/* ===== ROOT & RESET ===== */
:root {
  --bg-dark: #0a0a1a;
  --bg-card: #111128;
  --bg-panel: #0d0d20;
  --border: #2a2a4a;
  --accent: #f0c040;
  --accent2: #7c3aed;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #d97706;
  --text: #e8e8f0;
  --text-muted: #8888aa;
  --cell-size: 56px;
  --cell-gap: 1px;

  /* Element colors */
  --el-fogo: #ff4500;
  --el-agua: #1e90ff;
  --el-planta: #32cd32;
  --el-eletrico: #ffd700;
  --el-terra: #8b4513;
  --el-vento: #87ceeb;
  --el-luz: #fffacd;
  --el-trevas: #6a0dad;
  --el-metal: #708090;
  --el-veneno: #9acd32;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { width: 100%; height: 100%; overflow: hidden; }
body {
  background: var(--bg-dark);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
}

/* ===== SCREENS ===== */
.screen { display: none; width: 100%; height: 100vh; flex-direction: column; }
.screen.active { display: flex; }

/* ===== LOGIN ===== */
.login-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 40px;
  background: radial-gradient(ellipse at 50% 60%, #1a1a3a 0%, #0a0a1a 70%);
}

.logo {
  display: flex;
  align-items: center;
  gap: 20px;
}

.logo h1 {
  font-size: 64px;
  font-weight: 900;
  text-align: center;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--accent);
  text-shadow: 0 0 30px #f0c04080, 0 0 60px #f0c04040;
}

.logo h1 span {
  font-size: 72px;
  color: #fff;
  text-shadow: 0 0 20px #ffffff60;
}

.logo-fire, .logo-water { font-size: 48px; animation: float 3s ease-in-out infinite; }
.logo-water { animation-delay: 1.5s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 320px;
}

.login-form input {
  width: 100%;
  padding: 14px 20px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 16px;
  text-align: center;
  transition: border-color 0.2s;
}

.login-form input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ===== BUTTONS ===== */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
  transition: all 0.15s;
  letter-spacing: 0.5px;
}

.btn:hover { filter: brightness(1.15); transform: translateY(-1px); }
.btn:active { transform: translateY(0); filter: brightness(0.9); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; filter: none; }

.btn-primary { background: var(--accent); color: #111; }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-large { padding: 14px 32px; font-size: 16px; width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-action { background: #1e3a5f; color: #7dd3fc; border: 1px solid #3b82f6; }
.btn-special-action { background: #3b1f5f; color: #c084fc; border: 1px solid #7c3aed; }

.hidden { display: none !important; }

/* ===== HEADER ===== */
.game-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 20px;
  background: var(--bg-card);
  border-bottom: 2px solid var(--border);
  flex-shrink: 0;
}

.header-logo {
  font-size: 18px;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: 2px;
  white-space: nowrap;
}

.header-info { color: var(--text-muted); font-size: 13px; }
.header-player { color: var(--accent); font-weight: 700; margin-left: auto; }

/* ===== LOBBY ===== */
.lobby-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 24px;
  flex: 1;
  overflow-y: auto;
}

.lobby-container h2 { margin-bottom: 16px; color: var(--accent); }

.room-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 200px;
}

.room-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  gap: 12px;
}

.room-item:hover { border-color: var(--accent); }
.room-code { font-family: monospace; font-size: 18px; font-weight: 700; color: var(--accent); }
.room-players { color: var(--text-muted); font-size: 13px; }
.no-rooms { color: var(--text-muted); text-align: center; padding: 40px; }

.lobby-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.how-to-play {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.how-to-play p { line-height: 1.5; font-size: 13px; color: var(--text-muted); }
.how-to-play strong { color: var(--text); }

/* ===== WAITING ROOM ===== */
.waiting-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 40px;
  flex: 1;
}

.waiting-container h2 { color: var(--accent); }

.waiting-players {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.waiting-player {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 30px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 12px;
  min-width: 120px;
}

