: auto;
    scroll-behavior: smooth;
}

.album-detail-view .ranked-item {
    margin-bottom: 8px;
}

.album-detail-view h4 {
    margin-top: 0;
}

.stat-list {
    text-align: left;
    margin-top: 15px;
}

.stat-list-item {
    padding: 10px;
    margin-bottom: 8px;
    background: var(--bg-color);
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
}

/* Charts */
canvas {
    max-width: 100%;
    margin: 20px 0;
    background: var(--card-bg);
    padding: 20px;
    border-radius: 15px;
}

/* Changelog Modal */
.changelog-modal {
    max-width: 600px;
    max-height: 80vh;
}

.changelog-modal .modal-actions {
    padding: 20px 30px 30px 30px;
    margin-top: 20px;
    border-top: 1px solid var(--border-color);
}

.current-version-info {
    background: var(--primary-color);
    color: white;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 600;
}

.changelog-content {
    max-height: 45vh;
    overflow-y: auto;
    padding-right: 10px;
    margin-bottom: 0;
}

.changelog-version {
    border-left: 3px solid var(--border-color);
    border-radius: 0 8px 8px 0;
    margin-bottom: 15px;
    overflow: hidden;
}

.changelog-version.current-version {
    border-left-color: var(--primary-color);
    background: rgba(var(--primary-color-rgb), 0.05);
}

.version-header-clickable {
    padding: 15px 20px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    -webkit-user-select: none;
    user-select: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.version-header-clickable:hover {
    background: rgba(var(--primary-color-rgb), 0.05);
}

.changelog-version.current-version .version-header-clickable:hover {
    background: rgba(var(--primary-color-rgb), 0.1);
}

.version-toggle-icon {
    font-size: 0.8rem;
    transition: transform 0.2s ease;
    margin-left: 8px;
    color: var(--text-secondary);
}

.changelog-version.collapsed .version-toggle-icon {
    transform: rotate(-90deg);
}

.version-content {
    padding: 0 20px 15px 20px;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    overflow: hidden;
}

.changelog-version.collapsed .version-content {
    max-height: 0 !important;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
}

.version-header {
    margin-bottom: 8px;
}

.version-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex: 1;
}

.version-header h4 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.version-date {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.version-title {
    color: var(--text-color);
    font-size: 1rem;
    margin: 8px 0;
}

.version-summary {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 8px 0 12px 0;
    font-style: italic;
}

.changelog-version h5 {
    margin: 15px 0 8px 0;
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 600;
}

.changelog-version ul {
    margin: 0 0 10px 0;
    padding-left: 20px;
}

.changelog-version li {
    margin-bottom: 4px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Music Streaming Modal */
.modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, var(--opacity-muted));
    animation: fadeIn var(--transition-normal) ease;
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 0;
    max-width: 500px;
    width: 90%;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    margin: 20px 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn var(--transition-normal) ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    border-bottom: 2px solid var(--primary-color);
}

.modal-header h3 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--secondary-color);
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-normal) ease;
}

.modal-close:hover {
    background: var(--border-color);
    opacity: var(--opacity-disabled);
    transform: rotate(90deg);
}

.modal-body {
    padding: 30px;
}

.modal-description {
    color: var(--secondary-color);
    margin-bottom: 20px;
    text-align: center;
    font-size: 1.05rem;
}

.streaming-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.streaming-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal) ease;
    border: 2px solid transparent;
}

.streaming-icon {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
}

.streaming-btn.spotify {
    background: linear-gradient(135deg, #1DB954 0%, #1ed760 100%);
    color: white;
}

.streaming-btn.spotify:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(29, 185, 84, 0.4);
    border-color: #1ed760;
}

.streaming-btn.apple-music {
    background: linear-gradient(135deg, #FA243C 0%, #fc5c74 100%);
    color: white;
}

.streaming-btn.apple-music:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(250, 36, 60, 0.4);
    border-color: #fc5c74;
}

.streaming-btn.youtube {
    background: linear-gradient(135deg, #FF0000 0%, #ff3333 100%);
    color: white;
}

.streaming-btn.youtube:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(255, 0, 0, 0.4);
    border-color: #ff3333;
}

.modal-note {
    margin-top: 25px;
    text-align: center;
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-style: italic;
    padding: 15px;
    background: var(--bg-color);
    border-radius: 10px;
}

