/* =========================================================
   云镜 CloudGlass — 玻璃质感天气站
   ========================================================= */

:root {
  --bg-0: #060a1a;
  --bg-1: #0a1026;
  --ink: #f4f7ff;
  --ink-dim: rgba(238, 243, 255, 0.66);
  --ink-faint: rgba(238, 243, 255, 0.42);
  --line: rgba(255, 255, 255, 0.16);
  --line-soft: rgba(255, 255, 255, 0.09);
  --glass: linear-gradient(140deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05));
  --glass-strong: linear-gradient(140deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.07));
  --shadow: 0 18px 48px rgba(2, 6, 24, 0.45);
  --radius: 26px;
  --radius-sm: 16px;
  --accent: #8b7bff;
  --accent-2: #38dcf0;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }

/* hidden 属性必须压过组件自身的 display，否则隐藏失效 */
[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  margin: 0;
  min-height: 100%;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: var(--bg-0);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ---------- 背景光斑 ---------- */
.aurora {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(1200px 700px at 12% -8%, #1b2a6b 0%, transparent 62%),
    radial-gradient(900px 620px at 92% 8%, #4a1f6b 0%, transparent 58%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 60%, #04060f 100%);
}

.aurora .blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  will-change: transform;
}
.b1 { width: 46vw; height: 46vw; left: -10vw; top: -12vw; background: #4f6bff; animation: drift1 26s var(--ease) infinite; }
.b2 { width: 40vw; height: 40vw; right: -8vw; top: 4vh; background: #b13cff; animation: drift2 32s var(--ease) infinite; }
.b3 { width: 44vw; height: 44vw; left: 26vw; bottom: -22vw; background: #00c2d6; opacity: 0.4; animation: drift3 38s var(--ease) infinite; }
.b4 { width: 28vw; height: 28vw; right: 12vw; bottom: 6vh; background: #ff5f9e; opacity: 0.28; animation: drift1 30s var(--ease) infinite reverse; }

.aurora .grain {
  position: absolute;
  inset: -50%;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

@keyframes drift1 {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(7vw, 6vh, 0) scale(1.14); }
}
@keyframes drift2 {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1.06); }
  50% { transform: translate3d(-8vw, 9vh, 0) scale(0.92); }
}
@keyframes drift3 {
  0%, 100% { transform: translate3d(0, 0, 0) scale(0.96); }
  50% { transform: translate3d(5vw, -7vh, 0) scale(1.12); }
}

/* ---------- 玻璃基类 ---------- */
.glass {
  position: relative;
  background: var(--glass);
  backdrop-filter: blur(26px) saturate(170%);
  -webkit-backdrop-filter: blur(26px) saturate(170%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.22);
  overflow: hidden;
}

/* 玻璃顶部高光扫光 */
.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0) 38%);
  opacity: 0.7;
}

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 18px clamp(14px, 4vw, 40px) 10px;
}

.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  border-radius: 22px;
  padding: 12px 14px 12px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: linear-gradient(140deg, rgba(139, 123, 255, 0.95), rgba(56, 220, 240, 0.9));
  box-shadow: 0 6px 18px rgba(101, 90, 255, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}
.brand-mark svg { width: 26px; height: 26px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 16px; letter-spacing: 0.06em; }
.brand-text span { font-size: 10.5px; color: var(--ink-faint); letter-spacing: 0.14em; text-transform: uppercase; }

/* ---------- 搜索 ---------- */
.search {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  padding: 6px 6px 6px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line-soft);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.search:focus-within {
  border-color: rgba(139, 123, 255, 0.65);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 4px rgba(139, 123, 255, 0.16);
}
.search-icon { width: 18px; height: 18px; color: var(--ink-faint); flex-shrink: 0; }
.search input {
  flex: 1;
  min-width: 0;
  background: none;
  border: 0;
  outline: 0;
  color: var(--ink);
  font-size: 14.5px;
  font-family: inherit;
  padding: 8px 0;
}
.search input::placeholder { color: var(--ink-faint); }

.icon-btn {
  width: 34px; height: 34px;
  flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 11px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink-dim);
  cursor: pointer;
  transition: 0.22s var(--ease);
}
.icon-btn svg { width: 17px; height: 17px; }
.icon-btn:hover { color: var(--ink); background: rgba(255, 255, 255, 0.14); transform: translateY(-1px); }
.icon-btn:active { transform: translateY(0); }

.go-btn {
  flex-shrink: 0;
  padding: 9px 20px;
  border: 0;
  border-radius: 11px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(135deg, #7b6bff, #34c8e8);
  box-shadow: 0 8px 20px rgba(86, 88, 255, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  transition: 0.22s var(--ease);
}
.go-btn:hover { transform: translateY(-1px); box-shadow: 0 12px 26px rgba(86, 88, 255, 0.5); }
.go-btn:active { transform: translateY(0); }
.go-btn[disabled] { opacity: 0.55; cursor: not-allowed; transform: none; }

