/* Mobile first: the base rules are for a phone, the min-width blocks widen things for bigger screens. */
:root {
  --bg: #f4f5f8; --card: #ffffff; --text: #101828; --muted: #667085; --line: #e4e7ec; --field: #f9fafb;
  --accent: #5b4bdb; --accent-ink: #ffffff; --accent-soft: #eeecfe;
  --live: #e5484d; --ok: #12a150; --warn: #b9730f;
  --radius: 14px; --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 2px 6px rgba(16, 24, 40, .05);
  --tabbar: 60px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1016; --card: #161a22; --text: #eceef2; --muted: #98a2b3; --line: #252b36; --field: #10141b;
    --accent: #9b90ff; --accent-ink: #0d1016; --accent-soft: #221f45;
    --live: #ff6369; --ok: #3dd68c; --warn: #f0b34d; --shadow: none;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}
body.signed-in { padding-bottom: calc(var(--tabbar) + env(safe-area-inset-bottom)); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; line-height: 1.25; margin: 0; letter-spacing: -.01em; }
h2 { font-size: 17px; margin: 0; letter-spacing: -.005em; }
code { font-size: .92em; background: var(--field); border: 1px solid var(--line); border-radius: 5px; padding: 1px 5px; }
ul { padding-left: 20px; }
.muted { color: var(--muted); }
p.sub { color: var(--muted); margin: 6px 0 16px; font-size: 14.5px; }

/* ---------- app bar (top) and tab bar (bottom, phones) ---------- */
.appbar {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; padding-top: calc(10px + env(safe-area-inset-top));
  background: color-mix(in srgb, var(--card) 88%, transparent); backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--text); letter-spacing: -.01em; }
.brand:hover { text-decoration: none; }
.brand svg { width: 26px; height: 26px; border-radius: 7px; }
.appbar .links { display: none; }
.appbar .me { margin-left: auto; display: inline-flex; align-items: center; gap: 8px; color: var(--text); font-size: 14px; font-weight: 600; }
.appbar .me:hover { text-decoration: none; }
.appbar .signout { display: none; }
.avatar {
  flex: none; display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent); font-weight: 700; text-transform: uppercase;
}
.avatar.sm { width: 30px; height: 30px; font-size: 13px; }

.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; display: flex;
  height: calc(var(--tabbar) + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom);
  background: color-mix(in srgb, var(--card) 92%, transparent); backdrop-filter: saturate(1.4) blur(12px);
  border-top: 1px solid var(--line);
}
.tab {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  color: var(--muted); font-size: 11px; font-weight: 600;
}
.tab:hover { text-decoration: none; }
.tab svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tab.on { color: var(--accent); }

main { max-width: 1120px; margin: 0 auto; padding: 16px 14px 28px; }

/* ---------- headings, rows, small pieces ---------- */
.row { display: flex; gap: 8px 12px; align-items: center; flex-wrap: wrap; margin: 26px 0 10px; }
.row:first-child { margin-top: 2px; }
.row > a, .row > .tabs { font-size: 14px; }
.badge {
  display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 700; letter-spacing: .03em;
  padding: 3px 9px; border-radius: 999px; background: color-mix(in srgb, currentColor 12%, transparent);
}
.badge.live { color: var(--live); }
.badge.live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; animation: pulse 1.6s ease-in-out infinite; }
.badge.off { color: var(--muted); }
.badge.warn { color: var(--warn); }
@keyframes pulse { 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .badge.live::before { animation: none; } }
a.ext {
  display: inline-flex; align-items: center; font-size: 11.5px; font-weight: 600; white-space: nowrap; margin-left: 6px;
  padding: 2px 8px; border-radius: 999px; color: var(--muted); border: 1px solid var(--line); background: var(--card);
}
a.ext:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }
.tabs { display: inline-flex; gap: 4px; flex-wrap: wrap; }
.tabs a { padding: 4px 10px; border-radius: 999px; color: var(--muted); font-weight: 600; }
.tabs a.on { background: var(--accent-soft); color: var(--accent); }
.empty { color: var(--muted); padding: 18px; background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); margin: 0; }
.error { color: var(--live); background: color-mix(in srgb, var(--live) 9%, var(--card)); border-radius: 10px; padding: 10px 12px; margin: 10px 0; font-weight: 600; }
.status { margin: 0 0 16px; padding: 10px 12px; border-radius: 10px; background: var(--card); box-shadow: var(--shadow); border-left: 4px solid var(--line); font-size: 14.5px; }
.status.ok { border-left-color: var(--ok); }
.status.warn { border-left-color: var(--warn); }
.status.error { border-left-color: var(--live); font-weight: 600; color: var(--text); background: var(--card); }
footer { color: var(--muted); font-size: 13px; margin-top: 28px; }
pre { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; overflow-x: auto; white-space: pre-wrap; font-size: 13px; }
svg.spark { vertical-align: middle; max-width: 100%; }
svg.spark polyline { fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linejoin: round; }
svg.spark.wide { width: 100%; height: 64px; display: block; }
.pad { padding: 12px; background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); }

