/* AI Agent Evaluator - Dashboard Styles */
/* Modern SaaS Dashboard Pattern - Linear/Vercel/Stripe inspired */

:root {
    /* Colors */
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-tertiary: #18181b;
    --bg-elevated: #1f1f23;
    
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-tertiary: #71717a;
    
    --border-primary: #27272a;
    --border-secondary: #3f3f46;
    
    --accent-primary: #3b82f6;
    --accent-primary-hover: #2563eb;
    --accent-success: #22c55e;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.4);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Layout */
    --sidebar-width: 240px;
    --topbar-height: 56px;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

/* App Container */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-primary);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    width: 24px;
    height: 24px;
    color: var(--accent-primary);
}

.logo-text {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

.nav-item.active {
    background-color: var(--bg-elevated);
    color: var(--text-primary);
}

.nav-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.nav-badge {
    margin-left: auto;
    background-color: var(--accent-danger);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-primary);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Top Bar */
.top-bar {
    height: var(--topbar-height);
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-lg);
    gap: var(--spacing-md);
    position: sticky;
    top: 0;
    z-index: 50;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.menu-toggle:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.menu-toggle svg {
    width: 20px;
    height: 20px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.top-bar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-success);
}

/* User Info */
.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-left: var(--spacing-md);
    border-left: 1px solid var(--border-primary);
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.user-avatar-placeholder {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.user-name {
    font-size: 0.875rem;
    color: var(--text-secondary);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-logout:hover {
    background: var(--bg-tertiary);
    color: var(--accent-danger);
}

.btn-logout svg {
    width: 18px;
    height: 18px;
}

/* Content Area */
.content-area {
    flex: 1;
    padding: var(--spacing-xl);
    overflow-y: auto;
}

/* Page */
.page {
    display: none;
}

.page.active {
    display: block;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.page-subtitle {
    color: var(--text-tertiary);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.metric-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: border-color var(--transition-fast);
}

.metric-card:hover {
    border-color: var(--border-secondary);
}

.metric-label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-sm);
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-primary);
    line-height: 1.2;
}

.metric-trend {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: var(--spacing-sm);
}

.metric-trend.positive {
    color: var(--accent-success);
}

.metric-trend.negative {
    color: var(--accent-danger);
}

/* Section */
.section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-primary);
}

.section-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Data Table */
.table-container {
    overflow-x: auto;
}

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

.data-table th {
    text-align: left;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
}

.data-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-primary);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background-color: var(--bg-tertiary);
}

.data-table .mono {
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.loading-row td {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-tertiary);
}

.loading-row:hover td {
    background-color: transparent;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn-icon {
    width: 16px;
    height: 16px;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--text-secondary);
    border-color: var(--border-secondary);
}

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

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

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-secondary);
    border: none;
    padding: var(--spacing-xs);
}

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

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    text-transform: capitalize;
}

.badge-excellent {
    background-color: rgba(34, 197, 94, 0.15);
    color: var(--accent-success);
}

.badge-good {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--accent-primary);
}

.badge-satisfactory {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--accent-warning);
}

.badge-needs_improvement {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--accent-danger);
}

.badge-poor {
    background-color: rgba(239, 68, 68, 0.25);
    color: var(--accent-danger);
}

.badge-high {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--accent-danger);
}

.badge-medium {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--accent-warning);
}

.badge-low {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--accent-primary);
}

/* Score Display */
.score-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.score-value {
    font-family: var(--font-mono);
    font-weight: 600;
}

.score-bar {
    flex: 1;
    height: 6px;
    background-color: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
    max-width: 80px;
}

.score-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width var(--transition-normal);
}

.score-excellent .score-bar-fill { background-color: var(--accent-success); }
.score-good .score-bar-fill { background-color: var(--accent-primary); }
.score-satisfactory .score-bar-fill { background-color: var(--accent-warning); }
.score-poor .score-bar-fill { background-color: var(--accent-danger); }

/* Agents Grid */
.agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.agent-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: border-color var(--transition-fast);
}

.agent-card:hover {
    border-color: var(--border-secondary);
}

.agent-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.agent-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.agent-id {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.agent-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.agent-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-primary);
}

.agent-stat {
    text-align: center;
}

.agent-stat-value {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--text-primary);
}

.agent-stat-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Alerts List */
.alerts-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.alert-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.alert-icon.high { color: var(--accent-danger); }
.alert-icon.medium { color: var(--accent-warning); }
.alert-icon.low { color: var(--accent-primary); }

.alert-content {
    flex: 1;
}

.alert-message {
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.alert-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.alert-actions {
    flex-shrink: 0;
}

/* Filter Bar */
.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-select {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-primary);
    cursor: pointer;
}

.filter-select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-lg);
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-lg {
    max-width: 720px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-primary);
}

.modal-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
}

.modal-close:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-primary);
}

/* Form */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.form-input {
    width: 100%;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-primary);
    font-family: inherit;
}

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

.form-input::placeholder {
    color: var(--text-tertiary);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

/* Loading */
.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-primary);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
    margin-right: var(--spacing-sm);
}

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

.loading-state {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    color: var(--text-tertiary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) * 2;
    color: var(--text-tertiary);
}

.empty-state-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state-title {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 280px;
    animation: slideIn 0.3s ease;
}

.toast.success { border-left: 3px solid var(--accent-success); }
.toast.error { border-left: 3px solid var(--accent-danger); }
.toast.warning { border-left: 3px solid var(--accent-warning); }

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Evaluation Detail */
.eval-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.eval-detail-section {
    margin-bottom: var(--spacing-lg);
}

.eval-detail-label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-sm);
}

.eval-detail-value {
    font-size: 0.875rem;
    color: var(--text-primary);
}

.eval-scores-grid {
    display: grid;
    gap: var(--spacing-sm);
}

.eval-score-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.eval-score-name {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: capitalize;
}

.eval-score-bar {
    width: 100px;
    height: 6px;
    background-color: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.eval-score-fill {
    height: 100%;
    border-radius: 3px;
}

.eval-score-value {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
    min-width: 40px;
    text-align: right;
}

.conversation-transcript {
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    max-height: 300px;
    overflow-y: auto;
}

.message-item {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-primary);
}

.message-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.message-role {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}

.message-role.user { color: var(--accent-primary); }
.message-role.assistant { color: var(--accent-success); }
.message-role.system { color: var(--text-tertiary); }

.message-content {
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: pre-wrap;
}

/* Responsive */
@media (max-width: 1024px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .filter-bar {
        flex-wrap: wrap;
    }
    
    .eval-detail-grid {
        grid-template-columns: 1fr;
    }
}