/* ===================================
   Video Converter - Modern UI Styles
   =================================== */

:root {
    /* Color Palette - Cyberpunk inspired */
    --primary: #7c3aed;
    --primary-light: #a78bfa;
    --primary-dark: #5b21b6;
    --secondary: #06b6d4;
    --secondary-light: #22d3ee;
    --accent: #f472b6;
    --accent-light: #f9a8d4;
    
    /* Status Colors */
    --success: #10b981;
    --success-light: #34d399;
    --warning: #f59e0b;
    --warning-light: #fbbf24;
    --error: #ef4444;
    --error-light: #f87171;
    --info: #3b82f6;
    
    /* Neutral Colors */
    --bg-dark: #0f0f1a;
    --bg-card: rgba(20, 20, 35, 0.8);
    --bg-card-hover: rgba(30, 30, 50, 0.9);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(124, 58, 237, 0.2);
    --border-hover: rgba(124, 58, 237, 0.5);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.3);
    --shadow-glow-accent: 0 0 30px rgba(244, 114, 182, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--secondary) 0%, transparent 70%);
    bottom: -150px;
    left: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.9); }
    75% { transform: translate(-50px, -30px) scale(1.05); }
}

/* Glass Card Effect */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.glass-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

/* App Container */
.app-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-lg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) 0;
    margin-bottom: var(--space-xl);
}

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

.logo-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-glow);
    animation: pulse-glow 3s infinite ease-in-out;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(124, 58, 237, 0.4); }
    50% { box-shadow: 0 0 40px rgba(124, 58, 237, 0.6); }
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text .tagline {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.header-stats {
    display: flex;
    gap: var(--space-md);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--success-light);
}

.stat-item i {
    font-size: 1rem;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

/* Section Title */
.section-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.section-title i {
    color: var(--primary-light);
}

.section-title .file-count {
    font-weight: 400;
    color: var(--text-secondary);
}

/* Settings Panel */
.settings-panel {
    padding: var(--space-xl);
}

.settings-panel .section-title {
    margin-bottom: var(--space-lg);
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

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

.setting-group label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.setting-group label i {
    color: var(--primary-light);
    width: 20px;
    text-align: center;
}

/* Format Buttons */
.format-buttons {
    display: flex;
    gap: var(--space-sm);
}

.format-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.format-btn:hover {
    background: rgba(124, 58, 237, 0.1);
    border-color: var(--primary);
    color: var(--text-primary);
}

.format-btn.active {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(244, 114, 182, 0.1));
    border-color: var(--primary);
    color: var(--text-primary);
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.2);
}

.format-btn i {
    font-size: 1.5rem;
}

.format-btn span {
    font-weight: 600;
    font-size: 1rem;
}

.format-btn small {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Custom Select */
.custom-select {
    width: 100%;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-base);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
}

.custom-select:hover,
.custom-select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.custom-select option {
    background: var(--bg-dark);
    color: var(--text-primary);
    padding: var(--space-md);
}

/* Custom Input */
.custom-input {
    width: 100%;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-base);
}

.custom-input::placeholder {
    color: var(--text-muted);
}

.custom-input:hover,
.custom-input:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.input-hint {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Upload Section */
.upload-section {
    padding: var(--space-md);
}

.drop-zone {
    position: relative;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    overflow: hidden;
}

.drop-zone:hover {
    border-color: var(--primary);
    background: rgba(124, 58, 237, 0.05);
}

.drop-zone.drag-over {
    border-color: var(--secondary);
    background: rgba(6, 182, 212, 0.1);
    transform: scale(1.01);
}

.drop-zone.drag-over .drop-zone-content {
    opacity: 0;
    transform: scale(0.95);
}

.drop-zone.drag-over .drop-zone-hover {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.drop-zone-content {
    transition: all var(--transition-base);
}

.upload-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-glow);
    animation: bounce-slow 3s infinite ease-in-out;
}

@keyframes bounce-slow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.drop-zone h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.drop-zone p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.file-select-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-radius: var(--radius-full);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.file-select-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.supported-formats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.supported-formats span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.supported-formats span i {
    color: var(--success);
    font-size: 0.75rem;
}

.file-limit-info {
    margin-top: var(--space-md);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.file-limit-info i {
    margin-right: var(--space-xs);
}

.drop-zone-hover {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    transition: all var(--transition-base);
    color: var(--secondary-light);
}

.drop-zone-hover i {
    font-size: 4rem;
    animation: pulse 1s infinite;
}

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

.drop-zone-hover span {
    font-size: 1.25rem;
    font-weight: 600;
}

/* Queue Section */
.queue-section {
    padding: var(--space-xl);
}

.queue-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.queue-actions {
    display: flex;
    gap: var(--space-sm);
}

