/* Authentication Pages CSS */
.auth-container {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0369a1 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    top: -150px;
    right: -150px;
    z-index: 0;
}

.auth-container::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(3, 105, 161, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -100px;
    left: -100px;
    z-index: 0;
}

.auth-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 50px 40px;
    max-width: 420px;
    width: 100%;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-card h1 {
    color: #1e293b;
    font-weight: 800;
    margin-bottom: 8px;
    font-size: 1.8rem;
    letter-spacing: -0.02em;
}

.auth-card .text-muted {
    font-size: 0.95rem;
    margin-top: 5px;
    color: #64748b;
}

.auth-card .form-label {
    color: #1e293b;
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.auth-card .form-control {
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 16px;
    transition: all 0.3s ease;
    background: #f8fafc;
    font-size: 0.95rem;
}

.auth-card .form-control:focus {
    border-color: #3b82f6;
    background: white;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    outline: none;
}

.auth-card .btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border: none;
    color: white;
    font-weight: 700;
    padding: 14px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    width: 100%;
    font-size: 1rem;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.auth-card .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
    color: white;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

.auth-card .btn-primary:active {
    transform: translateY(0);
}

.auth-card hr {
    margin: 30px 0;
    border: none;
    border-top: 1px solid #e2e8f0;
}

.auth-card p {
    text-align: center;
    margin: 0;
    color: #64748b;
    font-size: 0.95rem;
}

.auth-card a {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.auth-card a:hover {
    color: #2563eb;
}

.alert {
    border-radius: 12px;
    border: 1px solid;
    margin-bottom: 20px;
    padding: 12px 16px;
}

.alert-danger {
    background-color: #fef2f2;
    color: #7f1d1d;
    border-color: #fca5a5;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

/* Responsive */
@media (max-width: 576px) {
    .auth-card {
        padding: 25px;
    }

    .auth-card h1 {
        font-size: 1.5rem;
    }
}