/* ==========================================================
   SGC — Login
   ========================================================== */

.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-base);
    background-image:
        radial-gradient(circle at 15% 20%, rgba(59, 130, 246, 0.08), transparent 40%),
        radial-gradient(circle at 85% 80%, rgba(59, 130, 246, 0.05), transparent 40%);
    padding: 20px;
}

.login-box {
    width: 100%;
    max-width: 400px;
}

.login-brand {
    display: flex;
    justify-content: center;
    margin-bottom: 28px;
}

.login-brand-mark {
    width: 84px;
    height: 84px;
    object-fit: contain;
    filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.12));
}

.login-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: var(--shadow-lg);
}

.login-title {
    font-size: 1.3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 6px;
}

.login-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 28px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-alert {
    background: var(--danger-soft);
    color: var(--danger);
    border-radius: var(--radius-sm);
    padding: 11px 14px;
    font-size: 0.82rem;
    margin-bottom: 18px;
    display: none;
}

.login-alert.show { display: block; }

.login-submit {
    width: 100%;
    margin-top: 8px;
    height: 44px;
    font-weight: 600;
}

.login-footer-note {
    text-align: center;
    margin-top: 28px;
    font-size: 0.76rem;
    color: var(--text-muted);
}