/* assets/css/layout.css v1.0.7 */
/* Layout and Container Styles */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 32px;
    overflow-y: auto;
    transition: background-color 0.3s, color 0.3s;
    background-image: 
        radial-gradient(circle at 20% 50%, var(--accent-light) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.05) 0%, transparent 40%);
}

.container { max-width: 1000px; margin: 0 auto; }

.app-header {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.app-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-color), var(--success-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.lang-switch {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.lang-switch:hover {
    background: var(--bg-panel);
    border-color: var(--accent-color);
}

.lang-en { opacity: 0.6; }
.lang-divider { margin: 0 4px; opacity: 0.4; }
.lang-switch.active .lang-en { opacity: 1; }
.lang-switch.active .lang-zh { opacity: 0.6; }

.icon-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.icon-btn:hover {
    background: var(--bg-panel);
    border-color: var(--accent-color);
    transform: scale(1.05);
}

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

.main-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
    overflow: visible;
}

.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.panel:hover {
    border-color: var(--accent-color);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stats-compact {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.stat-badge {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    font-family: 'Monaco', 'Menlo', monospace;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.url-section {
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.url-input-row {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.url-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color 0.2s ease;
}

.url-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.url-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.preset-section {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

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

.preset-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.preset-tag {
    padding: 6px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-secondary);
}

.preset-tag:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.preset-tag.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.url-list {
    margin-top: 12px;
}

.url-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
}

.url-item input {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-panel);
    color: var(--text-primary);
    font-size: 0.85rem;
}

.url-item .remove-url {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    font-size: 1rem;
}

.url-item .remove-url:hover {
    color: var(--error-color);
}

.format-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-secondary);
    padding: 4px;
    border-radius: var(--radius-md);
}

.format-tab {
    padding: 8px 20px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.format-tab:hover {
    color: var(--text-primary);
}

.format-tab.active {
    background: var(--accent-color);
    color: white;
}

.settings-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.settings-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.settings-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.merge-info {
    padding: 16px;
    text-align: left;
    color: var(--text-secondary);
    font-size: 0.9rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}

.output-actions {
    display: flex;
    gap: 12px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.editor-actions {
    display: flex;
    gap: 12px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.app-footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-color);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.footer-link:hover {
    opacity: 0.8;
}

.footer-version {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    body { padding: 16px; }
    .panel { padding: 20px; }
    .app-header h1 { font-size: 1.5rem; }
    .stats-compact { flex-wrap: wrap; }
    .stat-badge { padding: 6px 12px; }
    .editor-actions, .output-actions { flex-wrap: wrap; }
    .line-numbers { display: none; }
    textarea { min-height: 200px; }
    .format-tabs { flex-wrap: wrap; }
    .header-main { flex-direction: column; gap: 12px; align-items: flex-start; }
    .header-actions { width: 100%; justify-content: flex-end; }
    .input-section, .output-section { border-left-width: 3px; }
}

@media (max-width: 480px) {
    body { padding: 12px; }
    .panel { padding: 16px; }
    .url-input-row { flex-direction: column; }
    .preset-tags { gap: 6px; }
    .preset-tag { padding: 5px 10px; font-size: 0.8rem; }
    .section-header { flex-direction: column; gap: 12px; align-items: flex-start; }
    .header-main { gap: 8px; }
    .header-actions { gap: 8px; }
    .icon-btn, .lang-switch { padding: 6px 10px; font-size: 0.75rem; }
    .input-section, .output-section { border-left-width: 2px; }
}