:root {
  --bg: #000000;
  --fg: #ffffff;
  --muted: #9a9a9a;
  --line: #2a2a2a;
  --line-strong: #4a4a4a;
  --soft: #0d0d0d;
  --soft-2: #141414;
  --inverse-bg: #ffffff;
  --inverse-fg: #000000;
  --bar: #ffffff;
  --bar-bg: #1a1a1a;

  --tier-hot: #22c55e;
  --tier-hot-fg: #4ade80;
  --tier-warm: #facc15;
  --tier-warm-fg: #fde047;
  --tier-cold: #ef4444;
  --tier-cold-fg: #fca5a5;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

html,
body {
  background: var(--bg);
}

body {
  color: var(--fg);
  font-family: "Roboto", "Helvetica", "Arial", sans-serif;
  font-size: 16px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--fg);
  color: var(--inverse-fg);
}

.mono {
  font-family: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

.game {
  max-width: 640px;
  margin: 0 auto;
  padding: 28px 16px 80px;
}

.header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--fg);
  padding-bottom: 12px;
  margin-bottom: 20px;
}

.header-actions {
  display: flex;
  gap: 8px;
}

.title {
  font-size: 32px;
  font-weight: 900;
  letter-spacing: 0.06em;
  margin: 0;
  line-height: 1;
}

.btn {
  font: inherit;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 10px 16px;
  border: 1.5px solid var(--fg);
  cursor: pointer;
  text-transform: lowercase;
  background: transparent;
  color: var(--fg);
  transition: background-color 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.btn:hover:not(:disabled) {
  background: var(--fg);
  color: var(--inverse-fg);
}
.btn:disabled {
  border-color: var(--line);
  color: var(--muted);
  cursor: not-allowed;
}

.btn-solid {
  background: var(--fg);
  color: var(--inverse-fg);
}
.btn-solid:hover:not(:disabled) {
  outline: 2px solid var(--fg);
  outline-offset: 2px;
}
.btn-solid:disabled {
  background: var(--line);
  color: var(--muted);
  border-color: var(--line);
}

.btn-outline {
  background: var(--bg);
}

.btn-ghost {
  border-style: dashed;
}

.btn-outline.active {
  background: var(--fg);
  color: var(--inverse-fg);
}

.btn-big {
  flex: 1 1 0;
  padding: 18px 16px;
  font-size: 16px;
}

.icon-btn {
  width: 48px;
  font-size: 22px;
  line-height: 1;
  padding: 0;
}

.input {
  font: inherit;
  background: var(--bg);
  color: var(--fg);
  border: 1.5px solid var(--fg);
  padding: 10px 12px;
  border-radius: 0;
  outline-offset: 2px;
}
.input:focus {
  outline: 2px solid var(--fg);
}
.input::placeholder {
  color: var(--muted);
}

.status {
  font-size: 13px;
  color: var(--muted);
  margin: 8px 0 14px;
  min-height: 1.4em;
  border-left: 2px solid var(--line);
  padding-left: 10px;
}
.status.error {
  color: #ff5252;
  border-left-color: #ff5252;
  font-weight: 600;
}
.status.win {
  color: var(--inverse-fg);
  background: var(--fg);
  border-left-color: var(--fg);
  font-weight: 700;
  padding: 8px 10px;
}

.winners-boards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 0 0 14px;
}
.winners-boards .session-leaderboard {
  margin: 0;
}

.session-leaderboard {
  margin: 0 0 14px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  background: var(--soft);
}
.session-leaderboard-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.session-leaderboard-title {
  margin: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.session-reset-btn {
  padding: 4px 10px;
  font-size: 11px;
  border-style: dashed;
  flex-shrink: 0;
}
.session-leaderboard-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.session-leaderboard-row {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.session-rank {
  color: var(--muted);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
}
.session-nick {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 600;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.session-wins {
  color: var(--fg);
  font-weight: 700;
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

.counters {
  display: flex;
  gap: 14px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}
.counters b {
  color: var(--fg);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.secret-form {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.secret-form .input {
  flex: 1 1 220px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

