/* Modern CSS reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ===================================================================
 * GLOBAL SCROLLBAR STYLING FOR ALL BROWSERS
 * ================================================================= */

/* Base scrollbar styling */
.scrollbar-base {
    scrollbar-width: thin;
    scrollbar-color: var(--secondary) #1a1a1a;
}

.scrollbar-base::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.scrollbar-base::-webkit-scrollbar-track {
    background: #1a1a1a;
    border-radius: 4px;
}

.scrollbar-base::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
    border: 1px solid var(--bg-rgba-dark-10);
}

.scrollbar-base::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-primary-light);
    box-shadow: var(--shadow-md);
}

.scrollbar-base::-webkit-scrollbar-corner {
    background: #1a1a1a;
}

/* Thin scrollbars for dropdowns */
.scrollbar-thin {
    scrollbar-width: thin;
    scrollbar-color: var(--secondary) #1a1a1a;
}

.scrollbar-thin::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.scrollbar-thin::-webkit-scrollbar-track {
    background: #1a1a1a;
    border-radius: 3px;
}

.scrollbar-thin::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 3px;
    border: none;
}

.scrollbar-thin::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-primary-light);
    box-shadow: var(--shadow-sm);
}

/* Compact scrollbars for content areas */
.scrollbar-compact {
    scrollbar-width: thin;
    scrollbar-color: var(--secondary) #1a1a1a;
}

.scrollbar-compact::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.scrollbar-compact::-webkit-scrollbar-track {
    background: #1a1a1a;
    border-radius: 3px;
}

.scrollbar-compact::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 3px;
    border: 1px solid var(--bg-rgba-dark-10);
}

.scrollbar-compact::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-primary-light);
    box-shadow: var(--shadow-md);
}

/* Apply scrollbar classes to specific elements */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--secondary) #1a1a1a;
}

*::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

*::-webkit-scrollbar-track {
    background: #1a1a1a;
    border-radius: 4px;
}

*::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
    border: 1px solid var(--bg-rgba-dark-10);
}

*::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-primary-light);
    box-shadow: var(--shadow-md);
}

*::-webkit-scrollbar-corner {
    background: #1a1a1a;
}

.font-options-panel,
.font-size-options-panel,
.timesig-options-panel,
.theme-options-panel {
    scrollbar-width: thin;
    scrollbar-color: var(--secondary) #1a1a1a;
}

.font-options-panel::-webkit-scrollbar,
.font-size-options-panel::-webkit-scrollbar,
.bars-options-panel::-webkit-scrollbar,
.timesig-options-panel::-webkit-scrollbar,
.theme-options-panel::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.font-options-panel::-webkit-scrollbar-track,
.font-size-options-panel::-webkit-scrollbar-track,
.bars-options-panel::-webkit-scrollbar-track,
.timesig-options-panel::-webkit-scrollbar-track,
.theme-options-panel::-webkit-scrollbar-track {
    background: #1a1a1a;
    border-radius: 3px;
}

.font-options-panel::-webkit-scrollbar-thumb,
.font-size-options-panel::-webkit-scrollbar-thumb,
.bars-options-panel::-webkit-scrollbar-thumb,
.timesig-options-panel::-webkit-scrollbar-thumb,
.theme-options-panel::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 3px;
    border: none;
}

.font-options-panel::-webkit-scrollbar-thumb:hover,
.font-size-options-panel::-webkit-scrollbar-thumb:hover,
.bars-options-panel::-webkit-scrollbar-thumb:hover,
.timesig-options-panel::-webkit-scrollbar-thumb:hover,
.theme-options-panel::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-primary-light);
    box-shadow: var(--shadow-sm);
}

/* Remove focus outlines and selection boxes from all options panels */
.bars-options-panel,
.font-options-panel,
.font-size-options-panel,
.timesig-options-panel,
.theme-options-panel,
.bars-selector-trigger,
.font-selector-trigger,
.font-size-selector-trigger,
.timesig-selector-trigger,
.theme-selector-trigger {
    outline: none !important;
    -webkit-tap-highlight-color: transparent;
}

.bars-options-panel:focus,
.font-options-panel:focus,
.font-size-options-panel:focus,
.timesig-options-panel:focus,
.theme-options-panel:focus,
.bars-selector-trigger:focus,
.font-selector-trigger:focus,
.font-size-selector-trigger:focus,
.timesig-selector-trigger:focus,
.theme-selector-trigger:focus {
    outline: none !important;
    box-shadow: none !important;
}

.output-content,
.debug-log {
    scrollbar-width: thin;
    scrollbar-color: var(--secondary) #1a1a1a;
}

.output-content::-webkit-scrollbar,
.debug-log::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.output-content::-webkit-scrollbar-track,
.debug-log::-webkit-scrollbar-track {
    background: #1a1a1a;
    border-radius: 3px;
}

.output-content::-webkit-scrollbar-thumb,
.debug-log::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 3px;
    border: 1px solid var(--bg-rgba-dark-10);
}

.output-content::-webkit-scrollbar-thumb:hover,
.debug-log::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-primary-light);
    box-shadow: var(--shadow-md);
}

/* ===================================================================
 * UTILITY CLASSES
 * ================================================================= */

/* Common transition patterns */
.transition-fast {
    transition: var(--transition-fast);
}
.transition-medium {
    transition: var(--transition-medium);
}
.transition-color {
    transition: var(--transition-color);
}
.transition-border {
    transition: var(--transition-border);
}
.transition-transform {
    transition: var(--transition-transform);
}

/* Common border patterns */
.border-primary {
    border: var(--primary-border);
}
.border-secondary {
    border: var(--secondary-border);
}
.border-hover:hover {
    border-color: var(--primary-border-hover);
}

/* Common shadow patterns */
.shadow-sm {
    box-shadow: var(--shadow-sm);
}
.shadow-md {
    box-shadow: var(--shadow-md);
}
.shadow-lg {
    box-shadow: var(--shadow-lg);
}
.shadow-xl {
    box-shadow: var(--shadow-xl);
}
.shadow-focus:focus {
    box-shadow: var(--primary-focus-shadow);
}

/* Common background patterns */
.bg-gradient-primary {
    background: var(--gradient-primary);
}
.bg-gradient-accent {
    background: var(--gradient-accent);
}
.bg-gradient-dark {
    background: var(--gradient-dark);
}

/* Flex utilities */
.flex {
    display: flex;
}
.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}
.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.flex-column {
    flex-direction: column;
}
.flex-wrap {
    flex-wrap: wrap;
}
.flex-gap-sm {
    gap: var(--space-sm);
}
.flex-gap-md {
    gap: var(--space-md);
}
.flex-gap-lg {
    gap: var(--space-lg);
}

/* Common hover effects */
.hover-lift:hover {
    transform: translateY(-2px);
}
.hover-scale:hover {
    transform: scale(1.02);
}
.hover-glow:hover {
    box-shadow: var(--secondary-glow);
}

/* ===================================================================
 * END UTILITY CLASSES
 * ================================================================= */

:root {
    /* Colors - based on Opus logo */
    --primary: #e63b0d; /* Red from the logo */
    --primary-light: #ff5a2c; /* Lighter red */
    --primary-dark: #b22d09; /* Darker red */
    --secondary: #ffb700; /* Yellow/gold from the logo */
    --secondary-light: #ffd54f; /* Lighter gold */
    --secondary-dark: #cc9200; /* Darker gold */
    --accent: #83b547; /* Green music note */
    --success: #83b547; /* Green from logo */
    --success-light: #a5d46a; /* Lighter green */
    --success-dark: #638731; /* Darker green */
    --warning: #ffb700; /* Gold as warning */
    --danger: #e63b0d; /* Red as danger */
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;

    /* Dark theme colors */
    --bg-primary: #0f0f0f; /* Deep black background */
    --bg-secondary: #1a1a1a; /* Slightly lighter */
    --bg-card: #242424; /* Card background */
    --bg-input: #2d2d2d; /* Input fields */
    --text-primary: #f5f5f5; /* Primary text */
    --text-secondary: #d0d0d0; /* Secondary text */
    --text-muted: #909090; /* Muted text */
    --border-color: #3d3d3d; /* Border color */
    --border-light: #555555; /* Light border for subtle styling */
    --shadow-color: rgba(0, 0, 0, 0.4); /* Deeper shadows */

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;

    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Font sizes */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;

    /* Font weights */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    --font-weight-semibold: 600;

