:root {
  --ink: #05070f;
  --ink-soft: #0a1020;
  --panel: rgba(9, 14, 26, 0.62);
  --panel-2: rgba(12, 19, 34, 0.72);
  --line: rgba(173, 202, 255, 0.14);
  --line-strong: rgba(196, 220, 255, 0.28);
  --text: #e8eefc;
  --muted: #8a98b6;
  --sakura: #ffb3c6;
  --sakura-deep: #ff7d9c;
  --amber: #ffd7a1;
  --mint: #8fe3d0;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
  --r: 14px;
  --ease: cubic-bezier(.22,.9,.24,1);
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  background: var(--ink);
  color: var(--text);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  font-family: "Inter", "SF Pro Display", "Segoe UI", "Yu Gothic UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

#app { position: fixed; inset: 0; }

#scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: grab;
  outline: none;
}
#scene:active { cursor: grabbing; }

.atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 8%, rgba(30, 56, 96, 0.30) 0%, rgba(5, 7, 15, 0) 55%),
    radial-gradient(110% 100% at 50% 55%, rgba(0, 0, 0, 0) 40%, rgba(2, 4, 9, 0.55) 100%);
  mix-blend-mode: normal;
  z-index: 2;
}

/* ---------- brand ---------- */
.brand {
  position: absolute;
  top: max(22px, env(safe-area-inset-top));
  right: 26px;
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: right;
  pointer-events: none;
  user-select: none;
}
.brand-mark {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%;
  color: var(--sakura);
  background: radial-gradient(circle at 35% 30%, rgba(255,179,198,.22), rgba(255,179,198,.03) 70%);
  border: 1px solid rgba(255, 179, 198, 0.25);
  box-shadow: 0 0 26px rgba(255, 125, 156, 0.22), inset 0 0 18px rgba(255, 179, 198, 0.08);
}
.brand-text h1 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: #f2f6ff;
  text-shadow: 0 0 22px rgba(148, 185, 255, 0.35);
}
.brand-text p {
  margin: 6px 0 0;
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- panels ---------- */
.panel {
  position: absolute;
  z-index: 6;
  width: 246px;
  padding: 16px;
  border-radius: var(--r);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(18, 28, 48, 0.72), rgba(7, 11, 21, 0.78));
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px) saturate(125%);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
  user-select: none;
}
.weather-panel {
  left: 26px;
  top: 50%;
  transform: translateY(-50%);
  /* ⚠️ fill-mode 必须是 backwards，不能是 both：
     both 会把动画最后一帧（transform: translateY(-50%)）钉在元素上，
     动画跑完之后就再也改不动 transform —— 下面 .is-collapsed 的位移会彻底失效。
     backwards 只在 .25s 延迟那段兜住首帧，动画结束就把控制权还给正常样式。 */
  animation: panel-in .9s var(--ease) backwards .25s;
  transition: transform .55s var(--ease), visibility 0s;
}
@keyframes panel-in {
  from { opacity: 0; transform: translateY(-46%) translateX(-8px); }
  to { opacity: 1; transform: translateY(-50%) translateX(0); }
}

/* 闲置 5 秒后向左收起（计时在 js/ui.js 的 initWeatherDock 里）。
   位移 = 面板自身宽度 + 它离左边缘的距离：整块刚好移出屏幕，而不是被裁一半。
   pointer-events: none 是硬要求 —— 收起后那片区域要让给 canvas，
   否则用户在那儿按左键拖不动场景（OrbitControls 只监听 canvas）。
   visibility 用「0s 时长 + .55s 延迟」：滑动过程中它还看得见，滑完才真正隐藏，
   顺手让键盘 Tab 也不会跳进一块屏幕外的面板里。 */
.weather-panel.is-collapsed {
  transform: translateY(-50%) translateX(calc(-100% - 26px));
  visibility: hidden;
  pointer-events: none;
  transition: transform .55s var(--ease), visibility 0s .55s;
}