.listen-btn {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
    margin-left: 10px;
}

.listen-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

/* Global Statistics Styles */
.global-stats-prompt {
    text-align: center;
    padding: 40px 20px;
}

.global-stats-prompt .info-box {
    max-width: 600px;
    margin: 20px auto;
}

.global-stats-prompt .button-group {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin: 20px 0;
}

.small-text {
    font-size: 0.85rem;
    color: var(--muted-text);
    margin-top: 10px;
}

.filters-container {
    margin: 20px 0;
    padding: 15px;
    background: var(--bg-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.filter-select {
    padding: 8px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-bg);
    color: var(--text-color);
    font-size: 1rem;
    cursor: pointer;
    min-width: 200px;
}

.stats-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 15px;
}

.stats-timestamp {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.stats-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.comparison-box {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    margin: 25px 0;
    border: 2px solid var(--primary-color);
}

.comparison-box h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    text-align: center;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.comparison-item {
    text-align: center;
    padding: 15px;
    background: var(--bg-color);
    border-radius: 8px;
}

.comparison-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.comparison-value {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
}

.stat-box {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.95;
}

.global-rankings-section {
    margin: 40px 0;
}

.global-rankings-section .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.global-rankings-section h4 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.3rem;
}

.section-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.section-controls .toggle-option {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-color);
}

.section-controls .toggle-option input[type="checkbox"] {
    cursor: pointer;
}

.section-controls .toggle-option:hover {
    color: var(--primary-color);
}

.btn-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--card-bg);
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
}

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

.btn-toggle .toggle-icon {
    font-size: 0.8rem;
    transition: transform var(--transition-normal) ease;
}

.btn-toggle[aria-expanded="true"] .toggle-icon {
    transform: rotate(180deg);
}

.global-ranked-list {
    max-height: 600px;
    overflow-y: auto;
    scroll-behavior: smooth;
}

.skeleton-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.skeleton-item {
    height: 60px;
    background: linear-gradient(
        90deg,
        var(--bg-color) 25%,
        var(--card-bg) 50%,
        var(--bg-color) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 8px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.global-rank-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 8px;
    transition: all var(--transition-normal) ease;
}

.global-rank-item:hover {
    background: var(--bg-color);
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.global-rank-item .album-art {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    object-fit: cover;
    display: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.global-ranked-list.show-artwork .global-rank-item .album-art {
    display: block;
}

.global-rank-number {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    min-width: 50px;
    text-align: center;
}

.global-song-info {
    flex: 1;
}

.global-song-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.global-album-name {
    font-size: 0.9rem;
    color: var(--muted-text);
}

.global-avg-rank {
    font-size: 0.95rem;
    color: var(--primary-color);
    font-weight: 600;
}

.album-performance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.album-performance-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all var(--transition-normal) ease;
}

.album-performance-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.album-performance-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.album-performance-thumbnail {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
}

.album-performance-info h5 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.album-performance-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.album-stat {
    text-align: center;
}

.album-stat-value {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--primary-color);
}

.album-stat-label {
    font-size: 0.8rem;
    color: var(--muted-text);
    margin-top: 4px;
}

/* Consent Modal Styles */
.consent-list {
    list-style: none;
    padding: 0;
    margin: 15px 0;
}

.consent-list li {
    padding: 8px 0;
    font-size: 0.95rem;
}

.consent-options {
    margin: 20px 0;
}

.consent-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    cursor: pointer;
    border-radius: 8px;
    transition: background var(--transition-normal) ease;
}

.consent-checkbox:hover {
    background: var(--bg-color);
}

.consent-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.region-selector {
    margin: 20px 0;
}

.region-selector label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.modal-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 25px;
}

/* Loading and Error States */
.loading-state, .error-state {
    text-align: center;
    padding: 60px 20px;
}

.spinner {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.error-state p {
    color: var(--danger-color);
    margin-bottom: 20px;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    /* Base spacing and typography */
    body {
        padding: 10px;
    }

    header {
        padding: 20px 15px;
        margin-bottom: 20px;
    }

    h1 {
        font-size: 1.75rem;
        margin-bottom: 8px;
    }

    .subtitle {
        font-size: 1rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    /* Navigation - make more touch-friendly */
    .nav-tabs {
        flex-direction: column;
        gap: 8px;
    }

    .nav-tab {
        width: 100%;
        min-width: unset;
        padding: 16px 20px;
        font-size: 1rem;
    }

