:root {
  --bg: #11131a;
  --panel: #191c26;
  --panel-2: #212633;
  --line: #2e3444;
  --ink: #e8eaf0;
  --muted: #939ab0;
  --accent: #d8a657;
  --accent-ink: #21170a;
  --ok: #7cc38a;
  --err: #e2716e;
  --warn: #e3b341;
  --radius: 12px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.6 "Noto Serif SC", "Songti SC", "Source Han Serif SC", ui-serif, Georgia, serif;
}

body { min-height: 100vh; }

code, .code, .mono { font-family: "SFMono-Regular", Menlo, Consolas, monospace; }

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.err { color: var(--err); }
.warn { color: var(--warn); }

/* ───────────── topbar ───────────── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(17,19,26,.92);
  backdrop-filter: blur(8px); z-index: 20;
}
.brand { font-size: 18px; letter-spacing: .04em; }
.brand-en { color: var(--muted); font-size: 12px; letter-spacing: .18em; margin-left: 6px; }
.topbar-right { display: flex; gap: 8px; align-items: center; }

.chip {
  font-size: 12px; padding: 3px 10px; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--line); color: var(--muted);
  font-family: "SFMono-Regular", Menlo, monospace; letter-spacing: .06em;
}
.chip-warn { color: var(--warn); border-color: #4a3d1a; }

/* ───────────── layout ───────────── */
.view { max-width: 1120px; margin: 0 auto; padding: 24px 16px 64px; }
.grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 18px; align-items: start; }
@media (max-width: 900px) { .grid { grid-template-columns: minmax(0, 1fr); } }

.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px;
}
.card + .card { margin-top: 18px; }
.card h1 { font-size: 22px; margin: 0 0 12px; }
.card h2 { font-size: 16px; margin: 0 0 14px; display: flex; align-items: center; gap: 10px; }
.card h3 { font-size: 15px; margin: 0 0 8px; }

.intro { max-width: 480px; margin: 6vh auto 0; }
.divider { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 12px; margin: 16px 0; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* ───────────── forms ───────────── */
.field { display: block; margin: 14px 0; }
.field > span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field em { font-style: normal; color: var(--ink); }

input[type=text], input:not([type]), input[type=search], select, textarea {
  width: 100%; padding: 9px 11px; background: var(--panel-2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px; font: inherit; font-size: 15px;
}
textarea { resize: vertical; font-family: "SFMono-Regular", Menlo, monospace; font-size: 13px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
input[type=range] { width: 100%; accent-color: var(--accent); }

.dual { display: grid; grid-template-columns: 1fr auto 1fr; gap: 8px; align-items: center; }
.dual > span { color: var(--muted); font-size: 12px; }

.inline { display: flex; align-items: center; gap: 8px; margin: 10px 0; font-size: 14px; }
.inline input { width: auto; }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 12px; }

button {
  font: inherit; padding: 9px 18px; border-radius: 8px; cursor: pointer;
  background: var(--panel-2); color: var(--ink); border: 1px solid var(--line);
  transition: background .12s, border-color .12s;
}
button:hover:not(:disabled) { background: #2a3040; }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
button.primary:hover:not(:disabled) { background: #e8b969; }
button.ghost { background: transparent; }
button.tiny { padding: 4px 10px; font-size: 12px; }

details { border-top: 1px solid var(--line); margin-top: 16px; padding-top: 8px; }
details > summary { cursor: pointer; font-size: 14px; color: var(--muted); padding: 6px 0; }
details[open] > summary { color: var(--ink); }

.subhead { font-size: 13px; color: var(--muted); margin: 4px 0 8px; }

/* ───────────── packs ───────────── */
.packs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
@media (max-width: 620px) { .packs { grid-template-columns: 1fr; } }
.pack {
  text-align: left; padding: 10px 12px; border-radius: 10px; line-height: 1.4;
  border: 1px solid var(--line); background: var(--panel-2);
}
.pack.on { border-color: var(--accent); background: #2c2517; }
.pack b { display: block; font-size: 14px; }
.pack span { display: block; font-size: 12px; color: var(--muted); margin-top: 3px; }

.modes { margin-top: 12px; }
.mode-btn { width: 100%; text-align: left; }
.mode-btn.disabled { color: var(--muted); }
.badge {
  font-size: 11px; padding: 2px 7px; border-radius: 999px; margin-left: 8px;
  background: #3a3020; color: var(--warn); border: 1px solid #4a3d1a;
}

