:root {
  --bg: #0a0a10;
  --panel: #131218;
  --panel-2: #191822;
  --border: rgba(255, 255, 255, 0.13);
  --text: #f7f6fb;
  --muted: rgba(247, 246, 251, 0.62);
  --accent: #22d3ee;
  --accent-2: #ff5a68;
  --good: #34d399;
  --radius: 18px;

  --font-display: 'Bricolage Grotesque', 'Inter', sans-serif;
  --font-label: 'Inter', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 24px;
  padding-bottom: 56px;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: '❓';
  position: fixed;
  right: -6vw;
  bottom: -8vw;
  font-size: 42vw;
  line-height: 1;
  opacity: 0.03;
  pointer-events: none;
  z-index: 0;
  filter: grayscale(1);
}

#app {
  width: 100%;
  max-width: 480px;
  position: relative;
  z-index: 1;
}

.screen {
  display: none;
  flex-direction: column;
  align-items: stretch;
  gap: 16px;
  animation: fadeIn .3s ease;
}

.screen.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-style: normal;
  font-size: 1.9rem;
  margin: 0 0 4px;
  text-align: center;
  letter-spacing: 0.3px;
}

.back-link {
  display: inline-block;
  font-family: var(--font-label);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  font-size: 0.78rem;
  text-decoration: none;
  margin-bottom: 4px;
}

.back-link:hover {
  color: var(--text);
}

h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  margin: 0 0 4px;
  text-align: center;
}

.subtitle, .discuss-hint, .hint {
  color: var(--muted);
  text-align: center;
  font-size: 0.95rem;
  line-height: 1.45;
  margin: 0;
}

.hint a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.field {
  background: var(--panel);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field label {
  font-family: var(--font-label);
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
}

.checkbox-field-label {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 1rem;
  text-transform: none !important;
  letter-spacing: 0;
  font-weight: 500 !important;
  cursor: pointer;
}

.checkbox-field-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
}

input[type="text"], input[type="number"] {
  background: var(--panel-2);
  border: 2px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 10px 12px;
  font-size: 1.1rem;
  width: 100%;
}

input[type="text"]:focus, input[type="number"]:focus {
  outline: 2px solid var(--accent);
}

.primary-btn, .secondary-btn {
  border: none;
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform .1s ease, opacity .15s ease, box-shadow .15s ease;
  letter-spacing: 0.2px;
  font-family: var(--font-body);
}

.primary-btn {
  background: var(--accent);
  color: #06222a;
  box-shadow: 0 8px 24px rgba(34, 211, 238, 0.25);
}

.primary-btn:hover {
  box-shadow: 0 8px 28px rgba(34, 211, 238, 0.4);
}

.secondary-btn {
  background: var(--panel-2);
  color: var(--text);
  border: 2px solid var(--border);
}

.primary-btn:active, .secondary-btn:active {
  transform: scale(0.97);
}

.primary-btn:disabled, .secondary-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.error {
  color: var(--accent-2);
  text-align: center;
  font-size: 0.9rem;
  margin: 0;
}

.hidden {
  display: none !important;
}

#joinCode {
  text-transform: uppercase;
  letter-spacing: 3px;
  text-align: center;
  font-weight: 700;
}

.avatar-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.avatar-btn {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 2px solid var(--border);
  background: var(--panel-2);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .15s ease;
  padding: 0;
}

.avatar-btn.active {
  background: var(--accent);
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(34, 211, 238, 0.35);
}

.avatar-btn:active {
  transform: scale(0.92);
}

.player-chip .player-avatar {
  font-size: 1rem;
}

.divider {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  margin: 4px 0;
}

.link-toggle {
  text-align: center;
  color: var(--accent);
  font-size: 0.85rem;
  margin: 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.link-toggle:active {
  opacity: 0.7;
}

/* Room code */
.room-code-box {
  background: var(--panel);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.room-code-label {
  font-family: var(--font-label);
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-weight: 600;
}

.room-code {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: 6px;
  color: var(--accent);
}

.copy-link-btn {
  margin-top: 8px;
  padding: 8px 16px;
  font-size: 0.82rem;
  width: auto;
}

/* Player chips */
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.player-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--panel-2);
  border: 2px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.85rem;
}

.player-chip .host-tag {
  font-size: 0.7rem;
  color: var(--accent);
}

.player-chip.disconnected {
  opacity: 0.5;
}

.player-chip .rank-num {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  color: #06222a;
  font-size: 0.68rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.player-chip .score-value {
  color: var(--good);
  font-weight: 700;
}

/* Identity list (assigned / playing screens) */
.identity-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.identity-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel-2);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
}

.identity-row.me {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.25) inset;
}

.identity-row.finished {
  opacity: 0.55;
}

.identity-row .identity-avatar {
  font-size: 1.3rem;
  flex-shrink: 0;
}

.identity-row .identity-body {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.identity-row .identity-name {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
}

.identity-row .identity-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.identity-row.me .identity-value {
  color: var(--accent);
  letter-spacing: 2px;
}

.identity-row .identity-tag {
  margin-left: auto;
  font-size: 0.72rem;
  color: var(--good);
  font-weight: 700;
  white-space: nowrap;
}

/* End screen */
.end-line {
  text-align: center;
  font-size: 1.1rem;
  background: var(--panel);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  margin: 0;
}

.end-line b {
  color: var(--accent);
}

/* Credit badge */
.credit {
  position: fixed;
  bottom: 14px;
  right: 14px;
  background: var(--panel);
  border: 2px solid var(--border);
  padding: 6px 14px;
  border-radius: 999px;
  font-family: var(--font-label);
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  z-index: 50;
  pointer-events: none;
  white-space: nowrap;
}

.credit b {
  color: var(--accent);
  font-weight: 700;
}

@media (max-width: 380px) {
  .room-code { font-size: 2rem; letter-spacing: 4px; }
}