:root {
    --prevdata-blue: #506571;
    --prevdata-blue-dark: #202b33;
    --prevdata-green: #7c8d99;
    --prevdata-green-dark: #3f545e;
    --prevdata-ink: #202b33;
    --prevdata-muted: #627783;
    --prevdata-bg: #eff1f3;
    --prevdata-border: #bcc6ce;
    --prevdata-surface: #d9dee3;
}

body {
    background: var(--prevdata-bg);
    color: var(--prevdata-ink);
}

a {
    color: var(--prevdata-blue);
}

a:hover {
    color: var(--prevdata-green-dark);
}

.brand-navbar {
    background: linear-gradient(135deg, var(--prevdata-blue-dark), var(--prevdata-blue));
    box-shadow: 0 4px 12px rgba(32, 43, 51, 0.15);
}

.navbar-brand {
    font-weight: 700;
}

.brand-lockup {
    align-items: center;
    display: inline-flex;
}

.brand-logo {
    display: block;
    height: auto;
}

.brand-logo-wrap {
    display: inline-block;
    padding: 0.35rem 0.5rem;
}

.brand-logo-wrap-navbar {
    padding: 0.2rem 0.35rem;
}

.brand-logo-wrap-login {
    padding: 0.65rem 0.85rem;
}

.brand-logo-navbar {
    max-height: 40px;
    width: auto;
}

.brand-logo-login {
    max-height: 78px;
    max-width: 100%;
    width: auto;
}

.nav-link {
    border-radius: 6px;
    font-weight: 500;
    margin-right: 0.15rem;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.78);
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.btn-primary {
    --bs-btn-bg: var(--prevdata-blue);
    --bs-btn-border-color: var(--prevdata-blue);
    --bs-btn-hover-bg: var(--prevdata-blue-dark);
    --bs-btn-hover-border-color: var(--prevdata-blue-dark);
    --bs-btn-active-bg: var(--prevdata-blue-dark);
    --bs-btn-active-border-color: var(--prevdata-blue-dark);
}

.btn-success {
    --bs-btn-bg: var(--prevdata-green);
    --bs-btn-border-color: var(--prevdata-green);
    --bs-btn-hover-bg: var(--prevdata-green-dark);
    --bs-btn-hover-border-color: var(--prevdata-green-dark);
    --bs-btn-color: #202b33;
    --bs-btn-hover-color: #fff;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--prevdata-green);
    box-shadow: 0 0 0 0.2rem rgba(124, 141, 153, 0.25);
}

.card {
    border-color: var(--prevdata-border);
    border-radius: 8px;
}

.card-header {
    background: var(--prevdata-surface);
    border-bottom-color: var(--prevdata-border);
    color: var(--prevdata-blue-dark);
    font-weight: 600;
}

.card-stat {
    border: 0;
    border-left: 4px solid var(--prevdata-green);
}

.table td,
.table th {
    vertical-align: middle;
}

.table thead th {
    background-color: var(--prevdata-surface);
    color: var(--prevdata-blue-dark);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.contacts-table-wrap {
    padding-top: 0.35rem;
}

.contacts-table-wrap .table th,
.contacts-table-wrap .table td {
    padding-left: 1rem;
    padding-right: 1rem;
}

.email-body {
    font-family: Consolas, monospace;
    min-height: 260px;
}

.page-title {
    color: var(--prevdata-blue);
    font-size: 1.55rem;
    font-weight: 750;
}

.badge-status {
    min-width: 90px;
}

.auth-shell {
    background:
        radial-gradient(circle at top left, rgba(124, 141, 153, 0.25), transparent 40%),
        linear-gradient(145deg, #eff1f3 0%, #d9dee3 50%, #eff1f3 100%);
}

.login-card {
    border: 0;
    border-top: 5px solid var(--prevdata-blue);
    box-shadow: 0 12px 35px rgba(32, 43, 51, 0.12) !important;
    margin: 8vh auto;
    max-width: 430px;
}

.login-brand {
    align-items: center;
    display: flex;
    justify-content: center;
}

.text-muted {
    color: var(--prevdata-muted) !important;
}

.text-break-all {
    word-break: break-all;
}

.alert-success {
    background: #d9dee3;
    border-color: #bcc6ce;
    color: #202b33;
}