    /* Cards and spacing */
    .card {
        padding: 20px 15px;
        margin-bottom: 15px;
    }

    .info-box {
        padding: 12px 15px;
        margin: 15px 0;
    }

    /* Instructions list */
    .card ol, .card ul {
        margin-left: 15px;
        padding-right: 10px;
    }

    .card li {
        margin-bottom: 12px;
        line-height: 1.6;
    }

    /* Comparison interface - stack vertically */
    .comparison-container {
        flex-direction: column;
        gap: 20px;
        margin: 20px 0;
    }

    .song-option {
        min-width: unset;
        max-width: unset;
        width: 100%;
        padding: 30px 20px;
    }

    .song-option .song-title {
        font-size: 1.3rem;
        min-height: 40px;
    }

    .vs-divider {
        transform: rotate(90deg);
        padding: 10px;
        font-size: 1.5rem;
    }

    /* Album controls - stack on mobile */
    .album-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding: 12px 15px;
    }

    .album-controls .toggle-option {
        justify-content: center;
    }

    .album-controls button {
        width: 100%;
    }

    /* Album grid - single column for better touch targets */
    .album-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .album-card {
        padding: 15px;
    }

    .album-card .album-cover {
        height: 280px;
    }

    /* Cross-album grid - stack on mobile */
    .cross-album-grid {
        grid-template-columns: 1fr;
        gap: 8px;
        margin: 20px 0;
    }

    .cross-song-card {
        padding: 6px 8px;
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 8px;
        text-align: left;
    }

    .cross-song-card .album-art {
        width: 40px;
        height: 40px;
        flex-shrink: 0;
        margin-bottom: 0;
        border-radius: 5px;
    }

    .cross-song-card .song-info {
        flex: 1;
        min-width: 0; /* Allow text to truncate */
        display: flex;
        flex-direction: row; /* Changed to row for horizontal layout */
        align-items: center;
        gap: 8px;
    }
    
    .cross-song-card .song-info > div:first-child {
        flex: 1;
        min-width: 0;
        display: flex;
        flex-direction: column;
        gap: 1px;
    }

    .cross-song-card .album-badge {
        font-size: 0.6rem;
        padding: 1px 5px;
        margin-bottom: 1px;
        display: inline-block;
        width: fit-content;
    }

    .cross-song-card .song-title {
        font-size: 0.85rem;
        min-height: 0;
        display: block;
        text-align: left;
        margin-bottom: 1px;
        justify-content: flex-start;
        line-height: 1.1;
        font-weight: 600;
    }

    .cross-song-card .song-rank {
        font-size: 0.7rem;
        margin-top: 0;
        line-height: 1.1;
        opacity: 0.85;
    }

    .cross-song-card .listen-btn-cross {
        padding: 6px 10px;
        font-size: 0.7rem;
        margin-top: 0;
        flex-shrink: 0;
        align-self: center;
    }

    /* Button groups - stack vertically with full width */
    .button-group {
        flex-direction: column;
        gap: 10px;
    }

    .button-group .btn {
        width: 100%;
        padding: 14px 20px;
    }

    /* Settings */
    .section-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .quick-select-buttons {
        width: 100%;
        justify-content: space-between;
    }

    .btn-quick-select {
        flex: 1;
        padding: 10px 12px;
    }

    .setting-item {
        padding: 10px;
        gap: 8px;
    }

    .setting-item > label:first-child {
        flex-direction: row;
        align-items: center;
        gap: 10px;
        font-size: 0.95rem;
    }

    .setting-item input[type="checkbox"] {
        width: 22px;
        height: 22px;
        margin-right: 0;
        flex-shrink: 0;
    }

    .setting-item .album-thumbnail {
        width: 45px;
        height: 45px;
    }

    .setting-item .album-info {
        flex: 1;
        min-width: 0; /* Allow text to wrap */
    }

    .setting-item .album-name {
        font-size: 0.95rem;
        line-height: 1.3;
    }

    .setting-item .album-details {
        font-size: 0.78rem;
        line-height: 1.2;
        margin-top: 2px;
    }

    .bonus-tracks-toggle {
        margin-left: 20px;
        padding-left: 10px;
        font-size: 0.85em;
    }

