/* Variables pour responsive */
:root {
  --clock-size: min(90vw, 90vh, 500px);
}

body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background: #222;
  padding: 20px;
  box-sizing: border-box;
}

.clock {
  position: relative;
  width: var(--clock-size);
  height: var(--clock-size);
  border: 2px solid white;
  border-radius: 50%;
}

.center {
  position: absolute;
  width: 10px;
  height: 10px;
  background: white;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.mark {
  position: absolute;
  width: 4px;
  height: 15px;
  background: white;
  top: 50%;
  left: 50%;
  transform-origin: center bottom;
}

.hand {
  position: absolute;
  top: 50%;
  left: 50%;
  transform-origin: bottom center;
}

.hand span {
  position: absolute;
  font-size: 20px;
  transform: translate(-50%, -50%);
}

.theme-title {
  margin-bottom: 20px;
  font-size: 24px;
  text-align: center;
  color: #ffffff;
  text-shadow: 0 0 5px #00ffcc, 0 0 10px #00ffcc, 0 0 15px #00ffcc;
}

/* Boutons */
.theme-buttons {
  position: absolute;
  top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding: 0 20px;
}

.theme-buttons > div:last-child {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.theme-buttons button {
  background: #444;
  color: #fff;
  border: 1px solid #777;
  border-radius: 5px;
  padding: 10px 15px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s;
}

.theme-buttons button:hover {
  background: #d35400;
  color: #222;
  transform: scale(1.1);
}

/* --- Thème Romain --- */
.romain-theme .hand span {
  color: #f39c12;
}

.romain-theme .mark .number {
  color: #d35400;
  font-size: 30px;
  text-shadow: 0 0 10px #d35400, 0 0 20px #d35400;
}

.number.neon {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%) rotate(0deg);
  font-size: clamp(16px, 4vw, 30px);
  color: orange;
  text-shadow: 0 0 10px orange, 0 0 20px orange;
  width: 40px;
  text-align: center;
}

/* --- Thème Digital --- */
.digital-theme .mark {
  background: #ff0040;
  height: 20px;
  width: 2px;
  animation: blink-digital 1.5s infinite alternate;
}

.digital-theme .hand span {
  color: #00ffcc;
  text-shadow: 0 0 5px #00ffcc, 0 0 10px #00ffcc;
}

.digital-theme .clock {
  box-shadow: 0 0 30px rgba(255, 0, 64, 0.5), inset 0 0 20px rgba(255, 0, 64, 0.5);
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.5) 20%, transparent 80%);
  animation: digital-glow 4s infinite alternate;
}

/* --- Thème Moderne --- */
.moderne-theme .mark {
  background: linear-gradient(45deg, #ffd700, #ffa500);
  height: 15px;
  width: 3px;
  border-radius: 5px;
  animation: gradient-shift 2s infinite alternate;
}

.moderne-theme .hand span {
  color: #ffffff;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
  font-size: 18px;
}

.moderne-theme .clock {
  border: 2px solid transparent;
  background: linear-gradient(90deg, #ffd700, #ffa500);
  background-clip: padding-box;
  animation: border-glow 3s infinite alternate;
}

/* --- Animations Globales --- */
@keyframes blink-digital {
  from {
    opacity: 0.6;
  }
  to {
    opacity: 1;
  }
}

@keyframes gradient-shift {
  from {
    background-position: 0% 0%;
  }
  to {
    background-position: 100% 100%;
  }
}

@keyframes border-glow {
  from {
    border-color: #ffd700;
  }
  to {
    border-color: #ffa500;
  }
}

@keyframes digital-glow {
  from {
    background-position: 0% 0%;
  }
  to {
    background-position: 100% 100%;
  }
}

/* Media Queries pour responsive */
@media (max-width: 768px) {
  .theme-buttons {
    position: relative;
    margin-top: 20px;
  }
  
  .theme-title {
    font-size: 20px;
  }
  
  .theme-buttons button {
    padding: 8px 12px;
    font-size: 14px;
  }
  
  .hand span {
    font-size: 16px;
  }
  
  .number.neon {
    font-size: 24px;
  }
}

@media (max-width: 480px) {
  body {
    padding: 10px;
  }
  
  .theme-buttons button {
    padding: 6px 10px;
    font-size: 12px;
  }
  
  .hand span {
    font-size: 14px;
  }
  
  .number.neon {
    font-size: 20px;
  }
  
  .theme-title {
    font-size: 18px;
  }
}

@media (orientation: landscape) and (max-height: 500px) {
  :root {
    --clock-size: min(80vh, 400px);
  }
}