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  padding: 4px 11px; font-size: 12px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--panel-2); color: var(--muted);
  font-family: "SFMono-Regular", Menlo, monospace;
}
.tag.on { border-color: var(--accent); color: var(--accent); background: #2c2517; }

.preview { font-size: 13px; color: var(--muted); margin-top: 14px; }
.lookup { margin-top: 10px; font-size: 13px; line-height: 1.7; }
.lookup .bad { color: var(--err); font-family: "SFMono-Regular", Menlo, monospace; }

/* ───────────── players ───────────── */
.players { display: flex; flex-direction: column; gap: 6px; }
.player {
  display: flex; align-items: center; gap: 8px; padding: 7px 10px;
  border-radius: 8px; background: var(--panel-2); font-size: 14px;
}
.player.off { opacity: .45; }
.player .nm { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.player .sc { font-family: "SFMono-Regular", Menlo, monospace; color: var(--accent); }
.player .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); flex: none; }
.player.off .dot { background: var(--muted); }
.player .mark { font-size: 11px; color: var(--muted); }
.player .crown { font-size: 12px; }
.player button { padding: 2px 8px; font-size: 11px; }

/* ───────────── stage ───────────── */
.stage-head { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.timer {
  margin-left: auto; font-family: "SFMono-Regular", Menlo, monospace;
  font-size: 22px; color: var(--accent); font-variant-numeric: tabular-nums;
}
.timer.urgent { color: var(--err); }

.skeleton {
  background: #0d0f15; border: 1px solid var(--line); border-left: 3px solid var(--accent);
  border-radius: 10px; padding: 20px 22px; margin-bottom: 18px;
}
.skeleton .hw { font-size: 30px; letter-spacing: .01em; font-family: Georgia, "Times New Roman", serif; }
.skeleton .ph { color: var(--muted); font-family: "SFMono-Regular", Menlo, monospace; font-size: 14px; margin-top: 2px; }
.skeleton .body { margin-top: 14px; font-size: 18px; display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; }
.skeleton .pos { color: var(--accent); font-style: italic; font-family: Georgia, serif; }
.skeleton .dom { font-size: 12px; color: var(--muted); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; }
.skeleton .gap { color: #55607a; letter-spacing: 3px; }
.skeleton .gaphint { font-size: 12px; color: var(--muted); }
.skeleton .real { color: var(--ok); }

.blanks { display: flex; flex-direction: column; gap: 12px; }
.blank > label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.blank .count { float: right; font-family: "SFMono-Regular", Menlo, monospace; }
.blank .count.bad { color: var(--err); }
.blank .count.good { color: var(--ok); }

/* ───────────── options ───────────── */
.options { display: flex; flex-direction: column; gap: 8px; }
.option {
  display: flex; gap: 12px; align-items: flex-start; text-align: left; width: 100%;
  padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--panel-2); font-size: 16px; line-height: 1.5;
}
.option:disabled { opacity: 1; }
.option .idx { color: var(--muted); font-family: "SFMono-Regular", Menlo, monospace; flex: none; }
.option .txt { flex: 1; min-width: 0; }
.option.on { border-color: var(--accent); background: #2c2517; }
.option.mine { opacity: .55; }
.option.truth { border-color: var(--ok); background: #1a2a1e; }
.option .meta { display: block; font-size: 12px; color: var(--muted); margin-top: 6px; }
.option .plus { color: var(--accent); font-family: "SFMono-Regular", Menlo, monospace; }

.ranking { padding-left: 22px; font-size: 16px; }
.ranking li { margin: 6px 0; }
.ranking .sc { color: var(--accent); font-family: "SFMono-Regular", Menlo, monospace; }
.ranking .win { color: var(--accent); font-weight: 700; }

/* ───────────── chat ───────────── */
.side h2 { margin-top: 18px; }
.side h2:first-child { margin-top: 0; }
.chatlog {
  height: 190px; overflow-y: auto; background: var(--panel-2); border-radius: 8px;
  padding: 8px 10px; font-size: 13px; display: flex; flex-direction: column; gap: 4px;
}
.chatlog .who { color: var(--accent); }
.chatlog .sys { color: var(--muted); font-style: italic; }
.chatform { display: flex; gap: 6px; margin-top: 8px; }
.chatform input { flex: 1; }

/* ───────────── toast ───────────── */
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--accent); color: var(--ink);
  padding: 10px 18px; border-radius: 999px; font-size: 14px; z-index: 50;
  box-shadow: 0 6px 24px rgba(0,0,0,.4);
}