:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #f0f1f4;
  --line: #e2e4e9;
  --line-strong: #cfd3da;
  --text: #16181d;
  --muted: #6b7280;
  --faint: #b3b8c2;
  --accent: #0a66ff;
  --accent-soft: #e6efff;
  --ok: #0f7a3a;
  --ok-bg: #d6f5e0;
  --ok-line: #8fdcaa;
  --warn: #9a5b00;
  --warn-bg: #fff4d6;
  --alarm: #ff1f3d;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0f12;
    --surface: #17191e;
    --surface-2: #1f2228;
    --line: #2a2e36;
    --line-strong: #3a3f49;
    --text: #eceef2;
    --muted: #9aa1ad;
    --faint: #4d535e;
    --accent: #4d8dff;
    --accent-soft: #1a2640;
    --ok: #6ee79a;
    --ok-bg: #123a22;
    --ok-line: #1f6b3d;
    --warn: #ffcf6b;
    --warn-bg: #3a2d10;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 "Pretendard Variable", Pretendard, -apple-system, "Segoe UI", "Malgun Gothic", sans-serif;
  padding: 0 16px 24px;
  max-width: 1400px;
  margin: 0 auto;
  -webkit-font-smoothing: antialiased;
}

button, select, input { font: inherit; color: inherit; }

/* ── 상단 ─────────────────────────────── */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 0 12px;
}
.title { display: flex; align-items: center; gap: 8px; min-width: 0; }
.logo {
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--text); color: var(--bg);
  flex: none;
}
h1 { font-size: 18px; font-weight: 750; letter-spacing: -.02em; margin: 0; white-space: nowrap; }
.badge {
  font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 99px;
  background: var(--surface-2); color: var(--muted); border: 1px solid var(--line);
}
.top-actions { display: flex; gap: 6px; flex: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 34px; padding: 0 12px; border-radius: 8px;
  border: 1px solid var(--line-strong); background: var(--surface);
  font-weight: 600; font-size: 13px; cursor: pointer; text-decoration: none; color: var(--text);
  white-space: nowrap; transition: background .12s, border-color .12s, transform .06s;
}
.btn:hover { background: var(--surface-2); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible, .tabs a:focus-visible, #grid [data-k]:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
.btn.ghost { background: transparent; }
.btn.small { height: 28px; padding: 0 10px; font-size: 12px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.stop { background: var(--alarm); border-color: var(--alarm); color: #fff; }
.btn.big { height: 44px; padding: 0 18px; font-size: 15px; font-weight: 700; }
#refresh.spin svg { animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── 탭 ─────────────────────────────── */
.tabs {
  display: flex; gap: 4px; overflow-x: auto; padding: 2px 0 10px;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tabs a {
  flex: none; padding: 7px 13px; border-radius: 99px;
  color: var(--muted); text-decoration: none; font-weight: 600; font-size: 13px;
  border: 1px solid transparent;
}
.tabs a:hover { color: var(--text); background: var(--surface); }
.tabs a[aria-current="page"] { background: var(--text); color: var(--bg); }
.tabs a .dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); margin-left: 6px; vertical-align: 2px;
}

/* ── 알림 설정 ─────────────────────────────── */
.arm {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 12px; margin-bottom: 10px; box-shadow: var(--shadow);
}
.arm-cta { display: flex; align-items: center; gap: 12px; min-width: 0; }
.arm-cta p { margin: 0; color: var(--muted); font-size: 12.5px; }
.arm-cta b { color: var(--text); }
#armBtn { background: var(--alarm); border-color: var(--alarm); color: #fff; animation: nudge 1.6s ease-in-out infinite; }
@keyframes nudge { 50% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--alarm) 22%, transparent); } }
.arm.armed .arm-cta { display: none; }
.arm-status { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.pill {
  font-size: 12px; font-weight: 600; padding: 4px 9px; border-radius: 99px;
  background: var(--warn-bg); color: var(--warn);
}
.pill.good { background: var(--ok-bg); color: var(--ok); }
.pill.bad { background: color-mix(in srgb, var(--alarm) 14%, transparent); color: var(--alarm); }
.vol { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); font-weight: 600; }
.vol input { width: 110px; accent-color: var(--alarm); }
.vol output { width: 38px; font-variant-numeric: tabular-nums; color: var(--text); }

