@import url('https://fonts.googleapis.com/css2?family=Inter:wght@500;700;800;900&display=swap');

:root {
  --ttt-bg: #060612;
  --ttt-panel: rgba(12, 10, 24, 0.82);
  --ttt-panel-2: rgba(19, 17, 35, 0.82);
  --ttt-border: rgba(127, 76, 255, 0.26);
  --ttt-purple: #7a35ff;
  --ttt-purple-2: #a769ff;
  --ttt-blue: #29a8ff;
  --ttt-pink: #ff2e66;
  --ttt-green: #35f29a;
  --ttt-text: #ffffff;
  --ttt-muted: rgba(255, 255, 255, 0.66);
  --ttt-muted-2: rgba(255, 255, 255, 0.46);
  --ttt-shadow: 0 28px 100px rgba(0, 0, 0, 0.42);
  --ttt-cell: clamp(82px, 9vw, 118px);
  --ttt-gap: clamp(10px, 1.35vw, 16px);
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--ttt-bg); }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ttt-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at 12% 8%, rgba(122, 53, 255, 0.28), transparent 32%),
    radial-gradient(circle at 88% 16%, rgba(41, 168, 255, 0.18), transparent 30%),
    radial-gradient(circle at 78% 92%, rgba(255, 46, 102, 0.13), transparent 34%),
    linear-gradient(135deg, #070510 0%, #090716 45%, #03111d 100%);
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(circle at center, black, transparent 76%);
  opacity: .55;
  z-index: 0;
}

.ttt-falling-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.ttt-falling-symbol {
  position: absolute;
  left: var(--left);
  top: -120px;
  color: var(--color);
  font-size: var(--size);
  font-weight: 1000;
  line-height: 1;
  opacity: var(--opacity);
  text-shadow: 0 0 20px var(--glow), 0 0 52px var(--glow);
  filter: blur(.15px);
  transform: translate3d(0, -20vh, 0) rotate(var(--rotation));
  animation: tttFall var(--duration) linear var(--delay) infinite;
}

@keyframes tttFall {
  from { transform: translate3d(0, -16vh, 0) rotate(var(--rotation)); }
  to { transform: translate3d(var(--drift), 122vh, 0) rotate(calc(var(--rotation) + 180deg)); }
}

.ttt-topbar,
.ttt-page,
.ttt-modal-card { position: relative; z-index: 1; }

.ttt-topbar {
  width: min(1180px, calc(100% - 28px));
  margin: 14px auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid rgba(127, 76, 255, 0.20);
  border-radius: 22px;
  background: rgba(6, 5, 14, 0.72);
  backdrop-filter: blur(22px);
  box-shadow: 0 18px 60px rgba(0,0,0,.30);
}

.ttt-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  text-decoration: none;
}

.ttt-brand-emblem {
  position: relative;
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 18px;
  border: 1px solid rgba(127, 76, 255, 0.35);
  background: #050509;
  box-shadow: 0 16px 40px rgba(122,53,255,.28);
  overflow: visible;
}

.ttt-logo-img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  display: block;
}

.ttt-logo-corner {
  position: absolute;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 8px;
  color: #fff;
  font-size: 12px;
  font-weight: 1000;
  line-height: 1;
}

.ttt-logo-x {
  top: -5px;
  right: -5px;
  background: rgba(255,46,102,.92);
  box-shadow: 0 0 16px rgba(255,46,102,.70);
}

.ttt-logo-o {
  left: -5px;
  bottom: -5px;
  background: rgba(41,168,255,.92);
  box-shadow: 0 0 16px rgba(41,168,255,.70);
}

.ttt-brand-text { display: grid; gap: 2px; }
.ttt-brand-text strong { text-transform: uppercase; letter-spacing: .04em; font-size: 1rem; }
.ttt-brand-text small { color: var(--ttt-muted); font-size: .76rem; font-weight: 800; }

.ttt-nav { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; justify-content: flex-end; }
.ttt-nav a {
  color: rgba(255,255,255,.68);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 850;
  padding: 9px 10px;
  border-radius: 13px;
}
.ttt-nav a:hover { color: #fff; background: rgba(127,76,255,.15); }

