html {
    font-size: 14px;
    min-height: 100%;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

:root {
    --lig-primary: #253f52;
    --lig-primary-dark: #172b38;
    --lig-accent: #537d68;
    --lig-background: #f4f6f7;
    --lig-border: #dfe5e8;
    --lig-text: #26343d;
    --lig-muted: #6d7b84;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--lig-text);
    background-color: var(--lig-background);
    display: flex;
    flex-direction: column;
}

.site-header {
    background-color: var(--lig-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

    .site-header .navbar {
        min-height: 64px;
    }

.site-brand {
    color: #fff;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

    .site-brand:hover,
    .site-brand:focus {
        color: #fff;
    }

.site-header .nav-link {
    color: rgba(255, 255, 255, 0.82);
}

    .site-header .nav-link:hover,
    .site-header .nav-link:focus {
        color: #fff;
    }

.site-header .dev-link {
    color: #ffd4a3;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-name {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3);
}

.navbar-toggler-icon {
    filter: invert(1);
}

.site-main {
    flex: 1;
    width: 100%;
}

.site-footer {
    padding: 1rem 0;
    border-top: 1px solid var(--lig-border);
    background: #fff;
    color: var(--lig-muted);
    font-size: 0.875rem;
}

/* ---------------------------------------------------------
   Forms
   --------------------------------------------------------- */

.form-control {
    border-color: #ccd5da;
}

    .form-control:focus,
    .form-check-input:focus {
        border-color: var(--lig-accent);
        box-shadow: 0 0 0 0.2rem rgba(83, 125, 104, 0.18);
    }

.form-label {
    font-weight: 600;
}

.btn-primary {
    background-color: var(--lig-primary);
    border-color: var(--lig-primary);
}

    .btn-primary:hover,
    .btn-primary:focus,
    .btn-primary:active {
        background-color: var(--lig-primary-dark) !important;
        border-color: var(--lig-primary-dark) !important;
    }

/* ---------------------------------------------------------
   Login
   --------------------------------------------------------- */

.login-page {
    background: linear-gradient( 135deg, rgba(23, 43, 56, 0.96), rgba(37, 63, 82, 0.9) 55%, rgba(83, 125, 104, 0.82) );
}

    .login-page .site-header {
        background: transparent;
        box-shadow: none;
    }

    .login-page .site-footer {
        background: transparent;
        border-top: 0;
        color: rgba(255, 255, 255, 0.65);
    }

.login-shell {
    min-height: calc(100vh - 130px);
    padding: 4rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    width: 100%;
    max-width: 460px;
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.98);
    border-radius: 18px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.login-brand-mark {
    width: 56px;
    height: 56px;
    flex: 0 0 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background-color: var(--lig-primary);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.login-brand h1 {
    margin: 0;
    font-size: 1.45rem;
    font-weight: 700;
}

.login-brand p {
    margin: 0.25rem 0 0;
    color: var(--lig-muted);
    font-size: 0.88rem;
}

.login-divider {
    height: 1px;
    margin: 1.75rem 0;
    background-color: var(--lig-border);
}

.login-heading {
    margin-bottom: 1.75rem;
}

    .login-heading h2 {
        margin-bottom: 0.4rem;
        font-size: 1.65rem;
        font-weight: 700;
    }

    .login-heading p {
        margin: 0;
        color: var(--lig-muted);
    }

.login-button {
    min-height: 52px;
    border-radius: 9px;
    font-weight: 600;
}

.login-footer-note {
    margin-top: 1.5rem;
    color: var(--lig-muted);
    font-size: 0.8rem;
    text-align: center;
}

.login-validation:empty {
    display: none;
}

/* ---------------------------------------------------------
   Responsive
   --------------------------------------------------------- */

@media (max-width: 767.98px) {

    .navbar-user {
        align-items: flex-start;
        flex-direction: column;
        padding: 0.75rem 0;
    }

    .login-shell {
        padding: 2rem 1rem;
        align-items: flex-start;
    }

    .login-card {
        padding: 1.75rem;
        border-radius: 14px;
    }
}