/* Supernext to Magic Box URL Converter - Styles */

:root {
    /* Color Palette */
    --primary-color: #0056b3;
    --primary-dark: #004494;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--dark-color);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    padding: var(--spacing-md);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.header .subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Main Content */
.main-content {
    padding: var(--spacing-xl);
}

/* Sections */
.input-section,
.output-section,
.preview-section,
.info-section {
    margin-bottom: var(--spacing-xxl);
}

h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--light-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

h3 {
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
}

/* Input Section */
.input-group {
    background: var(--light-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    border: 1px solid #dee2e6;
    transition: all var(--transition-normal);
}

.input-group.drag-over {
    background: #e3f2fd;
    border: 2px dashed var(--primary-color);
    transform: scale(1.01);
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--dark-color);
}

textarea {
    width: 100%;
    min-height: 200px;
    padding: var(--spacing-md);
    border: 2px solid #dee2e6;
    border-radius: var(--border-radius-md);
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.5;
    resize: vertical;
    transition: border-color var(--transition-fast);
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

/* Button Group */
.button-group {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-width: 140px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-secondary:hover {
    background: #5a6268;
}

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

.btn-success:hover {
    background: #218838;
}

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

.btn-info:hover {
    background: #138496;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-copied {
    background: var(--success-color) !important;
    animation: pulse 1s;
}

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

/* Output Section */
.output-group {
    background: var(--light-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    border: 1px solid #dee2e6;
}

.output-container {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

#magicbox-output {
    flex: 1;
    padding: var(--spacing-md);
    border: 2px solid #dee2e6;
    border-radius: var(--border-radius-md);
    background: white;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--dark-color);
}

#magicbox-output:focus {
    outline: none;
    border-color: var(--success-color);
}

/* Validation & Extracted Params */
.validation-info {
    margin-top: var(--spacing-md);
}

.validation-message {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.validation-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.validation-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.validation-message.info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.extracted-params {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 1px solid #dee2e6;
    display: none;
}

.extracted-params h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.extracted-params p {
    margin-bottom: var(--spacing-sm);
    font-family: 'Courier New', monospace;
}

.extracted-params code {
    background: var(--light-color);
    padding: 2px 6px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9em;
}

/* Preview Section */
.preview-container {
    background: var(--light-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    border: 1px solid #dee2e6;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-placeholder {
    text-align: center;
    color: var(--secondary-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.preview-placeholder i {
    font-size: 4rem;
    opacity: 0.5;
}

.preview-frame {
    width: 100%;
    height: 400px;
    border: none;
    border-radius: var(--border-radius-md);
    background: white;
}

/* History Section */
.history-section {
    margin-bottom: var(--spacing-xxl);
}

.history-controls {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.btn-warning {
    background: var(--warning-color);
    color: var(--dark-color);
}

.btn-warning:hover {
    background: #e0a800;
}

.history-container {
    background: var(--light-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    border: 1px solid #dee2e6;
    min-height: 200px;
    max-height: 400px;
    overflow-y: auto;
}

.history-placeholder {
    text-align: center;
    color: var(--secondary-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 150px;
    gap: var(--spacing-md);
}

.history-placeholder i {
    font-size: 3rem;
    opacity: 0.5;
}

.history-note {
    font-size: 0.9rem;
    opacity: 0.7;
}

.history-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 1px solid #dee2e6;
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-normal);
}

.history-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.history-item:last-child {
    margin-bottom: 0;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid #eee;
}

.history-time {
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-weight: 500;
}

.history-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.history-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    border-radius: var(--border-radius-sm);
    background: var(--light-color);
    color: var(--dark-color);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

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

.history-btn.copy {
    background: #d4edda;
    color: #155724;
}

.history-btn.copy:hover {
    background: #c3e6cb;
}

.history-btn.copy.copied {
    background: var(--success-color);
    color: white;
}

.history-btn.load {
    background: #d1ecf1;
    color: #0c5460;
}

.history-btn.load:hover {
    background: #bee5eb;
}

.history-content {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-content.full {
    white-space: normal;
    overflow: visible;
    max-height: 100px;
    overflow-y: auto;
}

.history-params {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-sm);
}

.param-badge {
    background: #e9ecef;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    color: var(--dark-color);
}

.param-badge .param-label {
    font-weight: 600;
    color: var(--primary-color);
}

.no-history {
    text-align: center;
    color: var(--secondary-color);
    padding: var(--spacing-xl);
}

.no-history i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* Info Section */
.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.info-card {
    background: var(--light-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    border: 1px solid #dee2e6;
    transition: transform var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.info-card h3 {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.info-card ul {
    margin-left: var(--spacing-lg);
    margin-top: var(--spacing-sm);
}

.info-card li {
    margin-bottom: var(--spacing-xs);
}

.info-card code {
    display: block;
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    margin-top: var(--spacing-sm);
    overflow-x: auto;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
    padding: var(--spacing-lg);
    text-align: center;
    margin-top: var(--spacing-xxl);
}

.footer p {
    margin-bottom: var(--spacing-sm);
}

.footer-note {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .main-content {
        padding: var(--spacing-lg);
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .output-container {
        flex-direction: column;
    }
    
