:root {
    --app-bg: #f4f6f9;
    --app-surface: #ffffff;
    --app-primary: #0f5c61;
    --app-primary-hover: #0c4a4e;
    --app-text: #1c2833;
    --app-muted: #6c7a89;
    --app-border: #e6ebf0;
    --app-radius: 12px;
    --app-shadow: 0 1px 3px rgba(16, 24, 40, 0.08), 0 1px 2px rgba(16, 24, 40, 0.05);
}

html,
body {
    height: 100%;
}

body {
    background: var(--app-bg);
    color: var(--app-text);
    font-family: Nunito, system-ui, -apple-system, "Segoe UI", sans-serif;
}

#app {
    min-height: 100%;
}

.page-main {
    padding: 1.5rem 1.25rem 2.5rem;
}

@media (min-width: 1200px) {
    .page-main {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

.app-navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: var(--app-surface) !important;
    border-bottom: 1px solid var(--app-border);
    box-shadow: var(--app-shadow);
    padding: 0.45rem 1.25rem;
}

.app-navbar .navbar-brand {
    font-weight: 700;
    color: var(--app-primary) !important;
    letter-spacing: 0.01em;
}

.app-navbar .nav-link {
    color: var(--app-text) !important;
    font-weight: 600;
    padding: 0.5rem 0.85rem !important;
    border-radius: 8px;
}

.app-navbar .nav-link:hover,
.app-navbar .nav-link:focus {
    background: rgba(15, 92, 97, 0.06);
    color: var(--app-primary) !important;
}

.app-navbar .dropdown-menu {
    border: 1px solid var(--app-border);
    border-radius: 10px;
    box-shadow: var(--app-shadow);
    padding: 0.4rem 0;
}

.app-navbar .dropdown-item {
    padding: 0.45rem 1rem;
    font-weight: 500;
}

.app-navbar .navbar-nav.ml-auto .nav-link {
    color: var(--app-muted) !important;
}

.card {
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius);
    box-shadow: var(--app-shadow);
    background: var(--app-surface);
}

.card-header {
    background: #fbfcfd;
    border-bottom: 1px solid var(--app-border);
    font-weight: 700;
    border-radius: var(--app-radius) var(--app-radius) 0 0 !important;
}

.btn {
    border-radius: 8px;
    font-weight: 600;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--app-primary-hover);
    border-color: var(--app-primary-hover);
}

.btn-info {
    background-color: #1a7a80;
    border-color: #1a7a80;
}

.btn-info:hover {
    background-color: #156267;
    border-color: #156267;
}

.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.page-header h1,
.page-header h2,
.page-header h6,
.page-title {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--app-text);
}

.filter-card {
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius);
    box-shadow: var(--app-shadow);
    padding: 1rem 1.15rem;
    margin-bottom: 1.25rem;
}

.table-card {
    overflow: hidden;
}

.table-card .table {
    margin-bottom: 0;
}

.table thead th {
    background: #f7f9fb;
    color: var(--app-muted);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 1px solid var(--app-border);
    font-weight: 700;
    white-space: nowrap;
}

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

.table-hover tbody tr:hover {
    background-color: rgba(15, 92, 97, 0.04);
}

.form-control:focus {
    border-color: var(--app-primary);
    box-shadow: 0 0 0 0.15rem rgba(15, 92, 97, 0.18);
}

.badge-status-active {
    background: #e6f6ee;
    color: #1b7a4a;
    font-weight: 600;
    padding: 0.4em 0.7em;
}

.badge-status-disabled {
    background: #fdecea;
    color: #b42318;
    font-weight: 600;
    padding: 0.4em 0.7em;
}

.stat-chip {
    background: #eef6f4;
    border-radius: 10px;
    padding: 0.65rem 1rem;
    font-weight: 600;
    color: var(--app-primary);
}

.alert {
    border-radius: 10px;
    border: 0;
}

.inline-action {
    display: inline-block;
}

body.guest-page {
    background: linear-gradient(180deg, #eef3f4 0%, #f4f6f9 40%);
}

.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.auth-wrap .card {
    width: 100%;
    max-width: 460px;
}

.auth-wrap .card-header {
    text-align: center;
    font-size: 1.1rem;
}

.pagination {
    margin-top: 1rem;
}