/* ---------- 天气面板收起后的竖把手（左边缘） ---------- */
.panel-handle {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 6;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  width: 30px;
  padding: 11px 0 9px;
  border-radius: 0 13px 13px 0;
  border: 1px solid var(--line);
  border-left: 0;
  background: linear-gradient(160deg, rgba(18, 28, 48, 0.72), rgba(7, 11, 21, 0.8));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px) saturate(125%);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
  color: #c9d6f2;
  font: inherit;
  cursor: pointer;
  transition: opacity .35s var(--ease), transform .35s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.panel-handle-icon { font-size: 13px; line-height: 1; }
.panel-handle-bar {
  width: 1px;
  height: 26px;
  background: linear-gradient(180deg, rgba(173, 202, 255, 0.26), rgba(173, 202, 255, 0.05));
}
.panel-handle-arrow { font-size: 13px; line-height: 1; color: var(--sakura); }
.panel-handle:hover { color: #fff; border-color: rgba(255, 179, 198, 0.45); }
.panel-handle:active { transform: translateY(-50%) scale(.96); }
/* 面板开着的时候把手让位（透明度 0 且不吃点击） */
.panel-handle.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-50%) translateX(-8px);
}

/* ---------- 左上角「返回」：沿用面板那套深色玻璃 ---------- */
.back-link {
  position: absolute;
  left: 26px;
  top: max(22px, env(safe-area-inset-top));
  z-index: 7;
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 15px 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(18, 28, 48, 0.72), rgba(7, 11, 21, 0.78));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px) saturate(125%);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
  color: #c9d6f2;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-decoration: none;
  white-space: nowrap;
  transition: color .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease), transform .28s var(--ease);
}
.back-link:hover {
  color: #fff;
  border-color: rgba(255, 179, 198, 0.45);
  background: linear-gradient(160deg, rgba(30, 40, 62, 0.8), rgba(11, 16, 29, 0.85));
  transform: translateY(-1px);
}
.back-link:active { transform: translateY(0) scale(.98); }

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 13px;
}
.panel-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: #dbe6ff;
}
.panel-live {
  font-size: 8px;
  letter-spacing: 0.14em;
  color: var(--sakura);
  padding: 3px 7px;
  border-radius: 999px;
  border: 1px solid rgba(255, 179, 198, 0.25);
  background: rgba(255, 125, 156, 0.08);
  white-space: nowrap;
}

.weather-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}
.chip {
  -webkit-appearance: none;
  appearance: none;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 9px;
  border-radius: 10px;
  border: 1px solid rgba(163, 195, 255, 0.13);
  background: rgba(14, 21, 37, 0.6);
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: border-color .3s var(--ease), background .3s var(--ease), transform .25s var(--ease), box-shadow .3s var(--ease);
}
.chip-wide { grid-column: span 2; }
.chip:hover {
  border-color: rgba(255, 179, 198, 0.4);
  background: rgba(34, 41, 62, 0.7);
  transform: translateY(-1px);
}
.chip:active { transform: translateY(0) scale(.985); }
.chip.is-active {
  border-color: rgba(255, 179, 198, 0.55);
  background: linear-gradient(140deg, rgba(255, 125, 156, 0.16), rgba(255, 179, 198, 0.05));
  box-shadow: 0 0 0 1px rgba(255, 125, 156, 0.08), 0 8px 22px rgba(255, 100, 140, 0.12);
}
.chip.is-active .chip-emoji { filter: saturate(1.2) drop-shadow(0 0 8px rgba(255, 170, 190, .6)); }
.chip-emoji { font-size: 15px; width: 18px; text-align: center; line-height: 1; }
.chip-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 11px;
  letter-spacing: 0.04em;
  line-height: 1.1;
}
.chip-label em {
  font-style: normal;
  font-size: 8px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
}

.panel-divider {
  height: 1px;
  margin: 13px 0;
  background: linear-gradient(90deg, transparent, rgba(170, 200, 255, 0.16), transparent);
}

.time-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.time-btn {
  -webkit-appearance: none;
  appearance: none;
  padding: 8px 4px 7px;
  border-radius: 9px;
  border: 1px solid rgba(163, 195, 255, 0.12);
  background: rgba(12, 18, 32, 0.55);
  color: var(--text);
  font-size: 10.5px;
  letter-spacing: 0.02em;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-items: center;
  transition: all .3s var(--ease);
}
.time-btn em {
  font-style: normal;
  font-size: 7.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}
.time-btn:hover { border-color: rgba(255, 179, 198, 0.35); background: rgba(28, 35, 54, 0.7); }
.time-btn.is-active {
  border-color: rgba(255, 211, 160, 0.5);
  background: linear-gradient(160deg, rgba(255, 200, 140, 0.16), rgba(255, 220, 180, 0.04));
  box-shadow: 0 6px 18px rgba(255, 170, 90, 0.1);
}
.time-btn.is-active em { color: var(--amber); }