.waiting-player.ready { border-color: var(--success); }
.waiting-player .player-avatar { font-size: 32px; }
.waiting-player .player-name { font-weight: 700; font-size: 14px; }
.waiting-player .player-status { font-size: 12px; color: var(--text-muted); }
.waiting-player.ready .player-status { color: var(--success); }

.waiting-info { color: var(--text-muted); text-align: center; }

/* ===== SELECTION ===== */
.selection-container {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 20px;
  padding: 16px;
  flex: 1;
  overflow: hidden;
}

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

.gogo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
  overflow-y: auto;
  max-height: calc(100vh - 120px);
  padding-right: 4px;
}

.gogo-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
}

.gogo-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.gogo-card.selected { border-color: var(--success); background: #0d2015; }
.gogo-card.disabled { opacity: 0.4; cursor: not-allowed; }

.gogo-card .gogo-emoji { font-size: 36px; display: block; text-align: center; margin-bottom: 6px; }
.gogo-card .gogo-name { font-size: 11px; font-weight: 700; text-align: center; color: var(--text); }
.gogo-card .gogo-element { font-size: 10px; text-align: center; margin-top: 4px; }
.gogo-card .gogo-stats { font-size: 10px; color: var(--text-muted); margin-top: 6px; }
.gogo-card .gogo-stats span { display: block; }

.gogo-card .gogo-num {
  position: absolute;
  top: 4px;
  right: 6px;
  font-size: 10px;
  color: var(--text-muted);
}

.team-slots {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.team-slot {
  padding: 10px 14px;
  background: var(--bg-card);
  border: 2px dashed var(--border);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  min-height: 48px;
}

.team-slot.filled {
  border-style: solid;
  border-color: var(--success);
  color: var(--text);
}

.team-slot:hover.filled { border-color: var(--danger); }

.selection-panel-info {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 12px;
  font-size: 12px;
  min-height: 60px;
  color: var(--text-muted);
}

.ready-status {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
  font-size: 12px;
}

.ready-status .player-ready-item { color: var(--success); }
.ready-status .player-waiting-item { color: var(--text-muted); }

/* ===== GAME ===== */
.game-layout {
  display: grid;
  grid-template-columns: 200px 1fr 240px;
  gap: 0;
  flex: 1;
  overflow: hidden;
}

.game-left {
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px;
}

.game-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 12px;
  overflow: auto;
  background: #060610;
}

.game-right {
  background: var(--bg-panel);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Turn indicator */
.turn-indicator {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  margin-left: auto;
}

.current-player-indicator {
  font-size: 14px;
  color: var(--success);
  font-weight: 600;
}

/* ===== BOARD ===== */
#board-container {
  position: relative;
  display: inline-block;
}

#game-canvas {
  display: block;
  image-rendering: pixelated;
}

#board-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

/* ===== ACTION BAR ===== */
.action-bar {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ===== PLAYER PANELS (LEFT) ===== */
.player-panel {
  margin-bottom: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.player-panel.active-player { border-color: var(--accent); }

.player-panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-card);
  font-size: 12px;
  font-weight: 700;
}

.player-panel.active-player .player-panel-header { background: #1a1500; color: var(--accent); }

.player-color-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.unit-list { padding: 6px; display: flex; flex-direction: column; gap: 4px; }

.unit-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  transition: background 0.1s;
}

.unit-item:hover { background: var(--bg-card); }
.unit-item.selected { background: #1a1500; }
.unit-item.dead { opacity: 0.3; text-decoration: line-through; cursor: default; }

.unit-emoji { font-size: 16px; flex-shrink: 0; }

.unit-hp-bar {
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.unit-hp-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.3s;
}

/* ===== INFO PANEL (RIGHT) ===== */
.info-panel {
  padding: 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.info-placeholder {
  color: var(--text-muted);
  text-align: center;
  padding: 20px;
  font-size: 13px;
}

.info-gogo-name {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}

.info-element {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 10px;
  font-weight: 600;
}

.info-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 10px;
}

.info-stat {
  background: var(--bg-card);
  border-radius: 4px;
  padding: 6px 8px;
  font-size: 12px;
}

