/* NJEMU ROM Converter - Styles */

:root {
    --bg-primary: #0a0e14;
    --bg-secondary: #111820;
    --bg-tertiary: #1a2332;
    --accent-primary: #ff6b35;
    --accent-secondary: #f7c94b;
    --accent-tertiary: #39d353;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --border-color: #30363d;
    --success: #39d353;
    --error: #f85149;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --radius: 12px;
    --radius-sm: 8px;
}

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

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    background-image: 
        radial-gradient(ellipse at top left, rgba(255, 107, 53, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(247, 201, 75, 0.05) 0%, transparent 50%);
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem 0;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.logo-icon {
    font-size: 2.5rem;
    filter: drop-shadow(0 0 10px var(--accent-primary));
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

/* Main Content */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Panels */
section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.info-panel {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-left: 4px solid var(--accent-primary);
}

.info-panel h2 {
    font-size: 1rem;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-panel p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Converter Panel */
.converter-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.converter-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.converter-content[hidden] {
    display: none;
}

/* System Selector */
.system-selector label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.radio-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.radio-group input[type="radio"] {
    display: none;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.radio-label:hover {
    border-color: var(--text-muted);
}

.radio-group input[type="radio"]:checked + .radio-label {
    border-color: var(--accent-primary);
    background: rgba(255, 107, 53, 0.1);
}

.radio-icon {
    font-size: 1.5rem;
}

/* Options Panel */
.options-panel {
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.95rem;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.hint {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-left: auto;
}

/* Format Selector */
.format-selector .options-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.format-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 0.5rem;
}

.format-group input[type="radio"] {
    display: none;
}

.format-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.8rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.format-label:hover {
    border-color: var(--text-muted);
}

.format-group input[type="radio"]:checked + .format-label {
    border-color: var(--accent-primary);
    background: rgba(255, 107, 53, 0.1);
}

.format-icon {
    font-size: 1.1rem;
}

.format-text {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.format-name {
    font-weight: 600;
}

.format-badges {
    display: flex;
    gap: 0.25rem;
}

.format-badge {
    font-size: 0.65rem;
    padding: 0.1rem 0.35rem;
    background: rgba(57, 211, 83, 0.15);
    color: var(--success);
    border-radius: 3px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.format-info {
    margin-top: 0.5rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.5;
    min-height: 1.5em;
}

.options-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.75rem 0;
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 2.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-tertiary);
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--accent-primary);
    background: rgba(255, 107, 53, 0.05);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.upload-text {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.upload-hint {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* File Info */
.file-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(57, 211, 83, 0.1);
    border: 1px solid var(--success);
    border-radius: var(--radius-sm);
}

.file-icon {
    font-size: 1.5rem;
}

.file-name {
    flex: 1;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    color: var(--success);
}

.clear-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.25rem;
    transition: color 0.2s ease;
}

.clear-btn:hover {
    color: var(--error);
}

/* File List (multiple files) */
.file-list {
    text-align: left;
}

.file-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.file-count {
    font-weight: 600;
    color: var(--success);
}

.file-list-items {
    max-height: 200px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.file-list-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: rgba(57, 211, 83, 0.1);
    border: 1px solid var(--success);
    border-radius: var(--radius-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--success);
}

.file-list-item.pending {
    opacity: 0.6;
}

.file-list-item.processing {
    border-color: var(--accent-secondary);
    background: rgba(247, 201, 75, 0.1);
    color: var(--accent-secondary);
}

.file-list-item.completed {
    border-color: var(--success);
    background: rgba(57, 211, 83, 0.15);
}

.file-list-item.error {
    border-color: var(--error);
    background: rgba(248, 81, 73, 0.1);
    color: var(--error);
}

.file-list-item .file-status {
    margin-left: auto;
    font-size: 1rem;
}

/* Buttons */
.convert-btn,
.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1rem 2rem;
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
}

.convert-btn {
    background: linear-gradient(135deg, var(--accent-primary), #ff8a5c);
    color: white;
}

.convert-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.4);
}

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

.download-btn {
    background: linear-gradient(135deg, var(--success), #4ae06d);
    color: var(--bg-primary);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(57, 211, 83, 0.4);
}

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

/* Loading Overlay */
.loading-overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    gap: 1rem;
}

.loading-overlay[hidden] {
    display: none;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Progress Panel */
.progress-panel h3 {
    margin-bottom: 1rem;
    color: var(--accent-secondary);
}

.progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 4px;
}

.progress-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-family: 'JetBrains Mono', monospace;
}

/* Output Panel */
.output-panel h3 {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.console-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.console-header h3 {
    margin-bottom: 0;
}

.copy-console-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-console-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-1px);
}

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

.copy-console-btn.copied {
    background: rgba(57, 211, 83, 0.15);
    border-color: var(--success);
    color: var(--success);
}

.copy-console-btn .copy-icon {
    font-size: 1rem;
}

.console {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--text-secondary);
}

.console .error {
    color: var(--error);
}

.console .success {
    color: var(--success);
}

/* Download Panel */
.download-panel {
    text-align: center;
    border-color: var(--success);
    background: rgba(57, 211, 83, 0.05);
}

.download-panel h3 {
    color: var(--success);
    margin-bottom: 0.5rem;
}

.download-panel p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
}

footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.version-info {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    display: inline-block;
}

footer a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

footer a:hover {
    color: var(--accent-secondary);
}

.separator {
    margin: 0 0.5rem;
    opacity: 0.5;
}

.copyright {
    margin-top: 0.5rem;
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 1rem;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    .radio-group {
        grid-template-columns: 1fr;
    }
    
    .hint {
        display: block;
        margin-left: 0;
        margin-top: 0.25rem;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}