:root {
  --bg: #f6f4ee;
  --bg-card: #fffdf8;
  --bg-surface: #ede9e0;
  --accent: #c1121f;
  --accent2: #b45309;
  --accent3: #0e7490;
  --text: #0b1220;
  --text-dim: #64748b;
  --success: #059669;
  --danger: #dc2626;
  --tile-bg: #e8e0d0;
  --tile-border: #c5bba8;
  --tile-selected: #c1121f;
  --radius: 12px;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ========== COMMON ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

h1 {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: 1.5rem;
  color: var(--accent2);
  font-weight: 700;
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  border: none;
  border-radius: var(--radius);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.1s, opacity 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn:active { transform: scale(0.95); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #c1121f);
  color: white;
}

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

.btn-success {
  background: linear-gradient(135deg, var(--accent3), #1a9a8e);
  color: white;
}

/* ========== TIMER ========== */
.timer {
  font-size: 4rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  text-align: center;
  color: var(--text);
}

.timer.warning { color: var(--accent2); }
.timer.danger { color: var(--danger); animation: pulse 0.5s infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ========== BOARD ========== */
.board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  max-width: 500px;
  width: 100%;
  margin: 0 auto;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

.tile {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 900;
  background: var(--tile-bg);
  border: 3px solid var(--tile-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
  text-transform: uppercase;
}

.tile.selected {
  background: var(--tile-selected);
  border-color: white;
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(193, 18, 31, 0.4);
}

.tile.adjacent {
  border-color: var(--accent2);
}

/* Host board - larger */
.host-board .tile {
  font-size: 3rem;
}

/* ========== SCOREBOARD ========== */
.scoreboard {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.player-card {
  background: var(--bg-surface);
  border-radius: var(--radius);
  padding: 1rem;
  min-width: 140px;
  text-align: center;
  transition: transform 0.2s;
}

.player-card.leader {
  border: 2px solid var(--accent2);
  box-shadow: 0 0 20px rgba(180, 83, 9, 0.2);
}

.player-name {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.player-score {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent2);
}

.player-words-count {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.player-words-count.word-count-bump {
  animation: wordCountBump 0.4s ease-out;
  color: var(--success);
}

@keyframes wordCountBump {
  0% { transform: scale(1); }
  40% { transform: scale(1.6); }
  100% { transform: scale(1); }
}

/* ========== WORD COUNT BAR (player) ========== */
.word-count-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  padding: 0.5rem 0;
}

.count-chip {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--bg-surface);
  border-radius: 20px;
  padding: 0.2rem 0.6rem;
  font-size: 0.85rem;
  color: var(--text);
}

.count-chip.me {
  background: var(--accent3);
  color: white;
}

.mini-avatar {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  flex-shrink: 0;
}

.count-label {
  max-width: 55px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.count-num {
  font-weight: 900;
  font-size: 1rem;
}

/* Round winner banner */
.round-winner-card {
  text-align: center;
  padding: 0.75rem 1.25rem;
  background: linear-gradient(135deg, #ffd700 0%, #ffb300 100%);
  color: #5a3a00;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.round-winner-card.is-me {
  animation: winnerPulse 0.6s ease-out;
}

@keyframes winnerPulse {
  0% { transform: scale(1); }
  40% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

/* ========== AVATAR ========== */
.avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  margin: 0 auto 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  border: 3px solid var(--tile-border);
  position: relative;
  overflow: hidden;
}

.avatar-large {
  width: 100px;
  height: 100px;
  font-size: 3rem;
}

.avatar-crown {
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.9rem;
  line-height: 1;
  z-index: 1;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.5));
}

.avatar img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.avatar-preview {
  width: 120px;
  height: 120px;
  font-size: 3.5rem;
  margin: 1rem auto;
}

/* ========== WORD LIST ========== */
.word-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.word-tag {
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
}

.word-tag.valid {
  background: rgba(6, 214, 160, 0.2);
  color: var(--success);
  border: 1px solid var(--success);
}

.word-tag.invalid {
  background: rgba(239, 71, 111, 0.2);
  color: var(--danger);
  border: 1px solid var(--danger);
  text-decoration: line-through;
}

.word-tag.shared {
  background: rgba(168, 178, 209, 0.2);
  color: var(--text-dim);
  border: 1px solid var(--text-dim);
  text-decoration: line-through;
}

.word-tag.common {
  background: rgba(46, 196, 182, 0.15);
  color: var(--accent3);
  border: 1px solid var(--accent3);
}

.word-tag .score {
  margin-left: 0.3rem;
  font-size: 0.75rem;
  opacity: 0.8;
}

/* ========== WORD INPUT ========== */
.word-input-area {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.word-input-area input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid var(--tile-border);
  border-radius: var(--radius);
  background: var(--bg-surface);
  color: var(--text);
  font-size: 1.2rem;
  font-weight: 600;
  text-transform: uppercase;
  outline: none;
}