    .expand-tracks-btn {
        margin-left: 20px;
        padding: 8px 12px;
    }

    .track-selection-list {
        margin-left: 20px;
        padding: 10px;
    }

    /* Theme selector */
    .theme-selector-container {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .theme-select {
        max-width: unset;
    }

    /* Ranking mode toggle */
    .ranking-mode-toggle {
        flex-direction: column;
        gap: 10px;
    }

    .mode-btn {
        width: 100%;
        justify-content: center;
        padding: 14px 20px;
    }

    /* Sortable list items - optimize for touch */
    .sortable-item {
        flex-wrap: wrap;
        padding: 12px 15px;
        gap: 10px;
        /* Enable touch dragging on mobile */
        touch-action: pan-y;
        -webkit-user-select: none;
        user-select: none;
    }

    .sortable-item .drag-handle {
        font-size: 1.2rem;
        margin-right: 10px;
        /* Make drag handle more prominent on mobile */
        padding: 8px;
        touch-action: none;
    }

    .sortable-item .rank-number {
        font-size: 1.3rem;
        min-width: 40px;
    }

    .sortable-item .song-name {
        font-size: 1rem;
        /* Take full width on second row if needed */
        flex-basis: 100%;
        order: 3;
    }

    .sortable-item .song-actions {
        flex-wrap: wrap;
        gap: 8px;
        width: 100%;
        order: 4;
        justify-content: space-between;
    }

    .sortable-item .listen-btn {
        flex: 1;
        padding: 8px 12px;
        white-space: normal;
        text-align: center;
    }

    .sortable-item .arrow-controls {
        flex-direction: row;
        gap: 8px;
    }

    .sortable-item .arrow-btn {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }

    /* Ranked items */
    .ranked-item {
        flex-wrap: wrap;
        padding: 12px;
        gap: 10px;
    }

    .ranked-item .rank {
        font-size: 1.3rem;
        min-width: 40px;
    }

    .ranked-item .song-name {
        font-size: 1rem;
    }

    .ranked-item .album-name {
        font-size: 0.85rem;
    }

    .ranked-list.large {
        max-height: 60vh;
    }

    /* Results tabs */
    .results-tabs {
        flex-direction: column;
        gap: 8px;
    }

    .results-tab {
        width: 100%;
        padding: 14px 20px;
    }

    /* Stats grid */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .album-stats-controls {
        padding: 0 10px;
    }

    .scoring-method-selector {
        flex-direction: column;
        align-items: stretch;
        padding: 15px;
        gap: 8px;
    }

    .scoring-method-selector select {
        width: 100%;
    }

    /* Album detail view */
    .album-detail-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .album-detail-header .album-art-detail {
        width: 100px;
        height: 100px;
        margin: 0 auto;
    }

    /* Global stats */
    .stats-summary {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .comparison-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .filters-container {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .filter-select {
        min-width: unset;
        width: 100%;
    }

    .global-rankings-section .section-header {
        flex-direction: column;
        align-items: stretch;
    }

    .section-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .btn-toggle {
        width: 100%;
        justify-content: center;
    }

    .album-performance-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    /* Modal improvements */
    .modal-content {
        width: 95%;
        max-width: unset;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    /* Confirm dialog modal for mobile */
    .modal-overlay .confirm-dialog-modal {
        max-width: 90% !important;
        padding: 1.5rem !important;
    }
    
    .modal-overlay .confirm-dialog-modal h3 {
        font-size: 1.2rem !important;
    }
    
    .modal-overlay .confirm-dialog-modal p {
        font-size: 1rem !important;
        margin-bottom: 1rem !important;
    }
    
    .modal-overlay .confirm-dialog-modal button {
        padding: 0.6rem 1rem !important;
        font-size: 1rem !important;
    }

    .modal-header {
        padding: 20px 15px;
    }

    .modal-header h3 {
        font-size: 1.3rem;
    }

    .modal-body {
        padding: 20px 15px;
    }

    .streaming-btn {
        padding: 12px 15px;
    }

    .modal-actions {
        flex-direction: column;
    }

    .modal-actions .btn {
        width: 100%;
    }

    /* Progress bars */
    .progress-container {
        margin-bottom: 20px;
    }

    .progress-text {
        font-size: 0.9rem;
    }

    /* Results controls */
    .results-controls {
        justify-content: center;
        margin-bottom: 12px;
    }

