/* debate-arena — non-AI aesthetic
 * Recipe: 和風 (washi / Japanese print) with two-actor color split.
 * Tokens, paper grain, double border, 印 stamp, 茜 / 藍 side pair.
 */

:root {
  --bg:         #f4ece1;   /* 生成り */
  --paper:      #faf5e9;   /* card surface */
  --bg-2:       #ede3d3;   /* alt */
  --ink:        #2a2520;   /* 墨色 */
  --ink-soft:   #5a5247;
  --ink-mute:   #8a8175;
  --line:       #c9bca5;   /* 焦げ茶 1px */
  --line-soft:  #ddd0bb;
  --accent:     #8a3324;   /* 朱色 */
  --accent-soft:#b8593e;
  --gold:       #b08a3e;

  --side-a:     #d97757;   /* 茜色 */
  --side-b:     #4a6b8a;   /* 藍色 */
  --side-a-bg:  #f5e3d6;
  --side-b-bg:  #e1e8f0;
  --side-a-deep:#9a4a30;
  --side-b-deep:#2e4860;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Klee One", "Hiragino Sans", "Yu Gothic", sans-serif;
  font-weight: 400;
  color: var(--ink);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse at 20% 8%,  #f7efe2 0%, transparent 55%),
    radial-gradient(ellipse at 80% 92%, #ede1cc 0%, transparent 55%);
  min-height: 100vh;
  overflow-x: hidden;
}
h1, h2, h3 {
  font-family: "Shippori Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 700;
  margin: 0;
}
button { font: inherit; color: inherit; cursor: pointer; }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* paper texture overlay */
.paper-grain {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.4 0 0 0 0 0.35 0 0 0 0 0.25 0 0 0 0.18 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
#app { position: relative; z-index: 1; }

/* screen system */
.screen { min-height: 100vh; padding: 24px 16px 60px; display: flex; justify-content: center; align-items: flex-start; }
.screen.hidden { display: none; }
@media (min-width: 720px) { .screen { padding: 56px 24px 80px; } }

/* generic card (title, coin, judge) */
.card {
  width: 100%;
  max-width: 560px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 36px 32px 32px;
  position: relative;
  box-shadow:
    inset 0 0 0 6px var(--paper),
    inset 0 0 0 7px var(--line-soft);
}
.card::after {
  content: "";
  position: absolute; left: 14px; top: 14px; right: 14px; bottom: 14px;
  border: 1px solid var(--line-soft);
  pointer-events: none;
}
.kicker {
  font-family: "Klee One", serif;
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--ink-mute);
  text-transform: none;
  margin-bottom: 14px;
}
.footnote {
  font-size: 12px;
  color: var(--ink-mute);
  text-align: center;
  margin: 18px 0 0;
  font-style: italic;
}

/* title screen */
.title-card { text-align: center; padding-top: 56px; }
.title {
  font-size: 38px;
  letter-spacing: 0.1em;
  position: relative;
  display: inline-block;
  margin: 4px 0 18px;
}
.stamp {
  display: inline-block;
  position: absolute;
  top: -10px; right: -36px;
  width: 32px; height: 32px;
  border: 2px solid var(--accent);
  color: var(--accent);
  font-family: "Shippori Mincho", serif;
  font-size: 18px;
  line-height: 28px;
  text-align: center;
  background: rgba(255,255,255,0.3);
  transform: rotate(-6deg);
}
.lede {
  font-family: "Shippori Mincho", serif;
  font-size: 15px;
  line-height: 2;
  color: var(--ink-soft);
  margin: 0 auto 28px;
  max-width: 360px;
}
.match-length { margin: 0 auto 24px; max-width: 320px; }
.match-length__label {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--ink-mute);
  margin-bottom: 10px;
}
.match-length__options {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  background: var(--paper);
}
.opt {
  background: transparent;
  border: none;
  padding: 12px 0;
  font-family: "Shippori Mincho", serif;
  font-size: 14px;
  color: var(--ink-soft);
  border-right: 1px solid var(--line-soft);
  transition: background 0.15s ease;
}
.opt:last-child { border-right: none; }
.opt:hover { background: var(--bg-2); }
.opt.is-active {
  background: var(--ink);
  color: var(--paper);
}
.cta {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 2px;
  padding: 14px 36px;
  font-family: "Shippori Mincho", serif;
  font-size: 15px;
  letter-spacing: 0.2em;
  margin-top: 8px;
  transition: background 0.15s ease, color 0.15s ease;
}
.cta:hover { background: var(--accent); border-color: var(--accent); }
.cta--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.cta--ghost:hover { background: var(--ink); color: var(--paper); }