.word-input-area input:focus {
  border-color: var(--accent);
}

/* ========== CURRENT WORD (path display) ========== */
.current-word {
  text-align: center;
  font-size: 2rem;
  font-weight: 900;
  min-height: 3rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent2);
}

/* ========== JOIN SCREEN ========== */
.join-screen {
  max-width: 400px;
  margin: 2rem auto;
  text-align: center;
}

.join-screen input[type="text"] {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--tile-border);
  border-radius: var(--radius);
  background: var(--bg-surface);
  color: var(--text);
  font-size: 1.3rem;
  font-weight: 700;
  text-align: center;
  outline: none;
  margin-bottom: 1rem;
}

.join-screen input[type="text"]:focus {
  border-color: var(--accent);
}

/* ========== AVATAR BUILDER ========== */
.avatar-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin: 0.75rem 0;
}

.avatar-option {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all 0.15s;
}

.avatar-option:hover { transform: scale(1.1); }
.avatar-option.selected { border-color: var(--accent); box-shadow: 0 0 10px rgba(193, 18, 31, 0.4); }

.color-option {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
}

.color-option:hover { transform: scale(1.15); }
.color-option.selected { border-color: #0b1220; box-shadow: 0 0 10px rgba(0,0,0,0.3); }

/* ========== HOST LAYOUT ========== */
.host-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.host-center {
  text-align: center;
}

.host-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ========== ROUND RESULTS ========== */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.result-card {
  background: var(--bg-surface);
  border-radius: var(--radius);
  padding: 1rem;
}

.result-card .name {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.result-card .round-score {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--accent2);
}

/* ========== LOBBY ========== */
.lobby-players {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  padding: 2rem 0;
}

.qr-area {
  text-align: center;
  padding: 1rem;
}

/* QR code image in host lobby */
.qr-code-img {
  display: block;
  width: 200px;
  height: 200px;
  margin: 0.5rem auto;
  border-radius: 8px;
  background: white;
  padding: 6px;
}

.join-url {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent3);
  word-break: break-all;
}

/* ========== PODIUM ========== */
.podium {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 1rem;
  padding: 2rem 0;
}

.podium-place {
  text-align: center;
  padding: 1rem;
  border-radius: var(--radius);
  background: var(--bg-surface);
}

.podium-place.first {
  order: 2;
  min-width: 160px;
  padding-bottom: 3rem;
  background: linear-gradient(180deg, rgba(180, 83, 9, 0.15), var(--bg-surface));
  border: 2px solid var(--accent2);
}

.podium-place.second {
  order: 1;
  min-width: 130px;
  padding-bottom: 2rem;
}

.podium-place.third {
  order: 3;
  min-width: 130px;
  padding-bottom: 1.5rem;
}

.podium-rank {
  font-size: 2rem;
  font-weight: 900;
}

.podium-rank.gold { color: #ffd700; }
.podium-rank.silver { color: #c0c0c0; }
.podium-rank.bronze { color: #cd7f32; }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .host-layout {
    grid-template-columns: 1fr;
  }

  h1 { font-size: 1.8rem; }
  .timer { font-size: 3rem; }
  .host-board .tile { font-size: 2rem; }

  .tile { font-size: 1.5rem; }
  .board { gap: 6px; max-width: none; }
}

/* ========== TOAST ========== */
.toast-container {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
}

.toast {
  padding: 0.5rem 1.5rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  animation: toastIn 0.3s ease-out;
}

.toast.success { background: var(--success); color: #000; }
.toast.error { background: var(--danger); color: #fff; }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== PHASE SCREENS ========== */
.screen { display: none; }
.screen.active { display: block; }

.waiting-msg {
  text-align: center;
  font-size: 1.3rem;
  color: var(--text-dim);
  padding: 3rem 1rem;
}

/* ========== SCORING ANIMATION ========== */
.scoring-players {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.scoring-player-card {
  background: var(--bg-surface);
  border-radius: var(--radius);
  padding: 1rem;
  min-width: 120px;
  text-align: center;
  position: relative;
}

.scoring-player-score {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent2);
  font-variant-numeric: tabular-nums;
}

.score-float-container {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}

.score-float {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--success);
  animation: floatUp 1.2s ease-out forwards;
  white-space: nowrap;
}

@keyframes floatUp {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  70% { opacity: 1; }
  100% { opacity: 0; transform: translateX(-50%) translateY(-60px); }
}

.scoring-phase-label {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  padding: 1rem 0 0.75rem;
  color: var(--accent2);
}

.scoring-words {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  min-height: 3rem;
  padding: 0 1rem;
}

.fade-in {
  animation: fadeIn 0.4s ease-out;
}

.pop-in {
  animation: popIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes popIn {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}