/* ==========================================
   AI Settings Tab - Redesigned UI
   ========================================== */

/* Status Banner */
.ai-status-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-5);
}

.ai-status-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-circle);
    background: var(--text-tertiary);
    transition: background var(--duration-normal) var(--ease-in-out);
}

.status-dot.online {
    background: var(--color-green);
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.4);
}

.status-dot.offline {
    background: var(--text-tertiary);
}

.ai-status-banner .status-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.btn-icon-sm {
    width: 28px;
    height: 28px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-in-out);
}

.btn-icon-sm:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Models Section */
.ai-models-section {
    margin-bottom: var(--space-6);
}

.section-header-row {
    margin-bottom: var(--space-4);
}

/* System Info Line */
.ai-system-info {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.ai-system-info svg {
    color: var(--text-tertiary);
    flex-shrink: 0;
}

/* RAM Warning */
.ai-ram-warning {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-amber-text);
}

/* Migration Banner */
.ai-migration-banner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    margin: 8px 0;
    background: rgba(74, 144, 217, 0.08);
    border: 1px solid rgba(74, 144, 217, 0.2);
    border-radius: var(--radius-md);
}

.ai-migration-text {
    flex: 1;
}

.ai-migration-text strong {
    display: block;
    font-size: var(--font-size-sm);
    margin-bottom: 2px;
}

.ai-migration-text p {
    font-size: var(--font-size-12);
    color: var(--text-secondary);
    margin: 0;
}

/* Model List (replaces model grid) */
.model-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.model-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-main);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: border-color var(--duration-normal) var(--ease-in-out), background var(--duration-normal) var(--ease-in-out);
    position: relative;
    flex-wrap: wrap;
}

.model-row:hover {
    border-color: var(--border-medium);
}

.model-row.installed {
    border-color: var(--accent-blue-border);
    background: var(--accent-blue-bg);
}

.model-row.downloading {
    border-color: var(--accent-blue);
}

.model-row-disabled {
    opacity: 0.5;
    pointer-events: none;
}

.model-row-disabled .download-model-btn {
    cursor: not-allowed;
}

.model-row-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    flex: 1;
    min-width: 0;
}

.model-row-name {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.model-row-name strong {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
}

.model-badge {
    font-size: var(--font-size-2xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.model-badge.recommended {
    background: rgba(74, 144, 217, 0.1);
    color: var(--accent-blue);
}

.model-row-meta {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.model-row-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.model-row-status {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    white-space: nowrap;
}

.model-row-status.installed {
    color: var(--color-green-text);
    font-weight: 500;
}

.model-row .download-model-btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    min-height: 44px;
}

.model-row .btn-delete {
    width: 44px;
    height: 44px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
}

.model-row .btn-delete:hover {
    color: var(--color-red-text);
    background: var(--color-danger-light);
    border-color: transparent;
}

.model-row .model-progress {
    width: 100%;
    margin-top: var(--space-2);
}

/* Inline Progress on Card */
.model-progress {
    margin-top: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.progress-bar-mini {
    flex: 1;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.progress-fill-mini {
    height: 100%;
    background: var(--accent-blue);
    border-radius: var(--radius-sm);
    transition: width var(--duration-normal) var(--ease-in-out);
}

.progress-text-mini {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--accent-blue);
    min-width: 40px;
    text-align: right;
}

/* Model Settings Row */
.model-settings-row {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    padding: var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.setting-inline {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.setting-inline label:not(.toggle-label) {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.setting-inline select {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    background: var(--bg-main);
    color: var(--text-primary);
    min-width: 160px;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
}

.toggle-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-blue);
}

/* Cloud AI Section */
.cloud-ai-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
}

.cloud-ai-info {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.cloud-ai-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-blue-light);
    border-radius: var(--radius-md);
    color: var(--accent-blue);
}

.cloud-ai-icon svg {
    width: 20px;
    height: 20px;
}

.cloud-ai-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.cloud-ai-details strong {
    font-size: var(--font-size-base);
    color: var(--text-primary);
}

.cloud-ai-usage {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.status-pill {
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
}

.status-pill.active {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-green-text);
}

/* Usage Meter */
.usage-meter {
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.usage-meter-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.usage-meter .usage-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.usage-meter .usage-fill {
    height: 100%;
    background: var(--accent-blue);
    border-radius: var(--radius-sm);
    transition: width var(--duration-slow) var(--ease-in-out);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

.feature-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
}

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

.feature-icon svg {
    width: 18px;
    height: 18px;
}

.feature-icon.inbox {
    background: rgba(74, 144, 217, 0.1);
    color: var(--accent-blue);
}

.feature-icon.tasks {
    background: rgba(139, 92, 175, 0.1);
    color: var(--color-purple-text);
}

.feature-icon.focus {
    background: rgba(245, 166, 35, 0.1);
    color: var(--color-amber-text);
}

.feature-content strong {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.feature-content p {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    line-height: 1.4;
    margin: 0;
}