:root {
  color-scheme: dark;
  --bg: #030303;
  --surface: rgba(10, 10, 11, 0.82);
  --surface-soft: #111113;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.2);
  --text: #f5f5f0;
  --muted: #a6a6a0;
  --dim: #6d6d68;
  --signal: #e9ff70;
  --good: #67ff93;
  --bad: #ff5c7a;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

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

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(115deg, rgba(233, 255, 112, 0.08), transparent 28rem),
    linear-gradient(245deg, rgba(255, 255, 255, 0.06), transparent 34rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, #000, transparent 75%);
}

.game-page {
  position: relative;
  z-index: 1;
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(28px, 5vw, 56px) 0 64px;
}

.game-page::after {
  position: fixed;
  right: max(24px, 8vw);
  bottom: 52px;
  width: min(34vw, 420px);
  height: 1px;
  background: var(--line-strong);
  content: "";
}

.intro {
  display: grid;
  justify-items: center;
  padding: 32px 0 42px;
  text-align: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 42px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 760;
}

.brand-mark {
  width: 17px;
  height: 17px;
  border: 2px solid var(--text);
  border-radius: 50%;
  box-shadow: inset 6px 0 0 var(--signal);
}

h1, h2 {
  margin: 0;
  font-weight: 860;
  line-height: 0.86;
  letter-spacing: 0;
}

h1 { font-size: clamp(58px, 12vw, 136px); }
h2 { font-size: clamp(42px, 8vw, 88px); }

.lede {
  max-width: 720px;
  margin: 24px auto 0;
  color: var(--muted);
  font-size: clamp(18px, 2.2vw, 26px);
  line-height: 1.22;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.045), transparent 70%),
    var(--surface);
  padding: clamp(20px, 4vw, 34px);
}

.setup-form, .players-list, .game-panel, .leaderboard-panel {
  display: grid;
  gap: 18px;
}

.field-row, .players-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

label {
  display: grid;
  gap: 8px;
}

label span, .tools-kicker, .game-topline, .conversation-meta {
  color: var(--signal);
  font-size: 12px;
  font-weight: 860;
  text-transform: uppercase;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  outline: none;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  font: inherit;
  font-size: 16px;
  padding: 14px;
}

input:focus { border-color: rgba(233, 255, 112, 0.58); }

.status {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.button {
  display: inline-flex;
  min-height: 42px;
  width: fit-content;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  padding: 0 20px;
  font: inherit;
  font-size: 15px;
  font-weight: 780;
  white-space: nowrap;
}

.button-light {
  border: 1px solid #eff2d6;
  background: #f5f7e9;
  color: #11120e;
}

.game-topline {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.conversation-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
  overflow: hidden;
}

.conversation-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding: 16px 18px;
}

.conversation-log {
  display: grid;
  gap: 12px;
  padding: clamp(16px, 3vw, 24px);
}

.message {
  display: grid;
  max-width: 82%;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.055);
  padding: 13px 15px;
}

.message:nth-child(even) {
  justify-self: end;
  background: rgba(233, 255, 112, 0.08);
}

.message strong {
  color: var(--signal);
  font-size: 12px;
  text-transform: uppercase;
}

.message p {
  margin: 0;
  color: var(--text);
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 760;
  line-height: 1.18;
  overflow-wrap: anywhere;
}

.guess-panel {
  display: grid;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
  padding: clamp(18px, 3vw, 24px);
}

.date-slider {
  accent-color: var(--signal);
  padding: 0;
}

.guess-readout {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.guess-readout strong {
  font-size: clamp(32px, 6vw, 70px);
  line-height: 0.95;
}

.guess-readout span, .result-card p {
  color: var(--muted);
  font-size: 16px;
}

.result-card {
  border: 1px solid rgba(233, 255, 112, 0.42);
  border-radius: 18px;
  background:
    radial-gradient(circle at top right, rgba(233, 255, 112, 0.18), transparent 32%),
    rgba(233, 255, 112, 0.07);
  padding: clamp(20px, 4vw, 34px);
}

.leaderboard {
  display: grid;
  width: 100%;
  gap: 8px;
}

.leaderboard-row {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 14px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  padding: 14px 16px;
}

.leaderboard-row span {
  color: var(--muted);
}

.leaderboard-row:first-child {
  border-color: rgba(233, 255, 112, 0.7);
}

@media (max-width: 760px) {
  .game-page {
    width: min(100% - 28px, 1080px);
  }

  .field-row, .players-list {
    grid-template-columns: 1fr;
  }

  .game-topline, .conversation-meta {
    flex-direction: column;
  }

  .message {
    max-width: 100%;
  }
}