/* Universal Model Trainer - Dashboard Styles */

:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    --dark-bg: #0f172a;
    --card-bg: #1e293b;
    --card-border: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #334155;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* Navbar */
.navbar {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary) !important;
    background: rgba(99, 102, 241, 0.2);
}

/* Main Content */
.main-content {
    padding: 2rem;
    max-width: 1600px;
    margin: 0 auto;
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.1);
}

.card-header {
    background: rgba(99, 102, 241, 0.1);
    border-bottom: 1px solid var(--card-border);
    padding: 1rem 1.5rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

/* Stats Cards */
.stat-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(30, 41, 59, 0.4) 100%);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.2);
}

.stat-card .stat-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.stat-card .stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card .stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Buttons */
.btn-primary {
    background: var(--gradient-2);
    border: none;
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
}

.btn-secondary:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    border: none;
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border: none;
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border: none;
    color: #000;
}

/* Forms */
.form-control, .form-select {
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
}

.form-control:focus, .form-select:focus {
    background: var(--dark-bg);
    border-color: var(--primary-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-text {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Tables */
.table {
    color: var(--text-primary);
}

.table thead th {
    background: rgba(99, 102, 241, 0.1);
    border-bottom: 2px solid var(--primary-color);
    font-weight: 600;
    padding: 1rem;
}

.table tbody td {
    border-bottom: 1px solid var(--card-border);
    padding: 1rem;
    vertical-align: middle;
}

.table tbody tr:hover {
    background: rgba(99, 102, 241, 0.05);
}

/* Badges */
.badge {
    padding: 0.5rem 0.75rem;
    font-weight: 500;
    border-radius: 0.5rem;
}

.badge-queued {
    background: rgba(100, 116, 139, 0.3);
    color: #cbd5e1;
}

.badge-running {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

.badge-completed {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.badge-failed {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.badge-cancelled {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

.badge-paused {
    background: rgba(139, 92, 246, 0.2);
    color: #a78bfa;
}

/* Progress Bar */
.progress {
    background: var(--dark-bg);
    border-radius: 1rem;
    height: 0.75rem;
    overflow: hidden;
}

.progress-bar {
    background: var(--gradient-2);
    transition: width 0.5s ease;
}

/* Modal */
.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
}

.modal-header {
    border-bottom: 1px solid var(--card-border);
    padding: 1.5rem;
}

.modal-title {
    font-weight: 700;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--card-border);
    padding: 1rem 1.5rem;
}

.btn-close {
    filter: invert(1);
}

/* Alerts */
.alert {
    border-radius: 0.75rem;
    border: 1px solid;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: #60a5fa;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: #fbbf24;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #f87171;
}

/* Log Terminal */
.log-terminal {
    background: #000;
    border-radius: 0.5rem;
    padding: 1rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    max-height: 400px;
    overflow-y: auto;
}

.log-terminal .log-entry {
    padding: 0.25rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.log-terminal .log-info { color: #60a5fa; }
.log-terminal .log-warning { color: #fbbf24; }
.log-terminal .log-error { color: #f87171; }
.log-terminal .log-success { color: #34d399; }

/* Tabs */
.nav-tabs {
    border-bottom: 1px solid var(--card-border);
}

.nav-tabs .nav-link {
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
}

.nav-tabs .nav-link.active {
    background: transparent;
    border-bottom: 2px solid var(--primary-color);
    color: var(--text-primary);
}

/* Tooltips */
.tooltip-inner {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
}

/* Dropdown */
.dropdown-menu {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.5rem;
    padding: 0.5rem;
}

.dropdown-item {
    color: var(--text-primary);
    border-radius: 0.25rem;
    padding: 0.5rem 1rem;
}

.dropdown-item:hover {
    background: rgba(99, 102, 241, 0.2);
    color: var(--text-primary);
}

/* Spinner */
.spinner-grow {
    width: 1rem;
    height: 1rem;
}

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--card-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-card .stat-value {
        font-size: 2rem;
    }
}

/* Code blocks */
pre {
    background: var(--dark-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.5rem;
    padding: 1rem;
    overflow-x: auto;
}

code {
    color: #a78bfa;
    font-family: 'Monaco', 'Menlo', monospace;
}

/* Search results */
.search-result {
    padding: 1rem;
    border: 1px solid var(--card-border);
    border-radius: 0.5rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
}

.search-result:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary-color);
}

.search-result .result-title {
    font-weight: 600;
    color: var(--text-primary);
}

.search-result .result-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-content {
    text-align: center;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--card-border);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

/* Feature badges */
.feature-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 2rem;
    font-size: 0.75rem;
    color: var(--primary-color);
    margin: 0.25rem;
}

.feature-badge i {
    margin-right: 0.25rem;
}