    /* Common patterns - optimized reusable values */
    --primary-border: 1px solid rgba(255, 255, 255, 0.12);
    --primary-border-hover: rgba(255, 255, 255, 0.25);
    --primary-focus-shadow: 0 0 0 2px rgba(230, 59, 13, 0.2);
    --secondary-border: 1px solid rgba(255, 183, 0, 0.2);
    --secondary-glow: 0 0 8px rgba(255, 183, 0, 0.3);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-primary-light: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
    --gradient-accent: linear-gradient(135deg, rgba(230, 59, 13, 0.15) 0%, rgba(255, 183, 0, 0.1) 100%);
    --gradient-dark: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.25) 100%);

    /* Common shadows */
    --shadow-sm: 0 0 6px rgba(230, 59, 13, 0.3);
    --shadow-md: 0 0 8px rgba(230, 59, 13, 0.3);
    --shadow-lg: 0 4px 15px var(--shadow-color);
    --shadow-xl: 0 6px 20px var(--shadow-color);

    /* Common backgrounds */
    --bg-rgba-dark-10: rgba(0, 0, 0, 0.1);
    --bg-rgba-dark-15: rgba(0, 0, 0, 0.15);
    --bg-rgba-dark-20: rgba(0, 0, 0, 0.2);
    --bg-rgba-white-10: rgba(255, 255, 255, 0.1);

    /* Transitions */
    --transition-fast: all 0.2s ease;
    --transition-medium: all 0.3s ease;
    --transition-color: color 0.2s ease;
    --transition-border: border-color 0.3s ease;
    --transition-transform: transform 0.2s ease;
}

/* Base styles for full viewport coverage */
html {
    height: 100%;
}

body {
    font-family:
        'Segoe UI',
        -apple-system,
        BlinkMacSystemFont,
        'Roboto',
        'Oxygen',
        'Ubuntu',
        sans-serif;
    font-size: var(--font-size-md);
    line-height: 1.5;
    color: var(--text-primary);
    /* height: 100%;
    min-height: 100vh;
    min-height: 100dvh; Dynamic viewport height for mobile */
    background: 
        /* Dark grayscale gradients for depth */
        radial-gradient(circle at 20% 20%, rgba(60, 60, 60, 0.3) 0%, rgba(40, 40, 40, 0.15) 40%, transparent 70%),
        radial-gradient(circle at 80% 80%, rgba(80, 80, 80, 0.25) 0%, rgba(50, 50, 50, 0.1) 50%, transparent 80%),
        radial-gradient(circle at 50% 10%, rgba(45, 45, 45, 0.2) 0%, transparent 60%),
        /* High contrast main gradient - pure blacks to medium grays */
        linear-gradient(
                135deg,
                #000000 0%,
                /* Pure black */ #0a0a0a 15%,
                #2a2a2a 35%,
                /* Medium dark gray */ #111111 50%,
                #333333 65%,
                /* Lighter gray for contrast */ #0f0f0f 80%,
                #000000 100% /* Back to pure black */
            );
    background-attachment: fixed;
    background-size:
        250% 250%,
        200% 200%,
        300% 300%,
        100% 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    overflow-x: hidden;
}

/* Grayscale animated background element */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        /* Moving grayscale elements */
        radial-gradient(circle at 40% 60%, rgba(70, 70, 70, 0.2) 0%, rgba(45, 45, 45, 0.08) 30%, transparent 60%),
        radial-gradient(circle at 60% 30%, rgba(90, 90, 90, 0.15) 0%, rgba(50, 50, 50, 0.05) 40%, transparent 70%),
        /* Subtle geometric pattern */
        linear-gradient(45deg, rgba(255, 255, 255, 0.02) 0%, transparent 1%, transparent 2%, rgba(255, 255, 255, 0.01) 3%, transparent 4%, transparent 6%, rgba(0, 0, 0, 0.08) 7%, transparent 8%);
    background-size:
        180% 180%,
        220% 220%,
        60px 60px;
    pointer-events: none;
    z-index: -1;
    animation: subtleFloat 45s ease-in-out infinite;
    opacity: 1;
}

/* More pronounced background animation */
@keyframes subtleFloat {
    0%,
    100% {
        transform: translate(0, 0) rotate(0deg) scale(1);
        opacity: 1;
    }
    25% {
        transform: translate(-3%, -2%) rotate(2deg) scale(1.02);
        opacity: 0.8;
    }
    50% {
        transform: translate(2%, 3%) rotate(-1.5deg) scale(0.98);
        opacity: 1.2;
    }
    75% {
        transform: translate(3%, -2.5%) rotate(1deg) scale(1.01);
        opacity: 0.9;
    }
}

/* Main app container */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: 100dvh; /* Dynamic viewport height for mobile */
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-md);
    overflow: visible; /* Ensure dropdown is not clipped */
}

/* Main content */
.app-main {
    flex: 1;
}

.app-header,
.logo,
.app-main {
    display: flex;
}

.app-header {
    justify-content: space-between;
    align-items: center;
}

.logo {
    align-items: center;
}

.app-main {
    flex-direction: column;
    gap: var(--space-xl);
}

/* Header */
.app-header {
    padding: var(--space-md) 0;
    margin-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.logo {
    gap: var(--space-sm);
}

.opus-logo {
    height: 80px;
    width: auto;
    filter: drop-shadow(0 0 5px rgba(255, 183, 0, 0.4));
}

.logo h1 {
    font-family: 'Sansation', sans-serif;
    font-size: calc(var(--font-size-2xl) * 1.15);
    font-weight: 400;
    color: white;
    letter-spacing: 2px;
    position: relative;
    font-style: normal;
    text-transform: capitalize;
    transform-origin: center;
}

.logo h1::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: radial-gradient(ellipse at center, rgba(255, 183, 0, 0.06) 0%, rgba(255, 183, 0, 0.03) 50%, transparent 70%);
    border-radius: 12px;
    z-index: -1;
    animation: soft-pulse 6s ease-in-out infinite;
}

@keyframes subtle-breathe {
    0%,
    100% {
        opacity: 0.95;
    }
    50% {
        opacity: 1;
    }
}

@keyframes soft-pulse {
    0%,
    100% {
        opacity: 0.4;
    }
    50% {
        opacity: 0.7;
    }
}

.version-badge {
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--primary-dark);
    color: white;
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    user-select: none;
    margin-top: -0.5rem;
    display: inline-block;
    transition: var(--transition-fast);
    margin-top: 5px;
    margin-left: 10px;
}

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

/* ===================================================================
 * USER LOGIN AREA
 * =================================================================== */
.user-login-area {
    display: flex;
    align-items: center;
    margin-left: auto;
    padding-left: var(--space-md);
}

.login-button {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background-color: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.login-button:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary);
    color: white;
}

.login-button:hover .login-button-sub {
    color: rgba(255, 255, 255, 0.7);
}

.login-button i {
    font-size: var(--font-size-sm);
}

.login-button-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.login-button-label {
    font-weight: var(--font-weight-medium);
}

.login-button-sub {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: normal;
    transition: var(--transition-fast);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.12);
    object-fit: cover;
}

.user-name {
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.logout-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background-color: transparent;
    color: var(--text-muted);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 0;
}

.logout-button:hover {
    background-color: var(--danger);
    color: white;
    border-color: var(--danger);
}

/* Footer */
.app-footer {
    margin-top: var(--space-xl);
    padding: var(--space-md) 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    border-top: var(--primary-border);
}

.app-footer i {
    color: var(--primary);
}

.app-footer a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-color);
}

.app-footer a:hover {
    color: var(--secondary-light);
    text-decoration: underline;
}

/* Cards */
.card {
    width: 100%;
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    border: var(--primary-border);
    overflow: visible; /* Ensure dropdown is not clipped */
    box-shadow: var(--shadow-lg);
    transition: var(--transition-medium);
}

.card:hover {
    box-shadow: var(--shadow-xl);
}

.card-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    overflow: visible; /* Ensure dropdown is not clipped */
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    gap: var(--space-sm);
    display: flex;
    align-items: center;
}

.card-header h2 i {
    color: var(--secondary);
}

.card-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    overflow: visible; /* Ensure dropdown is not clipped */
    flex-wrap: nowrap; /* Prevent wrapping to multiple lines */
}

.action-button {
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-md);
    background-color: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.action-button:hover {
    background-color: var(--bg-rgba-white-10);
    color: var(--text-primary);
}

/* Style octave buttons and copy button to match selector boxes */
.octave-button {
    width: 16px !important;
    /* padding: 2px var(--space-sm) !important; */
    background-color: var(--bg-input) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-sm) !important;
    color: var(--text-primary) !important;
    font-size: var(--font-size-xs) !important;
    transition: all 0.2s ease !important;
    min-width: 32px !important;
    gap: var(--space-xs) !important;
    height: 24px !important;
}