/* ---------- stat tiles ---------- */
.tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 12px 0 6px; }
.tile { background: var(--card); border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow); min-width: 0; }
.tile .k { display: block; font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.tile .v { font-size: 24px; font-weight: 700; letter-spacing: -.02em; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }

/* ---------- room cards (home) ---------- */
.rooms { display: grid; gap: 10px; }
.room { position: relative; background: var(--card); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); }
.room-head { display: flex; align-items: center; gap: 12px; }
.room-name { min-width: 0; flex: 1; display: flex; flex-direction: column; }
.room-name a.cover { color: var(--text); font-weight: 700; font-size: 16.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.room-name a.cover::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); }
.room-name small { color: var(--muted); font-size: 13px; }
.room a.ext, .room .badge { position: relative; z-index: 1; }
.room dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 12px 0 0; }
.room dt { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.room dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; font-size: 14.5px; }
.room:active { transform: scale(.995); }

/* ---------- forms ---------- */
label { font-size: 13.5px; font-weight: 600; color: var(--muted); }
input[type=text], input[type=password], input[type=date], select {
  width: 100%; min-height: 44px; padding: 9px 12px; margin-top: 4px; display: block;
  border: 1px solid var(--line); border-radius: 10px; background: var(--field); color: var(--text); font: inherit; font-size: 16px;
}
input:focus-visible, select:focus-visible, button:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
input[type=checkbox], input[type=radio] { width: 18px; height: 18px; accent-color: var(--accent); vertical-align: -3px; margin: 0 4px 0 0; }
button {
  min-height: 44px; padding: 9px 16px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--card); color: var(--text); font: inherit; font-weight: 600; cursor: pointer;
}
button:active { transform: scale(.98); }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
form.inline { display: inline; }
form.add, form.stack, form.row { display: grid; gap: 12px; }
form.add { background: var(--card); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); }
form.card { background: var(--card); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); }
form.add > label, form.stack > label { display: block; }
form.add > a { font-size: 14px; }
fieldset { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin: 0; display: grid; gap: 10px; min-width: 0; }
legend { font-size: 13px; font-weight: 600; color: var(--muted); padding: 0 6px; }
label.tick { color: var(--text); font-weight: 500; font-size: 15px; display: flex; align-items: center; min-height: 32px; }
.toggle { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; font-size: 13.5px; font-weight: 600; color: var(--muted); }
.toggle label { display: inline-flex; align-items: center; min-height: 40px; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--text); background: var(--field); }
.toggle label:has(input:checked) { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.toggle input { position: absolute; opacity: 0; pointer-events: none; }
code.secret { font-size: 17px; padding: 4px 8px; user-select: all; display: inline-block; margin: 4px 0; }

/* filters fold away on phones once there are results */
details.filters { margin: 10px 0 4px; }
details.filters > summary {
  list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 14px;
  border-radius: 10px; border: 1px solid var(--line); background: var(--card); font-weight: 600; box-shadow: var(--shadow);
}
details.filters > summary::-webkit-details-marker { display: none; }
details.filters > summary::after { content: "▾"; color: var(--muted); }
details.filters[open] > summary::after { content: "▴"; }
details.filters[open] > summary { margin-bottom: 10px; }
details:not(.filters) > summary { cursor: pointer; color: var(--accent); font-weight: 600; min-height: 36px; display: flex; align-items: center; }
details:not(.filters) form { margin: 12px 0; }

/* ---------- tables: cards on phones, real tables on wide screens ---------- */
.scroll { margin: 0; }
table { width: 100%; border-collapse: collapse; }
thead { display: none; }
tbody, tr, td { display: block; }
tr {
  position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 14px;
  background: var(--card); border-radius: var(--radius); padding: 12px 14px; margin-bottom: 10px; box-shadow: var(--shadow);
}
td { min-width: 0; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
td[data-label]::before {
  content: attr(data-label); display: block; font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .04em; color: var(--muted);
}
td.lead { grid-column: 1 / -1; font-size: 16px; font-weight: 600; padding-right: 44px; }
td.wide, td:not([data-label]) { grid-column: 1 / -1; }
td.rank { position: absolute; top: 12px; right: 14px; color: var(--muted); font-weight: 700; font-size: 14px; }
td.rank::before { content: "#"; }
td:empty { display: none; }