/* coin screen */
.coin-card { text-align: center; padding-top: 40px; }
.coin-title { font-size: 24px; margin: 0 0 28px; letter-spacing: 0.2em; }
.coin-stage {
  perspective: 800px;
  width: 200px; height: 200px;
  margin: 8px auto 24px;
  position: relative;
}
.coin {
  width: 100%; height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 2.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  transform: rotateY(0deg);
}
.coin.is-flipping { animation: coin-tumble 2.4s linear forwards; }
@keyframes coin-tumble {
  0%   { transform: rotateY(0deg)   rotateX(0deg); }
  20%  { transform: rotateY(540deg) rotateX(20deg); }
  50%  { transform: rotateY(1080deg) rotateX(-10deg); }
  80%  { transform: rotateY(1620deg) rotateX(8deg); }
  100% { transform: rotateY(2160deg) rotateX(0deg); }
}
.coin-face {
  position: absolute; inset: 0;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  backface-visibility: hidden;
  background:
    radial-gradient(circle at 35% 30%, #f0d790 0%, #d4a849 55%, #8b6a1f 100%);
  border: 3px double #6b4f12;
  box-shadow:
    inset 0 0 0 8px rgba(255, 245, 200, 0.18),
    inset 0 0 0 9px #6b4f12,
    0 8px 18px rgba(60, 40, 10, 0.18);
}
.coin-face--back { transform: rotateY(180deg); }
.coin-kanji {
  font-family: "Shippori Mincho", serif;
  font-weight: 700;
  font-size: 64px;
  color: #3a2a0a;
  text-shadow: 0 1px 0 rgba(255,255,255,0.3);
  letter-spacing: 0.05em;
}
.coin-rim {
  position: absolute; inset: 8px;
  border: 1px dashed rgba(60, 40, 10, 0.45);
  border-radius: 50%;
  pointer-events: none;
}
.coin-status {
  font-family: "Shippori Mincho", serif;
  font-size: 16px;
  color: var(--ink);
  margin: 0 0 8px;
  letter-spacing: 0.05em;
}

/* match screen */
[data-screen="match"] {
  display: block;
  padding: 0;
  min-height: 100vh;
}
.match-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 18px 18px 14px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
}
@media (min-width: 720px) {
  .match-bar { grid-template-columns: 1.2fr 2fr; align-items: center; padding: 18px 32px 14px; }
}
.topic-label {
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--ink-mute);
  margin-bottom: 4px;
}
.topic-text {
  font-family: "Shippori Mincho", serif;
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
  line-height: 1.5;
}
.match-bar__meta {
  display: flex; align-items: center; gap: 18px;
  flex-wrap: wrap;
}
.turn-pill {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px 6px 6px;
  background: var(--paper);
}
.turn-pill__avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--side-a);
  color: var(--paper);
  font-family: "Shippori Mincho", serif;
  font-weight: 700;
  font-size: 14px;
  transition: background 0.2s ease;
}
.turn-pill__avatar.is-b { background: var(--side-b); }
.turn-pill__name {
  font-size: 13px;
  color: var(--ink-soft);
}
.turn-pill__stance {
  font-size: 12px;
  color: var(--ink-mute);
  font-family: "Shippori Mincho", serif;
}
.turn-timer {
  display: inline-flex; align-items: center; gap: 8px;
  min-width: 130px;
}
.turn-timer-num {
  font-family: "Shippori Mincho", serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  min-width: 32px;
  text-align: right;
}
.turn-timer-num.is-low { color: var(--accent); }
.turn-timer-num.is-zero { color: var(--ink-mute); }
.turn-timer-bar {
  width: 80px; height: 4px;
  background: var(--line-soft);
  border-radius: 2px;
  overflow: hidden;
}
.turn-timer-fill {
  height: 100%; width: 100%;
  background: var(--accent);
  transition: width 0.25s linear, background 0.2s ease;
}
.turn-timer-fill.is-low { background: var(--accent-soft); }
.turn-timer-fill.is-zero { background: var(--ink-mute); }
.match-timer {
  margin-left: auto;
  text-align: right;
  border-left: 1px solid var(--line-soft);
  padding-left: 16px;
}
.match-timer-label {
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--ink-mute);
}
.match-timer-num {
  font-family: "Shippori Mincho", serif;
  font-size: 22px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.match-timer-num.is-low { color: var(--accent); }

/* stance strip (A vs B banner) */
.stance-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}
.stance {
  padding: 12px 18px;
  display: flex; align-items: center; gap: 12px;
  font-family: "Shippori Mincho", serif;
}
.stance--a { background: var(--side-a-bg); border-right: 1px solid var(--line-soft); }
.stance--b { background: var(--side-b-bg); }
.stance__letter {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--paper);
  font-weight: 700;
  font-size: 14px;
  background: var(--side-a);
}
.stance--b .stance__letter { background: var(--side-b); }
.stance__label {
  font-size: 13px;
  color: var(--ink);
  font-weight: 500;
}

/* chat area */
.chat {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 16px 140px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.bubble {
  max-width: 78%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14.5px;
  line-height: 1.7;
  word-break: break-word;
  position: relative;
  border: 1px solid transparent;
}
.bubble--a {
  align-self: flex-start;
  background: var(--side-a-bg);
  color: var(--ink);
  border-bottom-left-radius: 4px;
  border-color: rgba(154, 74, 48, 0.15);
}
.bubble--b {
  align-self: flex-end;
  background: var(--side-b-bg);
  color: var(--ink);
  border-bottom-right-radius: 4px;
  border-color: rgba(46, 72, 96, 0.15);
}
.bubble--system {
  align-self: center;
  background: transparent;
  border: 1px dashed var(--line);
  color: var(--ink-mute);
  font-size: 12px;
  padding: 6px 12px;
  font-family: "Klee One", serif;
  border-radius: 999px;
}
.bubble--skip {
  font-style: italic;
  color: var(--ink-mute);
}
.bubble__meta {
  display: block;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  margin-top: 4px;
  font-family: "Klee One", serif;
}
.bubble--a .bubble__meta { color: var(--side-a-deep); }
.bubble--b .bubble__meta { color: var(--side-b-deep); }

/* composer */
.composer {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--paper);
  border-top: 1px solid var(--line);
  padding: 12px 14px 18px;
  display: flex; align-items: center; gap: 10px;
  z-index: 6;
  max-width: 720px;
  margin: 0 auto;
}
.composer__avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--side-a);
  color: var(--paper);
  font-family: "Shippori Mincho", serif;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
  transition: background 0.2s ease;
}
.composer__avatar.is-b { background: var(--side-b); }
.composer__input {
  flex: 1;
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: 999px;
  padding: 10px 16px;
  font: inherit;
  font-size: 14.5px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.composer__input:focus { border-color: var(--ink); background: var(--paper); }
.composer__input:disabled { background: var(--bg-2); color: var(--ink-mute); }
.composer__send {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  border-radius: 999px;
  padding: 9px 18px;
  font-family: "Shippori Mincho", serif;
  font-size: 13px;
  letter-spacing: 0.1em;
  transition: background 0.15s ease, color 0.15s ease;
}
.composer__send:hover { background: var(--accent); border-color: var(--accent); }
.composer__send:disabled { background: var(--line); border-color: var(--line); color: var(--ink-mute); cursor: not-allowed; }
.composer.is-locked .composer__send { background: var(--line); border-color: var(--line); color: var(--ink-mute); cursor: not-allowed; }

/* judge screen */
.judge-card { padding-top: 44px; }
.judge-title { text-align: center; font-size: 28px; margin: 0 0 24px; letter-spacing: 0.15em; }
.judge-title.is-draw { color: var(--ink-mute); }
.judge-title.is-a { color: var(--side-a-deep); }
.judge-title.is-b { color: var(--side-b-deep); }
.score-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
  align-items: stretch;
  margin: 18px 0 22px;
}
.score-box {
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 18px 14px 16px;
  text-align: center;
  background: var(--paper);
}
.score-box--a { background: var(--side-a-bg); }
.score-box--b { background: var(--side-b-bg); }
.score-box__side {
  font-family: "Shippori Mincho", serif;
  font-size: 14px;
  color: var(--ink-soft);
  letter-spacing: 0.2em;
}
.score-box__num {
  font-family: "Shippori Mincho", serif;
  font-size: 44px;
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  margin: 4px 0 8px;
  line-height: 1.1;
}
.score-box__bar {
  height: 4px;
  background: rgba(0,0,0,0.08);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto 8px;
  max-width: 120px;
}
.score-box__fill {
  height: 100%;
  background: var(--side-a-deep);
  width: 0%;
  transition: width 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.score-box--b .score-box__fill { background: var(--side-b-deep); }
.score-box__stance {
  font-size: 12px;
  color: var(--ink-soft);
  font-family: "Shippori Mincho", serif;
}
.score-vs {
  display: flex; align-items: center; justify-content: center;
  font-family: "Shippori Mincho", serif;
  font-size: 22px;
  color: var(--ink-mute);
  padding: 0 4px;
}
.judge-summary {
  font-family: "Shippori Mincho", serif;
  font-size: 15px;
  color: var(--ink);
  line-height: 1.9;
  text-align: center;
  margin: 0 0 22px;
}
.highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 18px;
}
.highlights__label {
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--ink-mute);
  margin-bottom: 8px;
}
.highlights__list {
  list-style: none;
  margin: 0; padding: 0;
}
.highlights__list li {
  font-size: 13px;
  color: var(--ink-soft);
  font-family: "Shippori Mincho", serif;
  line-height: 1.7;
  border-left: 2px solid var(--line);
  padding: 4px 0 4px 10px;
  margin-bottom: 6px;
}
.highlights__col:nth-child(1) .highlights__list li { border-left-color: var(--side-a); }
.highlights__col:nth-child(2) .highlights__list li { border-left-color: var(--side-b); }
.judge-by {
  font-size: 11px;
  color: var(--ink-mute);
  text-align: center;
  font-style: italic;
  margin: 8px 0 22px;
}
.judge-actions { text-align: center; }

/* utility */
.hidden { display: none !important; }
@media (max-width: 540px) {
  .title { font-size: 30px; }
  .stamp { right: -28px; width: 28px; height: 28px; font-size: 16px; line-height: 24px; }
  .match-bar__meta { gap: 12px; }
  .turn-timer-bar { width: 60px; }
  .match-timer { padding-left: 12px; }
  .score-row { grid-template-columns: 1fr; }
  .score-vs { padding: 4px 0; }
}

/* ============================== JOIN ============================== */
.join-title {
  text-align: center;
  font-size: 22px;
  margin: 0 0 24px;
  letter-spacing: 0.2em;
}
.join-code {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-family: "Shippori Mincho", serif;
  font-size: 22px;
  text-align: center;
}
.form-row {
  margin: 0 auto 18px;
  max-width: 360px;
}
.form-row__label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--ink-mute);
  margin-bottom: 6px;
  text-align: left;
}
.form-row__input {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: 2px;
  padding: 10px 14px;
  font: inherit;
  font-size: 14.5px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.form-row__input:focus { border-color: var(--ink); background: var(--paper); }
.cta-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  margin-top: 8px;
}
.cta--small {
  padding: 10px 22px;
  font-size: 13px;
  letter-spacing: 0.15em;
  margin-top: 0;
}

/* ============================== WAITING ============================== */
.waiting-card { padding-top: 44px; }
.waiting-title {
  text-align: center;
  font-size: 22px;
  margin: 0 0 18px;
  letter-spacing: 0.15em;
}
.waiting-roomid {
  font-family: "Shippori Mincho", serif;
  font-size: 38px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-align: center;
  color: var(--accent);
  margin: 8px 0 4px;
}
.waiting-desc {
  text-align: center;
  font-size: 12.5px;
  color: var(--ink-soft);
  margin: 0 0 18px;
  font-family: "Klee One", serif;
}
.waiting-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 22px;
}
.waiting-seats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 8px 0 18px;
}
.seat {
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 16px 12px;
  text-align: center;
  background: var(--paper);
  position: relative;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.seat--a { background: var(--side-a-bg); }
.seat--b { background: var(--side-b-bg); }
.seat.is-you { border-color: var(--accent); border-width: 2px; }
.seat__letter {
  font-family: "Shippori Mincho", serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
}
.seat--a .seat__letter { color: var(--side-a-deep); }
.seat--b .seat__letter { color: var(--side-b-deep); }
.seat__name {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 4px 0;
  font-family: "Klee One", serif;
}
.seat__stance {
  font-size: 11px;
  color: var(--ink-mute);
  font-family: "Shippori Mincho", serif;
  letter-spacing: 0.05em;
}
.waiting-theme {
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
  margin-top: 8px;
}
.waiting-theme__label {
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--ink-mute);
  text-align: center;
  margin-bottom: 6px;
}
.waiting-theme__text {
  font-family: "Shippori Mincho", serif;
  font-size: 16px;
  color: var(--ink);
  text-align: center;
  line-height: 1.6;
}

/* ============================== DISCONNECTED ============================== */
.disconnect-msg {
  font-family: "Shippori Mincho", serif;
  font-size: 15px;
  color: var(--ink);
  line-height: 1.9;
  margin: 8px 0 12px;
  text-align: center;
}

/* ============================== STANCE STRIP NAMES ============================== */
.stance__name {
  font-size: 11px;
  color: var(--ink-mute);
  font-family: "Klee One", serif;
  margin-left: auto;
}

/* ============================== utility ============================== */
@media (max-width: 540px) {
  .waiting-roomid { font-size: 32px; }
  .waiting-seats { grid-template-columns: 1fr; }
  .waiting-actions { flex-direction: column; }
}


/* ============================== FORM SEPARATOR ============================== */
.form-sep {
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--ink-mute);
  margin: 4px 0 2px;
  position: relative;
}
.form-sep::before, .form-sep::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 36%;
  height: 1px;
  background: var(--line-soft);
}
.form-sep::before { left: 0; }
.form-sep::after  { right: 0; }


/* ============================== BUBBLE AVATAR ============================== */
.bubble--a, .bubble--b {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.bubble--a { flex-direction: row; }
.bubble--b { flex-direction: row-reverse; }
.bubble__avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: "Shippori Mincho", serif;
  font-weight: 700;
  font-size: 13px;
  color: var(--paper);
  margin-top: 2px;
}
.bubble--a .bubble__avatar { background: var(--side-a); }
.bubble--b .bubble__avatar { background: var(--side-b); }
.bubble__body {
  display: flex;
  flex-direction: column;
}
.bubble__text {
  display: block;
}