.octave-button:hover,
#copyOutputBtn:hover {
    border-color: var(--primary) !important;
    background-color: rgba(230, 59, 13, 0.05) !important;
    color: var(--text-primary) !important;
}

.octave-button:active,
#copyOutputBtn:active {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 2px rgba(230, 59, 13, 0.2) !important;
}

.octave-button:disabled {
    background-color: var(--bg-secondary) !important;
    border-color: var(--border-light) !important;
    color: var(--text-muted) !important;
    cursor: default !important;
    opacity: 0.5 !important;
}

.octave-button:disabled:hover {
    background-color: var(--bg-secondary) !important;
    border-color: var(--border-light) !important;
    color: var(--text-muted) !important;
    cursor: default !important;
    box-shadow: none !important;
}

/* Tips button specific styling */
.tips-button {
    background-color: rgba(255, 183, 0, 0.15) !important;
    color: var(--secondary) !important;
    border: none !important;
    border-radius: var(--radius-md);
    width: auto !important;
    padding: var(--space-xs) var(--space-sm) !important;
    gap: var(--space-xs) !important;
    display: flex !important;
    align-items: center !important;
}

.tips-button i {
    font-size: 1.2em;
}

.tips-button span {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.tips-button:hover {
    background-color: rgba(255, 183, 0, 0.25) !important;
    color: var(--secondary-light) !important;
    box-shadow: var(--secondary-glow);
}

.card-body {
    padding: var(--space-lg);
}

/* File inputs styling */
.file-inputs {
    margin-bottom: var(--space-lg);
}

.file-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* File type labels */
.file-type-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.file-type-label i {
    color: var(--primary);
    font-size: 1.1em;
}

.file-type-label small {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    background: var(--bg-rgba-dark-05);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    margin-left: auto;
}

.file-label {
    display: flex;
    align-items: center;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.file-label i {
    color: var(--secondary);
}

/* Enhanced drag and drop zone styling */
.file-drop-zone {
    position: relative;
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-lg);
    background: 
        /* Visible depth gradients similar to page background */
        radial-gradient(circle at 25% 25%, rgba(40, 40, 40, 0.4) 0%, rgba(20, 20, 20, 0.2) 40%, transparent 70%),
        radial-gradient(circle at 75% 75%, rgba(50, 50, 50, 0.3) 0%, rgba(30, 30, 30, 0.15) 50%, transparent 80%),
        radial-gradient(circle at 50% 10%, rgba(35, 35, 35, 0.25) 0%, transparent 60%),
        /* Base gradient with solid brand colors */ linear-gradient(135deg, #2d2d2d 0%, #1e1e1e 25%, #282828 50%, #191919 75%, #242424 100%);
    transition: all var(--transition-normal);
    cursor: pointer;
    min-height: 120px;
    overflow: hidden;
    box-shadow: 0 0 0 1px var(--bg-rgba-dark-10);
}

.file-drop-zone:hover {
    border-color: var(--gray-400);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.file-drop-zone.drag-over {
    border-color: var(--accent);
    background: 
        /* Vibrant visible gradients during drag */
        radial-gradient(circle at 25% 25%, rgba(131, 181, 71, 0.2) 0%, rgba(40, 50, 40, 0.3) 40%, transparent 70%),
        radial-gradient(circle at 75% 75%, rgba(255, 183, 0, 0.15) 0%, rgba(50, 50, 40, 0.25) 50%, transparent 80%),
        radial-gradient(circle at 50% 10%, rgba(45, 45, 35, 0.35) 0%, transparent 60%),
        /* Base gradient with accent colors */ linear-gradient(135deg, #2d3525 0%, #242820 25%, #353f2b 50%, #1f251c 75%, #2a3022 100%);
    box-shadow:
        0 0 20px var(--bg-rgba-accent-20),
        var(--shadow-xl);
    transform: scale(1.02);
}

.file-drop-zone.has-file {
    border-color: var(--success);
    border-width: 3px;
    background: 
        /* Success state gradients with green theme */
        radial-gradient(circle at 25% 25%, rgba(131, 181, 71, 0.25) 0%, rgba(40, 50, 40, 0.2) 40%, transparent 70%),
        radial-gradient(circle at 75% 75%, rgba(165, 212, 106, 0.18) 0%, rgba(50, 55, 45, 0.15) 50%, transparent 80%),
        radial-gradient(circle at 50% 10%, rgba(99, 135, 49, 0.2) 0%, transparent 60%),
        /* Base gradient with success colors */ linear-gradient(135deg, #2a3324 0%, #232a1f 25%, #2f3628 50%, #1e251b 75%, #283021 100%);
    border-style: dashed;
}

.file-drop-zone input[type='file'] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 3;
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    height: 100%;
    min-height: 120px;
    text-align: center;
    gap: var(--space-sm);
}

.drop-zone-icon {
    font-size: 2rem;
    color: var(--primary);
    transition: all var(--transition-normal);
    margin-bottom: var(--space-xs);
}

.file-drop-zone:hover .drop-zone-icon {
    color: var(--accent);
    transform: scale(1.1);
}

.file-drop-zone.drag-over .drop-zone-icon {
    color: var(--accent);
    transform: scale(1.2);
    animation: bounce 0.6s ease-in-out infinite alternate;
}

.drop-zone-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    line-height: 1.3;
}

.drop-text-primary {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.drop-text-secondary {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}

.drop-zone-formats {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    font-style: italic;
    margin-top: var(--space-xs);
}

/* File format indicators in drop zones */
.drop-zone-text small {
    font-size: var(--font-size-xs);
}

.file-drop-zone:hover .drop-zone-text small {
    border-color: rgba(100, 100, 100, 0.25);
    transform: translateY(-1px);
}

.file-drop-zone.drag-over .drop-zone-text small {
    color: var(--accent);
    border-color: rgba(131, 181, 71, 0.3);
    animation: pulse 1s ease-in-out infinite;
}

.file-drop-zone.has-file .drop-zone-text small {
    color: var(--success);
    border-color: rgba(131, 181, 71, 0.3);
}

/* Drag overlay */
.drop-zone-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--bg-rgba-accent-20), var(--bg-rgba-accent-30));
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 2;
}

.file-drop-zone.drag-over .drop-zone-overlay {
    opacity: 1;
    visibility: visible;
}

.drop-zone-overlay-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-on-accent);
    font-weight: var(--font-weight-medium);
    text-align: center;
}

.drop-zone-overlay-content i {
    font-size: 2.5rem;
    animation: pulse 1s ease-in-out infinite;
}

/* Animation keyframes */
@keyframes bounce {
    from {
        transform: scale(1.1) translateY(0);
    }
    to {
        transform: scale(1.2) translateY(-4px);
    }
}

@keyframes pulse {
    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

/* File selected state */
.file-drop-zone.has-file .drop-zone-content {
    background: var(--bg-rgba-success-05);
    border-radius: var(--radius-md);
}

.file-drop-zone.has-file .drop-zone-icon {
    color: var(--success);
}

.file-drop-zone.has-file .drop-text-primary {
    color: var(--success);
}

/* Legacy file input wrapper (keeping for compatibility) */
.file-input-wrapper {
    border: var(--primary-border);
    transition: var(--transition-border);
    position: relative;
    height: 2rem;
    background-color: var(--bg-input);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.file-input-wrapper:hover {
    border-color: var(--primary-border-hover);
}

.file-input-wrapper input[type='file'] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.file-input-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 0 var(--space-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    pointer-events: none;
    display: flex;
    align-items: center;
}

/* Settings group */
.settings-group {
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    display: flex;
    flex-direction: column;
}

.settings-row {
    gap: var(--space-lg);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.setting {
    gap: var(--space-md);
    display: flex;
    align-items: center;
}

.setting-label {
    gap: var(--space-sm);
    font-weight: var(--font-weight-medium);
    color: var(--secondary-light);
}

.setting-input {
    padding: var(--space-sm) var(--space-md);
    background-color: var(--bg-input);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    width: 5rem;
    font-size: var(--font-size-md);
    border: var(--primary-border);
    transition: var(--transition-fast);
}

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

/* Toggle switch */
.toggle-switch {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    position: relative;
    cursor: pointer;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.toggle-slider {
    position: relative;
    display: inline-block;
    width: 3rem;
    height: 1.5rem;
    background-color: var(--bg-input);
    border-radius: 1.5rem;
    transition: all 0.3s ease;
}