/* ---------- sign in ---------- */
body.signed-out { min-height: 100dvh; display: grid; place-items: center; padding: 20px;
  background: radial-gradient(1200px 500px at 50% -10%, var(--accent-soft), transparent 70%), var(--bg); }
body.signed-out main { width: 100%; max-width: 400px; padding: 0; }
.login { background: var(--card); border-radius: 20px; padding: 28px 22px; box-shadow: 0 10px 40px rgba(16, 24, 40, .10); }
.login .mark { display: flex; flex-direction: column; align-items: center; gap: 10px; margin-bottom: 20px; text-align: center; }
.login .mark svg { width: 56px; height: 56px; border-radius: 15px; }
.login .mark p { margin: 0; color: var(--muted); font-size: 14.5px; }
.login form { display: grid; gap: 14px; }
.login .pw { position: relative; }
.login .pw input { padding-right: 68px; }
.login .pw button { position: absolute; right: 5px; bottom: 5px; min-height: 34px; padding: 0 10px; border: 0; background: transparent; color: var(--accent); font-size: 13.5px; }
.login button.primary { width: 100%; min-height: 48px; font-size: 16px; margin-top: 4px; }
.login .sub { text-align: center; margin: 16px 0 0; font-size: 13.5px; }
.login form.quiet { display: block; text-align: center; margin-top: 10px; }
.login .langs { display: flex; justify-content: center; gap: 6px; margin: 18px 0 0; font-size: 13.5px; }
.login .langs a { padding: 5px 12px; border-radius: 999px; color: var(--muted); font-weight: 600; }
.login .langs a.on { background: var(--accent-soft); color: var(--accent); }
.login form.quiet button { border: 0; background: none; color: var(--muted); min-height: 36px; font-weight: 500; font-size: 13.5px; }

/* ---------- account / more ---------- */
.menu { display: grid; gap: 8px; margin: 10px 0; padding: 0; list-style: none; }
.menu a, .menu button {
  display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 50px; padding: 0 14px;
  background: var(--card); border: 0; border-radius: var(--radius); box-shadow: var(--shadow); color: var(--text); font: inherit; font-weight: 600; text-align: left;
}
.menu a::after { content: "›"; color: var(--muted); font-size: 20px; }
.menu a:hover { text-decoration: none; }
.menu button { color: var(--live); cursor: pointer; }

/* ---------- other languages ---------- */
/* Thai stacks vowel and tone marks above and below the line: give them room, and no letter-spacing */
:lang(th) *, :lang(th) *::before { letter-spacing: 0 !important; }
:lang(th) h1 { line-height: 1.4; }
:lang(th) .tab { line-height: 1.5; }

/* ---------- wide screens ---------- */
@media (min-width: 620px) {
  .tiles { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
  .rooms { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
  form.add { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); align-items: end; }
  form.add > .toggle, form.add > fieldset { grid-column: 1 / -1; }
  form.row { grid-template-columns: minmax(200px, 320px) auto; align-items: end; justify-content: start; }
}
@media (min-width: 900px) {
  body.signed-in { padding-bottom: 0; }
  .tabbar { display: none; }
  main { padding: 24px 20px 56px; }
  h1 { font-size: 26px; }
  .appbar { padding: 10px 20px; }
  .appbar .links { display: flex; gap: 4px; margin-left: 12px; }
  .appbar .links a { padding: 7px 12px; border-radius: 9px; color: var(--muted); font-weight: 600; font-size: 14.5px; }
  .appbar .links a:hover { background: var(--field); color: var(--text); text-decoration: none; }
  .appbar .links a.on { background: var(--accent-soft); color: var(--accent); }
  .appbar .signout { display: inline; }
  .appbar .signout button { min-height: 34px; padding: 0 12px; font-size: 13.5px; }
  form.stack { max-width: 520px; }

  .scroll { overflow-x: auto; background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); }
  thead { display: table-header-group; }
  tbody { display: table-row-group; }
  tr { display: table-row; background: none; border-radius: 0; padding: 0; margin: 0; box-shadow: none; }
  td, th { display: table-cell; padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
  th { font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 700; background: var(--field); }
  tr:last-child td { border-bottom: 0; }
  tbody tr:hover { background: color-mix(in srgb, var(--accent-soft) 45%, transparent); }
  td.n, th.n { text-align: right; }
  td.wrap { white-space: normal; overflow-wrap: normal; }
  td[data-label]::before, td.rank::before { content: none; display: none; }
  td.lead { font-size: inherit; font-weight: 500; padding-right: 14px; }
  td.rank { position: static; font-weight: 500; font-size: inherit; display: table-cell; }
  td:empty { display: table-cell; }
  details.filters > summary { display: none; }
}