/* ======================================
   Wordle — Estilos del juego
   ====================================== */

:root {
  --bg: #0d1117;
  --card: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --green: #6aaa64;
  --yellow: #c9b458;
  --gray: #787c7e;
  --key-bg: #818384;
  --key-hover: #934d4d;
  --key-text: #fff;
  --overlay-bg: rgba(0,0,0,0.85);
}

* { 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;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 70px;
}

/* ========== GAME CONTAINER ========== */
.game-container {
  width: 100%;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 10px;
}

/* ========== HEADER ========== */
.wordle-header {
  text-align: center;
  width: 100%;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}

.wordle-header h1 {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.wordle-header .lang-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--green);
  background: rgba(106,170,100,0.15);
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 8px;
  vertical-align: middle;
}

/* ========== MODE SELECTOR ========== */
.mode-selector {
  display: flex;
  gap: 8px;
  margin: 4px 0 8px;
}

.mode-btn {
  padding: 6px 16px;
  border: 2px solid var(--border);
  border-radius: 20px;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  touch-action: manipulation;
}

.mode-btn:hover {
  border-color: var(--green);
  color: var(--text);
}

.mode-btn.active {
  border-color: var(--green);
  background: rgba(106,170,100,0.15);
  color: var(--green);
}

/* ========== STATS BAR ========== */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 20px;
  width: 100%;
  margin: 4px 0 8px;
  font-size: 0.8rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-label {
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.stat-value {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--green);
}

/* ========== BOARD ========== */
#game-board {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5px;
  width: 100%;
  max-width: 330px;
  margin: 4px auto;
}

.tile {
  aspect-ratio: 1;
  border: 2px solid var(--border);
  border-radius: 4px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.8rem;
  font-weight: 700;
  text-transform: uppercase;
  background: transparent;
  color: var(--text);
  transition: none;
  animation: none;
}

.tile.filled {
  border-color: var(--text-muted);
  animation: pop-in 0.08s ease forwards;
}

.tile.current-row .tile.filled {
  border-color: var(--text-muted);
}

/* Animaciones */
@keyframes pop-in {
  0% { transform: scale(0.85); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes flip {
  0% { transform: rotateX(0); }
  50% { transform: rotateX(90deg); }
  100% { transform: rotateX(0); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

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

.tile.flipping {
  animation: flip 0.4s ease forwards;
}

.tile.shaking {
  animation: shake 0.4s ease;
}

.tile.bouncing {
  animation: bounce 0.4s ease;
}

/* Estados de color */
.tile.correct {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

.tile.present {
  background: var(--yellow);
  border-color: var(--yellow);
  color: #fff;
}

.tile.absent {
  background: var(--gray);
  border-color: var(--gray);
  color: #fff;
}

.tile.reveal-green {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

.tile.reveal-gray {
  background: var(--gray);
  border-color: var(--gray);
  color: #fff;
}

/* ========== VIRTUAL KEYBOARD ========== */
#keyboard {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  width: 100%;
  max-width: 500px;
  user-select: none;
}

.keyboard-row {
  display: flex;
  gap: 4px;
  justify-content: center;
  width: 100%;
}

.key {
  min-width: 32px;
  height: 50px;
  border: none;
  border-radius: 4px;
  background: var(--key-bg);
  color: var(--key-text);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  flex: 1;
  max-width: 44px;
  transition: background 0.15s;
  text-transform: uppercase;
  touch-action: manipulation;
}

.key:hover { background: #934d4d; }
.key:active { transform: translateY(1px); }

.key.wide {
  flex: 1.5;
  max-width: 65px;
  font-size: 0.75rem;
}

.key.correct { background: var(--green); }
.key.present { background: var(--yellow); }
.key.absent { background: #3a3a3c; }

/* ========== MESSAGE ========== */
#message {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 24px;
  font-weight: 600;
  z-index: 100;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  text-align: center;
}

#message.show {
  opacity: 1;
}

/* ========== OVERLAY / MODAL ========== */
.overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--overlay-bg);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 1;
  transition: opacity 0.3s;
}

.overlay.hidden { display: none; }

.modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 22px;
  max-width: 380px;
  width: 90%;
  text-align: center;
  animation: slide-up 0.35s ease;
}

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

.modal h2 {
  margin-bottom: 8px;
  font-size: 1.4rem;
}

.modal .subtitle {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 0.85rem;
}

/* Stats dentro del modal */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.stat-card {
  background: rgba(255,255,255,0.05);
  border-radius: 8px;
  padding: 10px 4px;
}

.stat-card .number {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text);
}

.stat-card .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Distribution */
.dist-container {
  margin: 12px 0 16px;
}

.dist-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 3px;
  font-size: 0.8rem;
}

.dist-bar {
  height: 18px;
  background: var(--green);
  border-radius: 3px;
  min-width: 20px;
  display: flex;
  align-items: center;
  padding: 0 6px;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  transition: width 0.4s ease;
}

.dist-bar.empty {
  background: var(--gray);
  min-width: 20px;
  width: 20px;
}

/* Emoji grid */
.emoji-grid {
  font-family: 'Segoe UI', monospace;
  font-size: 1.1rem;
  line-height: 1.4;
  margin: 12px 0;
  letter-spacing: 2px;
}

/* Modal buttons */
.modal-btn {
  background: var(--green);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s;
  margin: 4px;
  min-width: 100px;
}

.modal-btn:hover { background: #5a9a54; }

.modal-btn.secondary {
  background: transparent;
  border: 2px solid var(--border);
  color: var(--text);
}

.modal-btn.secondary:hover {
  background: rgba(255,255,255,0.05);
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
}

.toast {
  background: var(--green);
  color: #fff;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  animation: fade-in 0.3s ease;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .stats-bar,
  .stat-label,
  .mode-btn,
  .key,
  .key.wide,
  .dist-row,
  .dist-bar,
  .stat-card .label {
    font-size: 0.75rem;
  }

  .key,
  .modal-btn,
  .mode-btn {
    min-height: 44px;
  }
}

@media (max-width: 480px) {
  .game-container { padding: 6px; gap: 4px; }
  .wordle-header h1 { font-size: 1.4rem; }
  .tile { font-size: 1.4rem; }
  .key { min-width: 26px; height: 44px; font-size: 0.75rem; max-width: 36px; }
  .key.wide { max-width: 52px; font-size: 0.75rem; }
  #game-board { max-width: 280px; gap: 4px; }
  .stats-bar { gap: 12px; }
  .modal { padding: 20px 16px; }
}