/* 建议下拉 */
.suggest {
  position: absolute;
  top: calc(100% + 10px);
  left: 0; right: 0;
  z-index: 60;
  margin: 0;
  padding: 8px;
  list-style: none;
  max-height: 320px;
  overflow-y: auto;
  border-radius: 18px;
  background: rgba(14, 19, 42, 0.78);
  backdrop-filter: blur(28px) saturate(170%);
  -webkit-backdrop-filter: blur(28px) saturate(170%);
  border: 1px solid var(--line);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.5);
  animation: dropIn 0.2s var(--ease);
}
@keyframes dropIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

.suggest li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.16s var(--ease);
}
.suggest li:hover, .suggest li.active { background: rgba(255, 255, 255, 0.12); }
.suggest .s-name { font-size: 14.5px; font-weight: 600; }
.suggest .s-meta { font-size: 12px; color: var(--ink-faint); }
.suggest .s-country { margin-left: auto; font-size: 11.5px; color: var(--ink-faint); }
.suggest .empty { color: var(--ink-faint); cursor: default; justify-content: center; }
.suggest .empty:hover { background: none; }

/* ---------- 单位切换 ---------- */
.unit-switch {
  flex-shrink: 0;
  display: flex;
  padding: 4px;
  gap: 2px;
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--line-soft);
}
.unit-switch button {
  border: 0;
  background: none;
  color: var(--ink-faint);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: 10px;
  cursor: pointer;
  transition: 0.2s var(--ease);
}
.unit-switch button:hover { color: var(--ink); }
.unit-switch button.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(139, 123, 255, 0.9), rgba(56, 220, 240, 0.85));
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.28);
}

/* ---------- 主体容器 ---------- */
.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 8px clamp(14px, 4vw, 40px) 40px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* ---------- 快捷城市 ---------- */
.quick {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 20px;
}
.quick-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-right: 2px;
}
.quick-label.history-label { margin-left: 10px; }
.quick-list { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink-dim);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: 0.2s var(--ease);
}
.chip:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-1px);
  border-color: var(--line);
}

/* ---------- 状态 / 错误 ---------- */
.status {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  padding: 30px;
  color: var(--ink-dim);
  font-size: 14px;
}
.spinner {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2.5px solid rgba(255, 255, 255, 0.18);
  border-top-color: var(--accent);
  animation: spin 0.85s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  border-radius: 20px;
  border-color: rgba(255, 120, 140, 0.35);
  background: linear-gradient(140deg, rgba(255, 110, 130, 0.16), rgba(255, 255, 255, 0.05));
}
.error-icon {
  width: 30px; height: 30px;
  flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 10px;
  background: rgba(255, 110, 130, 0.25);
  color: #ffd7dd;
  font-weight: 700;
}
.error strong { font-size: 15px; }
.error p { margin: 4px 0 0; font-size: 13px; color: var(--ink-dim); }

/* ---------- 当前天气主卡 ---------- */
.hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  padding: clamp(22px, 3vw, 34px);
  animation: rise 0.55s var(--ease) both;
}
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.place-line { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.place-line h1 {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: 0.01em;
}
.badge {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-dim);
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid var(--line-soft);
}
.localtime { margin: 8px 0 0; font-size: 13px; color: var(--ink-faint); }

.temp-wrap { display: flex; align-items: flex-start; margin-top: 6px; }
.temp {
  font-size: clamp(62px, 11vw, 108px);
  font-weight: 200;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(160deg, #ffffff 10%, #b9c8ff 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 8px 30px rgba(120, 150, 255, 0.25);
}
.temp-unit { font-size: 22px; font-weight: 300; color: var(--ink-dim); margin: 10px 0 0 8px; }
.cur-desc { margin: 10px 0 0; font-size: 19px; font-weight: 600; }
.feels { margin: 4px 0 0; font-size: 13.5px; color: var(--ink-faint); }

.hero-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-width: 210px;
}
.hero-icon { width: clamp(96px, 13vw, 138px); height: clamp(96px, 13vw, 138px); filter: drop-shadow(0 12px 26px rgba(0, 0, 0, 0.4)); animation: floaty 6s ease-in-out infinite; }
.hero-icon svg { width: 100%; height: 100%; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.hero-range { display: flex; gap: 10px; }
.range-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--line-soft);
}
.range-item span { font-size: 11px; color: var(--ink-faint); }
.range-item strong { font-size: 17px; font-variant-numeric: tabular-nums; }

.sun { width: 100%; max-width: 230px; display: flex; flex-direction: column; gap: 6px; }
.sun-row { display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; }
.sun-row strong { font-variant-numeric: tabular-nums; }
.sun-tag { color: var(--ink-faint); }
.sun-bar {
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}
.sun-bar span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #ffb648, #ffe98a);
  box-shadow: 0 0 12px rgba(255, 190, 90, 0.6);
  transition: width 0.8s var(--ease);
}