.toggle-slider:before {
    position: absolute;
    content: '';
    height: 1.2rem;
    width: 1.2rem;
    left: 0.15rem;
    bottom: 0.15rem;
    background-color: var(--text-secondary);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--primary);
    border-color: var(--primary);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(1.5rem);
    background-color: var(--secondary);
}

.toggle-label {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.note-symbols {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    margin-left: var(--space-sm);
    padding: 2px 8px;
    background-color: rgba(0, 0, 0, 0.15);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 1px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: all var(--transition-fast);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

/* Piano Toggle */
.piano-toggle {
    margin-top: var(--space-sm);
}

/* Keybinds panel */
.keybinds-panel {
    background-color: rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.12);
    transition:
        opacity 0.3s ease,
        filter 0.3s ease;
}

.keybinds-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    font-weight: var(--font-weight-bold);
    color: var(--secondary);
}

.keybinds-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(107px, 1fr));
    gap: 0;
    margin-bottom: var(--space-md);
}

.keybind-item {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    padding: 0.25rem;
}

.keybind-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.keybind-input {
    padding: var(--space-sm);
    width: 3rem;
    text-align: center;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: monospace;
    font-size: var(--font-size-md);
    transition: all 0.2s ease;
}

.keybind-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(76, 110, 245, 0.2);
}

/* Keybind change animation */
.keybind-input.changing {
    animation: keybind-change 0.6s ease-out;
}

@keyframes keybind-change {
    0% {
        transform: scale(1);
        background-color: var(--bg-input);
        border-color: var(--border-color);
    }
    15% {
        transform: scale(1.1);
        background-color: rgba(131, 181, 71, 0.15);
        border-color: rgba(131, 181, 71, 0.5);
        box-shadow: 0 0 0 3px rgba(131, 181, 71, 0.2);
    }
    30% {
        transform: scale(1.05);
        background-color: rgba(131, 181, 71, 0.1);
        border-color: rgba(131, 181, 71, 0.3);
    }
    60% {
        transform: scale(1.02);
        background-color: rgba(131, 181, 71, 0.05);
        border-color: var(--accent);
    }
    100% {
        transform: scale(1);
        background-color: var(--bg-input);
        border-color: var(--border-color);
    }
}

/* Staggered animation delays for keybind inputs */
.keybind-input.changing.delay-0 {
    animation-delay: 0ms;
}
.keybind-input.changing.delay-1 {
    animation-delay: 100ms;
}
.keybind-input.changing.delay-2 {
    animation-delay: 200ms;
}
.keybind-input.changing.delay-3 {
    animation-delay: 300ms;
}
.keybind-input.changing.delay-4 {
    animation-delay: 400ms;
}

/* Keybind presets */
.keybinds-presets {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.preset-button {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background-color: var(--bg-input);
    border: 1px solid rgba(255, 183, 0, 0.3);
    border-radius: var(--radius-md);
    color: var(--secondary-light);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.preset-button:hover:not(:disabled) {
    background-color: rgba(255, 183, 0, 0.1);
    border-color: var(--secondary);
    color: var(--secondary);
    box-shadow: 0 0 10px rgba(255, 183, 0, 0.15);
}

.preset-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: rgba(255, 183, 0, 0.1);
}

/* Convert section */
.convert-section {
    display: flex;
    justify-content: left;
    margin-top: var(--space-md);
}

.convert-button {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background-color: var(--primary);
    border: 1px solid var(--primary-dark);
    border-radius: var(--radius-lg);
    color: white;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(230, 59, 13, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.convert-button:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow:
        0 6px 12px rgba(230, 59, 13, 0.4),
        0 0 15px rgba(255, 183, 0, 0.2);
}

.convert-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 5px rgba(230, 59, 13, 0.3);
    background-color: var(--primary-dark);
}

.convert-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--gray-600);
    border-color: var(--gray-500);
    color: var(--gray-400);
    transform: none;
    box-shadow: none;
    text-shadow: none;
    pointer-events: none;
}

.convert-button:disabled:hover {
    transform: none;
    box-shadow: none;
    background-color: var(--gray-600);
}

/* Output area */
.output-card {
    width: 100%;
}

.output-content {
    min-height: 450px;
    padding: var(--space-lg);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-weight: normal;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
    overflow-x: auto;
    box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.2);
    position: relative;
}

.output-content:focus {
    outline: none;
}

/* Debug log */
.debug-card {
    display: block; /* Will be toggled by JS */
    margin-top: var(--space-xl);
}

.debug-log {
    min-height: 100px;
    max-height: 300px;
    overflow-y: auto;
    padding: var(--space-md);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    font-family: monospace;
    font-size: var(--font-size-sm);
    line-height: 1.5;
    color: var(--text-secondary);
    white-space: pre-wrap;
}

/* Instructions card */
.instructions-card .card-body {
    color: var(--text-secondary);
}

.instruction-images {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.instruction-images img {
    max-width: 150px;
    height: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: transform 0.2s ease;
}

.instruction-images img:hover {
    transform: scale(1.05);
}

/* ===================================================================
 * AHK IMPORT BUTTON STYLES
 * ================================================================= */

.ahk-import-button {
    position: relative;
    width: 100%;
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(circle at 25% 25%, rgba(40, 40, 40, 0.4) 0%, rgba(20, 20, 20, 0.2) 40%, transparent 70%),
        radial-gradient(circle at 75% 75%, rgba(50, 50, 50, 0.3) 0%, rgba(30, 30, 30, 0.15) 50%, transparent 80%), radial-gradient(circle at 50% 10%, rgba(35, 35, 35, 0.25) 0%, transparent 60%),
        linear-gradient(135deg, #2d2d2d 0%, #1e1e1e 25%, #282828 50%, #191919 75%, #242424 100%);
    transition: all var(--transition-normal);
    cursor: pointer;
    min-height: 120px;
    overflow: hidden;
    box-shadow: 0 0 0 1px var(--bg-rgba-dark-10);
    padding: 0;
    color: inherit;
    font-family: inherit;
}

.ahk-import-button:hover {
    border-color: var(--secondary);
    transform: translateY(-2px);
    box-shadow:
        0 0 20px rgba(255, 183, 0, 0.15),
        var(--shadow-lg);
}

.ahk-import-button:active {
    transform: translateY(0);
}

.ahk-import-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    gap: var(--space-md);
    min-height: 120px;
}

.ahk-import-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 183, 0, 0.1);
    border: 1px solid rgba(255, 183, 0, 0.2);
    transition: all var(--transition-normal);
}

.ahk-import-icon i {
    font-size: 1.3rem;
    color: var(--secondary);
    transition: all var(--transition-normal);
}

.ahk-import-button:hover .ahk-import-icon {
    background: rgba(255, 183, 0, 0.2);
    border-color: rgba(255, 183, 0, 0.4);
    transform: scale(1.1);
}

.ahk-import-button:hover .ahk-import-icon i {
    color: var(--secondary-light);
}

.ahk-import-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.ahk-text-primary {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    transition: color var(--transition-normal);
}

.ahk-import-button:hover .ahk-text-primary {
    color: var(--secondary-light);
}

.ahk-text-secondary {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.ahk-import-text small {
    font-size: 0.7rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    padding: 0.1rem 0.5rem;
    border-radius: var(--radius-sm);
    margin-top: 0.25rem;
}

/* ===================================================================
 * AHK POPUP MODAL STYLES
 * ================================================================= */

.ahk-popup-content {
    max-width: 700px;
}

.ahk-instructions {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.ahk-instructions code {
    background: rgba(255, 183, 0, 0.1);
    color: var(--secondary-light);
    padding: 0.15rem 0.4rem;
    border-radius: var(--radius-sm);
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.85em;
}

.ahk-textarea {
    width: 100%;
    min-height: 280px;
    padding: var(--space-md);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Fira Code', 'Consolas', 'Courier New', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.6;
    resize: vertical;
    transition:
        border-color var(--transition-normal),
        box-shadow var(--transition-normal);
    box-sizing: border-box;
}

.ahk-textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(255, 183, 0, 0.15);
}

.ahk-textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.ahk-popup-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.ahk-clear-button {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-weight: var(--font-weight-medium);
    width: auto;
    height: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.ahk-clear-button:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--gray-400);
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.ahk-convert-button {
    padding: 0.5rem 1.5rem;
    font-size: var(--font-size-sm);
}

/* AHK button has-file state */
.ahk-import-button.has-file {
    border-color: var(--success);
    border-width: 3px;
    background:
        radial-gradient(circle at 25% 25%, rgba(131, 181, 71, 0.25) 0%, rgba(40, 50, 40, 0.2) 40%, transparent 70%),
        radial-gradient(circle at 75% 75%, rgba(165, 212, 106, 0.18) 0%, rgba(50, 55, 45, 0.15) 50%, transparent 80%), radial-gradient(circle at 50% 10%, rgba(99, 135, 49, 0.2) 0%, transparent 60%),
        linear-gradient(135deg, #2a3324 0%, #232a1f 25%, #2f3628 50%, #1e251b 75%, #283021 100%);
    border-style: dashed;
}

