/* ═══════════════════════════════════════════════════════════════
   InsuranceGrokBot Training — Global Styles
   Dark theme, modern SaaS aesthetic
   ═══════════════════════════════════════════════════════════════ */

:root {
    /* Colors */
    --bg-primary: #0a0a1a;
    --bg-secondary: #111127;
    --bg-card: #161632;
    --bg-card-hover: #1c1c42;
    --bg-input: #1a1a38;
    --bg-glass: rgba(22, 22, 50, 0.8);

    --text-primary: #f0f0ff;
    --text-secondary: #a0a0c0;
    --text-muted: #6a6a8a;

    --accent-blue: #4F46E5;
    --accent-cyan: #06B6D4;
    --accent-green: #10B981;
    --accent-red: #EF4444;
    --accent-amber: #F59E0B;
    --accent-purple: #8B5CF6;

    --gradient-primary: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    --gradient-accent: linear-gradient(135deg, #8B5CF6 0%, #06B6D4 100%);
    --gradient-success: linear-gradient(135deg, #10B981 0%, #06B6D4 100%);
    --gradient-warm: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);

    --border-color: rgba(255, 255, 255, 0.06);
    --border-active: rgba(79, 70, 229, 0.4);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(79, 70, 229, 0.2);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --transition: 0.2s ease;
    --transition-slow: 0.4s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--accent-blue); }

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}
h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
p { color: var(--text-secondary); }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 16px rgba(79, 70, 229, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(79, 70, 229, 0.4);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-active);
}

.btn-danger {
    background: var(--accent-red);
    color: white;
}
.btn-danger:hover { opacity: 0.9; }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}
.btn-ghost:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: var(--radius-md);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: all var(--transition);
}
.card:hover {
    border-color: var(--border-active);
    box-shadow: var(--shadow-glow);
}

.card-glass {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
}

/* ── Forms ────────────────────────────────────────────────── */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: border-color var(--transition);
    outline: none;
}
.form-input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}
.form-input::placeholder {
    color: var(--text-muted);
}

/* ── Navbar ───────────────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.nav-logo .logo-accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--text-primary); }

/* ── Sidebar (Dashboard) ─────────────────────────────────── */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem 0;
    display: flex;
    flex-direction: column;
    z-index: 50;
}

.sidebar-logo {
    padding: 0 1.5rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.sidebar-nav {
    flex: 1;
    padding: 0 0.75rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    margin-bottom: 0.25rem;
}
.sidebar-link:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}
.sidebar-link.active {
    background: rgba(79, 70, 229, 0.15);
    color: var(--accent-blue);
}

.sidebar-link svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.main-content {
    margin-left: 260px;
    padding: 2rem;
    min-height: 100vh;
}

/* ── Badges ───────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-green { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.badge-red { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); }
.badge-amber { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); }
.badge-blue { background: rgba(79, 70, 229, 0.15); color: var(--accent-blue); }
.badge-purple { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); }

/* ── Grade Badges ─────────────────────────────────────────── */
.grade { font-size: 2rem; font-weight: 800; }
.grade-A { color: var(--accent-green); }
.grade-B { color: var(--accent-cyan); }
.grade-C { color: var(--accent-amber); }
.grade-D { color: #f97316; }
.grade-F { color: var(--accent-red); }

/* ── Score Bar ────────────────────────────────────────────── */
.score-bar {
    height: 8px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
}
.score-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.6s ease;
}
.score-bar-fill.green { background: var(--gradient-success); }
.score-bar-fill.blue { background: var(--gradient-primary); }
.score-bar-fill.amber { background: var(--gradient-warm); }

/* ── Grid ─────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

@media (max-width: 1024px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
/* Mobile layout handled by /css/mobile.css */

/* ── Stat Card ────────────────────────────────────────────── */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
}
.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}
.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
}
.stat-change {
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 0.25rem;
}
.stat-change.positive { color: var(--accent-green); }
.stat-change.negative { color: var(--accent-red); }

/* ── Table ────────────────────────────────────────────────── */
.table-container {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}
th {
    background: var(--bg-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
td { font-size: 0.9rem; }
tr:hover td { background: rgba(79, 70, 229, 0.05); }

/* ── Toast ────────────────────────────────────────────────── */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.toast {
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    animation: slideIn 0.3s ease;
    max-width: 400px;
}
.toast-success { background: rgba(16, 185, 129, 0.9); color: white; }
.toast-error { background: rgba(239, 68, 68, 0.9); color: white; }
.toast-info { background: rgba(79, 70, 229, 0.9); color: white; }

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

/* ── Loading ──────────────────────────────────────────────── */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 26, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

/* ── Utilities ────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent-blue); }
.text-green { color: var(--accent-green); }
.text-red { color: var(--accent-red); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.hidden { display: none !important; }

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
    background: var(--bg-card-hover);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }