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

body {
  background: #0a0a1a;
  color: #fff;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  overflow: hidden;
  width: 100vw;
  height: 100vh;
}

.hidden { display: none !important; }

/* MENU SCREEN */
#menu-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0a0a2e 0%, #1a0a3e 50%, #0a1a2e 100%);
}

.menu-container {
  text-align: center;
  max-width: 900px;
  padding: 20px;
}

.game-title {
  font-size: 4rem;
  font-weight: 900;
  color: #ff6b35;
  text-shadow: 0 0 30px rgba(255,107,53,0.5), 0 4px 0 #c44d1a;
  letter-spacing: 4px;
  margin-bottom: 5px;
}

.game-title span {
  color: #ffd700;
  text-shadow: 0 0 30px rgba(255,215,0,0.5), 0 4px 0 #b8960f;
}

.subtitle {
  font-size: 1.2rem;
  color: #aaa;
  margin-bottom: 30px;
  text-transform: uppercase;
  letter-spacing: 3px;
}

.brawler-select {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.brawler-card {
  background: rgba(255,255,255,0.05);
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 20px;
  width: 240px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.brawler-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.08);
}

.brawler-card.selected {
  border-color: #ffd700;
  background: rgba(255,215,0,0.1);
  box-shadow: 0 0 30px rgba(255,215,0,0.2);
  transform: translateY(-8px);
}

.brawler-preview {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 15px;
  position: relative;
}

.tank-color {
  background: radial-gradient(circle at 35% 35%, #ff6b6b, #c0392b);
  box-shadow: 0 0 20px rgba(192,57,43,0.5);
}

.sniper-color {
  background: radial-gradient(circle at 35% 35%, #a29bfe, #6c5ce7);
  box-shadow: 0 0 20px rgba(108,92,231,0.5);
}

.fighter-color {
  background: radial-gradient(circle at 35% 35%, #55efc4, #00b894);
  box-shadow: 0 0 20px rgba(0,184,148,0.5);
}

.brawler-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.brawler-stats {
  margin-bottom: 12px;
}

.stat {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  font-size: 0.7rem;
}

.stat span {
  width: 30px;
  text-align: right;
  color: #888;
  font-weight: 600;
}

.stat-bar {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  overflow: hidden;
}

.stat-fill {
  height: 100%;
  background: linear-gradient(90deg, #ffd700, #ff6b35);
  border-radius: 3px;
  transition: width 0.3s;
}

.brawler-desc {
  font-size: 0.75rem;
  color: #888;
  line-height: 1.4;
}

.start-button {
  padding: 15px 50px;
  font-size: 1.2rem;
  font-weight: 700;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: all 0.3s;
  background: linear-gradient(135deg, #555, #333);
  color: #777;
}

.start-button:not(:disabled) {
  background: linear-gradient(135deg, #ffd700, #ff6b35);
  color: #000;
  box-shadow: 0 4px 20px rgba(255,107,53,0.4);
}

.start-button:not(:disabled):hover {
  transform: scale(1.05);
  box-shadow: 0 6px 30px rgba(255,107,53,0.6);
}

/* GAME HUD */
#game-hud {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
}

.hud-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 15px 20px;
}

.player-info {
  background: rgba(0,0,0,0.6);
  border-radius: 12px;
  padding: 10px 15px;
  backdrop-filter: blur(10px);
  min-width: 200px;
}

.player-name {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 5px;
}

.health-bar-container {
  position: relative;
  height: 20px;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  overflow: hidden;
}

.health-bar {
  height: 100%;
  background: linear-gradient(90deg, #2ecc71, #27ae60);
  border-radius: 10px;
  transition: width 0.3s;
  width: 100%;
}

.health-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}

.game-timer {
  background: rgba(0,0,0,0.6);
  border-radius: 12px;
  padding: 10px 20px;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 2px;
  backdrop-filter: blur(10px);
}

.score-board {
  background: rgba(0,0,0,0.6);
  border-radius: 12px;
  padding: 10px 15px;
  text-align: center;
  backdrop-filter: blur(10px);
}

.score-label {
  display: block;
  font-size: 0.7rem;
  color: #888;
  letter-spacing: 1px;
}

.score-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffd700;
}

.hud-bottom {
  position: absolute;
  bottom: 15px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 10px;
}

.ammo-display {
  display: flex;
  gap: 6px;
}

.ammo-pip {
  width: 40px;
  height: 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.15);
  overflow: hidden;
}

.ammo-pip.filled {
  background: #ffd700;
  box-shadow: 0 0 8px rgba(255,215,0,0.5);
}

.ammo-pip.charging .ammo-fill {
  height: 100%;
  background: #ffd700;
  border-radius: 4px;
  animation: charge 1.5s linear;
}

@keyframes charge {
  from { width: 0; }
  to { width: 100%; }
}

.controls-hint {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 1px;
}

/* GAME OVER */
#gameover-screen {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(10px);
}

.gameover-container {
  text-align: center;
}

#gameover-title {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 30px;
  color: #ff6b35;
  text-shadow: 0 0 20px rgba(255,107,53,0.5);
}

#gameover-title.victory {
  color: #ffd700;
  text-shadow: 0 0 20px rgba(255,215,0,0.5);
}

.gameover-stats {
  display: flex;
  gap: 30px;
  justify-content: center;
  margin-bottom: 30px;
}

.go-stat {
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
  padding: 15px 25px;
}

.go-stat span {
  display: block;
  font-size: 0.8rem;
  color: #888;
  margin-bottom: 5px;
}

.go-stat strong {
  font-size: 1.5rem;
  color: #ffd700;
}

/* GAME CONTAINER */
#game-container {
  position: fixed;
  inset: 0;
  z-index: 1;
}

#game-container canvas {
  display: block;
}

/* FLOATING DAMAGE */
.damage-number {
  position: fixed;
  font-size: 1.2rem;
  font-weight: 900;
  color: #ff4444;
  text-shadow: 0 0 5px rgba(0,0,0,0.8);
  pointer-events: none;
  z-index: 60;
  animation: floatUp 0.8s ease-out forwards;
}

.damage-number.heal {
  color: #2ecc71;
}

@keyframes floatUp {
  0% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(-40px) scale(1.3); }
}