/**
 * Login overlay styling.
 *
 * Sits over the entire viewport with a high z-index so the
 * underlying dashboard markup is hidden until the user signs in.
 * Uses the existing CSS variables so the overlay picks up the
 * active theme (glassmorphism / terminal, dark / light) without
 * extra config.
 */

#login-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--overlay-bg, rgba(15, 23, 42, 0.95));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

#login-overlay .login-card {
    width: min(380px, 90vw);
    padding: 2.25rem 2rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    color: var(--color);
}

#login-overlay h1 {
    margin: 0 0 0.25rem;
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    color: var(--color);
}

#login-overlay .login-sub {
    margin: 0 0 1.5rem;
    text-align: center;
    color: var(--muted3);
    font-size: 0.875rem;
}

#login-overlay form {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

#login-overlay label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--muted3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.5rem;
}

#login-overlay input[type="text"],
#login-overlay input[type="password"] {
    padding: 0.6rem 0.75rem;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 6px;
    color: var(--color);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 120ms ease;
}

#login-overlay input:focus {
    border-color: var(--btn-border-hover);
}

#login-overlay .login-error {
    min-height: 1.25rem;
    margin: 0.5rem 0 0;
    color: #f87171;
    font-size: 0.825rem;
    text-align: center;
}

#login-overlay #login-submit {
    margin-top: 1rem;
    padding: 0.65rem 1rem;
    background: var(--btn-bg);
    border: 1px solid var(--btn-border);
    border-radius: 6px;
    color: var(--color);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 120ms ease, border-color 120ms ease;
}

#login-overlay #login-submit:hover:not([disabled]) {
    background: var(--btn-bg-hover);
    border-color: var(--btn-border-hover);
    box-shadow: var(--btn-shadow-hover);
}

#login-overlay #login-submit[disabled] {
    opacity: 0.6;
    cursor: progress;
}