.switch-row {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--text);
  cursor: pointer;
  font: inherit;
}
.switch-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 10.5px;
  letter-spacing: 0.04em;
}
.switch-label em {
  font-style: normal;
  font-size: 7.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
  margin-left: 2px;
}
.switch-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--muted);
  transition: background .3s, box-shadow .3s;
}
.switch-row[aria-pressed="true"] .switch-dot { background: var(--mint); box-shadow: 0 0 10px var(--mint); }
.switch {
  width: 34px; height: 18px;
  border-radius: 999px;
  border: 1px solid rgba(163, 195, 255, 0.2);
  background: rgba(12, 18, 32, 0.8);
  padding: 2px;
  display: flex;
  transition: background .3s var(--ease), border-color .3s;
}
.knob {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: #7f8cae;
  transition: transform .3s var(--ease), background .3s;
}
.switch-row[aria-pressed="true"] .switch { border-color: rgba(143, 227, 208, 0.45); background: rgba(143, 227, 208, 0.16); }
.switch-row[aria-pressed="true"] .knob { transform: translateX(16px); background: #b8f3e7; }

/* ---------- toolbar ---------- */
.toolbar {
  position: absolute;
  right: 26px;
  bottom: max(24px, env(safe-area-inset-bottom));
  z-index: 7;
  display: flex;
  gap: 8px;
  padding: 8px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(18, 28, 48, 0.72), rgba(7, 11, 21, 0.78));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px) saturate(125%);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
}
.tool {
  position: relative;
  -webkit-appearance: none;
  appearance: none;
  width: 42px; height: 42px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  border: 1px solid rgba(163, 195, 255, 0.13);
  background: rgba(12, 18, 32, 0.55);
  color: #c9d6f2;
  cursor: pointer;
  transition: all .28s var(--ease);
}
.tool svg {
  width: 19px; height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.45;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.tool:hover {
  color: #fff;
  border-color: rgba(255, 179, 198, 0.45);
  background: rgba(36, 44, 66, 0.75);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(255, 120, 150, 0.12);
}
.tool:active { transform: translateY(0) scale(.96); }
.tool[aria-pressed="true"] {
  color: #ffe3ec;
  border-color: rgba(255, 179, 198, 0.55);
  background: linear-gradient(150deg, rgba(255, 125, 156, 0.2), rgba(255, 179, 198, 0.06));
  box-shadow: 0 0 18px rgba(255, 120, 160, 0.18);
}
.tool::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 10px);
  right: 50%;
  transform: translate(50%, 4px);
  font-size: 10px;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: #e9eefc;
  background: rgba(9, 14, 26, 0.92);
  border: 1px solid var(--line);
  padding: 5px 8px;
  border-radius: 7px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.tool:hover::after { opacity: 1; transform: translate(50%, 0); }

/* ---------- caption / hint ---------- */
.caption {
  position: absolute;
  left: 28px;
  bottom: max(28px, env(safe-area-inset-bottom));
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 12px;
  pointer-events: none;
  user-select: none;
}
.caption-line {
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 179, 198, 0.7), rgba(255, 179, 198, 0));
}
.caption p {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(224, 234, 255, 0.82);
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.caption-sub {
  font-size: 8.5px;
  letter-spacing: 0.24em;
  color: var(--muted);
}
.hint {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  z-index: 5;
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: rgba(154, 170, 200, 0.6);
  white-space: nowrap;
  pointer-events: none;
  transition: opacity .8s var(--ease);
}
.hint.is-hidden { opacity: 0; }

/* ---------- boot / fatal ---------- */
.boot {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  background: radial-gradient(60% 60% at 50% 45%, #0b1424 0%, #05070f 70%);
  transition: opacity .8s var(--ease), visibility .8s;
}
.boot.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.boot-inner { text-align: center; }
.boot-sakura {
  position: relative;
  width: 64px; height: 64px;
  margin: 0 auto 22px;
  animation: bloom 4s var(--ease) infinite;
}
@keyframes bloom {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: .9; }
  50% { transform: scale(1.04) rotate(6deg); opacity: 1; }
}
.boot-sakura span {
  position: absolute;
  width: 26px; height: 26px;
  border-radius: 56% 56% 50% 50% / 62% 62% 44% 44%;
  background: linear-gradient(160deg, #ffd7e2, #ff9db4);
  left: 19px; top: 6px;
  transform-origin: 13px 26px;
  filter: drop-shadow(0 0 10px rgba(255, 125, 156, .35));
}
.boot-sakura span:nth-child(2) { transform: rotate(72deg); }
.boot-sakura span:nth-child(3) { transform: rotate(144deg); }
.boot-sakura span:nth-child(4) { transform: rotate(216deg); }
.boot-sakura span:nth-child(5) { transform: rotate(288deg); }
.boot-sakura i {
  position: absolute;
  left: 26px; top: 26px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: #ffe9a8;
  box-shadow: 0 0 14px #ffd27a;
}
.boot-title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.44em;
  color: #e6edff;
  text-transform: uppercase;
}
.boot-note {
  margin: 12px 0 0;
  font-size: 10px;
  letter-spacing: 0.16em;
  color: #7687a8;
}
.boot-bar {
  width: 140px; height: 2px;
  margin: 18px auto 0;
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
  border-radius: 2px;
}
.boot-bar i {
  display: block;
  width: 42%;
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, #ff9db4, #ffd7a2, transparent);
  animation: load-slide 1.5s ease-in-out infinite;
}
@keyframes load-slide {
  0% { transform: translateX(-110%); }
  100% { transform: translateX(340%); }
}