    .info-cards {
        grid-template-columns: 1fr;
    }
    
    textarea {
        min-height: 150px;
    }
}

@media (max-width: 480px) {
    body {
        padding: var(--spacing-sm);
    }
    
    .header {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
    
    .main-content {
        padding: var(--spacing-md);
    }
    
    h2 {
        font-size: 1.25rem;
    }
}

/* Print Styles */
@media print {
    .button-group,
    .preview-section,
    .footer {
        display: none;
    }
    
    body {
        background: white;
        padding: 0;
    }
    
    .container {
        box-shadow: none;
        border-radius: 0;
    }
    
    textarea,
    #magicbox-output {
        border: 1px solid #ccc;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --light-color: #2d3748;
        --dark-color: #e2e8f0;
    }
    
    body {
        background: #1a202c;
    }
    
    .container {
        background: #2d3748;
        color: #e2e8f0;
    }
    
    textarea,
    #magicbox-output,
    .info-card code {
        background: #4a5568;
        color: #e2e8f0;
        border-color: #4a5568;
    }
    
    .input-group,
    .output-group,
    .preview-container,
    .info-card {
        background: #4a5568;
        border-color: #4a5568;
    }
    
    .validation-message.success {
        background: #22543d;
        color: #9ae6b4;
        border-color: #22543d;
    }
    
    .validation-message.error {
        background: #742a2a;
        color: #feb2b2;
        border-color: #742a2a;
    }
    
    .validation-message.info {
        background: #234e52;
        color: #90cdf4;
        border-color: #234e52;
    }
}

/* Embed Preview Section Styles */
.embed-preview-section {
    background: var(--light-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border: 1px solid #dee2e6;
    box-shadow: var(--shadow-md);
}

.embed-preview-section h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.embed-preview-section h2 i {
    color: var(--info-color);
}

.embed-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid #dee2e6;
}

.embed-preview-header h3 {
    color: var(--dark-color);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.875rem;
}

.embed-params-display {
    background: white;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid #dee2e6;
}

.embed-params-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.param-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: #f8f9fa;
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--info-color);
}

.param-label {
    font-weight: 600;
    color: var(--dark-color);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.param-value {
    font-family: 'Courier New', monospace;
    background: white;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    border: 1px solid #dee2e6;
    color: var(--dark-color);
    font-size: 0.9rem;
    word-break: break-all;
}

.param-status {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: var(--spacing-xs);
}

.param-status.valid {
    background: #d4edda;
    color: #155724;
}

.param-status.missing {
    background: #f8d7da;
    color: #721c24;
}

.embed-params-summary {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid #dee2e6;
}

.embed-params-summary h4 {
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.params-simple-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.param-simple-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: white;
    border-radius: var(--border-radius-sm);
    border: 1px solid #dee2e6;
}

.param-simple-item.valid {
    border-left: 4px solid var(--success-color);
}

.param-simple-item.missing {
    border-left: 4px solid var(--danger-color);
}

.param-simple-label {
    font-weight: 600;
    color: var(--dark-color);
    min-width: 100px;
}

.param-simple-value {
    flex: 1;
    font-family: 'Courier New', monospace;
    background: #f8f9fa;
    padding: 4px 8px;
    border-radius: 4px;
    color: var(--dark-color);
    word-break: break-all;
}

.param-simple-status {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 12px;
    min-width: 80px;
    text-align: center;
}

.param-simple-item.valid .param-simple-status {
    background: #d4edda;
    color: #155724;
}

.param-simple-item.missing .param-simple-status {
    background: #f8d7da;
    color: #721c24;
}

.optional-params {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px dashed #dee2e6;
}

.param-optional-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.param-optional-label {
    font-weight: 500;
    color: #6c757d;
    min-width: 100px;
    font-size: 0.9rem;
}

.param-optional-value {
    flex: 1;
    font-family: 'Courier New', monospace;
    background: #f8f9fa;
    padding: 3px 6px;
    border-radius: 3px;
    color: #6c757d;
    font-size: 0.9rem;
    word-break: break-all;
}

.visual-preview-note {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    background: #e7f3ff;
    border-left: 4px solid #2196f3;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius-sm);
    color: #1976d2;
}

.visual-preview-note i {
    margin-top: 2px;
}

.visual-preview-note p {
    margin: 0;
    font-size: 0.9rem;
}

.embed-visual-container {
    position: relative;
    width: 100%;
    min-height: 0;
    background: transparent;
    border-radius: var(--border-radius-md);
    overflow: visible;
    border: 0;
    padding: 0;
}

.embed-visual-preview-container {
    position: relative;
    width: 100%;
    background: #1a1a1a;
    border-radius: 8px;
    overflow: hidden;
}

.embed-preview-stage {
    position: absolute;
    inset: 0;
    background: #000;
    display: block;
}

.embed-preview-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.35);
}

.embed-preview-button {
    border: 0;
    border-radius: 999px;
    padding: 12px 18px;
    font-size: 16px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.92);
    color: #111;
    cursor: pointer;
}

.embed-preview-player {
    position: absolute;
    inset: 0;
}

/* Responsive adjustments for embed preview */
@media (max-width: 768px) {
    .embed-preview-section {
        padding: var(--spacing-lg);
    }
    
    .embed-preview-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .embed-params-grid {
        grid-template-columns: 1fr;
    }
    
}