/* File Queue */
.file-queue {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-height: 400px;
    overflow-y: auto;
    padding-right: var(--space-sm);
}

.file-queue::-webkit-scrollbar {
    width: 6px;
}

.file-queue::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
}

.file-queue::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: var(--radius-full);
}

.file-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.file-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-hover);
}

.file-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

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

.file-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: var(--space-xs);
}

.file-meta {
    display: flex;
    gap: var(--space-md);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.file-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.file-progress {
    width: 120px;
    display: none;
}

.file-item.uploading .file-progress {
    display: block;
}

.file-progress-bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.file-progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.file-progress-text {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    margin-top: var(--space-xs);
}

.file-status {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.file-status.pending {
    background: rgba(148, 163, 184, 0.2);
    color: var(--text-secondary);
}

.file-status.uploading {
    background: rgba(59, 130, 246, 0.2);
    color: var(--info);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.file-status.uploaded {
    background: rgba(6, 182, 212, 0.2);
    color: var(--secondary-light);
}

.file-status.converting {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-light);
    animation: spin 1s linear infinite;
}

.file-status.completed {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-light);
}

.file-status.error {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error-light);
}

.file-remove {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: rgba(239, 68, 68, 0.1);
    border: none;
    color: var(--error-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.file-remove:hover {
    background: rgba(239, 68, 68, 0.2);
    transform: scale(1.1);
}

/* Progress Section */
.progress-section {
    padding: var(--space-xl);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-md);
}

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

.progress-bar-container {
    width: 200px;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    background-size: 200% 100%;
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
    animation: gradient-shift 2s ease infinite;
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

#overallProgressText {
    font-weight: 600;
    color: var(--primary-light);
    min-width: 45px;
}

.conversion-status {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-height: 300px;
    overflow-y: auto;
}

.status-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    animation: fadeIn 0.3s ease;
}

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

.status-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.status-icon.converting {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-light);
}

.status-icon.converting i {
    animation: spin 1s linear infinite;
}

.status-icon.success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-light);
}

.status-icon.error {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error-light);
}

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

.status-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.status-detail {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.status-progress {
    width: 100px;
}

.status-progress-bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.status-progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--warning), var(--success));
    transition: width 0.3s ease;
}

/* Download Section */
.download-section {
    padding: var(--space-2xl);
}

.download-content {
    text-align: center;
}

.success-animation {
    margin-bottom: var(--space-xl);
}

.checkmark-circle {
    width: 100px;
    height: 100px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--success), var(--success-light));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 0 40px rgba(16, 185, 129, 0.4);
    animation: success-pop 0.5s ease;
}

@keyframes success-pop {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

.download-content h2 {
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, var(--success), var(--success-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.download-content p {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.download-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: var(--radius-full);
    font-size: 0.9375rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(16, 185, 129, 0.4);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-ghost:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1rem;
}

/* Footer */
.app-footer {
    text-align: center;
    padding: var(--space-xl) 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.app-footer i {
    color: var(--success);
    margin-right: var(--space-xs);
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s ease;
    max-width: 400px;
}

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

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--error);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

.toast.info {
    border-left: 4px solid var(--info);
}

.toast-icon {
    font-size: 1.25rem;
}

.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--error); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info .toast-icon { color: var(--info); }

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.toast-message {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-xs);
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--text-primary);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 15, 26, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.loading-spinner {
    text-align: center;
}

.spinner {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-lg);
    border: 3px solid rgba(124, 58, 237, 0.2);
    border-top-color: var(--primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

.loading-spinner p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

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

/* Responsive */
@media (max-width: 768px) {
    .app-container {
        padding: var(--space-md);
    }

    .app-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

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

    .drop-zone {
        padding: var(--space-xl);
    }

    .queue-header {
        flex-direction: column;
        align-items: stretch;
    }

    .queue-actions {
        justify-content: stretch;
    }

    .queue-actions .btn {
        flex: 1;
    }

    .file-item {
        flex-wrap: wrap;
    }

    .file-progress {
        width: 100%;
        order: 10;
    }

    .overall-progress {
        width: 100%;
    }

    .progress-bar-container {
        flex: 1;
    }

    .toast-container {
        left: var(--space-md);
        right: var(--space-md);
        bottom: var(--space-md);
    }

    .toast {
        max-width: none;
    }
}

@media (max-width: 480px) {
    .format-buttons {
        flex-direction: column;
    }

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

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