*,
*::before,
*::after {
    box-sizing: border-box;
}

body.login-page {
    margin: 0;
    min-height: 100vh;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #0f172a;
    background: #f4f6f9;
}

.login-shell {
    display: flex;
    min-height: 100vh;
}

.login-brand {
    display: flex;
    flex: 1 1 45%;
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
    padding: 3rem;
    background: linear-gradient(160deg, #1e293b 0%, #0f172a 100%);
    color: #f8fafc;
}

.login-brand__badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 0.375rem 0.75rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.login-brand__title {
    margin: 0;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.15;
}

.login-brand__subtitle {
    margin: 0;
    max-width: 22rem;
    font-size: 1.0625rem;
    line-height: 1.6;
    color: #cbd5e1;
}

.login-brand__features {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    margin: 0.5rem 0 0;
    padding: 0;
    list-style: none;
}

.login-brand__features li {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.9375rem;
    color: #e2e8f0;
}

.login-brand__features li::before {
    content: "";
    flex-shrink: 0;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: #38bdf8;
}

.login-form-panel {
    display: flex;
    flex: 1 1 55%;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    width: 100%;
    max-width: 26rem;
    padding: 2.5rem;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    background: #fff;
    box-shadow: 0 1rem 2.5rem rgba(15, 23, 42, 0.08);
}

.login-card__eyebrow {
    margin: 0 0 0.5rem;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #64748b;
}

.login-card__title {
    margin: 0 0 0.375rem;
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
}

.login-card__lead {
    margin: 0 0 1.75rem;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: #64748b;
}

.login-field {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-bottom: 1.125rem;
}

.login-field label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #334155;
}

.login-field input {
    width: 100%;
    padding: 0.75rem 0.875rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #0f172a;
    background: #fff;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.login-field input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.login-field input.is-invalid {
    border-color: #ef4444;
}

.login-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.login-remember {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #475569;
    cursor: pointer;
}

.login-remember input {
    width: 1rem;
    height: 1rem;
    margin: 0;
    accent-color: #1e293b;
}

.login-submit {
    width: 100%;
    padding: 0.8125rem 1rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: #1e293b;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease;
}

.login-submit:hover {
    background: #334155;
}

.login-submit:active {
    transform: translateY(1px);
}

.login-alert {
    margin-bottom: 1.25rem;
    padding: 0.875rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    line-height: 1.5;
}

.login-alert--error {
    border: 1px solid #fecaca;
    background: #fef2f2;
    color: #b91c1c;
}

.login-alert--error ul {
    margin: 0;
    padding-left: 1.125rem;
}

.login-alert--success {
    border: 1px solid #bbf7d0;
    background: #f0fdf4;
    color: #15803d;
}

.login-mobile-brand {
    display: none;
    padding: 1.5rem 1.5rem 0;
    text-align: center;
}

.login-mobile-brand__title {
    margin: 0;
    font-size: 1.375rem;
    font-weight: 700;
    color: #1e293b;
}

.login-mobile-brand__subtitle {
    margin: 0.25rem 0 0;
    font-size: 0.875rem;
    color: #64748b;
}

@media (max-width: 768px) {
    .login-shell {
        flex-direction: column;
    }

    .login-brand {
        display: none;
    }

    .login-mobile-brand {
        display: block;
    }

    .login-form-panel {
        flex: 1;
        padding: 1rem 1.25rem 2rem;
    }

    .login-card {
        padding: 1.75rem 1.5rem;
        box-shadow: 0 0.5rem 1.5rem rgba(15, 23, 42, 0.06);
    }

    .login-card__title {
        font-size: 1.5rem;
    }
}

@media (min-width: 1440px) {
    .login-brand {
        padding: 4rem;
    }

    .login-brand__title {
        font-size: 2.75rem;
    }
}