:root {
  --baby-blue: #bfe8ff;
  --aqua-green: #b8f0df;
  --soft-white: #f8fdff;
  --calm-blue: #66a7c5;
  --text-color: #2d4b5a;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.65) 0 95px, transparent 96px),
    radial-gradient(circle at 88% 15%, rgba(255, 255, 255, 0.55) 0 80px, transparent 81px),
    radial-gradient(circle at 30% 85%, rgba(173, 216, 255, 0.55) 0 120px, transparent 121px),
    linear-gradient(180deg, #d8f1ff 0%, #c8eaff 55%, #bfe4ff 100%);
  color: var(--text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.app-container {
  width: min(100%, 900px);
  background: rgba(248, 253, 255, 0.88);
  border: 2px solid rgba(102, 167, 197, 0.3);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 12px 28px rgba(45, 75, 90, 0.16);
  position: relative;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  position: relative;
  z-index: 5;
}

h1 {
  margin: 0;
}

.icon-btn {
  border: none;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-size: 1.3rem;
  cursor: pointer;
  background: #66a7c5;
  color: #fff;
}


.screen {
  width: 100%;
}

.hud {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.hud-item {
  background: white;
  border-radius: 10px;
  padding: 8px 12px;
  border: 1px solid rgba(102, 167, 197, 0.25);
}

.message-board {
  text-align: center;
  margin-bottom: 12px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 10px;
  border: 1px dashed rgba(102, 167, 197, 0.45);
  padding: 8px 12px;
  min-height: 44px;
}

#motivationMessage {
  margin: 0;
  font-weight: 700;
}

.pet-shelf {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(102, 167, 197, 0.35);
  border-radius: 12px;
  padding: 8px 10px;
  margin-bottom: 10px;
}

.pet-shelf h3 {
  margin: 0 0 6px;
  font-size: 0.95rem;
  color: #35637a;
}

.pet-shelf-items {
  min-height: 34px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.pet-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(205, 238, 255, 0.9);
  border: 1px solid rgba(102, 167, 197, 0.35);
  font-size: 0.82rem;
  font-weight: 700;
  color: #2d4b5a;
}

.pet-empty {
  color: #5c8396;
  font-size: 0.82rem;
  font-weight: 600;
}

.route-map {
  position: relative;
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  flex-wrap: wrap;
  margin: 12px 0 8px;
}

.route-line {
  position: absolute;
  top: 50%;
  left: 15%;
  right: 15%;
  border-top: 4px dashed rgba(102, 167, 197, 0.6);
  animation: lineMove 3s linear infinite;
  pointer-events: none;
}

@keyframes lineMove {
  0% {
    border-top-color: rgba(102, 167, 197, 0.25);
  }
  50% {
    border-top-color: rgba(102, 167, 197, 0.9);
  }
  100% {
    border-top-color: rgba(102, 167, 197, 0.25);
  }
}

.phase-node {
  position: relative;
  border: none;
  border-radius: 20px;
  width: 190px;
  min-height: 95px;
  cursor: pointer;
  background: #7dc5e8;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  transition: transform 0.15s ease, opacity 0.15s ease;
  z-index: 2;
  box-shadow: 0 8px 16px rgba(102, 167, 197, 0.24);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  overflow: hidden;
}

.phase-node span {
  font-size: 0.8rem;
  font-weight: 600;
}

.node-theme {
  font-size: 0.68rem;
  opacity: 0.9;
}

.forest-node {
  background: linear-gradient(180deg, #78d6a5, #4eb485);
}

.beach-node {
  background: linear-gradient(180deg, #7fd6ef, #57b2d4);
}

.ice-node {
  background: linear-gradient(180deg, rgba(154, 191, 232, 0.95), rgba(114, 153, 199, 0.95));
  box-shadow: 0 8px 16px rgba(84, 120, 165, 0.2);
}

.node-number {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.phase-stars {
  font-size: 1rem;
  letter-spacing: 2px;
  color: #dfe7f0;
}

.phase-stars .filled-star {
  color: #ffd84d;
  text-shadow: 0 0 6px rgba(255, 216, 77, 0.55);
}

.phase-stars .empty-star {
  color: #e6edf5;
}

.phase-stars.star-pop {
  animation: starPop 0.55s ease;
}

@keyframes starPop {
  0% { transform: scale(1); }
  40% { transform: scale(1.28); }
  100% { transform: scale(1); }
}

.phase-reward {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.26);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  opacity: 0.5;
  transform: scale(0.95);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.phase-reward.unlocked {
  opacity: 1;
  transform: scale(1.08);
  background: rgba(255, 236, 166, 0.95);
}

.phase-reward.reward-bounce {
  animation: rewardBounce 0.75s ease;
}

@keyframes rewardBounce {
  0% { transform: scale(1); }
  35% { transform: scale(1.35) rotate(-10deg); }
  70% { transform: scale(0.94) rotate(6deg); }
  100% { transform: scale(1.08); }
}

.phase-badge {
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.24);
}

.phase-node:hover:enabled {
  transform: translateY(-2px);
}

.phase-node:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.menu-note {
  margin-bottom: 0;
  text-align: center;
}

.game-area {
  width: 100%;
  display: flex;
  justify-content: center;
}

#gameCanvas {
  width: 100%;
  max-width: 860px;
  aspect-ratio: 16 / 9;
  background: #ffffff;
  border-radius: 12px;
  border: 2px solid rgba(102, 167, 197, 0.35);
  display: block;
  touch-action: none;
}

.controls-buttons {
  margin-top: 10px;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.action-btn {
  border: none;
  border-radius: 999px;
  padding: 8px 14px;
  background: #66a7c5;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.action-btn:hover {
  transform: translateY(-1px);
}

.settings-panel {
  position: absolute;
  inset: 0;
  background: rgba(248, 253, 255, 0.97);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 8px 20px rgba(45, 75, 90, 0.15);
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 14px;
}

.settings-panel h2 {
  margin: 0;
  font-size: 1.4rem;
}

.settings-motivation {
  margin: 0;
  text-align: center;
  max-width: 420px;
  color: #35637a;
  font-weight: 700;
  line-height: 1.35;
}

.settings-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.settings-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}