/* ═══════════════════════════════════════════════════════════════
   Login / access-denied screens
   Requires theme.css
   ═══════════════════════════════════════════════════════════════ */

body {
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 1rem;
    position: relative;
    overflow-x: hidden;
    background:
        radial-gradient(ellipse 60% 60% at 90% 0%, rgba(21, 154, 114, 0.5), transparent 60%),
        radial-gradient(ellipse 50% 50% at 0% 100%, rgba(245, 176, 0, 0.16), transparent 60%),
        linear-gradient(160deg, var(--c-brand-950) 0%, var(--c-brand-900) 50%, var(--c-brand-800) 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400' viewBox='0 0 400 400'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='0.06' stroke-width='1.2'%3E%3Cpath d='M20 200c40-80 120-120 200-100s120 100 160 120'/%3E%3Cpath d='M0 260c60-90 150-140 240-120s130 110 160 150'/%3E%3Cpath d='M40 320c50-70 130-110 220-90s120 90 140 110'/%3E%3Cpath d='M-20 140c60-60 150-100 240-80s130 80 180 100'/%3E%3Cpath d='M60 80c50-40 130-60 200-40s120 60 140 80'/%3E%3Cpath d='M0 360c70-60 160-80 250-60s130 50 150 70'/%3E%3C/g%3E%3C/svg%3E");
    background-size: 400px 400px;
    pointer-events: none;
}

.login-wrap {
    position: relative;
    width: 100%;
    max-width: 430px;
}

.login-card {
    background: var(--c-surface);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.08);
    width: 100%;
    overflow: hidden;
}

.login-header {
    padding: 2.25rem 2rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--c-line);
    background: linear-gradient(180deg, var(--c-surface-2), var(--c-surface));
}

.login-header .brand-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(145deg, var(--c-brand-500), var(--c-brand-700));
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--c-sun-300);
    margin-bottom: 1rem;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), var(--shadow-brand);
}

.login-header h3 {
    font-weight: 800;
    font-size: 1.3rem;
    margin-bottom: 0.2rem;
}

.login-header p {
    font-size: 0.88rem;
    color: var(--c-text-2);
    margin: 0;
}

.login-body {
    padding: 1.75rem 2rem 2rem;
}

.login-body .form-label {
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--c-text);
    margin-bottom: 0.35rem;
}

.login-body .input-group .input-group-text {
    border-right: none;
    background: var(--c-surface);
}

.login-body .input-group .form-control {
    border-left: none;
    padding: 0.65rem 0.85rem 0.65rem 0.25rem;
}

.login-body .input-group:focus-within .input-group-text {
    border-color: var(--c-brand-500);
    color: var(--c-brand-600);
}

.login-body .input-group:focus-within .form-control {
    box-shadow: none;
}

.login-body .input-group:focus-within {
    border-radius: var(--r-sm);
    box-shadow: var(--ring-brand);
}

.login-body .form-check-label {
    color: var(--c-text-2);
}

.btn-login {
    background: var(--c-brand-600);
    border: 1px solid var(--c-brand-600);
    color: #fff;
    font-weight: 700;
    padding: 0.7rem;
    border-radius: var(--r-md);
    font-size: 0.95rem;
}

.btn-login:hover,
.btn-login:focus-visible {
    background: var(--c-brand-700);
    border-color: var(--c-brand-700);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-brand);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin: 1.25rem auto 0;
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color .2s;
}

.back-link-wrap {
    text-align: center;
}

.back-link:hover {
    color: #fff;
}

@media (max-width: 480px) {
    .login-header { padding: 1.75rem 1.25rem 1.25rem; }
    .login-body { padding: 1.5rem 1.25rem 1.5rem; }
}