:root {
    --vnr-red: #a71930;
    --vnr-red-dark: #7f1024;
    --vnr-blue: #123b66;
    --vnr-ink: #17202b;
    --vnr-muted: #667085;
    --vnr-line: #e5e7eb;
}

.login-page {
    min-height: calc(100vh - 120px);
    display: grid;
    place-items: center;
    padding: 40px 20px;
    background: linear-gradient(145deg, #f5f7fa 0%, #eef2f6 55%, #f9f2f3 100%);
}

.login-card {
    width: min(100%, 460px);
    padding: 38px;
    border: 1px solid rgba(18, 59, 102, .12);
    border-top: 4px solid var(--vnr-red);
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 22px 60px rgba(20, 35, 55, .12);
}

.login-kicker, .admin-kicker {
    color: var(--vnr-red);
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .08em;
}

.login-heading h1, .admin-header h1 {
    margin: 8px 0;
    color: var(--vnr-ink);
}

.login-heading p, .admin-header p {
    margin: 0 0 28px;
    color: var(--vnr-muted);
}

.form-field {
    margin-bottom: 18px;
}

    .form-field label {
        display: block;
        margin-bottom: 7px;
        color: var(--vnr-ink);
        font-weight: 650;
    }

.form-control {
    width: 100%;
    box-sizing: border-box;
    padding: 12px 14px;
    border: 1px solid #cfd5dd;
    border-radius: 8px;
    font: inherit;
}

    .form-control:focus {
        border-color: var(--vnr-blue);
        outline: 3px solid rgba(18, 59, 102, .12);
    }

.validation-message {
    display: block;
    margin-top: 5px;
    color: #b42318;
    font-size: .86rem;
}

.login-alert {
    margin-bottom: 18px;
    padding: 11px 13px;
    border: 1px solid #f3b7b2;
    border-radius: 8px;
    color: #912018;
    background: #fff2f0;
}

.login-button, .admin-logout {
    border: 0;
    border-radius: 8px;
    color: #fff;
    background: var(--vnr-red);
    font-weight: 750;
    cursor: pointer;
}

.login-button {
    width: 100%;
    padding: 13px 18px;
}

    .login-button:hover, .admin-logout:hover {
        background: var(--vnr-red-dark);
    }

    .login-button:disabled {
        opacity: .65;
        cursor: wait;
    }

.back-home {
    display: inline-block;
    margin-top: 22px;
    color: var(--vnr-blue);
    text-decoration: none;
}

.admin-page {
    width: min(1180px, calc(100% - 32px));
    margin: 34px auto 70px;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--vnr-line);
}

    .admin-header p {
        margin-bottom: 0;
    }

.admin-logout {
    padding: 10px 16px;
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 28px;
}

.admin-module {
    min-height: 130px;
    padding: 22px;
    border: 1px solid var(--vnr-line);
    border-radius: 12px;
    color: var(--vnr-ink);
    background: #fff;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(20, 35, 55, .06);
}

    .admin-module strong, .admin-module span {
        display: block;
    }

    .admin-module strong {
        margin-bottom: 10px;
        color: var(--vnr-blue);
        font-size: 1.15rem;
    }

    .admin-module span {
        color: var(--vnr-muted);
        line-height: 1.55;
    }

    .admin-module:not(.admin-module-muted):hover {
        border-color: var(--vnr-red);
        transform: translateY(-2px);
    }

.admin-module-muted {
    opacity: .65;
}

@media (max-width: 760px) {
    .login-card {
        padding: 28px 22px;
    }

    .admin-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .admin-grid {
        grid-template-columns: 1fr;
    }
}