/* =============================================================================
   DEXASIGN DASHBOARD LAYOUT v2.0
   Shared Navigation & Page Structure
   ============================================================================= */

/* =============================================================================
   NAVIGATION
   ============================================================================= */

.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    height: 64px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.nav-left {
    display: flex;
    align-items: center;
    gap: var(--space-10);
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
}

.nav-links a {
    display: inline-flex;
    align-items: center;
    height: 36px;
    padding: 0 var(--space-3);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-links a:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-links a.active {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

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

.user-email {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* Nav Buttons - Base styles for navbar buttons */
.btn-signout,
.btn-console,
.btn-dashboard {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 36px;
    padding: 0 var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-signout {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-signout:hover {
    background: var(--bg-tertiary);
}

.btn-console,
.btn-dashboard {
    background: var(--primary);
    color: var(--text-inverse);
    border: 1px solid var(--primary);
}

.btn-console:hover,
.btn-dashboard:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

/* =============================================================================
   PAGE LAYOUT
   ============================================================================= */

.page-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-8) var(--container-padding);
}

/* Page Header with title and optional action button */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.page-header-content {
    flex: 1;
}

.page-title {
    font-size: var(--text-3xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
}

.page-subtitle {
    font-size: var(--text-base);
    color: var(--text-secondary);
    margin: 0;
}

.page-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

/* Section spacing */
.section {
    margin-bottom: var(--space-8);
}

.section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

/* =============================================================================
   GRID LAYOUTS
   ============================================================================= */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-4);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-4);
}

.two-column {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

/* =============================================================================
   QUICK ACTIONS SECTION
   ============================================================================= */

.card-body.quick-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

/* =============================================================================
   SETTINGS PAGE
   ============================================================================= */

.settings-container {
    max-width: 800px;
}

.settings-section {
    margin-bottom: var(--space-6);
}

.settings-section:last-child {
    margin-bottom: 0;
}

.setting-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--border);
}

.setting-row:last-child {
    border-bottom: none;
}

.setting-info {
    flex: 1;
}

.setting-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.setting-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.setting-value {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.setting-actions {
    display: flex;
    gap: var(--space-2);
    flex-shrink: 0;
}

/* Danger Zone */
.danger-zone {
    margin-top: var(--space-8);
    padding: var(--space-5);
    background: var(--danger-light);
    border: 1px solid var(--danger);
    border-radius: var(--radius-lg);
}

.danger-zone-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--danger-dark);
    margin-bottom: var(--space-2);
}

.danger-zone-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

/* =============================================================================
   GESTURE PAGE
   ============================================================================= */

.gesture-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.gesture-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.gesture-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
}

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

.gesture-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--text-inverse);
    background: var(--primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.gesture-details {
    flex: 1;
}

.gesture-hand {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.gesture-fingers {
    font-size: var(--text-xs);
    color: var(--text-secondary);
}

.face-thumbnail {
    display: block;
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-4);
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.info-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.info-value {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
}

/* =============================================================================
   AUTH HISTORY TABLE
   ============================================================================= */

.history-table {
    width: 100%;
    border-collapse: collapse;
}

.history-table th {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-secondary);
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.history-table td {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
}

.history-table tbody tr:hover {
    background: var(--bg-hover);
}

/* Status badges in tables */
.status-badge {
    display: inline-flex;
    align-items: center;
    height: 22px;
    padding: 0 var(--space-2);
    font-size: var(--text-xs);
    font-weight: 500;
    border-radius: var(--radius-sm);
}

.status-success {
    background: var(--success-light);
    color: var(--success-dark);
}

.status-failed {
    background: var(--danger-light);
    color: var(--danger-dark);
}

.score-badge {
    display: inline-flex;
    align-items: center;
    height: 22px;
    padding: 0 var(--space-2);
    font-size: var(--text-xs);
    font-weight: 500;
    background: var(--primary-50);
    color: var(--primary);
    border-radius: var(--radius-sm);
}

/* =============================================================================
   LOADING & EMPTY STATES
   ============================================================================= */

.no-history,
.loading-history {
    padding: var(--space-12);
    text-align: center;
}

.loading-history {
    color: var(--text-secondary);
}

.no-history p {
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

/* =============================================================================
   CAMERA & VERIFICATION
   ============================================================================= */

.camera-container {
    position: relative;
    aspect-ratio: 4 / 3;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.camera-container video,
.camera-container canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.camera-container canvas {
    position: absolute;
    top: 0;
    left: 0;
}

.camera-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    background: rgba(0, 0, 0, 0.7);
    color: var(--text-inverse);
}

/* Gesture Instructions Panel */
.gesture-instructions {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    min-height: 280px;
}

.gesture-prompt {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.gesture-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.gesture-text {
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--text-primary);
}

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

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0;
    background: var(--primary);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.progress-text {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 40px;
    text-align: right;
}

.gesture-status {
    padding: var(--space-3);
    text-align: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

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

.gesture-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    margin-top: auto;
}

/* Tips Grid */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.tip-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.tip-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.tip-content strong {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.tip-content p {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    margin: 0;
}

/* =============================================================================
   RESPONSIVE
   ============================================================================= */

@media (max-width: 768px) {
    .gesture-grid {
        grid-template-columns: 1fr;
    }
    
    .two-column {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .page-actions {
        justify-content: flex-start;
    }
    
    .setting-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .setting-value {
        margin-top: var(--space-2);
    }
}

.no-history p:last-child {
    font-size: var(--text-xs);
    margin-bottom: 0;
}

/* =============================================================================
   RESPONSIVE
   ============================================================================= */

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .page-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .page-actions {
        margin-top: var(--space-4);
    }
    
    .two-column,
    .gesture-grid {
        grid-template-columns: 1fr;
    }
    
    .setting-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .setting-actions {
        margin-top: var(--space-3);
    }
}