.ahk-import-button.has-file .ahk-import-icon {
    background: rgba(131, 181, 71, 0.2);
    border-color: rgba(131, 181, 71, 0.4);
}

.ahk-import-button.has-file .ahk-import-icon i {
    color: var(--success);
}

.ahk-import-button.has-file .ahk-text-primary {
    color: var(--success);
}

/* Tips Popup */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.popup-overlay.show {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 183, 0, 0.2);
    box-shadow: 0 8px 32px var(--shadow-color);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

.popup-overlay.show .popup-content {
    transform: scale(1) translateY(0);
}

.popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(255, 183, 0, 0.05);
}

.popup-header h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin: 0;
}

.popup-header h3 i {
    color: var(--secondary);
}

.popup-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-md);
    background-color: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.popup-close:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.popup-body {
    padding: var(--space-lg);
    color: var(--text-secondary);
    overflow-y: auto;
    max-height: calc(80vh - 80px);
}

/* Enhanced Tips Popup Content Styling */
.tips-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.tips-block {
    background: linear-gradient(135deg, rgba(230, 59, 13, 0.08) 0%, rgba(255, 183, 0, 0.05) 100%);
    border: 1px solid rgba(255, 183, 0, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tips-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 0 2px 2px 0;
}

.tips-block:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 183, 0, 0.25);
}

.tips-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--secondary-light);
    margin-bottom: var(--space-md);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.tips-title i {
    color: var(--primary-light);
    font-size: 1.2em;
    filter: drop-shadow(0 0 4px rgba(230, 59, 13, 0.4));
}

.tips-block p {
    color: var(--text-primary);
    line-height: 1.6;
    font-size: var(--font-size-md);
    margin: 0;
}

.tips-block p strong {
    color: var(--secondary);
    font-weight: var(--font-weight-bold);
}

/* Enhanced instruction images styling */
.instruction-images {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.1) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-top: var(--space-xl);
}

.images-heading {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.images-heading i {
    color: var(--secondary);
    filter: drop-shadow(0 0 4px rgba(255, 183, 0, 0.4));
}

.images-grid {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
    align-items: flex-start;
}

.image-block {
    flex: 1 1 200px;
    max-width: 280px;
    text-align: center;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    transition: all 0.3s ease;
}

.image-block:hover {
    background: linear-gradient(135deg, rgba(255, 183, 0, 0.08) 0%, rgba(230, 59, 13, 0.05) 100%);
    border-color: rgba(255, 183, 0, 0.2);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.image-block img {
    width: 100%;
    height: auto;
    border: 2px solid rgba(255, 183, 0, 0.2);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    margin-bottom: var(--space-md);
    max-width: none;
}

.image-block:hover img {
    border-color: rgba(255, 183, 0, 0.4);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.image-caption {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-top: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Override the old instruction-images styling */
.instruction-images.old-style {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-md);
    background: none;
    border: none;
    padding: 0;
}

.instruction-images.old-style img {
    max-width: 150px;
    height: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: transform 0.2s ease;
}

/* Special styling for note representation */
.high {
    color: var(--primary-light);
    font-weight: var(--font-weight-bold);
}

.low {
    color: #42c3ff;
    font-weight: var(--font-weight-bold);
}

.bar {
    color: var(--secondary);
    font-weight: var(--font-weight-bold);
}

/* Marker text styling */
.marker {
    /* color: var(--success) !important; */
    background-color: rgba(131, 181, 71, 0.15) !important;
    /* font-style: italic !important; */
    font-weight: var(--font-weight-bold) !important;
    padding: 2px 4px !important;
    /* border-radius: var(--radius-sm) !important;
    border: 1px solid rgba(131, 181, 71, 0.3) !important; */
    display: inline-block !important;
    margin: 0 2px !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3) !important;
}

/* Bars per row control styling */
.bars-per-row-control {
    display: inline-flex;
    align-items: center;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.2s ease;
    font-size: var(--font-size-sm);
}

.bars-per-row-control:hover {
    border-color: var(--primary);
    box-shadow: 0 0 5px rgba(230, 59, 13, 0.2);
}

.bars-per-row-control i {
    padding: var(--space-sm) var(--space-xs);
    color: var(--secondary-light);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
}

.bars-per-row-control label {
    padding: var(--space-sm) var(--space-sm);
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
    margin: 0;
    white-space: nowrap;
    background-color: var(--bg-input);
}

.bars-per-row-control input {
    background-color: var(--bg-input);
    border: none;
    border-left: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: var(--space-sm);
    width: 3rem;
    text-align: center;
    font-size: var(--font-size-sm);
    outline: none;
}

.bars-per-row-control input:focus {
    background-color: var(--bg-secondary);
}

.bars-per-row-control:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(230, 59, 13, 0.2);
}

/* Debug toggle state */
#versionToggle[data-debug='true'] {
    background-color: var(--warning);
    color: var(--gray-900);
}

/* Disabled state */
.disabled {
    opacity: 0.4 !important;
    pointer-events: none !important;
    user-select: none !important;
    filter: grayscale(80%) !important;
    transition: all 0.3s ease !important;
}

/* Special character styles */
#output .bignum,
.output-content .bignum {
    font-family: var(--output-font-family, monospace);
    font-size: 1.5em;
    vertical-align: middle;
    position: relative;
    top: -2px;
    padding-left: 1px;
}

#output .superscript,
.output-content .superscript {
    font-family: var(--output-font-family, monospace);
    font-size: 1.4em;
    vertical-align: middle;
    position: relative;
    top: 1px;
}

#output .apostrophe,
.output-content .apostrophe {
    font-family: var(--output-font-family, 'Courier New', monospace);
    font-size: 1.4em;
    vertical-align: middle;
    position: relative;
    top: 0px;
    left: 2px;
}

/* Custom Opus theme styling */
.settings-card {
    position: relative;
    overflow: visible;
}

.card-header h2 i {
    color: var(--secondary);
}

/* Collapse toggle button */
.collapse-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-md);
    background-color: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.collapse-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.collapse-toggle i {
    transition: transform 0.2s ease;
}

.collapse-toggle.collapsed i {
    transform: rotate(-90deg);
}

/* Collapsible content */
.collapsible-content {
    max-height: 1000px;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.collapsible-content.collapsed {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
}

/* Compact settings card */
.settings-card .card-body {
    padding: var(--space-md);
}

.settings-card .file-inputs {
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.settings-card .settings-group {
    margin-bottom: var(--space-md);
}

.settings-card .keybinds-panel {
    margin-bottom: var(--space-md);
}

/* Output controls */
.output-controls {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    flex-wrap: nowrap; /* Prevent wrapping on desktop */
    overflow: visible; /* Ensure dropdown is not clipped */
    min-height: 40px; /* Ensure consistent height */
}

.font-control {
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.font-control:hover {
    border-color: var(--primary);
}

.font-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(230, 59, 13, 0.2);
}

/* ===================================================================
 * CUSTOM FONT SELECTOR
 * ================================================================= */
.custom-font-selector {
    position: relative;
    display: inline-block;
}

.font-selector-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: 2px var(--space-sm);
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 160px;
    user-select: none;
}

.font-selector-trigger:hover {
    border-color: var(--primary);
    background-color: rgba(230, 59, 13, 0.05);
}

.font-selector-trigger.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(230, 59, 13, 0.2);
}

.selected-font-name {
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.font-selector-trigger .selector-arrow {
    font-size: 0.7em;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.font-selector-trigger.active .selector-arrow {
    transform: rotate(180deg);
}

.font-options-panel {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 48px var(--shadow-color);
    z-index: 9999;
    min-width: 420px;
    max-width: 500px;
    max-height: 420px;
    overflow-y: auto;
    overflow-x: hidden; /* Prevent horizontal scrollbar */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    margin-top: 4px;
}

.font-options-panel.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Position adjustments for font dropdown */
.font-options-panel.position-right {
    left: auto;
    right: 0;
}

.font-options-panel.position-up {
    top: auto;
    bottom: 100%;
    margin-top: 0;
    margin-bottom: 4px;
    transform: translateY(10px);
}

.font-options-panel.position-up.show {
    transform: translateY(0);
}

.font-option {
    padding: var(--space-md);
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    border-left: 2px solid transparent;
    background: transparent;
}

