/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-dark:     #1a0a00;
  --bg-mid:      #2d1200;
  --bg-panel:    #3d1a00;
  --accent-gold: #c8a96e;
  --accent-brown:#8b4513;
  --draw-yellow: #f1c40f;
  --danger-red:  #c0392b;
  --win-green:   #27ae60;
  --text-light:  #f5e6d0;
  --border:      #6b3a1f;
}

html, body {
  height: 100%;
  font-family: 'Georgia', 'Times New Roman', serif;
  background: var(--bg-dark);
  color: var(--accent-gold);
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

/* ===== SCREEN MANAGEMENT ===== */
.screen {
  display: none;
  position: fixed;
  inset: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  gap: 16px;
}
.screen.active {
  display: flex;
}

/* ===== TITLE SCREEN ===== */
.game-title {
  font-size: clamp(3rem, 12vw, 6rem);
  font-weight: 900;
  text-align: center;
  line-height: 0.9;
  color: var(--draw-yellow);
  text-shadow:
    0 0 20px rgba(241, 196, 15, 0.6),
    0 0 60px rgba(241, 196, 15, 0.2),
    3px 3px 0 var(--accent-brown);
  letter-spacing: 0.1em;
}

.subtitle {
  font-size: clamp(0.8rem, 3vw, 1.1rem);
  color: var(--accent-gold);
  letter-spacing: 0.3em;
  opacity: 0.8;
}

#name-section {
  width: 100%;
  max-width: 320px;
}

input[type="text"] {
  width: 100%;
  background: var(--bg-mid);
  border: 2px solid var(--border);
  border-radius: 4px;
  color: var(--text-light);
  font-family: inherit;
  font-size: 1.1rem;
  padding: 10px 14px;
  text-align: center;
  outline: none;
  transition: border-color 0.2s;
}
input[type="text"]:focus {
  border-color: var(--accent-gold);
}
input[type="text"]::placeholder {
  color: var(--border);
  opacity: 0.8;
}

#title-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 320px;
}

.divider {
  color: var(--border);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
}

#join-section {
  display: flex;
  gap: 8px;
  width: 100%;
}
#input-join-code {
  flex: 1;
  font-size: 1.4rem;
  letter-spacing: 0.3em;
  font-weight: bold;
  text-transform: uppercase;
}

/* ===== BUTTONS ===== */
.btn-primary, .btn-secondary {
  font-family: inherit;
  font-size: 1rem;
  font-weight: bold;
  letter-spacing: 0.2em;
  border: none;
  border-radius: 4px;
  padding: 12px 24px;
  cursor: pointer;
  transition: all 0.15s;
  text-transform: uppercase;
  width: 100%;
}

.btn-primary {
  background: var(--accent-brown);
  color: var(--draw-yellow);
  border: 2px solid var(--accent-gold);
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-gold);
  color: var(--bg-dark);
}
.btn-primary:active:not(:disabled) {
  transform: scale(0.97);
}
.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--accent-gold);
  border: 2px solid var(--border);
}
.btn-secondary:hover:not(:disabled) {
  border-color: var(--accent-gold);
}
.btn-secondary:active:not(:disabled) {
  transform: scale(0.97);
}

.error-msg {
  color: var(--danger-red);
  font-size: 0.9rem;
  min-height: 1.2em;
  text-align: center;
}

/* ===== LOBBY SCREEN ===== */
.room-code-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 12px 32px;
  background: var(--bg-mid);
}
.room-code-label {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  opacity: 0.6;
}
.room-code-value {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: 0.4em;
  color: var(--draw-yellow);
}

.lobby-players {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
  max-width: 480px;
}

.lobby-player {
  flex: 1;
  text-align: center;
  background: var(--bg-panel);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}
.lobby-player-name {
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--text-light);
  margin-bottom: 6px;
  min-height: 1.4em;
}
.lobby-player-status {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  opacity: 0.7;
}
.lobby-player.ready .lobby-player-status {
  color: var(--win-green);
}

.lobby-vs {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--border);
  flex-shrink: 0;
}

#btn-ready {
  max-width: 240px;
}
#btn-ready.is-ready {
  background: var(--win-green);
  border-color: var(--win-green);
  color: #fff;
}

.status-msg {
  font-size: 0.85rem;
  color: var(--accent-gold);
  letter-spacing: 0.1em;
  opacity: 0.8;
  min-height: 1.2em;
  text-align: center;
}

/* ===== DUEL SCREEN ===== */
#score-bar {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 2rem;
  font-weight: 900;
  color: var(--draw-yellow);
}
.score-sep {
  color: var(--border);
  font-size: 1.5rem;
}