.input-secret {
  -webkit-text-security: disc;
  -moz-text-security: disc;
  text-security: disc;
  letter-spacing: 0.25em;
}
.input-secret::placeholder {
  -webkit-text-security: none;
  text-security: none;
  letter-spacing: normal;
  font-family: "Roboto", "Helvetica", "Arial", sans-serif;
}

.game-actions {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.input-row {
  display: flex;
  align-items: stretch;
  margin-bottom: 18px;
}
.input-row .input {
  flex: 1;
  border-right: 0;
}

.last-guess {
  margin-bottom: 6px;
  min-height: 0;
}
.last-guess .row {
  border-color: var(--fg);
  border-width: 2px;
}

.guesses {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.row {
  position: relative;
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: var(--soft);
  overflow: hidden;
  font-variant-numeric: tabular-nums;
}
.row > * {
  position: relative;
  z-index: 1;
}

.row .num {
  font-size: 12px;
  color: var(--muted);
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

.row .word-cell {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  gap: 1px;
}
.row .word {
  font-weight: 600;
  font-size: 16px;
  color: var(--fg);
}
.row .nick {
  font-size: 11px;
  color: var(--muted);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.row .rank {
  font-size: 14px;
  color: var(--muted);
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

.row .bar {
  position: absolute;
  inset: 0 auto 0 0;
  background: var(--bar);
  z-index: 0;
  opacity: 0.18;
  pointer-events: none;
}

.row.tier-hot .bar {
  background: var(--tier-hot);
  opacity: 0.32;
}
.row.tier-warm .bar {
  background: var(--tier-warm);
  opacity: 0.26;
}
.row.tier-cold .bar {
  background: var(--tier-cold);
  opacity: 0.2;
}
.row.tier-hot .rank {
  color: var(--tier-hot-fg);
}
.row.tier-warm .rank {
  color: var(--tier-warm-fg);
}
.row.tier-cold .rank {
  color: var(--tier-cold-fg);
}

.row.tip {
  border-style: dashed;
  border-color: var(--line-strong);
}
.row.tip::after {
  content: "подсказка";
  position: absolute;
  right: 12px;
  top: -8px;
  background: var(--bg);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0 6px;
  z-index: 2;
}

.row.win {
  background: var(--inverse-bg);
}
.row.win .word,
.row.win .rank,
.row.win .num {
  color: var(--inverse-fg);
}
.row.win .nick {
  color: var(--inverse-fg);
  opacity: 0.75;
}
.row.win .bar {
  display: none;
}

.row.fresh {
  outline: 2px solid var(--fg);
  outline-offset: -2px;
}

.sound-settings {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}

.sound-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}
.sound-check input {
  width: 16px;
  height: 16px;
  accent-color: var(--fg);
  cursor: pointer;
}
.sound-check span {
  color: var(--fg);
}

.sound-volume {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 180px;
  min-width: 160px;
}
.sound-volume-label {
  flex-shrink: 0;
}
.sound-volume input[type="range"] {
  flex: 1;
  min-width: 80px;
  accent-color: var(--fg);
  cursor: pointer;
}
.sound-volume input[type="range"]:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.sound-volume-value {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  color: var(--fg);
  min-width: 3.2em;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.twitch {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.twitch-input {
  flex: 1 1 160px;
  min-width: 120px;
}
.twitch-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line-strong);
  flex-shrink: 0;
  transition: background 0.2s;
}
.twitch-led.connecting {
  background: var(--muted);
  animation: twitch-pulse 1s ease-in-out infinite;
}
.twitch-led.connected {
  background: #4ade80;
  box-shadow: 0 0 6px rgba(74, 222, 128, 0.7);
}
@keyframes twitch-pulse {
  0%,
  100% {
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
}

.footer {
  margin-top: 28px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 14px;
}
.footer-item {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
}
.footer-link {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
}
.footer-link:hover,
.footer-link:focus-visible {
  border-bottom-color: var(--fg);
  outline: none;
}

@media (max-width: 480px) {
  .title {
    font-size: 24px;
  }
  .game {
    padding: 18px 12px 64px;
  }
  .header-actions {
    width: 100%;
    justify-content: flex-end;
  }
  .header-actions .btn {
    flex: 1 1 0;
  }
  .winners-boards {
    grid-template-columns: 1fr;
  }
}