.font-option:last-child {
    border-bottom: none;
}

.font-option:hover,
.font-option.focused {
    background-color: rgba(230, 59, 13, 0.08);
    border-left: 2px solid rgba(230, 59, 13, 0.6);
    /* Removed translateX to prevent horizontal scrollbar */
    box-shadow: inset 2px 0 0 rgba(230, 59, 13, 0.6);
}

.font-option.selected {
    background: linear-gradient(135deg, rgba(230, 59, 13, 0.15) 0%, rgba(255, 183, 0, 0.1) 100%);
    border-left: 4px solid var(--primary);
    box-shadow: inset 0 0 8px rgba(230, 59, 13, 0.1);
}

.font-option.selected .font-name {
    color: var(--primary-light);
    font-weight: var(--font-weight-bold);
}

.font-name {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.font-sample {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.4;
    word-wrap: break-word;
    white-space: normal;
    overflow-wrap: anywhere;
    padding: var(--space-md);
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.25) 100%);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-weight: var(--font-weight-normal);
    letter-spacing: 0.5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(2px);
    min-height: 2.5rem;
    display: flex;
    align-items: center;
}

.hidden-select {
    display: none !important;
}

/* ===================================================================
 * CUSTOM FONT SIZE SELECTOR
 * ================================================================= */

.custom-font-size-selector {
    position: relative;
    display: inline-block;
}

.font-size-selector-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: 2px var(--space-sm);
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 80px;
    max-width: 120px;
    user-select: none;
    overflow: hidden;
    box-sizing: border-box;
}

.font-size-selector-trigger:hover {
    border-color: var(--primary);
    background-color: rgba(230, 59, 13, 0.05);
}

.font-size-selector-trigger.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(230, 59, 13, 0.2);
}

.selected-font-size {
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.font-size-selector-trigger .selector-arrow {
    font-size: 0.7em;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.font-size-selector-trigger.active .selector-arrow {
    transform: rotate(180deg);
}

.font-size-options-panel {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    pointer-events: none;
    max-height: 300px;
    overflow-y: auto;
    min-width: 195px;
}

.font-size-options-panel.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.font-size-options-panel.position-right {
    left: auto;
    right: 0;
}

.font-size-options-panel.position-up {
    top: auto;
    bottom: 100%;
    transform: translateY(10px);
}

.font-size-options-panel.position-up.show {
    transform: translateY(0);
}

.font-size-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    border-left: 2px solid transparent;
    background: transparent;
}

.font-size-option:last-child {
    border-bottom: none;
}

.font-size-option:hover,
.font-size-option.focused {
    background-color: rgba(230, 59, 13, 0.08);
    border-left: 2px solid rgba(230, 59, 13, 0.6);
    box-shadow: inset 2px 0 0 rgba(230, 59, 13, 0.6);
}

.font-size-option.selected {
    background: linear-gradient(135deg, rgba(230, 59, 13, 0.15) 0%, rgba(255, 183, 0, 0.1) 100%);
    border-left: 4px solid var(--primary);
    box-shadow: inset 0 0 8px rgba(230, 59, 13, 0.1);
}

.font-size-option.selected .font-size-name {
    color: var(--primary-light);
    font-weight: var(--font-weight-bold);
}

.font-size-name {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-right: var(--space-md);
}

.font-size-sample {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.4;
    padding: var(--space-sm);
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.25) 100%);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-weight: var(--font-weight-normal);
    letter-spacing: 0.5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(2px);
    min-width: 80px;
    display: flex;
    align-items: center;
}

/* ===================================================================
 * CUSTOM BARS PER ROW SELECTOR
 * ================================================================= */

.custom-bars-selector {
    position: relative;
    display: inline-block;
}

.bars-selector-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: 2px var(--space-sm);
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 100px;
    max-width: 140px;
    user-select: none;
    overflow: hidden;
    box-sizing: border-box;
}

.bars-selector-trigger:hover {
    border-color: var(--primary);
    background-color: rgba(230, 59, 13, 0.05);
}

.bars-selector-trigger.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(230, 59, 13, 0.2);
}

.selected-bars-name {
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.bars-selector-trigger .selector-arrow {
    font-size: 0.7em;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.bars-selector-trigger.active .selector-arrow {
    transform: rotate(180deg);
}

.bars-options-panel {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    pointer-events: none;
    max-height: 300px;
    overflow-y: auto;
    min-width: 249px;
}

.bars-options-panel.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.bars-options-panel.position-right {
    left: auto;
    right: 0;
}

.bars-options-panel.position-up {
    top: auto;
    bottom: 100%;
    transform: translateY(10px);
}

.bars-options-panel.position-up.show {
    transform: translateY(0);
}

.bars-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    border-left: 2px solid transparent;
    background: transparent;
}

.bars-option:last-child {
    border-bottom: none;
}

.bars-option:hover,
.bars-option.focused {
    background-color: rgba(230, 59, 13, 0.08);
    border-left: 2px solid rgba(230, 59, 13, 0.6);
    box-shadow: inset 2px 0 0 rgba(230, 59, 13, 0.6);
}

.bars-option.selected {
    background: linear-gradient(135deg, rgba(230, 59, 13, 0.15) 0%, rgba(255, 183, 0, 0.1) 100%);
    border-left: 4px solid var(--primary);
    box-shadow: inset 0 0 8px rgba(230, 59, 13, 0.1);
}

.bars-option.selected .bars-name {
    color: var(--primary-light);
    font-weight: var(--font-weight-bold);
}

.bars-name {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-right: var(--space-md);
}

.bars-sample {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.4;
    padding: var(--space-sm);
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.25) 100%);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-weight: var(--font-weight-normal);
    letter-spacing: 0.5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(2px);
    min-width: 80px;
    display: flex;
    align-items: center;
}

/* ===================================================================
 * CUSTOM TIME SIGNATURE SELECTOR
 * ================================================================= */

.custom-timesig-selector {
    position: relative;
    display: inline-block;
}

.timesig-selector-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: 2px var(--space-sm);
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 140px;
    user-select: none;
}

.timesig-selector-trigger:hover {
    border-color: var(--primary);
    background-color: rgba(230, 59, 13, 0.05);
}

.timesig-selector-trigger.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(230, 59, 13, 0.2);
}

.selected-timesig-name {
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
}

.timesig-selector-trigger .selector-arrow {
    font-size: 0.7em;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.timesig-selector-trigger.active .selector-arrow {
    transform: rotate(180deg);
}

.timesig-options-panel {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    pointer-events: none;
    max-height: 300px;
    overflow-y: auto;
    min-width: 200px;
}

.timesig-options-panel.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.timesig-options-panel.position-right {
    left: auto;
    right: 0;
}

.timesig-options-panel.position-up {
    top: auto;
    bottom: 100%;
    transform: translateY(10px);
}

.timesig-options-panel.position-up.show {
    transform: translateY(0);
}

.timesig-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    border-left: 2px solid transparent;
    background: transparent;
}

.timesig-option:last-child {
    border-bottom: none;
}

.timesig-option:hover,
.timesig-option.focused {
    background-color: rgba(230, 59, 13, 0.08);
    border-left: 2px solid rgba(230, 59, 13, 0.6);
    box-shadow: inset 2px 0 0 rgba(230, 59, 13, 0.6);
}

.timesig-option.selected {
    background: linear-gradient(135deg, rgba(230, 59, 13, 0.15) 0%, rgba(255, 183, 0, 0.1) 100%);
    border-left: 4px solid var(--primary);
    box-shadow: inset 0 0 8px rgba(230, 59, 13, 0.1);
}

.timesig-option.selected .timesig-name {
    color: var(--primary-light);
    font-weight: var(--font-weight-bold);
}

.timesig-name {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-right: var(--space-md);
}

.timesig-sample {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.4;
    padding: var(--space-sm);
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.25) 100%);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-weight: var(--font-weight-normal);
    letter-spacing: 0.5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(2px);
    min-width: 80px;
    display: flex;
    align-items: center;
}

/* ===================================================================
 * IMPORT HIGHLIGHTING THEMES
 * ================================================================= */
@import url('./themes.css');
/* ===================================================================
 * CUSTOM THEME SELECTOR
 * ================================================================= */
.custom-theme-selector {
    position: relative;
    display: inline-block;
}

.theme-selector-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: 2px var(--space-sm);
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 160px;
    user-select: none;
}

.theme-selector-trigger:hover {
    border-color: var(--primary);
    background-color: rgba(230, 59, 13, 0.05);
}

.theme-selector-trigger.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(230, 59, 13, 0.2);
}

