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

:root {
  --green: #6aaa64;
  --yellow: #c9b458;
  --gray: #787c7e;
  --dark-gray: #3a3a3c;
  --light-gray: #d3d6da;
  --bg: #121213;
  --card-bg: #1a1a1b;
  --text: #ffffff;
  --accent: #a66cff;
  --match: #6aaa64;
  --no-match: #e74c3c;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Header */
header {
  width: 100%;
  max-width: 600px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--dark-gray);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.back-link {
  color: var(--gray);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.15s;
}

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

header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 2px;
}

.score-area {
  display: flex;
  align-items: center;
  gap: 6px;
}

.team-label {
  font-size: 0.85rem;
  color: var(--light-gray);
}

.team-score {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
}

/* Screens */
.screen {
  display: none;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 600px;
  padding: 20px;
}

.screen.active {
  display: flex;
}

/* Lobby */
#lobby {
  gap: 20px;
  text-align: center;
}

#lobby h2 {
  font-size: 1.3rem;
}

.lobby-desc {
  color: #888;
  font-size: 0.85rem;
  max-width: 400px;
}

.lobby-section {
  background: var(--card-bg);
  border: 1px solid var(--dark-gray);
  border-radius: 8px;
  padding: 20px;
  width: 100%;
}

.lobby-section h3 {
  margin-bottom: 12px;
  color: var(--accent);
}

.btn {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn:hover { opacity: 0.85; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-secondary { background: var(--gray); }

input[type="text"] {
  background: var(--dark-gray);
  border: 1px solid var(--gray);
  border-radius: 6px;
  padding: 10px 14px;
  color: white;
  font-size: 1rem;
  width: 100%;
  max-width: 300px;
  text-align: center;
  font-family: monospace;
}

input[type="text"]::placeholder { color: #666; }

.peer-id-display {
  font-family: monospace;
  font-size: 1.2rem;
  background: var(--dark-gray);
  padding: 10px 16px;
  border-radius: 6px;
  user-select: all;
  cursor: pointer;
  letter-spacing: 1px;
  margin: 8px 0;
  word-break: break-all;
}

.status-msg {
  font-size: 0.85rem;
  color: var(--yellow);
  min-height: 1.2em;
}

/* Game Screen */
#game-screen {
  gap: 12px;
}

.round-header {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--light-gray);
}

#streak-display {
  font-size: 0.85rem;
  color: var(--yellow);
}

/* Timer */
.timer-bar {
  width: 100%;
  max-width: 400px;
  height: 6px;
  background: var(--dark-gray);
  border-radius: 3px;
  overflow: hidden;
}

.timer-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.1s linear, background-color 0.5s;
  border-radius: 3px;
}

.timer-fill.warning { background: var(--yellow); }
.timer-fill.danger { background: #e74c3c; }

.timer-text {
  font-size: 0.85rem;
  color: var(--light-gray);
}

/* Prompt */
.prompt-area {
  text-align: center;
  margin: 16px 0;
}

.prompt-label {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.prompt-word {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  animation: promptIn 0.4s ease-out;
}

@keyframes promptIn {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

/* Answer input */
.answer-area {
  display: flex;
  gap: 10px;
  align-items: center;
  width: 100%;
  max-width: 400px;
}

.answer-area input[type="text"] {
  flex: 1;
  max-width: none;
  font-size: 1.2rem;
  padding: 14px 18px;
  text-align: left;
  font-family: inherit;
  border-radius: 8px;
}

.answer-area .btn {
  white-space: nowrap;
  padding: 14px 20px;
}

.status-text {
  font-size: 0.88rem;
  color: var(--gray);
  min-height: 1.4em;
  text-align: center;
}

/* Reveal Overlay */
.reveal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.90);
  z-index: 200;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 20px;
}

.reveal-overlay.active { display: flex; }

.reveal-prompt-label {
  font-size: 0.85rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.reveal-prompt-word {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 3px;
}

.reveal-answers {
  display: flex;
  align-items: center;
  gap: 24px;
  margin: 12px 0;
}

.reveal-player {
  text-align: center;
}

.reveal-who {
  font-size: 0.8rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.reveal-answer {
  font-size: 2rem;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: 10px;
  border: 2px solid var(--dark-gray);
  background: var(--card-bg);
  min-width: 140px;
  text-transform: lowercase;
  animation: answerReveal 0.5s ease-out;
}