.ttt-page {
  width: min(1180px, calc(100% - 28px));
  margin: 22px auto 54px;
}

.ttt-setup,
.ttt-card,
.ttt-modal-card {
  border: 1px solid var(--ttt-border);
  background:
    radial-gradient(circle at 14% 0%, rgba(122, 53, 255, 0.20), transparent 34%),
    radial-gradient(circle at 90% 8%, rgba(41, 168, 255, 0.10), transparent 30%),
    linear-gradient(145deg, rgba(14, 12, 27, 0.94), rgba(5, 5, 12, 0.88));
  box-shadow: var(--ttt-shadow);
  backdrop-filter: blur(24px);
}

.ttt-setup {
  display: grid;
  gap: 22px;
  border-radius: 30px;
  padding: clamp(22px, 3vw, 34px);
  overflow: hidden;
}

.ttt-setup-copy { max-width: 800px; display: grid; gap: 9px; }
.ttt-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  width: fit-content;
  color: rgba(255,255,255,.72);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .73rem;
  font-weight: 1000;
}
.ttt-kicker > span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ttt-purple-2);
  box-shadow: 0 0 18px rgba(167,105,255,.9);
}
.ttt-setup h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: .92;
  letter-spacing: -.07em;
  text-transform: uppercase;
  background: linear-gradient(90deg, #fff 0%, #cdbcff 54%, #6bbcff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.ttt-setup p { margin: 0; color: var(--ttt-muted); line-height: 1.55; }

.ttt-setup-grid { display: grid; gap: 18px; }
.ttt-setup-block { display: grid; gap: 13px; animation: tttStepIn 230ms ease both; }
@keyframes tttStepIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.ttt-section-title { display: flex; align-items: center; gap: 10px; }
.ttt-section-title span {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 12px;
  font-size: .72rem;
  font-weight: 1000;
  background: linear-gradient(135deg, var(--ttt-purple), var(--ttt-blue));
  box-shadow: 0 12px 34px rgba(122,53,255,.26);
}
.ttt-section-title h2 { margin: 0; font-size: 1rem; letter-spacing: -.02em; }

.ttt-choice-grid { display: grid; gap: 12px; }
.ttt-choice-grid-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ttt-choice-grid-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.ttt-choice-card {
  position: relative;
  display: grid;
  grid-template-columns: 54px 1fr;
  align-items: center;
  gap: 14px;
  min-height: 86px;
  padding: 14px;
  border: 1px solid rgba(127,76,255,.24);
  border-radius: 22px;
  color: #fff;
  text-align: left;
  background: linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.018));
  cursor: pointer;
  overflow: hidden;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}
.ttt-choice-card:hover,
.ttt-choice-card.is-active {
  transform: translateY(-2px);
  border-color: rgba(167,105,255,.75);
  background:
    radial-gradient(circle at 86% 12%, rgba(41,168,255,.15), transparent 42%),
    linear-gradient(145deg, rgba(122,53,255,.20), rgba(255,255,255,.035));
  box-shadow: 0 18px 42px rgba(0,0,0,.28), inset 0 0 0 1px rgba(255,255,255,.035);
}
.ttt-choice-card strong,
.ttt-choice-card small { display: block; }
.ttt-choice-card strong { font-size: 1rem; letter-spacing: -.02em; }
.ttt-choice-card small { margin-top: 4px; color: var(--ttt-muted); line-height: 1.35; }

.ttt-choice-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(145deg, rgba(122,53,255,.94), rgba(41,168,255,.78));
  box-shadow: 0 16px 34px rgba(122,53,255,.28), inset 0 1px 0 rgba(255,255,255,.22);
}
.ttt-choice-icon svg { width: 34px; height: 34px; display: block; overflow: visible; }

.ttt-pill-group,
.ttt-start-row,
.ttt-result-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.ttt-pill,
.ttt-btn,
.ttt-help-btn,
.ttt-modal-close {
  border: 1px solid rgba(127,76,255,.28);
  color: #fff;
  background: linear-gradient(145deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  font-weight: 950;
  cursor: pointer;
  transition: 160ms ease;
}
.ttt-pill { min-width: 110px; padding: 12px 16px; border-radius: 15px; }
.ttt-pill:hover,
.ttt-pill.is-active,
.ttt-btn-primary {
  border-color: rgba(167,105,255,.82);
  background: linear-gradient(135deg, var(--ttt-purple), var(--ttt-blue));
  box-shadow: 0 18px 46px rgba(122,53,255,.26);
}
.ttt-btn,
.ttt-help-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 16px;
  padding: 0 18px;
  text-decoration: none;
}
.ttt-btn:hover,
.ttt-help-btn:hover { transform: translateY(-1px); border-color: rgba(167,105,255,.70); background: rgba(127,76,255,.14); }
.ttt-btn-xl { min-width: 190px; min-height: 54px; border-radius: 18px; font-size: 1rem; }
.ttt-help-btn { width: 54px; height: 54px; padding: 0; border-radius: 18px; font-size: 1.15rem; }

.ttt-field { display: grid; gap: 8px; }
.ttt-field span,
.ttt-invite-box p { color: var(--ttt-muted); font-size: .92rem; font-weight: 850; }
.ttt-input {
  width: 100%;
  min-height: 46px;
  border: 1px solid rgba(127,76,255,.26);
  border-radius: 16px;
  padding: 0 14px;
  color: #fff;
  background: rgba(4,4,10,.58);
  outline: none;
}
.ttt-input:focus { border-color: rgba(41,168,255,.74); box-shadow: 0 0 0 4px rgba(41,168,255,.12); }
.ttt-account-note,
.ttt-room-code-card {
  border: 1px solid rgba(41,168,255,.24);
  border-radius: 16px;
  padding: 13px 14px;
  color: rgba(255,255,255,.82);
  background: rgba(41,168,255,.08);
}
.ttt-room-code-card { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.ttt-room-code-card span { color: var(--ttt-muted); font-weight: 900; }
.ttt-room-code-card strong { font-size: 1.1rem; letter-spacing: .12em; color: #fff; }
.ttt-start-row { align-items: center; margin-top: 4px; }

.ttt-game-shell { display: grid; gap: 18px; }
.ttt-game-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 330px);
  gap: 18px;
  align-items: start;
}
.ttt-card { border-radius: 28px; padding: 18px; }
.ttt-board-card { display: grid; justify-items: center; gap: 14px; }
.ttt-board-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}
.ttt-card-head p,
.ttt-board-header p {
  margin: 0 0 5px;
  color: var(--ttt-muted-2);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .70rem;
  font-weight: 1000;
}
.ttt-card-head h2,
.ttt-board-header h2 { margin: 0; font-size: 1.3rem; letter-spacing: -.03em; }

.ttt-card-head-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}
.ttt-gear-btn {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(127, 76, 255, .32);
  border-radius: 16px;
  color: rgba(255,255,255,.88);
  background:
    radial-gradient(circle at 30% 20%, rgba(255,255,255,.10), transparent 35%),
    linear-gradient(135deg, rgba(122,53,255,.20), rgba(41,168,255,.08));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 12px 30px rgba(0,0,0,.20);
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease, color 160ms ease;
}
.ttt-gear-btn:hover {
  transform: translateY(-1px) rotate(18deg);
  border-color: rgba(41,168,255,.58);
  color: #fff;
  box-shadow: 0 0 24px rgba(122,53,255,.28), inset 0 1px 0 rgba(255,255,255,.12);
}
.ttt-gear-btn svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.25;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ttt-score-pill,
.ttt-tag {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  border: 1px solid rgba(127,76,255,.24);
  border-radius: 999px;
  padding: 0 12px;
  color: rgba(255,255,255,.80);
  background: rgba(255,255,255,.045);
  font-weight: 900;
  font-size: .82rem;
}
.ttt-score-pill span { color: #fff; margin-right: 5px; }

.ttt-board-wrap {
  display: grid;
  place-items: center;
  width: fit-content;
  max-width: 100%;
  padding: 13px;
  border: 1px solid rgba(127,76,255,.28);
  border-radius: 26px;
  background:
    radial-gradient(circle at 50% 8%, rgba(122,53,255,.18), transparent 45%),
    rgba(3,3,9,.52);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.025), 0 22px 70px rgba(0,0,0,.38);
}
.ttt-board {
  display: grid;
  grid-template-columns: repeat(3, var(--ttt-cell));
  grid-template-rows: repeat(3, var(--ttt-cell));
  gap: var(--ttt-gap);
  width: fit-content;
  height: fit-content;
}
.ttt-cell {
  position: relative;
  display: grid;
  place-items: center;
  width: var(--ttt-cell);
  height: var(--ttt-cell);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px;
  color: #fff;
  font: 1000 calc(var(--ttt-cell) * .80) / 1 Inter, ui-sans-serif, system-ui, sans-serif;
  text-align: center;
  background:
    radial-gradient(circle at 32% 22%, rgba(255,255,255,.08), transparent 34%),
    linear-gradient(145deg, rgba(255,255,255,.078), rgba(255,255,255,.024));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), inset 0 -18px 42px rgba(0,0,0,.18);
  cursor: pointer;
  overflow: hidden;
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease, box-shadow 150ms ease;
}
.ttt-cell:hover:not(:disabled) {
  transform: translateY(-2px);
  border-color: rgba(41,168,255,.48);
  background:
    radial-gradient(circle at 32% 22%, rgba(255,255,255,.13), transparent 34%),
    linear-gradient(145deg, rgba(122,53,255,.16), rgba(41,168,255,.08));
}
.ttt-cell:disabled { cursor: not-allowed; }
.ttt-cell.mark-x { color: var(--ttt-pink); text-shadow: 0 0 18px rgba(255,46,102,.95), 0 0 44px rgba(255,46,102,.38); }
.ttt-cell.mark-o { color: var(--ttt-blue); text-shadow: 0 0 18px rgba(41,168,255,.95), 0 0 44px rgba(41,168,255,.38); }
.ttt-cell.is-next-vanish::before {
  content: '';
  position: absolute;
  inset: 7px;
  border-radius: 16px;
  border: 1px dashed rgba(255,255,255,.36);
}
.ttt-cell.is-next-vanish::after {
  content: 'NEXT';
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  padding: 2px 6px;
  border-radius: 999px;
  color: rgba(255,255,255,.9);
  background: rgba(0,0,0,.35);
  font-size: .53rem;
  font-weight: 1000;
  letter-spacing: .08em;
}
.ttt-cell.is-winning {
  border-color: rgba(53,242,154,.88);
  background:
    radial-gradient(circle at 50% 50%, rgba(53,242,154,.28), transparent 62%),
    linear-gradient(145deg, rgba(53,242,154,.16), rgba(255,255,255,.03));
  animation: tttWinPulse 820ms ease-in-out infinite;
}
@keyframes tttWinPulse {
  0%, 100% { box-shadow: 0 0 0 rgba(53,242,154,0), inset 0 1px 0 rgba(255,255,255,.08); }
  50% { box-shadow: 0 0 28px rgba(53,242,154,.46), inset 0 0 22px rgba(53,242,154,.12); }
}

.ttt-message { min-height: 24px; margin: 0; color: var(--ttt-muted); font-weight: 850; text-align: center; }
.ttt-message.is-good { color: var(--ttt-green); }
.ttt-message.is-bad { color: var(--ttt-pink); }

.ttt-control-card { display: grid; gap: 15px; }
.ttt-match-tags {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.ttt-match-tags .ttt-tag {
  flex: 0 0 auto;
}
.ttt-versus-score {
  display: grid;
  gap: 9px;
  padding: 10px;
  border: 1px solid rgba(127,76,255,.24);
  border-radius: 22px;
  background: rgba(255,255,255,.035);
}
.ttt-score-player,
.ttt-score-center {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 54px;
  padding: 10px 12px;
  border-radius: 17px;
  background: linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.018));
}
.ttt-score-player small,
.ttt-score-center small { color: var(--ttt-muted-2); font-weight: 900; text-transform: uppercase; letter-spacing: .10em; font-size: .68rem; }
.ttt-score-player strong { display: flex; align-items: center; gap: 8px; font-size: .95rem; }
.ttt-score-player b,
.ttt-score-center b { font-size: 1.55rem; line-height: 1; }
.ttt-score-player.is-x b { color: var(--ttt-pink); text-shadow: 0 0 18px rgba(255,46,102,.8); }
.ttt-score-player.is-o b { color: var(--ttt-blue); text-shadow: 0 0 18px rgba(41,168,255,.8); }
.ttt-score-center span { color: rgba(255,255,255,.52); font-weight: 1000; letter-spacing: .18em; }

.ttt-turn-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid rgba(127,76,255,.24);
  border-radius: 20px;
  padding: 13px 14px;
  background: linear-gradient(135deg, rgba(255,255,255,.055), rgba(255,255,255,.022));
}
.ttt-turn-badge span { color: var(--ttt-muted); font-weight: 900; }
.ttt-turn-badge strong { font-size: 2rem; line-height: 1; font-weight: 1000; }
.ttt-turn-badge.is-x strong { color: var(--ttt-pink); text-shadow: 0 0 18px rgba(255,46,102,.85); }
.ttt-turn-badge.is-o strong { color: var(--ttt-blue); text-shadow: 0 0 18px rgba(41,168,255,.85); }