.selected-theme-name {
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.theme-selector-trigger .selector-arrow {
    font-size: 0.7em;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.theme-selector-trigger.active .selector-arrow {
    transform: rotate(180deg);
}

.theme-options-panel {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 48px var(--shadow-color);
    z-index: 9999;
    min-width: 420px;
    max-width: 500px;
    max-height: 420px;
    overflow-y: auto;
    overflow-x: hidden; /* Prevent horizontal scrollbar */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    margin-top: 4px;
}

.theme-options-panel.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Position adjustments for theme dropdown */
.theme-options-panel.position-right {
    left: auto;
    right: 0;
}

.theme-options-panel.position-up {
    top: auto;
    bottom: 100%;
    margin-top: 0;
    margin-bottom: 4px;
    transform: translateY(10px);
}

.theme-options-panel.position-up.show {
    transform: translateY(0);
}

.theme-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    border-left: 2px solid transparent;
    background: transparent;
}

.theme-option:last-child {
    border-bottom: none;
}

.theme-option:hover,
.theme-option.focused {
    background-color: rgba(230, 59, 13, 0.08);
    border-left: 2px solid rgba(230, 59, 13, 0.6);
    /* Removed translateX to prevent horizontal scrollbar */
    box-shadow: inset 2px 0 0 rgba(230, 59, 13, 0.6);
}

.theme-option.selected {
    background: linear-gradient(135deg, rgba(230, 59, 13, 0.15) 0%, rgba(255, 183, 0, 0.1) 100%);
    border-left: 4px solid var(--primary);
    box-shadow: inset 0 0 8px rgba(230, 59, 13, 0.1);
}

.theme-option.selected .theme-name {
    color: var(--primary-light);
    font-weight: var(--font-weight-bold);
}

.theme-info {
    flex: 1;
    margin-right: var(--space-md);
}

.theme-name {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.theme-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.4;
}

.theme-preview {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm);
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.25) 100%);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
    min-width: 80px;
    justify-content: center;
    backdrop-filter: blur(2px);
}

/* Theme-specific preview colors */
.theme-option[data-value='default'] .preview-high {
    color: var(--primary-light);
    font-weight: bold;
}
.theme-option[data-value='default'] .preview-bar {
    color: var(--secondary);
    font-weight: bold;
}
.theme-option[data-value='default'] .preview-low {
    color: #42c3ff;
    font-weight: bold;
}

.theme-option[data-value='none'] .preview-plain {
    color: var(--text-primary);
}

.theme-option[data-value='vibrant'] .preview-high {
    color: #ff0080;
    font-weight: bold;
}
.theme-option[data-value='vibrant'] .preview-bar {
    color: #00ff40;
    font-weight: bold;
}
.theme-option[data-value='vibrant'] .preview-low {
    color: #0080ff;
    font-weight: bold;
}

.theme-option[data-value='pastel'] .preview-high {
    color: #ffb3d9;
    font-weight: bold;
}
.theme-option[data-value='pastel'] .preview-bar {
    color: #b3ffb3;
    font-weight: bold;
}
.theme-option[data-value='pastel'] .preview-low {
    color: #b3d9ff;
    font-weight: bold;
}

.theme-option[data-value='monochrome'] .preview-high {
    color: #ffffff;
    font-weight: bold;
}
.theme-option[data-value='monochrome'] .preview-bar {
    color: #cccccc;
    font-weight: bold;
}
.theme-option[data-value='monochrome'] .preview-low {
    color: #888888;
    font-weight: bold;
}

.theme-option[data-value='neon'] .preview-high {
    color: #ff0080;
    font-weight: bold;
    text-shadow: 0 0 10px #ff0080;
}
.theme-option[data-value='neon'] .preview-bar {
    color: #00ff40;
    font-weight: bold;
    text-shadow: 0 0 10px #00ff40;
}
.theme-option[data-value='neon'] .preview-low {
    color: #0080ff;
    font-weight: bold;
    text-shadow: 0 0 10px #0080ff;
}

.theme-option[data-value='retro'] .preview-high {
    color: #ffb000;
    font-weight: bold;
}
.theme-option[data-value='retro'] .preview-bar {
    color: #00ff00;
    font-weight: bold;
}
.theme-option[data-value='retro'] .preview-low {
    color: #ff8000;
    font-weight: bold;
}

.theme-option[data-value='ocean'] .preview-high {
    color: #40e0d0;
    font-weight: bold;
}
.theme-option[data-value='ocean'] .preview-bar {
    color: #0080ff;
    font-weight: bold;
}
.theme-option[data-value='ocean'] .preview-low {
    color: #008080;
    font-weight: bold;
}

.theme-option[data-value='sunset'] .preview-high {
    color: #ff4500;
    font-weight: bold;
}
.theme-option[data-value='sunset'] .preview-bar {
    color: #ffd700;
    font-weight: bold;
}
.theme-option[data-value='sunset'] .preview-low {
    color: #8b008b;
    font-weight: bold;
}

/* Dark theme preview background */
.theme-preview-dark {
    background: #1a1a1a !important;
    border: 1px solid #333333 !important;
    color: #ffffff;
}

.theme-option[data-value='darkneon'] .preview-high {
    color: #ff0080;
    font-weight: bold;
    text-shadow: 0 0 8px #ff0080;
}
.theme-option[data-value='darkneon'] .preview-bar {
    color: #ffffff;
    font-weight: bold;
    text-shadow: 0 0 5px #ffffff;
}
.theme-option[data-value='darkneon'] .preview-low {
    color: #00ffff;
    font-weight: bold;
    text-shadow: 0 0 8px #00ffff;
}

.theme-option[data-value='midnight'] .preview-high {
    color: #66d9ff;
    font-weight: bold;
    text-shadow: 0 0 6px #66d9ff;
}
.theme-option[data-value='midnight'] .preview-bar {
    color: #ffffff;
    font-weight: bold;
    text-shadow: 0 0 4px #ffffff;
}
.theme-option[data-value='midnight'] .preview-low {
    color: #9966ff;
    font-weight: bold;
    text-shadow: 0 0 6px #9966ff;
}

/* ===================================================================
 * FILE INPUT GRID LAYOUT
 * ================================================================= */

/* File input section styling */
.file-section-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.file-section-title i {
    color: var(--primary);
    font-size: 1.2em;
}

.file-section-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin-bottom: var(--space-lg);
}

/* File input divider */
.file-input-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 100px;
}

.divider-text {
    background-color: rgba(0, 0, 0, 0.15);
    padding: var(--space-sm) var(--space-md);
    border: none;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    letter-spacing: 0.5px;
    position: relative;
    z-index: 1;
    box-shadow: none;
}

/* File input grid layout - Desktop */
.file-input-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: var(--space-lg);
    align-items: stretch;
}

/* ===================================================================
 * RESPONSIVE STYLES FOR DRAG AND DROP
 * ================================================================= */

/* Mobile and small tablet adjustments */
@media (max-width: 768px) {
    /* Fix background coverage on mobile */
    html,
    body {
        /* height: 100%;
        min-height: 100vh;
        min-height: 100dvh; */
    }

    body {
        background-attachment: scroll; /* Fixed backgrounds don't work well on mobile */
    }

    .file-input-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .file-input-divider {
        min-height: auto;
        padding: var(--space-md) 0;
    }

    .divider-text {
        padding: var(--space-xs) var(--space-sm);
    }

    .file-drop-zone {
        min-height: 100px;
    }

    .drop-zone-content {
        padding: var(--space-md);
        min-height: 100px;
    }

    .drop-zone-icon {
        font-size: 1.5rem;
    }

    .ahk-import-button {
        min-height: 100px;
    }

    .ahk-import-content {
        min-height: 100px;
    }

    .drop-text-primary {
        font-size: var(--font-size-xs);
    }

    .drop-text-secondary {
        font-size: 10px;
    }

    .drop-zone-formats {
        font-size: 10px;
    }

    /* Stack controls in two rows if needed */
    .output-controls {
        max-width: 100%;
        flex-wrap: wrap;
    }

    /* Make the output card header more mobile friendly */
    .output-card .card-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-sm);
        padding: var(--space-sm) var(--space-md);
    }

    .output-card .card-header h2 {
        font-size: var(--font-size-md);
        justify-content: center;
        margin-bottom: 0;
    }

    .output-card .card-actions {
        justify-content: center;
        flex-wrap: wrap;
        width: 100%;
    }

    /* Card header adjustments for mobile */
    .card-header {
        padding: var(--space-sm) var(--space-md);
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-sm);
    }

    .card-header h2 {
        font-size: var(--font-size-md);
        justify-content: center;
    }

