/* 小猴子找朋友 · 森林风格 */
:root { --cream: #fff6e5; --pink: #ff8fb3; --gold: #ffd54f; --choco: #6b4a2b; --ink: #3a2e1f; --green: #6ec96e; }
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: linear-gradient(180deg, #aee3ff 0%, #e8f7e8 60%, #b8e6b8 100%);
  color: var(--ink); user-select: none; -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}
#app { max-width: 800px; margin: 0 auto; padding: 12px; min-height: 100vh; }
.screen { display: none; }
.screen.active { display: block; }
.title { text-align: center; font-size: 2rem; margin: 18px 0 4px; text-shadow: 2px 2px 0 rgba(255,255,255,.6); }
.subtitle { text-align: center; font-size: 1.02rem; margin-bottom: 14px; color: #3a6b3a; }
.animal-picker { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin: 16px 0; }
.animal-picker button {
  font-size: 2.4rem; width: 84px; height: 84px; border-radius: 50%;
  border: 4px solid var(--choco); background: #fff; cursor: pointer;
  box-shadow: 0 4px 8px rgba(0,0,0,.18); transition: transform .15s;
}
.animal-picker button:active { transform: scale(.9); }
.mode-picker { display: flex; gap: 14px; justify-content: center; margin-top: 20px; }
.mode-btn {
  font-size: 1.15rem; padding: 16px 22px; border-radius: 20px;
  border: 4px solid var(--choco); cursor: pointer; background: #fff;
  box-shadow: 0 4px 8px rgba(0,0,0,.18);
}
.mode-btn small { display: block; font-size: .8rem; color: #5a6a4f; margin-top: 4px; }
.mode-btn.baby { border-color: var(--pink); }
.mode-btn.challenge { border-color: #5c9cff; }

.game-header { display: flex; align-items: center; gap: 12px; margin: 8px 0; }
.animal-face { font-size: 2.4rem; background: #fff; border-radius: 50%; width: 62px; height: 62px;
  display: flex; align-items: center; justify-content: center; border: 4px solid var(--choco); }
.header-info { flex: 1; }
.hint { font-size: 1.05rem; font-weight: 700; }
.status-line { display: flex; gap: 10px; align-items: center; margin-top: 4px; font-size: .9rem; flex-wrap: wrap; }

/* 森林图 */
.forest { position: relative; min-height: 280px; margin: 8px 0; overflow: hidden; }
.forest svg { width: 100%; height: auto; display: block; }
.node text { pointer-events: none; }
.node-line { stroke: #8a9a6a; stroke-width: 2.5; }
.node {
  cursor: default; transition: opacity .3s;
}
.node circle { stroke: #6b4a2b; stroke-width: 3; fill: #fff; }
.node text.face { font-size: 22px; text-anchor: middle; dominant-baseline: central; }
.node text.name { font-size: 12px; text-anchor: middle; font-weight: 700; }
.node.visible { opacity: 1; }
.node.hidden { opacity: 0; pointer-events: none; }
.node.wave { animation: wave-glow 1s ease infinite alternate; }
.node.wave circle { fill: #fff3b8; stroke: var(--gold); stroke-width: 4; }
.node.found { animation: found-pop .6s ease; }
.node.found circle { fill: #b8f0b8; stroke: var(--green); stroke-width: 4; }
.node.level-badge text { font-size: 14px; font-weight: 900; fill: #b8860b; }
@keyframes wave-glow {
  from { filter: drop-shadow(0 0 2px rgba(255,213,79,.5)); }
  to { filter: drop-shadow(0 0 12px rgba(255,213,79,1)); }
}
@keyframes found-pop {
  0% { transform: scale(.5); }
  60% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

/* 圈数徽章（头部状态栏内） */
.ring-badge {
  background: #fff; border: 2px solid #5c9cff; border-radius: 12px;
  padding: 1px 10px; font-weight: 900; color: #5c9cff; font-size: .85rem;
}

/* 扩散按钮 */
.action-zone { text-align: center; margin: 10px 0; }
.btn-expand {
  font-size: 1.3rem; padding: 16px 40px; border-radius: 22px;
  border: 4px solid var(--choco); background: #fff; cursor: pointer;
  box-shadow: 0 4px 10px rgba(0,0,0,.2);
}
.btn-expand:active { transform: scale(.94); }