.ttt-info-list { display: grid; gap: 8px; margin: 0; }
.ttt-info-list div { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px solid rgba(255,255,255,.07); }
.ttt-info-list dt { color: var(--ttt-muted-2); font-weight: 850; }
.ttt-info-list dd { margin: 0; color: #fff; font-weight: 1000; text-align: right; }
.ttt-online-panel,
.ttt-invite-box { display: grid; gap: 10px; }
.ttt-copy-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; }

.ttt-modal[hidden],
[hidden],
.ttt-setup-block[hidden],
.ttt-progressive-step[hidden],
.ttt-start-row[hidden],
.ttt-game-shell[hidden],
.ttt-online-panel[hidden],
.ttt-invite-box[hidden],
.ttt-field[hidden],
.ttt-account-note[hidden] { display: none !important; }

.ttt-modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 10;
}
.ttt-modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.66); backdrop-filter: blur(10px); }
.ttt-modal-card {
  position: relative;
  width: min(560px, 100%);
  border-radius: 28px;
  padding: 26px;
}
.ttt-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  border-radius: 14px;
  font-size: 1.2rem;
}
.ttt-modal-card h2 { margin: 8px 0 10px; font-size: 1.9rem; letter-spacing: -.04em; }
.ttt-help-grid { display: grid; gap: 12px; margin-top: 16px; }
.ttt-help-grid article { border: 1px solid rgba(127,76,255,.22); border-radius: 18px; padding: 14px; background: rgba(255,255,255,.035); }
.ttt-help-grid strong { color: #fff; }
.ttt-help-grid p { color: var(--ttt-muted); line-height: 1.55; margin: 6px 0 0; }
.ttt-result-card { text-align: center; }
.ttt-result-orb {
  width: 78px;
  height: 78px;
  margin: 0 auto 14px;
  display: grid;
  place-items: center;
  border-radius: 26px;
  font-size: 2.7rem;
  font-weight: 1000;
  background: linear-gradient(135deg, rgba(122,53,255,.95), rgba(41,168,255,.75));
  box-shadow: 0 22px 58px rgba(122,53,255,.30);
}
.ttt-result-modal.is-win .ttt-result-orb { background: linear-gradient(135deg, rgba(53,242,154,.95), rgba(41,168,255,.70)); }
.ttt-result-modal.is-loss .ttt-result-orb { background: linear-gradient(135deg, rgba(255,46,102,.95), rgba(122,53,255,.70)); }
.ttt-result-text { color: var(--ttt-muted); line-height: 1.55; }
.ttt-result-actions { justify-content: center; margin-top: 18px; }

@media (max-width: 920px) {
  .ttt-choice-grid-three,
  .ttt-choice-grid-two,
  .ttt-game-layout { grid-template-columns: 1fr; }
  .ttt-control-card { order: 2; }
  .ttt-board-card { order: 1; }
}

@media (max-width: 640px) {
  :root { --ttt-cell: clamp(72px, 24vw, 96px); --ttt-gap: 10px; }
  .ttt-topbar { align-items: flex-start; flex-direction: column; }
  .ttt-nav { justify-content: flex-start; }
  .ttt-choice-card { grid-template-columns: 46px 1fr; min-height: 78px; }
  .ttt-choice-icon { width: 46px; height: 46px; border-radius: 16px; }
  .ttt-choice-icon svg { width: 30px; height: 30px; }
  .ttt-board-card { padding: 14px; }
  .ttt-board-header { flex-direction: column; }
  .ttt-copy-row { grid-template-columns: 1fr; }
}


