:root {
    color-scheme: light dark;
    --bg: #f6f7f9;
    --surface: #ffffff;
    --surface-2: #f1f2f5;
    --border: #e0e2e8;
    --text: #1c1f26;
    --muted: #6a7180;
    --accent: #2f6df6;
    --ok: #1f9d55;
    --warn: #c77700;
    --err: #d1394a;
    --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #14161a;
        --surface: #1c1f24;
        --surface-2: #23262c;
        --border: #2f333a;
        --text: #e6e8ec;
        --muted: #9aa1ad;
        --accent: #6f9dff;
        --ok: #4ec27e;
        --warn: #e0a336;
        --err: #ef6b7a;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

code, pre, input[type="text"], input[type="number"], textarea { font-family: var(--mono); }

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 12px 20px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 15px; font-weight: 600; margin: 0; letter-spacing: 0.2px; }

.dot {
    width: 9px; height: 9px; border-radius: 50%;
    background: var(--muted);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--muted) 22%, transparent);
}
.dot.online { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 22%, transparent); }
.dot.offline { background: var(--err); box-shadow: 0 0 0 3px color-mix(in srgb, var(--err) 22%, transparent); }

.topbar-meta { display: flex; align-items: center; gap: 12px; }
.topbar-meta code { font-size: 12px; color: var(--muted); }

.save-state { font-size: 12px; color: var(--muted); min-width: 84px; text-align: right; }
.save-state.saved { color: var(--ok); }
.save-state.error { color: var(--err); }

button {
    font: inherit;
    cursor: pointer;
    border-radius: 7px;
    border: 1px solid var(--border);
    background: var(--surface-2);
    color: var(--text);
    padding: 5px 11px;
}
button:hover { border-color: var(--accent); }
button.ghost { background: transparent; }
button.danger { color: var(--err); }

.tabs {
    display: flex;
    gap: 4px;
    padding: 0 20px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}

.tab {
    border: none;
    background: none;
    border-radius: 0;
    border-bottom: 2px solid transparent;
    padding: 9px 12px;
    color: var(--muted);
    font-weight: 500;
}
.tab:hover { color: var(--text); border-color: transparent; }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

.badge {
    display: inline-block;
    min-width: 18px;
    padding: 0 5px;
    border-radius: 9px;
    background: var(--accent);
    color: #fff;
    font-size: 11px;
    text-align: center;
}
/* an author `display` beats the UA rule behind the hidden attribute */
.badge[hidden] { display: none; }

main { padding: 20px; max-width: 1180px; margin: 0 auto; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 14px; align-items: start; }
.grid .wide { grid-column: 1 / -1; }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 14px;
}
.grid .card { margin-bottom: 0; }

.card h2 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 0 0 12px; }
.card h3 { font-size: 12px; margin: 0 0 6px; font-weight: 600; }
.card h3 small { font-weight: 400; color: var(--muted); }

.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.card-head.standalone { margin: 0 0 12px; }
.card-head h2 { margin: 0; }
.head-actions { display: flex; align-items: center; gap: 12px; }

label { display: block; margin-bottom: 12px; font-size: 12px; color: var(--muted); }
label:last-child { margin-bottom: 0; }

input[type="text"], input[type="number"], select, textarea {
    display: block;
    width: 100%;
    margin-top: 4px;
    padding: 6px 8px;
    font-size: 13px;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: -1px; }
select { font-family: inherit; }
textarea { min-height: 92px; resize: vertical; }

label small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }

.check { display: flex; gap: 8px; align-items: flex-start; }
.check input { margin: 2px 0 0; width: auto; }
.check span { color: var(--text); font-size: 13px; }
.check small { color: var(--muted); }
.check.inline span { font-size: 12px; }

.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row > label { flex: 1 1 120px; }

.preview-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }

pre {
    margin: 0;
    padding: 10px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 12px;
    line-height: 1.4;
    overflow-x: auto;
    max-height: 300px;
}

.rules { display: flex; flex-direction: column; gap: 8px; }

.rule {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    flex-wrap: wrap;
    padding: 10px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
}
.rule label { margin: 0; flex: 1 1 110px; }
.rule .remove { flex: 0 0 auto; }

.customer { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; margin-bottom: 10px; }
.customer-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.customer-title { font-weight: 600; font-size: 13px; display: flex; align-items: center; gap: 8px; }

.pill { font-size: 11px; padding: 1px 7px; border-radius: 20px; border: 1px solid var(--border); color: var(--muted); }
.pill.active { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, var(--border)); }
.pill.unknown { color: var(--muted); }
.pill.blocked_by_provider { color: var(--err); border-color: color-mix(in srgb, var(--err) 45%, var(--border)); }
.pill.activation_pending { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, var(--border)); }

.endpoint { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; margin-bottom: 10px; }
.endpoint.off { opacity: 0.62; }
.endpoint-head { display: flex; align-items: center; gap: 10px; justify-content: space-between; flex-wrap: wrap; }
.endpoint-title { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 13px; }
.endpoint-title code { font-weight: 400; color: var(--muted); font-size: 12px; }
.endpoint-hint { color: var(--muted); font-size: 11px; margin: 6px 0 0; }
.endpoint-controls { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.endpoint-controls label { margin: 0; flex: 1 1 130px; }
.endpoint-body { margin-top: 10px; }

.method { font-size: 11px; font-family: var(--mono); padding: 1px 6px; border-radius: 4px; background: var(--surface-2); border: 1px solid var(--border); color: var(--muted); }

.requests { display: flex; flex-direction: column; gap: 6px; }

details.request { background: var(--surface); border: 1px solid var(--border); border-radius: 9px; overflow: hidden; }
details.request > summary {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 12px; cursor: pointer; font-size: 12px; list-style: none;
}
details.request > summary::-webkit-details-marker { display: none; }
details.request[data-level="error"] { border-color: color-mix(in srgb, var(--err) 45%, var(--border)); }
details.request[data-level="warn"] { border-color: color-mix(in srgb, var(--warn) 45%, var(--border)); }

.status { font-family: var(--mono); font-weight: 600; }
.status.ok { color: var(--ok); }
.status.warn { color: var(--warn); }
.status.error { color: var(--err); }

.req-path { font-family: var(--mono); flex: 1 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.req-time, .req-duration { color: var(--muted); font-size: 11px; white-space: nowrap; }
.req-note { color: var(--warn); font-size: 11px; }
.request-body { padding: 0 12px 12px; display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.empty { color: var(--muted); font-size: 13px; padding: 18px; text-align: center; border: 1px dashed var(--border); border-radius: 9px; }