/* Auth layout styling */
body.auth-body {
    min-height: 100vh;
    background: radial-gradient(circle at 10% 20%, rgba(72, 187, 255, 0.25), transparent 55%),
                radial-gradient(circle at 80% 0%, rgba(250, 204, 21, 0.2), transparent 45%),
                linear-gradient(135deg, #0f172a 0%, #1e293b 45%, #0b1120 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
    color: #f8fafc;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.auth-card {
    width: min(100%, 460px);
    background: rgba(15, 23, 42, 0.84);
    backdrop-filter: blur(18px);
    border-radius: 26px;
    box-shadow: 0 28px 70px rgba(15, 23, 42, 0.55);
    border: 1px solid rgba(148, 163, 184, 0.2);
    padding: 2.75rem 2.5rem;
}

.auth-card .brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}

.auth-card .brand img {
    width: 83px;
    height: 83px;
    border-radius: 50%;
    box-shadow: 0 12px 24px rgba(15, 118, 110, 0.25);
    object-fit: cover;
}

.auth-card .brand span {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #f1f5f9;
}

.auth-card h1 {
    font-size: 1.9rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #f8fafc;
}

.auth-card p.lead {
    color: rgba(226, 232, 240, 0.75);
    font-size: 0.95rem;
    margin-bottom: 1.75rem;
}

.auth-card .form-label {
    font-weight: 600;
    color: rgba(226, 232, 240, 0.9);
}

.auth-card .form-control {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(148, 163, 184, 0.35);
    color: #e2e8f0;
    padding: 0.775rem 1rem;
    border-radius: 16px;
}

.auth-card .input-group .form-control {
    border-radius: 0 16px 16px 0;
}

.auth-card .input-group-text {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-right: none;
    color: #e2e8f0;
    padding: 0.775rem 1rem;
    border-radius: 16px 0 0 16px;
}

.auth-card .form-control:focus {
    background: rgba(15, 23, 42, 0.78);
    border-color: rgba(56, 189, 248, 0.9);
    box-shadow: 0 0 0 0.2rem rgba(56, 189, 248, 0.25);
    color: #f8fafc;
}

.auth-card .btn-primary {
    border-radius: 16px;
    padding: 0.85rem 1rem;
    font-weight: 600;
    background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 50%, #2563eb 100%);
    border: none;
    box-shadow: 0 18px 38px rgba(14, 165, 233, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.auth-card .btn-primary:hover,
.auth-card .btn-primary:focus {
    transform: translateY(-1px);
    box-shadow: 0 20px 42px rgba(14, 165, 233, 0.45);
    filter: brightness(1.05);
}

.auth-card .btn-outline-light {
    border-radius: 16px;
    padding: 0.75rem 1rem;
    font-weight: 600;
    border: 1px solid rgba(148, 163, 184, 0.35);
    color: #e2e8f0;
}

.auth-card .btn-outline-light:hover {
    background: rgba(148, 163, 184, 0.1);
    color: #f8fafc;
}

.auth-card .alert {
    border-radius: 16px;
    border: none;
}

.auth-card .form-text {
    color: rgba(148, 163, 184, 0.9);
}

.auth-footer {
    margin-top: 2rem;
    text-align: center;
    color: rgba(226, 232, 240, 0.65);
    font-size: 0.9rem;
}

.auth-footer a {
    color: #38bdf8;
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}