/* ============================================
   CORTEX — Auth Pages
   ============================================ */
:root {
    --primary: #6366f1;
    --primary-rgb: 99,102,241;
    --primary-dark: #4f46e5;
    --primary-ultra-light: #eef2ff;
    --dark: #0F1B2D;
    --medium: #3B3B3B;
    --subtle: rgba(59,59,59,.50);
    --white: #FFFFFF;
    --bg: #F7F8FA;
    --border: rgba(59,59,59,.08);
    --border-med: rgba(59,59,59,.12);
    --danger: #ef4444;
    --success: #10b981;
    --r-sm: 8px;
    --r-md: 16px;
    --r-pill: 100px;
    --font: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
    --sh: 0 4px 20px rgba(26,35,50,.06);
    --sh-lg: 0 16px 48px rgba(var(--primary-rgb),.14);
    --t: 250ms ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font); }

.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f0d2e 0%, #1e1b4b 50%, #312e81 100%);
    padding: 24px;
    position: relative;
    overflow: hidden;
}
.auth-body::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(99,102,241,.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(139,92,246,.1) 0%, transparent 40%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-20px, -20px); }
}

.auth-container { position: relative; z-index: 1; width: 100%; max-width: 440px; }

.auth-card {
    background: var(--white);
    border-radius: var(--r-md);
    padding: 40px 36px;
    box-shadow: 0 24px 64px rgba(0,0,0,.2);
}

.auth-brand {
    font-size: 2rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-card h1 {
    font-size: 1.4rem;
    font-weight: 700;
    text-align: center;
    color: var(--dark);
    margin-bottom: 28px;
}

.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 6px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 13px 18px;
    border: 2px solid var(--border-med);
    border-radius: var(--r-sm);
    font-size: 0.95rem;
    color: var(--dark);
    background: var(--white);
    outline: none;
    transition: border-color var(--t), box-shadow var(--t);
}
.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb),.1);
}
.form-group input::placeholder { color: var(--subtle); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--r-pill);
    font-size: 15px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: transform 150ms ease, box-shadow var(--t), background var(--t);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 16px rgba(var(--primary-rgb),.35); }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 6px 24px rgba(var(--primary-rgb),.45); }
.btn-full { width: 100%; margin-top: 8px; }

.auth-links {
    text-align: center;
    margin-top: 24px;
    display: flex;
    justify-content: center;
    gap: 20px;
}
.auth-links a {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: color var(--t);
}
.auth-links a:hover { color: var(--primary-dark); }

.alert {
    padding: 12px 16px;
    border-radius: var(--r-sm);
    margin-bottom: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}
.alert-error { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.alert-success { background: #ecfdf5; color: var(--success); border: 1px solid #a7f3d0; }
.alert ul { padding-left: 16px; margin-top: 4px; }

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.85rem;
    cursor: pointer;
    color: var(--medium);
}
.checkbox-label input { margin-top: 3px; accent-color: var(--primary); }
.checkbox-label a { color: var(--primary); font-weight: 600; }