:root {
    --login-surface: rgba(2, 34, 42, 0.76);
    --login-line: rgba(255, 255, 255, 0.13);
    --login-muted: rgba(255, 255, 255, 0.68);
    --login-accent: #7be0ee;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(circle at 18% 12%, rgba(123, 224, 238, 0.13), transparent 30rem),
        linear-gradient(135deg, #043743 0%, #086f82 46%, #07313a 100%);
    color: #ffffff;
}

.login-shell {
    min-height: 100vh;
    padding: 1rem;
}

.login-shell::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.14), rgba(0, 0, 0, 0.34));
}

.login-shell .main-container,
.login-shell .main-content {
    min-height: 100vh;
}

.login-form {
    width: min(100%, 380px);
    padding: 2rem;
    border: 1px solid var(--login-line);
    border-radius: 8px;
    background: var(--login-surface);
    box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.24);
    backdrop-filter: blur(18px);
}

.login-form .logo {
    display: inline-flex;
    margin-bottom: 1.5rem !important;
}

.login-form .form-floating {
    margin-bottom: 0.75rem;
}

.login-form .form-control {
    min-height: 52px;
    border: 1px solid var(--login-line);
    border-radius: 8px !important;
    background-color: rgba(255, 255, 255, 0.09);
    color: #ffffff;
    font-weight: 700;
}

.login-form .form-control:focus {
    border-color: rgba(123, 224, 238, 0.55);
    background-color: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 3px rgba(123, 224, 238, 0.12);
}

.login-form .form-floating > label {
    color: var(--login-muted);
}

.login-form .btn {
    min-height: 52px;
    margin-top: 0.35rem;
    margin-bottom: 0 !important;
    border-radius: 8px;
    font-weight: 800;
}

.login-alert {
    display: none;
    margin-bottom: 1rem;
    padding: 0.75rem 0.9rem;
    border: 1px solid rgba(255, 193, 7, 0.32);
    border-radius: 8px;
    background: rgba(255, 193, 7, 0.12);
    color: #fff6d6;
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.2;
}

.login-alert.is-visible {
    display: block;
}

@media (max-width: 560px) {
    .login-shell {
        padding: 0.75rem;
    }

    .login-form {
        padding: 1.25rem;
    }
}