/* assets/css/components.css v1.0.7 */
/* UI Components - Buttons, Inputs, Form Elements */

.input-section {
    border-left: 4px solid var(--accent-color);
}

.output-section {
    border-left: 4px solid var(--success-color);
}

.icon-btn {
    width: 42px;
    height: 42px;
    border: 1.5px solid var(--border-color);
    background: var(--bg-panel);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 18px;
}

.icon-btn:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.3);
}

.lang-switch {
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    background: var(--bg-panel);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 4px;
}

.lang-switch:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.lang-switch .lang-divider {
    color: var(--text-secondary);
    font-size: 0.65rem;
}

.lang-switch:hover .lang-divider {
    color: rgba(255,255,255,0.7);
}

.lang-switch .lang-en {
    opacity: 0.6;
}

.lang-switch.active .lang-en {
    opacity: 1;
    font-weight: 600;
}

.lang-switch.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

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

.url-input {
    flex: 1;
    padding: 14px 18px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.url-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.url-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.url-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
}

.url-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.8rem;
}

.url-item .url-text {
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.url-item .url-remove {
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

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

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

.stat-bar {
    position: absolute;
    bottom: -2px;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--success-color));
    border-radius: 2px;
    transition: width 0.3s ease;
}

.stat-value.has-data .stat-bar {
    width: 100%;
}

.stat-badge {
    position: relative;
    overflow: hidden;
}

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

.preset-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.preset-tags {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.preset-tag {
    padding: 10px 18px;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.preset-tag:hover {
    background: var(--accent-light);
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

.preset-tag.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}

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

.btn-loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading .spinner {
    display: inline-block;
}

.collapse-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.collapse-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.collapse-icon {
    font-size: 12px;
    transition: transform 0.2s ease;
}

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

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

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

.url-section.collapsed {
    max-height: 0;
    margin-bottom: 0;
    opacity: 0;
}

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

.settings-panel.collapsed {
    max-height: 0;
    opacity: 0;
    margin-bottom: 0;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 12px;
}

.settings-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.settings-item label {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.settings-item input {
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.8rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

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

.options-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    color: var(--text-primary);
}

.checkbox-item input {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-color);
}

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

.settings-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    background: var(--bg-panel);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    color: var(--text-secondary);
}

.settings-btn:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    transform: rotate(30deg);
}

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

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state-desc {
    font-size: 0.85rem;
    max-width: 300px;
    line-height: 1.5;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: scale(0);
    animation: ripple-effect 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-effect {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.btn:focus-visible,
.icon-btn:focus-visible,
.lang-switch:focus-visible,
.preset-tag:focus-visible,
.format-tab:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.btn {
    position: relative;
    overflow: hidden;
}

.format-tab {
    padding: 10px 20px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-secondary);
    position: relative;
    overflow: hidden;
}

.format-tab.active {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.format-tab:hover:not(.active) {
    color: var(--text-primary);
    background: var(--bg-secondary);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .settings-grid { grid-template-columns: repeat(2, 1fr); }
    .format-tabs { width: 100%; }
    .format-tab { flex: 1; text-align: center; }
    .url-input-row { flex-direction: column; }
    .url-actions { flex-direction: column; }
    .options-row { flex-direction: column; gap: 10px; }
    .checkbox-item { justify-content: space-between; }
    .stat-badge { width: 100%; justify-content: center; }
    .empty-state { padding: 30px 16px; }
    .empty-state-icon { font-size: 2.5rem; }
}

@media (max-width: 480px) {
    .preset-tags { gap: 8px; }
    .preset-tag { padding: 8px 12px; font-size: 0.75rem; }
    .url-item { width: 100%; }
    .url-item input { min-width: 0; }
}