:root, [data-theme="soft-pastel"] {
  --bg-body: #68B0AB;
  --bg-card: #FAF3DD;
  --text-main: #2b4c49;
  --text-sub: #4a7570;
  --btn-primary-bg: #8FC0A9;
  --btn-primary-text: #ffffff;
  --btn-secondary-bg: #C8D5B9;
  --btn-secondary-text: #2b4c49;
  --btn-secondary-border: #8FC0A9;
  --link-color: #2b4c49;
  
  --light-board: #f0d9b5;
  --dark-board: #b58863;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; background: var(--bg-body); color: var(--text-main);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
h1, h2, h3 { color: var(--text-main); margin-top: 0; }
p { color: var(--text-sub); }
.app { display: flex; flex-direction: column; align-items: center; padding: 20px 14px; }
.panel {
  background: var(--bg-card); padding: 24px; border-radius: 12px; width: 100%; max-width: 480px;
  margin-top: 20px; box-shadow: 0 8px 24px rgba(0,0,0,0.1); display: flex; flex-direction: column; align-items: center;
}
input[type="text"], select {
  width: 100%; padding: 12px; margin: 10px 0; border-radius: 6px; border: 1px solid var(--btn-secondary-border);
  background: #fff; color: var(--text-main); font-size: 1rem;
}
button {
  width: 100%; padding: 14px; background: var(--btn-primary-bg); color: var(--btn-primary-text);
  border: none; border-radius: 6px; cursor: pointer; margin-top: 10px; font-weight: bold;
  font-size: 1rem; transition: opacity 0.2s ease, transform 0.1s ease;
}
button:hover:not(:disabled) { opacity: 0.9; }
button:active:not(:disabled) { transform: translateY(1px); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-secondary { background: var(--btn-secondary-bg); color: var(--btn-secondary-text); border: 1px solid var(--btn-secondary-border); }

.info-bar { 
  display: flex; justify-content: space-between; align-items: center; width: 100%; max-width: 480px; 
  background: var(--bg-card); padding: 16px 24px; border-radius: 12px; box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.info-bar h2 { margin: 0; font-size: 1.4rem; }

.turn-banner {
  width: 100%; padding: 12px; text-align: center; border-radius: 8px; font-weight: bold; margin-bottom: 16px;
  background: var(--bg-card); border: 2px solid transparent; transition: 0.3s;
}
.turn-banner.my-turn { background: var(--btn-primary-bg); color: white; border-color: var(--text-main); }
.turn-banner.winner { background: var(--btn-secondary-bg); color: var(--text-main); border-color: var(--btn-secondary-border); }

.board-header { width: 100%; text-align: center; margin-bottom: 16px; }
.board-stats { display: flex; justify-content: space-between; align-items: center; width: 100%; padding: 0 10px; margin-bottom: 16px; font-size: 0.95rem; }
.spectator-badge { background: var(--btn-secondary-bg); color: var(--btn-secondary-text); padding: 4px 10px; border-radius: 12px; font-size: 0.85rem; border: 1px solid var(--btn-secondary-border); font-weight: bold; }

.board {
  display: grid; grid-template-columns: repeat(8, minmax(35px, 45px)); grid-template-rows: repeat(8, minmax(35px, 45px));
  border: 6px solid var(--text-main); border-radius: 4px; background-color: var(--text-main); gap: 0;
}
.cell {
  width: 100%; aspect-ratio: 1 / 1; display: flex; justify-content: center; align-items: center; cursor: pointer; transition: 0.2s; position: relative;
}
.cell.light { background-color: var(--light-board); }
.cell.dark { background-color: var(--dark-board); }

/* Selection & Check & Valid Moves */
.cell.selected { background-color: var(--btn-primary-bg) !important; box-shadow: inset 0 0 0 3px var(--text-main); }
.cell.in-check { background-color: #e74c3c !important; }

.cell.valid-target::after {
  content: ''; position: absolute; border-radius: 50%; pointer-events: none;
}
.cell.valid-target:not(.has-piece)::after {
  width: 30%; height: 30%; background: rgba(43, 76, 73, 0.4);
}
.cell.valid-target.has-piece::after {
  width: 85%; height: 85%; border: 5px solid rgba(43, 76, 73, 0.5); background: transparent;
}

/* WIKIMEDIA CHESS PIECES (Images au lieu d'Unicode) */
.piece-chess {
  width: 90%; height: 90%;
  background-size: contain; background-repeat: no-repeat; background-position: center;
  pointer-events: none; user-select: none;
  filter: drop-shadow(0px 3px 3px rgba(0,0,0,0.3));
}
.piece-checkers {
  width: 75%; height: 75%; border-radius: 50%; pointer-events: none;
  box-shadow: inset -2px -2px 6px rgba(0,0,0,0.3), 0 3px 4px rgba(0,0,0,0.4);
  display: flex; justify-content: center; align-items: center; font-size: 1.3rem;
}
.piece-checkers.white { background: #FAF3DD; border: 2px solid var(--text-main); color: var(--text-main); }
.piece-checkers.black { background: var(--text-main); border: 2px solid #1a2f2d; color: #FAF3DD; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--text-main); color: #fff; padding: 12px 24px; border-radius: 8px;
  opacity: 0; pointer-events: none; transition: 0.3s ease; box-shadow: 0 4px 12px rgba(0,0,0,0.15); font-weight: bold; z-index: 100;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Ajout special pour le toast d'Echec (Rouge) */
.toast.danger { background: #e74c3c; }

@media (max-width: 500px) {
  .board { grid-template-columns: repeat(8, 11vw); grid-template-rows: repeat(8, 11vw); }
}

/* Admin table */
.admin-table { width: 100%; border-collapse: collapse; margin-top: 15px; }
.admin-table th, .admin-table td { text-align: left; padding: 8px; border-bottom: 1px solid var(--btn-secondary-border); }