/* ---------- 指标卡 ---------- */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 12px;
}
.metric {
  padding: 15px 17px;
  border-radius: 20px;
  background: var(--glass);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border: 1px solid var(--line-soft);
  box-shadow: 0 10px 28px rgba(2, 6, 24, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.16);
  transition: 0.28s var(--ease);
  animation: rise 0.55s var(--ease) both;
}
.metric:hover { transform: translateY(-3px); border-color: var(--line); background: var(--glass-strong); }
.metric .m-top { display: flex; align-items: center; gap: 7px; color: var(--ink-faint); font-size: 11.5px; letter-spacing: 0.05em; }
.metric .m-top svg { width: 14px; height: 14px; }
.metric .m-val { margin-top: 9px; font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; }
.metric .m-sub { margin-top: 3px; font-size: 11.5px; color: var(--ink-faint); }

/* ---------- 面板 ---------- */
.panel { padding: 20px clamp(16px, 2.4vw, 24px) 22px; animation: rise 0.55s var(--ease) both; }
.panel-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.panel-head h2 { margin: 0; font-size: 17px; font-weight: 650; letter-spacing: 0.02em; }
.panel-note { font-size: 12px; color: var(--ink-faint); }

/* ---------- 24h 图表 ---------- */
.chart { width: 100%; overflow-x: auto; overflow-y: hidden; }
.chart svg { display: block; min-width: 640px; }
.c-grid { stroke: rgba(255, 255, 255, 0.09); stroke-width: 1; }
.c-axis { fill: var(--ink-faint); font-size: 11px; font-variant-numeric: tabular-nums; }
.c-line { fill: none; stroke: url(#cGrad); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 4px 10px rgba(120, 150, 255, 0.35)); }
.c-area { fill: url(#cArea); }
.c-dot { fill: #fff; stroke: #7b8cff; stroke-width: 2.5; }
.c-precip { fill: url(#pGrad); opacity: 0.55; }
.c-label { fill: var(--ink); font-size: 11.5px; font-weight: 600; font-variant-numeric: tabular-nums; }
.c-now { stroke: rgba(255, 255, 255, 0.5); stroke-width: 1.2; stroke-dasharray: 4 4; }

/* ---------- 一周预报 ---------- */
.week {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 10px;
}
.day {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 15px 8px 14px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line-soft);
  cursor: pointer;
  transition: 0.25s var(--ease);
}
.day:hover, .day.sel {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(139, 123, 255, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(2, 6, 24, 0.4);
}
.day .d-name { font-size: 12.5px; color: var(--ink-dim); }
.day .d-date { font-size: 10.5px; color: var(--ink-faint); }
.day .d-icon { width: 42px; height: 42px; }
.day .d-icon svg { width: 100%; height: 100%; }
.day .d-temp { font-size: 17px; font-weight: 600; font-variant-numeric: tabular-nums; }
.day .d-min { font-size: 12.5px; color: var(--ink-faint); font-variant-numeric: tabular-nums; }
.day .d-precip { display: flex; align-items: center; gap: 3px; font-size: 11px; color: #8fd3ff; }
.day .d-precip svg { width: 11px; height: 11px; }

.day-detail {
  margin-top: 14px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line-soft);
  animation: rise 0.3s var(--ease) both;
}
.dd-title { font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.dd-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; }
.dd-item { display: flex; flex-direction: column; gap: 3px; }
.dd-item span { font-size: 11px; color: var(--ink-faint); }
.dd-item strong { font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; }

/* ---------- 页脚 ---------- */
.foot {
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--ink-faint);
}
.foot a { color: var(--ink-dim); text-decoration: none; border-bottom: 1px solid rgba(255, 255, 255, 0.2); }
.foot a:hover { color: var(--ink); }
.foot .dot { opacity: 0.4; }

/* ---------- 响应式 ---------- */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .hero-right { flex-direction: row; justify-content: space-between; align-items: center; min-width: 0; width: 100%; }
  .sun { max-width: none; flex: 1; }
  .week { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 720px) {
  .topbar-inner { flex-wrap: wrap; padding: 12px; row-gap: 10px; }
  .brand { order: 1; }
  .unit-switch { order: 2; margin-left: auto; }
  .search { order: 3; flex-basis: 100%; }
  .week { grid-template-columns: repeat(2, 1fr); }
  .hero { gap: 18px; }
  .hero-right { flex-direction: column; }
  .sun { width: 100%; }
}

@media (max-width: 420px) {
  .temp { font-size: 58px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 可访问性 ---------- */
:focus-visible { outline: 2px solid rgba(139, 123, 255, 0.9); outline-offset: 3px; border-radius: 8px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}