    /* Collapsible sections */
    .collapsible-header {
        padding: 8px;
        margin: -8px -8px 12px -8px;
    }

    .header-title {
        gap: 8px;
    }

    /* Touch target improvements - ensure minimum 44px */
    button,
    .btn,
    .nav-tab,
    .results-tab,
    input[type="checkbox"],
    .sortable-item .arrow-btn {
        min-height: 44px;
    }

    input[type="checkbox"] {
        min-width: 44px;
        min-height: 44px;
    }

    /* Instruction text */
    .instruction-text {
        font-size: 1rem;
        padding: 0 10px;
    }

    /* Improve scrolling on mobile */
    .sortable-list {
        padding: 15px;
        min-height: 300px;
    }

    .global-ranked-list {
        max-height: 500px;
    }

    /* Album stats hint */
    .album-stats-hint {
        font-size: 0.9rem;
        padding: 0 10px;
    }

    /* Error states */
    .loading-state, .error-state {
        padding: 40px 15px;
    }

    /* Toast positioning adjustment */
    .app-error-container {
        padding: 15px;
    }

    .error-message {
        padding: 25px 20px;
    }
}

/* Extra small devices (phones in portrait, less than 400px) */
@media (max-width: 400px) {
    h1 {
        font-size: 1.5rem;
    }

    .subtitle {
        font-size: 0.9rem;
    }

    .nav-tab {
        padding: 14px 15px;
        font-size: 0.95rem;
    }

    .card {
        padding: 15px 12px;
    }

    .album-card .album-cover {
        height: 220px;
    }
    
    .cross-song-card .album-art {
        height: 35px;
        width: 35px;
    }
    
    .cross-song-card {
        padding: 4px 6px;
        gap: 6px;
    }
    
    .cross-song-card .song-info {
        gap: 6px;
    }
    
    .cross-song-card .album-badge {
        font-size: 0.55rem;
        padding: 1px 4px;
    }

    .sortable-item .rank-number,
    .ranked-item .rank {
        font-size: 1.2rem;
        min-width: 35px;
    }

    .btn {
        padding: 12px 16px;
        font-size: 0.95rem;
    }

    .modal-header h3 {
        font-size: 1.2rem;
    }

    .song-option .song-title,
    .cross-song-card .song-title {
        font-size: 1.1rem;
    }

    .stat-number {
        font-size: 1.75rem;
    }
}

/* ===================================
   FEEDBACK BUTTON & MODAL STYLES
   =================================== */

.feedback-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 24px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    z-index: 10;
}

/* Footer */
.app-footer {
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
    background: transparent;
}

.app-footer .container {
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 20px;
}

.version-indicator {
    font-size: 0.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s ease;
    -webkit-user-select: none;
    user-select: none;
    margin-bottom: 10px;
}

.version-indicator:hover {
    color: var(--primary-color);
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.footer-separator {
    color: var(--muted-text);
}

.feedback-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.feedback-btn:active {
    transform: translateY(0);
}

.feedback-icon {
    font-size: 1.2rem;
    line-height: 1;
}

.feedback-text {
    font-weight: 600;
}

/* Feedback form styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
}

.required {
    color: #e74c3c;
}

.feedback-textarea {
    width: 100%;
    min-height: 120px;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    resize: vertical;
    background: var(--bg-color);
    color: var(--text-color);
    transition: border-color 0.3s ease;
}

.feedback-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.feedback-input {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    background: var(--bg-color);
    color: var(--text-color);
    transition: border-color 0.3s ease;
}

.feedback-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.char-counter {
    text-align: right;
    font-size: 0.85rem;
    color: var(--muted-text);
    margin-top: 4px;
}

.field-note {
    font-size: 0.85rem;
    color: var(--muted-text);
    margin-top: 4px;
}

.feedback-message {
    padding: 12px;
    border-radius: 8px;
    margin-top: 15px;
    font-weight: 500;
    text-align: center;
}

.feedback-message.success {
    background: rgba(46, 213, 115, 0.1);
    color: #27ae60;
    border: 1px solid rgba(46, 213, 115, 0.3);
}

.feedback-message.error {
    background: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
    border: 1px solid rgba(231, 76, 60, 0.3);
}

.btn-loading {
    display: inline-block;
}

.btn-loading.hidden,
.feedback-message.hidden {
    display: none;
}

/* Mobile adjustments for feedback button */
@media (max-width: 768px) {
    .feedback-btn {
        top: 10px;
        right: 10px;
        padding: 8px 12px;
        font-size: 0.9rem;
        border-radius: 20px;
    }