    .card-actions {
        justify-content: center;
        flex-wrap: wrap;
    }

    /* Ensure dropdowns don't get cut off on small screens */
    .bars-options-panel,
    .timesig-options-panel,
    .theme-options-panel,
    .font-options-panel,
    .font-size-options-panel {
        max-width: 90vw; /* Prevent dropdown from exceeding viewport */
        left: auto;
        right: 0; /* Align to right edge if needed */
    }

    /* Reduce dropdown option padding */
    .bars-option,
    .timesig-option,
    .theme-option,
    .font-option,
    .font-size-option {
        padding: var(--space-xs);
    }

    /* Make theme previews more compact */
    .theme-preview {
        font-size: 10px;
    }

    /* Reduce font sample size */
    .font-sample,
    .font-size-sample {
        font-size: 10px;
    }

    /* Improve touch targets for mobile */
    .bars-selector-trigger,
    .timesig-selector-trigger,
    .transpose-selector-trigger,
    .theme-selector-trigger,
    .font-selector-trigger,
    .font-size-selector-trigger {
        min-height: 32px; /* Ensure adequate touch target size */
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    /* Improve dropdown positioning on mobile */
    .bars-options-panel,
    .timesig-options-panel,
    .theme-options-panel,
    .font-options-panel,
    .font-size-options-panel {
        position: absolute; /* Keep absolute positioning but adjust */
        left: 0;
        right: 0;
        top: 100%;
        max-width: 100vw; /* Prevent dropdown from exceeding viewport */
        width: auto;
        min-width: 200px;
        max-height: 40vh; /* Limit height to viewport */
        overflow-y: auto;
        z-index: 9999;
        box-shadow: var(--shadow-xl);
        border: 1px solid var(--border-color);
        margin-top: 4px;
    }

    /* Adjust dropdown positioning for right-aligned items */
    .bars-options-panel.position-right,
    .timesig-options-panel.position-right,
    .theme-options-panel.position-right,
    .font-options-panel.position-right,
    .font-size-options-panel.position-right {
        left: auto;
        right: 0;
        min-width: 180px;
    }
}

/* Very small screens */
@media (max-width: 320px) {
    .output-controls {
        gap: 2px;
        flex-direction: column; /* Stack vertically on very small screens */
        align-items: stretch;
    }

    /* Create rows of controls on very small screens */
    .output-controls .octave-button,
    .output-controls .custom-bars-selector,
    .output-controls .custom-timesig-selector,
    .output-controls .custom-transpose-selector {
        order: 1;
    }

    .output-controls .custom-theme-selector,
    .output-controls .custom-font-selector,
    .output-controls .custom-font-size-selector,
    .output-controls #copyOutputBtn {
        order: 2;
    }

    .bars-selector-trigger,
    .timesig-selector-trigger,
    .transpose-selector-trigger,
    .theme-selector-trigger,
    .font-selector-trigger,
    .font-size-selector-trigger {
        padding: 4px 6px;
        font-size: 10px;
        max-width: none; /* Remove max-width on very small screens */
        width: 100%;
    }
}

/* Mobile phone adjustments */
@media (max-width: 480px) {
    /* Reduce app container padding on mobile */
    .app-container {
        padding: var(--space-xs);
        max-width: 100%;
    }

    /* Reduce main content gap */
    .app-main {
        gap: var(--space-sm);
    }

    /* Make cards more compact */
    .card {
        margin-bottom: var(--space-sm);
    }

    .card-body {
        padding: var(--space-sm);
    }

    .output-controls {
        gap: 4px; /* Very small gap to fit more items */
        justify-content: flex-start; /* Align to start */
        flex-wrap: wrap; /* Allow wrapping */
        align-items: center;
    }

    /* Further reduce octave button size */
    .octave-button {
        min-width: 32px;
        padding: 6px;
        font-size: var(--font-size-xs);
    }

    /* Make selectors even more compact */
    .bars-selector-trigger,
    .timesig-selector-trigger,
    .transpose-selector-trigger,
    .theme-selector-trigger,
    .font-selector-trigger,
    .font-size-selector-trigger {
        padding: 6px 8px;
        font-size: 11px;
        min-width: auto;
        max-width: 80px; /* Limit width to prevent overflow */
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    /* Reduce selected text size further */
    .selected-bars-name,
    .selected-timesig-name,
    .selected-transpose-name,
    .selected-theme-name,
    .selected-font-name,
    .selected-font-size {
        font-size: 11px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /* Make selector arrows smaller */
    .selector-arrow {
        font-size: 10px;
    }

    /* Make copy button even more compact */
    #copyOutputBtn {
        padding: 6px;
        min-width: 32px;
        font-size: var(--font-size-xs);
    }

    /* Improve touch targets for mobile */
    .bars-selector-trigger,
    .timesig-selector-trigger,
    .transpose-selector-trigger,
    .theme-selector-trigger,
    .font-selector-trigger,
    .font-size-selector-trigger {
        min-height: 32px; /* Ensure adequate touch target size */
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    /* Improve dropdown positioning on mobile */
    .bars-options-panel,
    .timesig-options-panel,
    .transpose-options-panel,
    .theme-options-panel,
    .font-options-panel,
    .font-size-options-panel {
        position: absolute; /* Keep absolute positioning but adjust */
        left: 0;
        right: 0;
        top: 100%;
        max-width: 100vw; /* Prevent dropdown from exceeding viewport */
        width: auto;
        min-width: 200px;
        max-height: 40vh; /* Limit height to viewport */
        overflow-y: auto;
        z-index: 9999;
        box-shadow: var(--shadow-xl);
        border: 1px solid var(--border-color);
        margin-top: 4px;
    }

    /* Adjust dropdown positioning for right-aligned items */
    .bars-options-panel.position-right,
    .timesig-options-panel.position-right,
    .transpose-options-panel.position-right,
    .theme-options-panel.position-right,
    .font-options-panel.position-right,
    .font-size-options-panel.position-right {
        left: auto;
        right: 0;
        min-width: 180px;
    }
}

/* ===================================================================
 * CUSTOM TRANSPOSE SELECTOR
 * ================================================================= */

.custom-transpose-selector {
    position: relative;
    display: inline-block;
}

.transpose-selector-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: 2px var(--space-sm);
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 120px;
    max-width: 160px;
    user-select: none;
    overflow: hidden;
    box-sizing: border-box;
}

.transpose-selector-trigger:hover {
    border-color: var(--primary);
    background-color: rgba(230, 59, 13, 0.05);
}

.transpose-selector-trigger.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(230, 59, 13, 0.2);
}

.selected-transpose-name {
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.transpose-selector-trigger .selector-arrow {
    font-size: 0.7em;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.transpose-selector-trigger.active .selector-arrow {
    transform: rotate(180deg);
}

.transpose-options-panel {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    pointer-events: none;
    max-height: 300px;
    overflow-y: auto;
    min-width: 200px;
}

.transpose-options-panel.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.transpose-options-panel.position-right {
    left: auto;
    right: 0;
}

.transpose-options-panel.position-up {
    top: auto;
    bottom: 100%;
    transform: translateY(10px);
}

.transpose-options-panel.position-up.show {
    transform: translateY(0);
}

.transpose-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    border-left: 2px solid transparent;
    background: transparent;
}

.transpose-option:last-child {
    border-bottom: none;
}

.transpose-option:hover,
.transpose-option.focused {
    background-color: rgba(230, 59, 13, 0.08);
    border-left: 2px solid rgba(230, 59, 13, 0.6);
    box-shadow: inset 2px 0 0 rgba(230, 59, 13, 0.6);
}

.transpose-option.selected {
    background: linear-gradient(135deg, rgba(230, 59, 13, 0.15) 0%, rgba(255, 183, 0, 0.1) 100%);
    border-left: 4px solid var(--primary);
    box-shadow: inset 0 0 8px rgba(230, 59, 13, 0.1);
}

.transpose-option.selected .transpose-name {
    color: var(--primary-light);
    font-weight: var(--font-weight-bold);
}

.transpose-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-right: var(--space-md);
}

.transpose-sample {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.4;
    padding: var(--space-sm);
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.25) 100%);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-weight: var(--font-weight-normal);
    letter-spacing: 0.5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(2px);
    min-width: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.transpose-selector-trigger.disabled {
    background-color: var(--bg-card);
    color: var(--text-disabled);
    cursor: not-allowed;
    opacity: 0.6;
}

.transpose-selector-trigger.disabled:hover {
    border-color: var(--border-color);
    background-color: var(--bg-card);
    box-shadow: none;
}

/* End of CSS file */