/* ── 상태 줄 ─────────────────────────────── */
.status {
  font-size: 12.5px; color: var(--muted); padding: 2px 2px 8px;
  font-variant-numeric: tabular-nums; min-height: 27px;
}
.status b { color: var(--text); font-weight: 650; }
.status .ok { color: var(--ok); font-weight: 700; }
.status .err { color: var(--alarm); font-weight: 600; }
.status .live { color: var(--accent); font-weight: 700; }
.status .live::before {
  content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: currentColor; margin-right: 5px; vertical-align: 1px; animation: blink 1.2s infinite;
}
@keyframes blink { 50% { opacity: .25; } }

/* ── 표 ─────────────────────────────── */
.table-wrap {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: auto; max-height: calc(100vh - 250px); min-height: 120px; box-shadow: var(--shadow);
}
#grid { border-collapse: separate; border-spacing: 0; width: 100%; font-size: 12.5px; }
#grid th, #grid td { border-bottom: 1px solid var(--line); white-space: nowrap; }
#grid thead th {
  position: sticky; top: 0; z-index: 3;
  background: var(--surface-2); padding: 8px 10px; font-weight: 700; text-align: center;
  cursor: pointer; user-select: none;
}
#grid thead th small { display: block; font-weight: 500; font-size: 11px; color: var(--muted); }
#grid thead th.corner { left: 0; z-index: 4; text-align: left; border-right: 1px solid var(--line); }
#grid tr.grp th {
  background: var(--bg); padding: 10px 10px 6px; text-align: left;
  font-size: 12px; font-weight: 750; color: var(--muted); letter-spacing: .01em;
}
#grid tr.grp th span { position: sticky; left: 10px; }
#grid th.model {
  position: sticky; left: 0; z-index: 2; background: var(--surface);
  text-align: left; padding: 6px 12px 6px 10px; font-weight: 500; cursor: pointer;
  border-right: 1px solid var(--line); user-select: none;
}
#grid th.model b { font-weight: 700; margin-right: 4px; }
#grid th.model span { color: var(--muted); }
.sw {
  display: inline-block; width: 11px; height: 11px; border-radius: 50%; margin-right: 7px;
  background: var(--c); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .18); vertical-align: -1px;
}
#grid td {
  text-align: center; padding: 6px 8px; min-width: 76px; cursor: pointer; user-select: none;
  color: var(--faint); font-weight: 600;
}
#grid td:hover, #grid th.model:hover, #grid thead th:hover { filter: brightness(.95); }
#grid td.ok { background: var(--ok-bg); color: var(--ok); font-weight: 750; }
#grid td.ok .q { display: block; font-size: 10.5px; font-weight: 600; opacity: .8; }
#grid td.na { color: var(--faint); font-weight: 400; }

/* 감시 표시 */
#grid .w { box-shadow: inset 0 0 0 2px var(--accent); }
#grid td.cov { background-image: repeating-linear-gradient(135deg, var(--accent-soft) 0 5px, transparent 5px 10px); }
#grid td.ok.cov { background-color: var(--ok-bg); }
#grid th.w, #grid th.model.w { background-color: var(--accent-soft); }
#grid td.empty { cursor: default; color: var(--muted); font-weight: 500; padding: 36px 16px; }
#grid td.hit { animation: hit .5s steps(2) infinite; }
@keyframes hit { 50% { background: var(--alarm); color: #fff; } }