/* ============================== MATCHED OVERLAY ============================== */
.matched-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(42, 37, 32, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
}
.matched-overlay.hidden { display: none !important; }
.matched-overlay__inner {
  text-align: center;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.matched-overlay.is-animating .matched-overlay__inner {
  opacity: 1;
  transform: scale(1);
}
.matched-overlay.is-fading {
  opacity: 0;
  transition: opacity 0.4s ease;
}
.matched-overlay__kanji {
  font-family: "Shippori Mincho", serif;
  font-size: 72px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.2em;
  margin-bottom: 12px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.matched-overlay__opponent {
  font-family: "Shippori Mincho", serif;
  font-size: 20px;
  color: var(--paper);
  letter-spacing: 0.2em;
  margin-top: 8px;
  opacity: 0.85;
}
.matched-overlay__text {
  font-family: "Shippori Mincho", serif;
  font-size: 18px;
  color: var(--paper);
  letter-spacing: 0.15em;
}

/* ============================== CANCEL BUTTON ============================== */
.waiting-cancel-btn {
  border-color: var(--ink-mute) !important;
  color: var(--ink-mute) !important;
}
.waiting-roomid--hidden {
  visibility: hidden;
  height: 0;
  margin: 0;
  overflow: hidden;
}
.waiting-cancel-btn:hover {
  border-color: var(--accent) !important;
  color: var(--accent) !important;
}


/* ============================== THEME REVEAL ============================== */
.reveal-card {
  text-align: center;
  padding-top: 48px;
}
.reveal-topic {
  font-family: "Shippori Mincho", serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.6;
  margin: 0 0 28px;
  letter-spacing: 0.05em;
}
.reveal-sides {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 24px;
}
.reveal-side {
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 18px 14px;
  background: var(--paper);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.reveal-side--a { background: var(--side-a-bg); }
.reveal-side--b { background: var(--side-b-bg); }
.reveal-side.is-you {
  border-color: var(--accent);
  border-width: 2px;
  box-shadow: 0 0 0 3px rgba(138, 51, 36, 0.12);
}
.reveal-side__letter {
  font-family: "Shippori Mincho", serif;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 6px;
}
.reveal-side--a .reveal-side__letter { color: var(--side-a-deep); }
.reveal-side--b .reveal-side__letter { color: var(--side-b-deep); }
.reveal-side__stance {
  font-family: "Shippori Mincho", serif;
  font-size: 15px;
  color: var(--ink);
  line-height: 1.7;
}
.reveal-you {
  font-family: "Shippori Mincho", serif;
  font-size: 18px;
  color: var(--ink);
  letter-spacing: 0.1em;
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
}
.reveal-you--a { color: var(--side-a-deep); }
.reveal-you--b { color: var(--side-b-deep); }


/* ============================== TURN OVERLAY ============================== */
.turn-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(42, 37, 32, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
}
.turn-overlay.hidden { display: none !important; }
.turn-overlay__inner {
  text-align: center;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.turn-overlay.is-animating .turn-overlay__inner {
  opacity: 1;
  transform: scale(1);
}
.turn-overlay.is-fading {
  opacity: 0;
  transition: opacity 0.4s ease;
}
.turn-overlay__kanji {
  font-family: "Shippori Mincho", serif;
  font-size: 64px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.2em;
  margin-bottom: 8px;
}
.turn-overlay__side {
  font-family: "Shippori Mincho", serif;
  font-size: 96px;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.turn-overlay__side--a { color: var(--side-a); }
.turn-overlay__side--b { color: var(--side-b); }

/* ============================== HIDDEN THEME ============================== */
.waiting-theme--hidden {
  color: var(--ink-mute);
  font-style: italic;
}

/* ============================ SITE FOOTER ============================ */
.site-footer {
  margin: 64px auto 0;
  padding: 24px 16px 48px;
  max-width: 720px;
  border-top: 1px solid var(--line);
  font-family: "Klee One", serif;
  font-size: 12px;
  color: var(--ink-mute);
}
.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 16px;
}
.site-footer__brand {
  font-family: "Shippori Mincho", serif;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
}
.site-footer__nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.site-footer__nav a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.site-footer__nav a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.site-footer__sep { color: var(--line); }
.site-footer__copy { color: var(--ink-mute); font-size: 11px; letter-spacing: 0.1em; }