:root {
  --bg: #0f1320;
  --panel: #1a2030;
  --panel-2: #232b3e;
  --line: #313a52;
  --text: #eef2fb;
  --muted: #9aa6c2;
  --accent: #3b82f6;
  --blue: #2f6fed;
  --red: #e23b3b;
  --ok: #2ca24c;
  --gold: #e7b53c;
  --radius: 14px;
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: radial-gradient(1200px 800px at 70% -10%, #1b2440, var(--bg));
  color: var(--text);
  min-height: 100vh;
}

.app { max-width: 920px; margin: 0 auto; padding: 18px 16px 60px; }

h1, h2, h3 { margin: 0 0 8px; }
h1 { font-size: 26px; letter-spacing: 0.06em; }
h2 { font-size: 17px; }
a { color: var(--accent); }

.title-row { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.title-row h1 {
  background: linear-gradient(90deg, var(--blue), #6aa3ff 40%, var(--red));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.title-row .sub { color: var(--muted); font-size: 13px; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.muted { color: var(--muted); font-size: 13px; }

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  padding: 10px 16px;
  font-size: 15px;
  border-radius: 10px;
  cursor: pointer;
  transition: filter 0.15s, transform 0.05s;
}
.btn:hover { filter: brightness(1.12); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: transparent; color: #fff; font-weight: 700; }
.btn.big { width: 100%; padding: 14px; font-size: 17px; }
.btn.small { padding: 6px 10px; font-size: 13px; }

.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.input {
  flex: 1; min-width: 160px;
  background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  padding: 10px 12px; border-radius: 10px; font-size: 15px;
}
.input.num { flex: 0 0 90px; min-width: 70px; }

.rules { margin: 6px 0 0; padding-left: 20px; line-height: 1.7; }
.rules strong { color: #fff; }

.invite { margin-top: 12px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.invite code { background: var(--panel-2); padding: 6px 10px; border-radius: 8px; font-size: 13px; word-break: break-all; }

.opt { display: flex; align-items: center; gap: 8px; margin: 8px 0; font-size: 15px; }
.debug { margin-top: 12px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; padding-top: 12px; border-top: 1px dashed var(--line); }
.debug label { display: flex; gap: 6px; align-items: center; font-size: 13px; color: var(--muted); }

/* scoreboard */
.scoreboard { display: flex; flex-direction: column; gap: 6px; }
.score-row {
  display: grid; grid-template-columns: 14px 1fr auto auto; gap: 10px; align-items: center;
  padding: 8px 10px; background: var(--panel-2); border-radius: 10px; border: 1px solid transparent;
}
.score-row.lead { border-color: var(--gold); box-shadow: 0 0 0 1px rgba(231, 181, 60, 0.3) inset; }
.score-row .dot { width: 14px; height: 14px; border-radius: 50%; }
.score-row .nm { font-size: 15px; }
.score-row .pts { font-size: 18px; font-weight: 700; }
.score-row .pts small { font-size: 11px; color: var(--muted); margin-left: 2px; }
.tag { font-size: 11px; background: var(--accent); color: #fff; border-radius: 6px; padding: 1px 6px; margin-left: 4px; }
.tag.bot { background: #6b7280; }
.tag.off { background: var(--red); }
.chk.done { color: var(--ok); font-size: 13px; }
.chk.wait { color: var(--muted); font-size: 13px; }

/* round bar */
.roundbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.roundbar .round { font-size: 16px; }
.roundbar .round b { font-size: 22px; color: var(--gold); }
.base { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.base-label { font-size: 11px; color: var(--muted); }
.base-card {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 72px; font-size: 36px; font-weight: 800;
  background: #fff; color: #15203a; border-radius: 10px; box-shadow: 0 3px 10px rgba(0,0,0,0.4);
}
.progress { font-size: 14px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.timer { background: var(--panel-2); border: 1px solid var(--line); padding: 3px 9px; border-radius: 999px; color: var(--text); font-weight: 700; }

.rulehint { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; font-size: 12.5px; color: var(--muted); }
.rulehint span { background: var(--panel); border: 1px solid var(--line); border-radius: 999px; padding: 5px 11px; }
.chip-blue { color: #7aa9ff; }
.chip-red { color: #ff8080; }

