.admin-auth-body {
    min-height: 100vh;
    margin: 0;
    background: #f8fafc;
    color: var(--admin-text, #1f2328);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.auth-shell {
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.auth-card {
    width: 100%;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.auth-brand-mark {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 1.5rem;
}

.auth-brand-mark .auth-brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: #0f172a;
    color: #ffffff;
    font-size: 0.95rem;
}

.auth-form-heading {
    font-size: 1.375rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    margin: 0 0 0.25rem;
    color: #0f172a;
}

.auth-form-sub {
    color: #64748b;
    font-size: 0.875rem;
    margin: 0 0 1.5rem;
}

.auth-card .form-label {
    color: #334155;
    margin-bottom: 0.35rem;
}

.auth-card .form-control {
    padding: 0.625rem 0.75rem;
    border-radius: 8px;
    border-color: #e2e8f0;
    background-color: #ffffff;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.auth-card .form-control::placeholder {
    color: #94a3b8;
}

.auth-card .form-control:focus {
    border-color: #0f172a;
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08);
}

.auth-card .password-field {
    position: relative;
}

.auth-card .password-field .form-control {
    padding-right: 2.5rem;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 0.375rem;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: #64748b;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.password-toggle:hover,
.password-toggle:focus {
    background-color: #f1f5f9;
    color: #0f172a;
    outline: none;
}

.auth-form-options {
    display: flex;
    align-items: center;
    margin-bottom: 1.25rem;
    font-size: 0.85rem;
}

.auth-form-options .form-check-label {
    color: #475569;
    cursor: pointer;
}

.auth-card .btn-primary {
    width: 100%;
    padding: 0.625rem 1rem;
    font-weight: 500;
    border-radius: 8px;
    background: #0f172a;
    border: 1px solid #0f172a;
    box-shadow: none;
}

.auth-card .btn-primary:hover,
.auth-card .btn-primary:focus {
    background: #1e293b;
    border-color: #1e293b;
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.12);
}

.auth-card .btn-primary:active {
    background: #0f172a;
    border-color: #0f172a;
}

.auth-footer {
    margin: 0;
    font-size: 0.78rem;
    color: #94a3b8;
}

@media (max-width: 480px) {
    .admin-auth-body {
        padding: 1rem;
        align-items: flex-start;
        padding-top: 3rem;
    }

    .auth-card {
        padding: 1.5rem;
    }
}