    .feedback-text {
        display: none;
    }

    .feedback-icon {
        font-size: 1.4rem;
    }

    .feedback-textarea {
        min-height: 100px;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .feedback-input {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* Toast notification animations */
@keyframes toastSlideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes toastSlideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 8px 24px rgba(var(--accent-rgb), 0.4);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
}

/* ============================================
   Update Notification (Service Worker)
   ============================================ */
.update-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    animation: slideInRight 0.3s ease-out;
}

.update-message {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 350px;
}

.update-message span {
    font-weight: 500;
    line-height: 1.4;
}

.update-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.85rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.update-actions .btn-primary {
    background: white;
    color: #667eea;
}

.update-actions .btn-primary:hover {
    background: var(--primary-btn-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.update-actions .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.update-actions .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Extra Large Screens (4K displays) - Smallest cards for maximum density */
@media (min-width: 1920px) {
    .cross-album-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 12px;
        margin: 20px 0;
    }
    
    .cross-song-card {
        padding: 10px;
        border-radius: 8px;
    }
    
    .cross-song-card .album-art {
        height: 80px;
        margin-bottom: 8px;
        border-radius: 5px;
    }
    
    .cross-song-card .song-title {
        font-size: 0.9rem;
        min-height: 32px;
        margin-bottom: 6px;
    }
    
    .cross-song-card .album-badge {
        padding: 3px 6px;
        margin-bottom: 6px;
        font-size: 0.65rem;
        border-radius: 8px;
    }
}

/* Large Screens (1400px-1919px) - Medium-small cards */
@media (min-width: 1400px) and (max-width: 1919px) {
    .cross-album-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 16px;
        margin: 24px 0;
    }
    
    .cross-song-card {
        padding: 15px;
        border-radius: 10px;
    }
    
    .cross-song-card .album-art {
        height: 120px;
        margin-bottom: 10px;
        border-radius: 6px;
    }
    
    .cross-song-card .song-title {
        font-size: 1.0rem;
        min-height: 40px;
        margin-bottom: 8px;
    }
    
    .cross-song-card .album-badge {
        padding: 4px 8px;
        margin-bottom: 8px;
        font-size: 0.7rem;
        border-radius: 10px;
    }
}

/* Medium Screens (1200px-1399px) - Medium cards */
@media (min-width: 1200px) and (max-width: 1399px) {
    .cross-album-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 20px;
        margin: 26px 0;
    }
    
    .cross-song-card {
        padding: 18px;
        border-radius: 12px;
    }
    
    .cross-song-card .album-art {
        height: 150px;
        margin-bottom: 12px;
        border-radius: 8px;
    }
    
    .cross-song-card .song-title {
        font-size: 1.1rem;
        min-height: 45px;
        margin-bottom: 9px;
    }
    
    .cross-song-card .album-badge {
        padding: 5px 10px;
        margin-bottom: 10px;
        font-size: 0.75rem;
        border-radius: 12px;
    }
}

/* Tablet Screens (768px-1199px) - Switch to horizontal list for smaller screens */
@media (min-width: 768px) and (max-width: 1199px) {
    .cross-album-grid {
        grid-template-columns: 1fr;
        gap: 12px;
        margin: 24px 0;
    }
    
    .cross-song-card {
        padding: 12px 16px;
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 16px;
        text-align: left;
        border-radius: 10px;
    }
    
    .cross-song-card .album-art {
        width: 60px;
        height: 60px;
        flex-shrink: 0;
        margin-bottom: 0;
        border-radius: 6px;
    }
    
    .cross-song-card .song-info {
        flex: 1;
        min-width: 0;
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 12px;
    }
    
    .cross-song-card .song-info > div:first-child {
        flex: 1;
        min-width: 0;
        display: flex;
        flex-direction: column;
        gap: 4px;
    }
    
    .cross-song-card .song-title {
        font-size: 1.0rem;
        min-height: 0;
        margin-bottom: 2px;
        justify-content: flex-start;
        text-align: left;
    }
    
    .cross-song-card .album-badge {
        font-size: 0.7rem;
        padding: 2px 6px;
        margin-bottom: 0;
        border-radius: 8px;
        align-self: flex-start;
    }
}