#round-label {
  position: absolute;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  opacity: 0.6;
  white-space: nowrap;
}

#duel-arena {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0;
  width: 100%;
  max-width: 800px;
  height: 100%;
  max-height: 480px;
  margin-top: 60px;
}

.player-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 100%;
  padding: 20px 12px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  transition: background 0.3s, border-color 0.3s;
}
.player-panel.win {
  background: rgba(39, 174, 96, 0.15);
  border-color: var(--win-green);
}
.player-panel.lose {
  background: rgba(192, 57, 43, 0.1);
  border-color: var(--danger-red);
}
.player-panel.false-start {
  animation: shake 0.4s ease;
  background: rgba(192, 57, 43, 0.2);
  border-color: var(--danger-red);
}

.panel-name {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  opacity: 0.8;
  text-transform: uppercase;
}

.revolver {
  font-size: clamp(2.5rem, 8vw, 4rem);
  line-height: 1;
  transition: transform 0.15s;
}
.revolver.flip {
  transform: scaleX(-1);
}
.player-panel.win .revolver {
  animation: gun-recoil 0.3s ease;
}

.draw-btn {
  width: 100%;
  max-width: 140px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--bg-mid);
  border: 3px solid var(--border);
  color: var(--accent-gold);
  font-family: inherit;
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.draw-btn:not(:disabled):active {
  transform: scale(0.92);
}
.draw-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.draw-btn.active {
  border-color: var(--draw-yellow);
  color: var(--draw-yellow);
  background: rgba(241, 196, 15, 0.08);
  box-shadow: 0 0 20px rgba(241, 196, 15, 0.3);
  animation: pulse-btn 0.8s ease-in-out infinite;
}

.opponent-indicator {
  cursor: default;
  opacity: 0.5;
}

.reaction-time {
  font-size: 1.1rem;
  font-weight: bold;
  min-height: 1.4em;
  color: var(--accent-gold);
  letter-spacing: 0.05em;
}

/* ===== DUEL CENTER ===== */
#duel-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: clamp(120px, 20vw, 200px);
  flex-shrink: 0;
  position: relative;
}

.center-text {
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  text-align: center;
  opacity: 0.8;
}
.center-text.hidden {
  display: none;
}

#center-countdown {
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 900;
  color: var(--text-light);
  text-shadow: 0 0 20px rgba(255,255,255,0.4);
  line-height: 1;
}

#draw-signal {
  font-size: clamp(2rem, 8vw, 3.5rem);
  font-weight: 900;
  color: var(--draw-yellow);
  text-shadow:
    0 0 15px rgba(241, 196, 15, 0.9),
    0 0 40px rgba(241, 196, 15, 0.5);
  letter-spacing: 0.05em;
  animation: pulse-draw 0.5s ease-in-out infinite;
  text-align: center;
}
#draw-signal.hidden {
  display: none;
}

#round-result-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}
#round-result-overlay.hidden {
  display: none;
}

#round-winner-label {
  font-size: clamp(0.9rem, 3vw, 1.2rem);
  font-weight: bold;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
#round-times {
  font-size: 0.75rem;
  opacity: 0.7;
  letter-spacing: 0.05em;
}

/* ===== GAME OVER SCREEN ===== */
#gameover-title {
  font-size: clamp(2rem, 8vw, 3.5rem);
  font-weight: 900;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
}

#match-winner-display {
  font-size: clamp(1.2rem, 5vw, 2rem);
  font-weight: bold;
  text-align: center;
  min-height: 2em;
}

#final-score-display {
  font-size: 1.5rem;
  letter-spacing: 0.3em;
  color: var(--accent-gold);
  border: 2px solid var(--border);
  padding: 8px 24px;
  border-radius: 6px;
}

.gameover-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  max-width: 280px;
}

/* ===== DISCONNECT TOAST ===== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--danger-red);
  color: #fff;
  padding: 12px 24px;
  border-radius: 6px;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  z-index: 1000;
}
.toast.hidden {
  display: none;
}

/* ===== ANIMATIONS ===== */
@keyframes pulse-draw {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}

@keyframes pulse-btn {
  0%, 100% { box-shadow: 0 0 20px rgba(241, 196, 15, 0.3); }
  50% { box-shadow: 0 0 35px rgba(241, 196, 15, 0.7); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(5px); }
}

@keyframes gun-recoil {
  0% { transform: rotate(0deg); }
  30% { transform: rotate(-20deg); }
  100% { transform: rotate(0deg); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 520px) {
  #duel-arena {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto 1fr;
    max-height: none;
  }
  #duel-center {
    width: 100%;
    padding: 8px 0;
  }
  .revolver.flip {
    transform: none;
  }
}