/* play area */
.submitted-note { color: var(--ok); font-weight: 700; margin-bottom: 12px; }
.chip-toggle { display: flex; gap: 12px; margin-bottom: 16px; }
.chipbtn {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 14px; border-radius: 14px; cursor: pointer; border: 2px solid var(--line);
  background: var(--panel-2); color: var(--text); transition: transform 0.06s, box-shadow 0.15s;
}
.chipbtn .chip-face { font-size: 24px; font-weight: 800; }
.chipbtn .chip-sign { font-size: 12px; color: var(--muted); }
.chipbtn.blue.sel { border-color: var(--blue); background: rgba(47,111,237,0.22); box-shadow: 0 0 0 3px rgba(47,111,237,0.25); }
.chipbtn.red.sel { border-color: var(--red); background: rgba(226,59,59,0.22); box-shadow: 0 0 0 3px rgba(226,59,59,0.25); }
.chipbtn:disabled { cursor: default; }

.hand { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.numcard {
  width: 52px; height: 70px; font-size: 28px; font-weight: 800; cursor: pointer;
  border-radius: 10px; border: 2px solid var(--line); background: #f4f7ff; color: #15203a;
  transition: transform 0.06s, box-shadow 0.12s;
}
.numcard:hover:not(:disabled) { transform: translateY(-3px); }
.numcard.sel { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(231,181,60,0.5); transform: translateY(-5px); }
.numcard:disabled { opacity: 0.5; cursor: default; }

.preview { display: flex; gap: 10px; justify-content: center; margin: 14px 0 4px; flex-wrap: wrap; font-size: 13px; }
.preview span { background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; color: var(--muted); }
.preview span.on { color: var(--text); border-color: var(--accent); }

.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 16px; }

/* reveal */
.mode-banner { text-align: center; font-weight: 700; padding: 10px; border-radius: 10px; margin-bottom: 14px; }
.mode-banner.blue { background: rgba(47,111,237,0.2); border: 1px solid var(--blue); }
.mode-banner.red { background: rgba(226,59,59,0.2); border: 1px solid var(--red); }
.mode-banner.tie { background: rgba(231,181,60,0.18); border: 1px solid var(--gold); }
.reveal-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.reveal-card { border-radius: 12px; padding: 10px; border: 2px solid var(--line); background: var(--panel-2); text-align: center; }
.reveal-card.blue { border-color: rgba(47,111,237,0.6); }
.reveal-card.red { border-color: rgba(226,59,59,0.6); }
.reveal-card.scored { box-shadow: 0 0 0 2px var(--ok) inset; }
.rv-name { font-size: 13px; display: flex; gap: 6px; align-items: center; justify-content: center; margin-bottom: 6px; }
.rv-name .dot { width: 10px; height: 10px; border-radius: 50%; }
.rv-chip { font-size: 13px; font-weight: 700; }
.reveal-card.blue .rv-chip { color: #7aa9ff; }
.reveal-card.red .rv-chip { color: #ff8080; }
.rv-num { font-size: 34px; font-weight: 800; margin: 2px 0; }
.rv-result { font-size: 14px; font-weight: 700; color: var(--muted); }
.reveal-card.scored .rv-result { color: var(--ok); }

/* ended */
.win-card { text-align: center; }
.winner { font-size: 28px; font-weight: 800; color: var(--gold); margin: 8px 0; }
.winner small { display: block; font-size: 14px; color: var(--muted); font-weight: 500; }

/* log */
.log .logline { font-size: 13px; color: var(--muted); padding: 3px 0; border-bottom: 1px solid var(--line); }
.log .logline:last-child { border-bottom: none; }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: #111726; border: 1px solid var(--line); color: var(--text);
  padding: 10px 18px; border-radius: 999px; font-size: 14px; z-index: 50;
  box-shadow: 0 6px 20px rgba(0,0,0,0.45);
}

@media (max-width: 560px) {
  .numcard { width: 44px; height: 60px; font-size: 24px; }
  .base-card { width: 48px; height: 62px; font-size: 30px; }
  .roundbar { gap: 8px; }
}