.info-stat .stat-label { color: var(--text-muted); font-size: 10px; }
.info-stat .stat-value { font-weight: 700; color: var(--accent); }

.info-hp-bar {
  width: 100%;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 4px;
}

.info-hp-fill { height: 100%; background: var(--success); transition: width 0.3s; border-radius: 4px; }
.info-hp-text { font-size: 11px; color: var(--text-muted); margin-bottom: 10px; }

.info-special {
  background: var(--bg-card);
  border: 1px solid var(--accent2);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 12px;
}

.info-special-name { font-weight: 700; color: #c084fc; margin-bottom: 3px; }
.info-special-desc { color: var(--text-muted); font-size: 11px; }

.info-weakness {
  margin-top: 8px;
  font-size: 11px;
  color: var(--danger);
}

.info-status {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.status-badge {
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 10px;
  font-weight: 700;
}

.status-BURN { background: #7f1d1d; color: #fca5a5; }
.status-POISON { background: #14532d; color: #86efac; }
.status-FROZEN { background: #1e3a5f; color: #7dd3fc; }
.status-INVISIBLE { background: #1f1f3d; color: #a5b4fc; }
.status-REGEN { background: #14532d; color: #86efac; }

/* ===== BATTLE LOG ===== */
.log-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 10px;
}

.log-panel h4 { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }

#battle-log {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.log-entry {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
  padding: 2px 4px;
  border-radius: 2px;
}

.log-entry.important { color: var(--accent); }
.log-entry.damage { color: #fca5a5; }
.log-entry.heal { color: #86efac; }
.log-entry.kill { color: var(--danger); font-weight: 700; }
.log-entry.new-turn { color: var(--text-muted); border-top: 1px solid var(--border); padding-top: 4px; margin-top: 2px; }

/* ===== GAME OVER ===== */
.gameover-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 20px;
  background: radial-gradient(ellipse at center, #1a1a2e 0%, #0a0a1a 70%);
}

.gameover-icon { font-size: 80px; animation: bounce 1s ease-in-out infinite alternate; }
@keyframes bounce { to { transform: scale(1.1) translateY(-8px); } }

.gameover-container h1 { font-size: 48px; color: var(--accent); text-align: center; }
.gameover-container p { font-size: 20px; color: var(--text-muted); text-align: center; }

/* ===== MODAL ===== */
.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  max-width: 400px;
  width: 90%;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 10px; right: 14px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
}

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 12px 24px;
  font-size: 14px;
  color: var(--text);
  z-index: 2000;
  animation: fadeIn 0.2s ease;
}

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

/* ===== ELEMENT COLORS ===== */
.el-FOGO { color: var(--el-fogo); }
.el-ÁGUA { color: var(--el-agua); }
.el-PLANTA { color: var(--el-planta); }
.el-ELÉTRICO { color: var(--el-eletrico); }
.el-TERRA { color: var(--el-terra); }
.el-VENTO { color: var(--el-vento); }
.el-LUZ { color: var(--el-luz); }
.el-TREVAS { color: var(--el-trevas); }
.el-METAL { color: var(--el-metal); }
.el-VENENO { color: var(--el-veneno); }

.bg-el-FOGO { background: var(--el-fogo); }
.bg-el-ÁGUA { background: var(--el-agua); }
.bg-el-PLANTA { background: var(--el-planta); }
.bg-el-ELÉTRICO { background: var(--el-eletrico); }
.bg-el-TERRA { background: var(--el-terra); }
.bg-el-VENTO { background: var(--el-vento); }
.bg-el-LUZ { background: var(--el-luz); }
.bg-el-TREVAS { background: var(--el-trevas); }
.bg-el-METAL { background: var(--el-metal); }
.bg-el-VENENO { background: var(--el-veneno); }

/* ===== SCROLLBARS ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .game-layout { grid-template-columns: 160px 1fr 200px; }
  :root { --cell-size: 46px; }
}

@media (max-width: 800px) {
  .game-layout { grid-template-columns: 1fr; }
  .game-left, .game-right { display: none; }
  .lobby-container { grid-template-columns: 1fr; }
}