/* Unified topbar/background cleanup */
html, body{
  background-color:#060612 !important;
}
body{
  min-height:100dvh;
  background-image:
    radial-gradient(900px 620px at 18% 8%, rgba(123,66,255,.22), transparent 62%),
    radial-gradient(820px 560px at 85% 18%, rgba(46,168,255,.14), transparent 60%),
    radial-gradient(900px 620px at 82% 86%, rgba(123,66,255,.10), transparent 64%) !important;
  background-repeat:no-repeat !important;
  background-size:cover !important;
  background-attachment:fixed !important;
}
.ttt-topbar.unified-topbar{
  width:min(1180px, calc(100% - 32px));
  min-height:68px;
  margin:18px auto 0;
  padding:10px 12px;
  border:1px solid rgba(132, 76, 255, .27);
  background:rgba(5,5,13,.86);
  border-radius:22px;
}
.ttt-nav.unified-nav a,
.ttt-nav.unified-nav button{
  min-height:38px;
  padding:0 15px;
  border-radius:13px;
  color:rgba(255,255,255,.72);
  font:inherit;
  font-size:.92rem;
  font-weight:950;
}
.ttt-nav.unified-nav a:hover,
.ttt-nav.unified-nav button:hover,
.ttt-nav.unified-nav a.is-active,
.ttt-nav.unified-nav button.is-active{
  color:#fff;
  background:rgba(132,76,255,.15);
}

/* Final topbar strip cleanup */
html, body{
  margin:0 !important;
  overscroll-behavior-y:none;
}
.ttt-topbar.unified-topbar{
  margin-top:0 !important;
  position:sticky !important;
  top:0 !important;
}

/* Host room code: compact pill beside the mode tag */
.ttt-room-code-pill {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex: 1 1 auto;
  min-width: 0;
  min-height: 34px;
  padding: 5px 6px 5px 11px;
  border: 1px solid rgba(41, 168, 255, .42);
  border-radius: 999px;
  color: #fff;
  background: rgba(41, 168, 255, .10);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 10px 24px rgba(41,168,255,.08);
}
.ttt-room-code-pill > span {
  display: none;
}
.ttt-room-code-pill strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #fff;
  font-size: .78rem;
  font-weight: 1000;
  letter-spacing: .10em;
}
.ttt-copy-icon-btn {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  color: #fff;
  background: rgba(255,255,255,.08);
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}
.ttt-copy-icon-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(41, 168, 255, .55);
  background: rgba(41, 168, 255, .16);
}
.ttt-copy-icon-btn svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}


/* === Final TTT host-room code placement ===
   Keep the generated host room code on the same visual row as Classic/Vanish. */
.ttt-control-card .ttt-match-tags {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  flex-wrap: nowrap !important;
  gap: 8px !important;
  width: 100% !important;
  min-width: 0 !important;
  overflow: hidden !important;
}
.ttt-control-card .ttt-match-tags .ttt-tag {
  flex: 0 0 auto !important;
  white-space: nowrap !important;
}
.ttt-control-card .ttt-room-code-pill {
  flex: 0 1 auto !important;
  width: auto !important;
  max-width: 190px !important;
  min-width: 116px !important;
  min-height: 36px !important;
  margin: 0 !important;
  padding: 5px 7px 5px 12px !important;
  align-self: center !important;
}
.ttt-control-card .ttt-room-code-pill strong {
  font-size: .80rem !important;
  line-height: 1 !important;
}
.ttt-control-card .ttt-copy-icon-btn {
  width: 27px !important;
  height: 27px !important;
}
@media (max-width: 560px) {
  .ttt-control-card .ttt-match-tags { gap: 6px !important; }
  .ttt-control-card .ttt-room-code-pill {
    min-width: 100px !important;
    max-width: 150px !important;
    padding-left: 10px !important;
  }
  .ttt-control-card .ttt-room-code-pill strong { font-size: .70rem !important; letter-spacing: .07em !important; }
}

/* === Sudoku focus mode: hero removed, game starts immediately under topbar === */
body.sudoku-arena .sudoku-panel > .sudoku-layout:first-child {
  margin-top: 0 !important;
}
body.sudoku-arena .sudoku-panel {
  padding-top: clamp(18px, 2.2vw, 30px) !important;
}

/* v18 quick replay button */
.ttt-head-actions-v18{display:inline-flex;align-items:center;gap:10px;}
.ttt-replay-btn-v18{border-color:rgba(41,168,255,.34)!important;background:rgba(41,168,255,.10)!important;}
.ttt-replay-btn-v18:hover{background:rgba(41,168,255,.18)!important;}
.ttt-replay-btn-v18 svg{transform:none!important;}
body.nav-hidden .unified-topbar{transform:translateY(-118%)!important;opacity:0!important;pointer-events:none!important;margin-bottom:calc(-1 * var(--unified-topbar-height,72px))!important;}
.nav-collapse-toggle,.nav-reveal-toggle{display:none!important;}