:root {
    color-scheme: light;
    --bg: #f7f8fa;
    --panel: #ffffff;
    --panel-strong: #f0f3f7;
    --text: #1e252d;
    --muted: #687386;
    --border: #d8dee8;
    --sidebar: #242832;
    --sidebar-active: #344052;
    --accent: #0f766e;
    --accent-strong: #0b5f59;
    --link: #2563eb;
    --danger: #b42318;
    --success: #087443;
    --warning: #b45309;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    margin: 0;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.45;
    letter-spacing: 0;
}

a {
    color: var(--link);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

button,
input,
select {
    font: inherit;
}

.app-shell {
    display: grid;
    min-height: 100vh;
}

.app-shell.with-sidebar {
    grid-template-columns: 248px minmax(0, 1fr);
}

.app-shell.auth-only {
    grid-template-columns: minmax(0, 1fr);
}

.sidebar {
    background: var(--sidebar);
    color: #ffffff;
    padding: 18px 14px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 42px;
    color: #ffffff;
    margin-bottom: 18px;
}

.brand:hover {
    text-decoration: none;
}

.brand-mark {
    display: inline-flex;
    width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--accent);
    color: #ffffff;
    font-weight: 700;
}

.brand strong,
.brand small {
    display: block;
}

.brand small {
    color: #b8c0cc;
    font-size: 12px;
}

.nav-list {
    display: grid;
    gap: 4px;
}

.nav-list a {
    color: #e6ebf2;
    padding: 9px 10px;
    border-radius: 8px;
}

.nav-list a:hover,
.nav-list a.active {
    background: var(--sidebar-active);
    color: #ffffff;
    text-decoration: none;
}

.main-panel {
    min-width: 0;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 76px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    background: #ffffff;
    gap: 16px;
}

.page-kicker {
    display: block;
    color: var(--muted);
    font-size: 12px;
}

.topbar h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 650;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-name {
    color: var(--muted);
}

.content {
    padding: 24px;
}

.auth-surface {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 24px;
}

.auth-panel {
    width: min(520px, 100%);
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 12px 24px rgba(30, 37, 45, 0.08);
}

.auth-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}

.auth-heading h1 {
    margin: 0;
    font-size: 22px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

.metric {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
}

.metric span {
    display: block;
    color: var(--muted);
    margin-bottom: 6px;
}

.metric strong {
    display: block;
    font-size: 28px;
    line-height: 1;
}

.split-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
    gap: 18px;
    align-items: start;
    margin-bottom: 18px;
}

.split-layout.wide-left {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 360px);
}

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--panel-strong);
}

.panel-header h2 {
    margin: 0;
    font-size: 16px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: middle;
}

.data-table th {
    color: var(--muted);
    font-size: 12px;
    font-weight: 650;
    background: #fbfcfd;
}

.data-table tr:last-child td {
    border-bottom: 0;
}

.row-actions {
    width: 1%;
    white-space: nowrap;
}

.form-grid {
    display: grid;
    gap: 12px;
    padding: 16px;
}

.form-grid.compact {
    gap: 10px;
}

.form-row {
    display: grid;
    gap: 10px;
}

.form-row.two {
    grid-template-columns: minmax(0, 1fr) minmax(96px, 140px);
}

label span,
legend {
    display: block;
    color: var(--muted);
    font-size: 12px;
    font-weight: 650;
    margin-bottom: 5px;
}

input,
select {
    width: 100%;
    height: 34px;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 8px;
    color: var(--text);
    background: #ffffff;
}

input:focus,
select:focus {
    border-color: var(--accent);
    outline: 2px solid rgba(15, 118, 110, 0.18);
}

.check-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.check-row input {
    width: 16px;
    height: 16px;
    flex: 0 0 auto;
}

.check-row span {
    margin: 0;
    color: var(--text);
    font-weight: 500;
}

.site-checks {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px;
    display: grid;
    gap: 8px;
}

.detail-list {
    display: grid;
    gap: 0;
    margin: 0;
}

.detail-list div {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 12px;
    padding: 11px 16px;
    border-bottom: 1px solid var(--border);
}

.detail-list dt {
    color: var(--muted);
    font-size: 12px;
    font-weight: 650;
}

.detail-list dd {
    margin: 0;
    overflow-wrap: anywhere;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 2px 9px;
    font-size: 12px;
    font-weight: 650;
}

.status-pill.active {
    border-color: #9bd6bb;
    color: var(--success);
    background: #f1fbf6;
}

.status-pill.inactive {
    border-color: #d7dce5;
    color: var(--muted);
    background: #f7f8fa;
}

.form-help {
    margin: 0;
    color: var(--muted);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 12px;
    background: #ffffff;
    color: var(--text);
    cursor: pointer;
    white-space: nowrap;
}

.button:hover {
    border-color: #b8c3d1;
    text-decoration: none;
}

.button.primary {
    border-color: var(--accent);
    background: var(--accent);
    color: #ffffff;
}

.button.primary:hover {
    background: var(--accent-strong);
}

.button.ghost {
    background: transparent;
}

.button.small {
    min-height: 28px;
    padding: 4px 9px;
    font-size: 13px;
}

.alert {
    border-radius: 8px;
    padding: 12px 14px;
    margin-bottom: 16px;
    border: 1px solid var(--border);
    background: #ffffff;
}

.alert.danger {
    border-color: #f0b7b2;
    color: var(--danger);
    background: #fff7f6;
}

.alert.success {
    border-color: #9bd6bb;
    color: var(--success);
    background: #f1fbf6;
}

.alert code {
    display: block;
    margin-top: 8px;
    padding: 8px;
    overflow-wrap: anywhere;
    border-radius: 6px;
    color: var(--text);
    background: #ffffff;
    border: 1px solid var(--border);
}

.muted {
    color: var(--muted);
    padding: 0 16px;
}

.muted-inline {
    color: var(--muted);
}

.panel-note {
    color: var(--muted);
    padding: 12px 16px;
    border-top: 1px solid var(--border);
}

.download-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
}

.download-summary strong,
.download-summary span {
    display: block;
}

.download-summary span {
    color: var(--muted);
    margin-top: 2px;
}

.empty-state {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 28px;
    max-width: 520px;
}

.empty-state h2 {
    margin-top: 0;
}

.site-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.site-toolbar span {
    color: var(--muted);
}

.top-gap {
    border-top: 1px solid var(--border);
}

@media (max-width: 960px) {
    .app-shell.with-sidebar {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

    .metric-grid,
    .split-layout,
    .split-layout.wide-left {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 640px) {
    .content {
        padding: 14px;
    }

    .topbar {
        padding: 14px;
    }

    .form-row.two {
        grid-template-columns: 1fr;
    }

    .data-table {
        display: block;
        overflow-x: auto;
    }

    .topbar-actions {
        width: 100%;
        justify-content: space-between;
    }
}