* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  min-height: 100vh;
  color: #e8eaed;
  padding: 20px;
  overflow-x: auto;
}
.container {
  max-width: 1400px;
  margin: 0 auto;
  background: rgba(30, 35, 50, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  border: 1px solid rgba(135, 206, 235, 0.2);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}
.header {
  background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
  color: #e8eaed;
  padding: 25px;
  text-align: center;
  position: relative;
  border-bottom: 1px solid rgba(135, 206, 235, 0.3);
}

h1 {
  font-size: 2.2rem;
  margin-bottom: 8px;
  font-weight: 300;
  letter-spacing: 1px;
  color: #87ceeb;
}
.subtitle {
  font-size: 1rem;
  opacity: 0.8;
  font-weight: 300;
  color: #cbd5e0;
}
.main-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 25px;
  padding: 25px;
}

.game-area {
  display: flex;
  justify-content: center;
}
table {
  border-radius: 15px;
  overflow: hidden;
  background: #2d3748;
  border: 1px solid rgba(135, 206, 235, 0.2);
}
td {
  width: 45px;
  height: 45px;
  border: 1px solid rgba(135, 206, 235, 0.15);
  text-align: center;
  vertical-align: middle;
  font-size: 13px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  background: #1a202c;
  color: #e8eaed;
}
td:hover {
  transform: scale(1.05);
  z-index: 10;
  background: #2d3748;
}
.traced {
  animation: colorFill 0.6s ease-in-out;
}
@keyframes colorFill {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 rgba(135, 206, 235, 0.5);
  }
  50% {
    transform: scale(1.15);
    box-shadow: 0 0 25px rgba(135, 206, 235, 0.5);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 rgba(135, 206, 235, 0.5);
  }
}

.controls-panel {
  justify-self: center;
  height: fit-content;
  display: flex;
  flex-direction: column;
  justify-content: center; /* Centre verticalement si hauteur définie */
  gap: 20px; /* Espace entre les éléments */
  background: rgba(45, 55, 72, 0.8);
  border-radius: 15px;
  padding: 20px;
  border: 1px solid rgba(135, 206, 235, 0.2);
  backdrop-filter: blur(10px);
}
.color-control {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 15px;
}
.color-picker {
  width: 45px;
  height: 45px;
  border: 2px solid rgba(135, 206, 235, 0.3);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  background: none;
}
.color-picker:hover {
  transform: scale(1.05);
  border-color: #87ceeb;
}
.preset-colors {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 12px;
}
.preset-color {
  width: 32px;
  height: 32px;
  border: 2px solid rgba(135, 206, 235, 0.2);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
}
.preset-color:hover {
  transform: scale(1.1);
  border-color: #87ceeb;
}
.checkbox-container {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 12px 0;
}
.checkbox {
  width: 18px;
  height: 18px;
  appearance: none;
  border: 2px solid rgba(135, 206, 235, 0.4);
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
  background: rgba(26, 32, 44, 0.8);
}
.checkbox:checked {
  background: #87ceeb;
  border-color: #87ceeb;
}
.checkbox:checked::after {
  content: "✓";
  position: absolute;
  color: #1a202c;
  font-weight: bold;
  font-size: 12px;
  top: -2px;
  left: 2px;
}
.checkbox-container label {
  color: #cbd5e0;
  font-size: 0.9rem;
  cursor: pointer;
}
.btn {
  width: 100%;
  padding: 12px;
  border: 1px solid rgba(135, 206, 235, 0.3);
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  margin: 6px 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(45, 55, 72, 0.8);
  color: #e8eaed;
}
.btn-primary {
  background: linear-gradient(135deg, #4299e1 0%, #63b3ed 100%);
  border-color: #4299e1;
  color: white;
}
.btn-secondary {
  background: linear-gradient(135deg, #38b2ac 0%, #4fd1c7 100%);
  border-color: #38b2ac;
  color: white;
}
.btn-danger {
  background: linear-gradient(135deg, #e53e3e 0%, #fc8181 100%);
  border-color: #e53e3e;
  color: white;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  border-color: #87ceeb;
}
.btn-primary:hover {
  box-shadow: 0 8px 25px rgba(66, 153, 225, 0.4);
}
.btn-secondary:hover {
  box-shadow: 0 8px 25px rgba(56, 178, 172, 0.4);
}
.btn-danger:hover {
  box-shadow: 0 8px 25px rgba(229, 62, 62, 0.4);
}
.label-load {
  text-align: center;
  display: inline-block;
}
.speed-control,
.control-group {
  margin: 15px 0;
}
.speed-slider,
.size-slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(135, 206, 235, 0.2);
  outline: none;
  margin: 10px 0;
  cursor: pointer;
}
.speed-slider::-webkit-slider-thumb,
.size-slider::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #87ceeb;
  cursor: pointer;
}
.pattern-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 12px 0;
}
.btn-pattern {
  padding: 10px;
  border: 1px solid rgba(135, 206, 235, 0.3);
  background: rgba(26, 32, 44, 0.6);
  color: #e8eaed;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.85rem;
}
.btn-pattern:hover {
  border-color: #87ceeb;
  background: rgba(45, 55, 72, 0.8);
  transform: translateY(-1px);
}
.bottom-controls {
  margin-top: 20px;
  padding: 20px;
  background: rgba(45, 55, 72, 0.6);
  border-radius: 15px;
  border: 1px solid rgba(135, 206, 235, 0.2);
}
.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.rules {
  background: rgba(26, 32, 44, 0.6);
  border-radius: 12px;
  padding: 18px;
  border: 1px solid rgba(135, 206, 235, 0.1);
}
.rules h3 {
  margin-bottom: 12px;
  font-size: 1.1rem;
  color: #87ceeb;
}
.rules ul {
  list-style: none;
}
.rules li {
  padding-left: 20px;
  position: relative;
  line-height: 1.4;
  color: #cbd5e0;
  font-size: 0.9rem;
}
.rules li::before {
  content: "▶";
  position: absolute;
  left: 0;
  top: 6px;
  color: #87ceeb;
  font-size: 10px;
}
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5); /* fond semi-transparent */
  z-index: 1000; /* au-dessus des autres éléments */
  display: flex;
  align-items: center;
  justify-content: center;
}
.NameBox.modal {
  background: #222c36;
  padding: 2em 2em 1em 2em;
  border-radius: 12px;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.3);
  min-width: 320px;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 1em;
}
.modal-actions {
  display: flex;
  gap: 1em;
  justify-content: flex-end;
}
#fileName {
  width: 100%;
  padding: 0.7em 1em;
  border: none;
  border-radius: 8px;
  background: #1a2233;
  color: #e2e8f0;
  font-size: 1.1em;
  margin-top: 0.7em;
  margin-bottom: 1em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  outline: none;
  transition: box-shadow 0.2s, border 0.2s;
}
#fileName:focus {
  box-shadow: 0 0 0 2px #87ceeb, 0 2px 8px rgba(0, 0, 0, 0.12);
  background: #222c36;
  color: #fff;
}
@media (max-width: 1024px) {
  .main-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .controls-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}
@media (max-width: 768px) {
  td {
    width: 35px;
    height: 35px;
    font-size: 11px;
  }

  .controls-grid {
    grid-template-columns: 1fr;
  }
}