.empty { padding: 32px 16px; text-align: center; color: var(--muted); }

/* ── 감시 패널 ─────────────────────────────── */
.watch {
  margin-top: 12px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 12px; box-shadow: var(--shadow);
}
.watch-head { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 10px; }
.watch h2 { font-size: 14px; margin: 0; font-weight: 750; }
.hint { margin: 2px 0 0; font-size: 12px; color: var(--muted); }
.watch-ctl { display: flex; align-items: center; gap: 8px; }
.interval { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); font-weight: 600; }
.interval select {
  height: 34px; border-radius: 8px; border: 1px solid var(--line-strong);
  background: var(--surface); padding: 0 8px;
}
#watchBtn { min-width: 96px; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0; min-height: 4px; }
.chip {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--accent-soft); color: var(--text); border-radius: 99px;
  padding: 3px 4px 3px 10px; font-size: 12px; font-weight: 600;
}
.chip.hit { background: var(--alarm); color: #fff; }
.chip button {
  border: 0; background: transparent; cursor: pointer; width: 20px; height: 20px; border-radius: 50%;
  line-height: 1; color: inherit; opacity: .6;
}
.chip button:hover { opacity: 1; background: rgba(0, 0, 0, .08); }
.chips .none { color: var(--muted); font-size: 12px; }

.log {
  font: 12px/1.55 ui-monospace, "Cascadia Mono", Consolas, monospace;
  background: var(--surface-2); border-radius: 8px; padding: 8px 10px;
  height: 128px; overflow-y: auto; color: var(--muted); white-space: pre-wrap; word-break: break-all;
}
.log .alert { color: var(--alarm); font-weight: 700; }
.log .good { color: var(--ok); }

.foot { text-align: center; font-size: 11.5px; color: var(--muted); padding: 16px 0 0; }

/* ── 알람 오버레이 ─────────────────────────────── */
.alarm {
  position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 16px;
  background: var(--alarm); animation: strobe .45s steps(2) infinite;
}
.alarm[hidden] { display: none; }
@keyframes strobe { 50% { background: #0a0a0a; } }
.alarm-box {
  background: #fff; color: #111; border-radius: 18px; padding: 28px 28px 24px;
  width: min(560px, 100%); text-align: center; box-shadow: 0 30px 80px rgba(0, 0, 0, .45);
}
.alarm-kicker { font-weight: 800; color: var(--alarm); letter-spacing: .12em; font-size: 13px; }
.alarm h2 { font-size: clamp(34px, 8vw, 56px); margin: 4px 0 14px; letter-spacing: -.03em; font-weight: 900; }
.alarm ul { list-style: none; margin: 0 0 20px; padding: 0; max-height: 40vh; overflow: auto; text-align: left; }
.alarm li {
  padding: 9px 12px; border-radius: 10px; background: #f3f4f6; margin-bottom: 6px;
  font-weight: 650; font-size: 15px;
}
.alarm li small { color: #6b7280; font-weight: 600; margin-left: 6px; }
.alarm-actions { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.alarm .buy { background: #111; border-color: #111; color: #fff; }
.alarm .off { background: #fff; border-color: #d0d4db; color: #111; }
kbd {
  font: 11px ui-monospace, Consolas, monospace; border: 1px solid currentColor; border-radius: 4px;
  padding: 0 4px; opacity: .6;
}

@media (prefers-reduced-motion: reduce) {
  .alarm { animation-duration: 1.6s; }
  #armBtn, #grid td.hit { animation: none; }
}

@media (max-width: 640px) {
  h1 { font-size: 16px; }
  .top-actions #buyLink { display: none; }
  #refresh span { display: none; }
  .arm-cta { flex-direction: column; align-items: flex-start; gap: 6px; }
  .table-wrap { max-height: none; }
  .watch-ctl { width: 100%; }
  #watchBtn { flex: 1; }
}

/* 조회 실패: 옛날 값 대신 ? 만 남긴 표를 흐리게 */
.table-wrap.failed { border-color: var(--alarm); }
.table-wrap.failed #grid td { background: repeating-linear-gradient(135deg, transparent 0 6px, color-mix(in srgb, var(--alarm) 7%, transparent) 6px 12px); }
.status .err { display: inline-block; }