.fatal {
  position: absolute;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  background: rgba(4, 6, 12, 0.86);
  backdrop-filter: blur(8px);
  padding: 24px;
}
.fatal.hidden { display: none; }
.fatal-card {
  max-width: 520px;
  border-radius: 16px;
  border: 1px solid rgba(255, 140, 160, 0.25);
  background: rgba(14, 20, 34, 0.92);
  padding: 26px 28px;
  box-shadow: var(--shadow);
}
.fatal-card h2 { margin: 0 0 10px; font-size: 16px; letter-spacing: 0.08em; }
.fatal-card p { margin: 0 0 10px; font-size: 12px; line-height: 1.7; color: #b7c4de; }
.fatal-card pre {
  max-height: 140px; overflow: auto;
  margin: 0 0 12px;
  padding: 10px;
  font-size: 10.5px;
  line-height: 1.55;
  color: #ffb8c8;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 8px;
  white-space: pre-wrap;
}
.fatal-tip { font-size: 10.5px; color: #8a98b6; }
.fatal-tip code { color: #ffd7a1; }
.fatal-card button {
  margin-top: 8px;
  padding: 9px 18px;
  border-radius: 8px;
  border: 1px solid rgba(255, 179, 198, 0.4);
  background: rgba(255, 179, 198, 0.12);
  color: #ffe6ec;
  font-size: 11px;
  letter-spacing: 0.1em;
  cursor: pointer;
}
.fatal-card button:hover { background: rgba(255, 179, 198, 0.22); }

.hidden { display: none; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .weather-panel {
    top: auto;
    bottom: 104px;
    left: 16px;
    transform: none;
    width: min(270px, calc(100vw - 32px));
    padding: 13px;
    animation: none;
  }
  /* 手机上 transform 是 none，收起时只走横向；位移同样是「宽度 + 16px」 */
  .weather-panel.is-collapsed { transform: translateX(calc(-100% - 16px)); }
  /* 面板挪到左下角了，把手跟着换成「与面板同一条底边」的锚点 */
  .panel-handle { top: auto; bottom: 104px; transform: none; }
  .panel-handle:active { transform: scale(.96); }
  .panel-handle.is-hidden { transform: translateX(-8px); }
  .back-link { left: 16px; top: max(14px, env(safe-area-inset-top)); height: 34px; }
  .brand { right: 16px; top: max(16px, env(safe-area-inset-top)); }
  .brand-text h1 { font-size: 12px; letter-spacing: 0.34em; }
  .brand-text p { display: none; }
  .toolbar { right: 16px; bottom: max(16px, env(safe-area-inset-bottom)); }
  .caption { left: 16px; bottom: max(16px, env(safe-area-inset-bottom)); display: none; }
  .hint { display: none; }
  .panel { box-shadow: 0 12px 34px rgba(0,0,0,.5); }
  .weather-grid { grid-template-columns: repeat(5, 1fr); }
  .chip { flex-direction: column; gap: 4px; padding: 7px 4px; align-items: center; text-align: center; }
  .chip-wide { grid-column: span 1; }
  .chip-label { font-size: 9px; }
  .chip-label em { display: none; }
  .chip-emoji { font-size: 14px; }
}

@media (max-width: 560px) {
  .toolbar { gap: 6px; padding: 6px; }
  .tool { width: 38px; height: 38px; }
  .tool::after { display: none; }
  .weather-panel { bottom: 92px; }
  .panel-handle { bottom: 92px; }
  .panel-head { margin-bottom: 10px; }
  .panel-divider { margin: 10px 0; }
  .boot-sakura { transform: scale(.9); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}