/* ── Reset & Base ─────────────────────────────────────────────── */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #050505;
  --surface: #0a0a0a;
  --surface-2: #141414;
  --border: #222222;
  --border-light: #333333;
  --text: #ffffff;
  --text-dim: #a1a1a1;
  --text-muted: #555555;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── App Layout ───────────────────────────────────────────────── */

.app {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ───────────────────────────────────────────────────── */

.header {
  padding: 24px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}

.header__logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--text);
}

.header__tagline {
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── Layout Grid ──────────────────────────────────────────────── */

.layout {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.main {
  flex: 1;
  overflow-y: auto;
  padding: 48px 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  scroll-behavior: smooth;
}

/* ── Sidebar ──────────────────────────────────────────────────── */

.sidebar {
  width: 320px;
  border-left: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  flex-shrink: 0;
}

.sidebar__header {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 32px 32px 16px;
  color: var(--text-dim);
}

.sidebar__list {
  flex: 1;
  padding: 0 16px 32px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.standing {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: 8px;
  transition: background 0.2s;
}

.standing--active {
  background: var(--surface-2);
}

.standing__rank {
  width: 20px;
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  color: var(--text-muted);
  font-size: 13px;
  flex-shrink: 0;
}

.standing__info {
  flex: 1;
  min-width: 0;
}

.standing__name-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.standing__name {
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 8px;
}

.standing__role {
  font-size: 12px;
  flex-shrink: 0;
}

.standing__bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}

.standing__bar {
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.standing__bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.standing__score {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-dim);
  min-width: 32px;
  text-align: right;
}

.sidebar__legend {
  padding: 24px 32px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
}

/* ── Arena ─────────────────────────────────────────────────────── */

.arena {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.arena__header-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.arena__round-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1px;
}

.arena__round-of {
  color: var(--text-muted);
}

.arena__phase {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ── Prompt Card ──────────────────────────────────────────────── */

.prompt-card {
  margin-bottom: 64px;
}

.prompt-card__by {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.prompt-card__text {
  font-family: 'DM Serif Display', serif;
  font-size: 56px;
  line-height: 1.1;
  color: var(--text);
  max-width: 95%;
  letter-spacing: -1px;
}

.prompt-card__text--loading {
  color: var(--text-muted);
}

/* ── Showdown ─────────────────────────────────────────────────── */

.showdown {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.contestant {
  background: var(--bg);
  display: flex;
  flex-direction: column;
  position: relative;
  border-top: 4px solid var(--border);
  padding-top: 24px;
}

.contestant__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.contestant__name {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.contestant__winner-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  background: var(--text);
  color: var(--bg);
  border-radius: 4px;
  letter-spacing: 1px;
}

.contestant__answer {
  flex: 1;
  min-height: 180px;
}

.contestant__text {
  font-family: 'DM Serif Display', serif;
  font-size: 36px;
  line-height: 1.3;
  color: var(--text-dim);
  letter-spacing: -0.5px;
}

.contestant--winner .contestant__text {
  color: var(--text);
}

.contestant__thinking {
  color: var(--text-muted);
  font-family: 'DM Serif Display', serif;
  font-size: 36px;
}

.contestant__error {
  color: #ef4444;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
}

.contestant__votes {
  margin-top: 48px;
}

/* ── Vote Bar ─────────────────────────────────────────────────── */

.vote-bar {
  height: 2px;
  background: var(--border);
  width: 100%;
}

.vote-bar__fill {
  height: 100%;
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.vote-bar__label {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--text-dim);
}

.vote-bar__count {
  font-weight: 700;
  color: var(--text);
  font-size: 18px;
}

/* ── Vote Ticker ──────────────────────────────────────────────── */

.vote-ticker {
  border-top: 1px solid var(--border);
  padding-top: 48px;
  margin-bottom: 64px;
}

.vote-ticker__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.vote-ticker__title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-dim);
}

.vote-ticker__status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--text-muted);
}

.vote-ticker__list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.vote-entry {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.vote-entry--pending {
  opacity: 0.5;
  border-style: dashed;
}

.vote-entry__arrow {
  color: var(--text-muted);
}

.vote-entry__pending {
  color: var(--text-muted);
  font-style: italic;
  font-size: 13px;
}

.vote-entry__error {
  color: var(--text-muted);
  font-style: italic;
  font-size: 13px;
}

/* ── Round Result (Tie) ───────────────────────────────────────── */

.round-result {
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 32px;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 8px;
}

/* ── Waiting State ────────────────────────────────────────────── */

.arena-waiting {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'DM Serif Display', serif;
  color: var(--text-muted);
  font-size: 48px;
  opacity: 0.5;
}

/* ── History ──────────────────────────────────────────────────── */

.history {
  width: 100%;
  max-width: 1100px;
  margin: 80px auto 0;
}

.history__title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.past-round {
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.past-round__header {
  display: flex;
  gap: 24px;
  align-items: baseline;
}

.past-round__num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--text-muted);
  width: 32px;
}

.past-round__prompt {
  font-family: 'Inter', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  flex: 1;
}

.past-round__detail {
  padding-left: 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.past-round__competitor {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.past-round__competitor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}

.past-round__answer {
  font-family: 'DM Serif Display', serif;
  font-size: 20px;
  color: var(--text-dim);
  line-height: 1.4;
}

.past-round__competitor--winner .past-round__answer {
  color: var(--text);
}

.past-round__score {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  color: var(--text-muted);
}

.past-round__winner-tag {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 10px;
  padding: 2px 6px;
  background: var(--text);
  color: var(--bg);
  border-radius: 4px;
  text-transform: uppercase;
}

/* ── Game Over ────────────────────────────────────────────────── */

.game-over {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.game-over__title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--text-muted);
  margin-bottom: 48px;
}

.game-over__champion {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.game-over__crown {
  font-size: 48px;
}

.game-over__name {
  font-family: 'DM Serif Display', serif;
  font-size: 72px;
  line-height: 1;
  display: flex;
  align-items: center;
  gap: 24px;
}

.game-over__name img {
  width: 64px;
  height: 64px;
}

.game-over__subtitle {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  color: var(--text-dim);
}

/* ── Connecting ───────────────────────────────────────────────── */

.connecting {
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  background: var(--bg);
}

.connecting__logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -2px;
  color: var(--text);
}

.connecting__text {
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ── Utility ──────────────────────────────────────────────────── */

.model-name {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.model-logo {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.model-logo.invert-dark {
  /* Some logos might need this if they are dark naturally, but SVG styling handles it or we'll assume they're visible. */
}

.timer {
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.dots span {
  animation: dot-blink 1.4s infinite;
}

.dots span:nth-child(2) { animation-delay: 0.2s; }
.dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dot-blink {
  0%, 80%, 100% { opacity: 0.15; }
  40% { opacity: 1; }
}

/* ── Scrollbar ────────────────────────────────────────────────── */

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ── Responsive ───────────────────────────────────────────────── */

@media (max-width: 1100px) {
  .layout { flex-direction: column; }
  .sidebar {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--border);
    max-height: 300px;
  }
  .showdown { grid-template-columns: 1fr; gap: 48px; }
  .past-round__detail { grid-template-columns: 1fr; }
}