:root {
  --bg-main: #fcf6ed;
  --bg-card: #ffffff;
  --text-main: #3d2b1f;
  --text-muted: #7c6252;
  --primary-warm: #d96b27;
  --primary-dark: #b85016;
  --warm-accent: #f8be78;
  --border-color: #e5d4c0;
  
  --color-correct: #2e7d32;   /* Verde */
  --color-present: #e6a100;   /* Giallo */
  --color-absent: #d32f2f;    /* Rosso */
  --color-empty: #e2d2c1;
  --key-bg: #eddcd0;
  --key-text: #3d2b1f;

  --font-heading: 'Fredoka', sans-serif;
  --font-body: 'Nunito', sans-serif;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Header */
.game-header {
  width: 100%;
  max-width: 750px;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--border-color);
  background: var(--bg-card);
  box-shadow: 0 2px 10px rgba(184, 80, 22, 0.05);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.game-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--primary-dark);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mode-switch {
  display: flex;
  background: var(--bg-main);
  border-radius: 20px;
  padding: 3px;
  border: 1px solid var(--border-color);
}

.mode-btn {
  border: none;
  background: transparent;
  padding: 5px 10px;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 16px;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.mode-btn.active {
  background: var(--primary-warm);
  color: #fff;
}

.icon-btn, .action-btn {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  color: var(--text-main);
  transition: background 0.2s ease;
}

.icon-btn:hover, .action-btn:hover {
  background: var(--warm-accent);
}

.surrender-btn {
  background: #fff0f0;
  border-color: #ffcdd2;
  color: var(--color-absent);
}

.surrender-btn:hover {
  background: #ffe0e0;
}

/* Container principale */
.game-container {
  width: 100%;
  max-width: 700px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 15px;
  flex-grow: 1;
}

/* Griglia */
.board-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-bottom: 15px;
  overflow-x: auto;
  padding: 10px 5px;
}

.game-board {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.board-row {
  display: flex;
  gap: 6px;
  justify-content: center;
}

.tile {
  width: 42px;
  height: 42px;
  border: 2px solid var(--color-empty);
  border-radius: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.3rem;
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  user-select: none;
  background-color: var(--bg-card);
  color: var(--text-main);
  transition: transform 0.15s ease, background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.tile.space-tile {
  font-size: 1.1rem;
  color: #b89c84;
}

.tile.filled {
  border-color: var(--primary-warm);
}

.tile.pop {
  animation: popKey 0.12s ease-in-out;
}

.tile.flip {
  animation: flipTile 0.5s ease forwards;
}

.tile.correct {
  background-color: var(--color-correct) !important;
  border-color: var(--color-correct) !important;
  color: #ffffff !important;
}

.tile.present {
  background-color: var(--color-present) !important;
  border-color: var(--color-present) !important;
  color: #ffffff !important;
}

.tile.absent {
  background-color: var(--color-absent) !important;
  border-color: var(--color-absent) !important;
  color: #ffffff !important;
}

.in-game-action-box {
  margin-bottom: 15px;
  width: 100%;
  max-width: 300px;
}

/* Tastiera */
.keyboard-container {
  width: 100%;
  max-width: 650px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: auto;
  margin-bottom: 15px;
}

.keyboard-row {
  display: flex;
  justify-content: center;
  gap: 4px;
  touch-action: manipulation;
}

.key-btn {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  background-color: var(--key-bg);
  color: var(--key-text);
  border: none;
  border-radius: 6px;
  height: 48px;
  min-width: 26px;
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.1s ease;
}

.key-btn.wide-key {
  flex: 1.5;
  font-size: 0.8rem;
}

.key-btn.space-key {
  flex: 2;
  font-size: 0.8rem;
  letter-spacing: 1px;
}

.key-btn:active {
  transform: scale(0.92);
}

.key-btn.correct {
  background-color: var(--color-correct) !important;
  color: #fff !important;
}

.key-btn.present {
  background-color: var(--color-present) !important;
  color: #fff !important;
}

.key-btn.absent {
  background-color: var(--color-absent) !important;
  color: #fff !important;
  opacity: 0.65;
}

/* Sezione PayPal */
.paypal-section {
  width: 100%;
  max-width: 600px;
  background-color: #fff6ed;
  border: 1.5px dashed var(--primary-warm);
  border-radius: 12px;
  padding: 14px 16px;
  text-align: center;
  margin-top: 10px;
}

.paypal-text {
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--text-main);
  margin-bottom: 10px;
}

.paypal-btn {
  display: inline-block;
  background-color: #0070ba;
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 8px 16px;
  border-radius: 20px;
  box-shadow: 0 3px 8px rgba(0, 112, 186, 0.25);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.paypal-btn:hover {
  background-color: #005ea6;
  transform: translateY(-1px);
}

/* Toast Notifiche */
.toast-container {
  position: fixed;
  top: 70px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--text-main);
  color: #fff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  animation: fadeInOut 2s ease forwards;
}

/* Modali */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(61, 43, 31, 0.5);
  backdrop-filter: blur(3px);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 15px;
}

.modal.open {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  width: 100%;
  max-width: 480px;
  border-radius: 16px;
  padding: 24px;
  position: relative;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 18px;
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--text-muted);
}

.modal-content h2 {
  font-family: var(--font-heading);
  color: var(--primary-dark);
  margin-bottom: 12px;
}

.rules-list {
  margin: 12px 0 16px 20px;
  font-size: 0.92rem;
  line-height: 1.5;
}

.example-grid {
  display: grid;
  grid-template-columns: 40px 1fr;
  align-items: center;
  gap: 10px;
  margin: 12px 0;
  font-size: 0.85rem;
}

.example-tile {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
}

/* Testi Colorati della Legenda */
.text-correct {
  color: var(--color-correct);
}

.text-present {
  color: var(--color-present);
}

.text-absent {
  color: var(--color-absent);
}

.primary-btn {
  width: 100%;
  background: var(--primary-warm);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px;
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-heading);
  cursor: pointer;
  margin-top: 15px;
  transition: background 0.2s ease;
}

.primary-btn:hover {
  background: var(--primary-dark);
}

/* Statistiche Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 18px 0;
}

.stat-card {
  background: var(--bg-main);
  border-radius: 10px;
  padding: 10px;
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 1.4rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--primary-dark);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.game-over-box {
  background: #fff8f0;
  border: 1px solid var(--warm-accent);
  padding: 12px;
  border-radius: 10px;
  text-align: center;
  margin-top: 15px;
  font-weight: 700;
}

.hidden {
  display: none !important;
}

/* Keyframes */
@keyframes popKey {
  0% { transform: scale(1); }
  50% { transform: scale(1.12); }
  100% { transform: scale(1); }
}

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

@keyframes fadeInOut {
  0% { opacity: 0; transform: translateY(-10px); }
  15% { opacity: 1; transform: translateY(0); }
  85% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-10px); }
}

@media (max-width: 480px) {
  .tile {
    width: 30px;
    height: 30px;
    font-size: 0.95rem;
  }
  .key-btn {
    height: 42px;
    font-size: 0.75rem;
    min-width: 20px;
  }
  .game-title {
    font-size: 1.1rem;
  }
}