.guess-zone { text-align: center; margin: 6px 0; }
.btn-guess {
  font-size: 1rem; padding: 10px 24px; border-radius: 18px;
  border: 3px solid #5c9cff; background: #eaf3ff; cursor: pointer;
  box-shadow: 0 3px 8px rgba(0,0,0,.15);
}
.btn-guess:active { transform: scale(.94); }

.feedback { text-align: center; font-size: 1.3rem; font-weight: 800; min-height: 2rem; margin: 6px 0; }
.feedback.ok { color: #2e7d32; }
.feedback.no { color: #d32f2f; }

.btn-reset, .btn-home {
  display: block; margin: 8px auto; padding: 12px 24px; font-size: 1.02rem;
  border-radius: 18px; border: 3px solid var(--choco); cursor: pointer;
  background: #fff; box-shadow: 0 4px 8px rgba(0,0,0,.18);
}
.btn-home { background: #ffe9d6; }

.stats-title { text-align: center; margin: 20px 0 10px; }
.stats-box { background: rgba(255,255,255,.85); border-radius: 18px; padding: 16px; margin: 12px 0; font-size: 1.02rem; line-height: 1.9; }
.stats-box .big { font-size: 1.35rem; font-weight: 800; }

@keyframes celebrate-pop { 0% { transform: scale(0) rotate(-20deg); } 70% { transform: scale(1.4) rotate(10deg); } 100% { transform: scale(1) rotate(0); } }
.celebrate { animation: celebrate-pop .6s ease; display: inline-block; }

.fast * { animation: none !important; transition: none !important; }

@media (max-width: 480px) {
  .animal-picker button { width: 64px; height: 64px; font-size: 1.9rem; }
  .title { font-size: 1.5rem; }
}

/* v1.1 目标明确化 */
.mission {
  text-align: center; background: #fff3cd; border: 3px solid #ffd54f;
  border-radius: 16px; padding: 8px 14px; margin: 6px auto; font-weight: 800;
  font-size: 1.02rem; color: #8a6a1f; max-width: 560px;
}
.node .start-badge {
  font-size: 13px; text-anchor: middle; font-weight: 900; fill: #2e7d32;
}
.node .target-badge {
  font-size: 16px; text-anchor: middle; font-weight: 900;
  animation: badge-glow 1s ease infinite alternate;
}
@keyframes badge-glow { from { opacity: .6; } to { opacity: 1; } }

/* v1.1 最短路径金线 */
.path-line {
  stroke: #ffd54f; stroke-width: 5; stroke-linecap: round;
  stroke-dasharray: 12 8; filter: drop-shadow(0 0 6px rgba(255,213,79,.9));
  animation: path-flow 1s linear infinite;
}
@keyframes path-flow { to { stroke-dashoffset: -20; } }

/* v1.2 路径预言挑战 */
.predict-hint { font-size: 1.02rem; font-weight: 800; color: #5c9cff; margin-bottom: 8px; }
.predict-opt {
  font-size: 1.3rem; font-weight: 900; background: #fff; border: 4px solid #5c9cff;
  border-radius: 18px; padding: 12px 18px; cursor: pointer;
  box-shadow: 0 3px 8px rgba(0,0,0,.15);
}
.predict-opt:active { transform: scale(.93); }
.predict-result {
  font-size: 1.1rem; font-weight: 900; color: #5c9cff; background: #eaf3ff;
  border-radius: 14px; padding: 8px 16px; display: inline-block;
}

/* 家长折叠区 + 生活任务 */
.dad-note {
  max-width: 600px; margin: 8px auto; background: #fff8e7;
  border: 3px dashed #b08968; border-radius: 14px; padding: 8px 14px;
}
.dad-note summary { font-weight: 900; color: #8a6a4f; cursor: pointer; font-size: .98rem; }
.dad-text { font-size: .92rem; color: #5a4a35; line-height: 1.7; margin: 4px 0; }
.life-task {
  text-align: center; font-size: 1rem; font-weight: 900; color: #2e7d32;
  background: #e8f5e9; border: 2px solid #6ec96e; border-radius: 12px;
  padding: 8px 12px; margin: 8px auto; max-width: 600px;
}