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

.reveal-answer.match {
  border-color: var(--match);
  color: var(--match);
  animation: answerReveal 0.5s ease-out, matchPulse 0.6s ease-out 0.5s;
}

.reveal-answer.no-match {
  border-color: var(--no-match);
  color: var(--no-match);
}

@keyframes matchPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

.reveal-vs {
  font-size: 1rem;
  color: var(--gray);
  font-weight: 700;
}

.reveal-result {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.reveal-result.match {
  color: var(--match);
  animation: resultIn 0.6s ease-out;
}

.reveal-result.no-match {
  color: var(--no-match);
}

.reveal-result.timeout {
  color: var(--gray);
}

@keyframes resultIn {
  from { opacity: 0; transform: scale(0.5); }
  50% { transform: scale(1.15); }
  to { opacity: 1; transform: scale(1); }
}

/* Final Results */
.final-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 300;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 20px;
}

.final-overlay.active { display: flex; }

.final-overlay h2 {
  font-size: 2rem;
  letter-spacing: 2px;
}

.final-score-big {
  font-size: 4rem;
  font-weight: 800;
  color: var(--accent);
}

.final-verdict {
  font-size: 1.2rem;
  color: var(--light-gray);
  text-align: center;
  max-width: 360px;
}

.final-stat {
  font-size: 0.9rem;
  color: var(--gray);
}

.final-stat strong {
  color: var(--yellow);
}

/* Emoji bar */
.emoji-bar {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin: 4px 0;
}

.emoji-btn {
  background: var(--dark-gray);
  border: 1px solid var(--gray);
  border-radius: 6px;
  font-size: 1.3rem;
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
  transition: transform 0.1s, background 0.15s;
}

.emoji-btn:hover { background: #4a4a4c; transform: scale(1.2); }
.emoji-btn:active { transform: scale(0.9); }

/* Floating reaction */
.reaction-float {
  position: fixed;
  top: 40%;
  left: 50%;
  transform: translate(-50%, 0);
  font-size: 5rem;
  pointer-events: none;
  z-index: 500;
  animation: floatUp 1.4s ease-out forwards;
  user-select: none;
}

.reaction-float.mine {
  font-size: 3.5rem;
  top: 50%;
  left: 35%;
}

@keyframes floatUp {
  0%   { opacity: 1; transform: translate(-50%, 0) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -160px) scale(1.6); }
}

/* Chat */
.chat-panel {
  background: var(--card-bg);
  border: 1px solid var(--dark-gray);
  border-radius: 8px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  max-width: 400px;
}

.chat-header {
  font-size: 0.75rem;
  color: var(--light-gray);
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: center;
  font-weight: 600;
}

.chat-messages {
  height: 80px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 0.77rem;
  scrollbar-width: thin;
  scrollbar-color: var(--gray) transparent;
}

.chat-msg {
  color: var(--light-gray);
  word-break: break-word;
  line-height: 1.3;
}

.chat-msg.mine { text-align: right; }

.chat-who {
  font-weight: 700;
  color: var(--accent);
}

.chat-msg.mine .chat-who { color: var(--yellow); }

.chat-typing-indicator {
  font-size: 0.72rem;
  color: var(--gray);
  font-style: italic;
  padding: 0 2px;
  min-height: 1em;
}

.chat-input-row {
  display: flex;
  gap: 4px;
}

.chat-input-row input[type="text"] {
  max-width: none;
  flex: 1;
  font-size: 0.8rem;
  padding: 6px 8px;
  font-family: inherit;
}

.chat-input-row .btn {
  padding: 6px 10px;
  font-size: 1rem;
  min-width: unset;
}

/* Toast */
.toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: white;
  color: black;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 400;
  animation: toastIn 0.3s ease, toastOut 0.3s ease 1.5s forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

@keyframes toastOut {
  to { opacity: 0; transform: translateX(-50%) translateY(-10px); }
}

/* Responsive */
@media (max-width: 500px) {
  .prompt-word { font-size: 2.5rem; }
  .reveal-answer { font-size: 1.4rem; min-width: 100px; padding: 10px 16px; }
  .reveal-answers { gap: 12px; }
  .final-score-big { font-size: 3rem; }
}