/* =====================================================================
 * 个人工作台 · 基础样式（base.css）
 * 明暗主题 CSS 变量 + 响应式布局 + 天气模块样式
 * ===================================================================== */

/* ---------- 主题变量 ---------- */
:root {
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;

  --bg: #f4f6f9;
  --bg-card: #ffffff;
  --bg-subtle: #eef1f6;
  --text: #1c2430;
  --text-2: #5b6675;
  --text-3: #8a94a3;
  --border: #e3e8ef;
  --accent: #2f6bff;
  --accent-soft: rgba(47, 107, 255, 0.10);

  --green: #16a34a;  --green-bg: rgba(22, 163, 74, 0.12);
  --yellow: #d97706; --yellow-bg: rgba(217, 119, 6, 0.13);
  --red: #dc2626;    --red-bg: rgba(220, 38, 38, 0.12);

  --shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --radius: 14px;
}

[data-theme="dark"] {
  --bg: #0f1420;
  --bg-card: #171e2e;
  --bg-subtle: #1d2637;
  --text: #e8edf5;
  --text-2: #a6b2c4;
  --text-3: #6f7c92;
  --border: #2a3446;
  --accent: #5b8cff;
  --accent-soft: rgba(91, 140, 255, 0.15);

  --green: #4ade80;  --green-bg: rgba(74, 222, 128, 0.14);
  --yellow: #fbbf24; --yellow-bg: rgba(251, 191, 36, 0.14);
  --red: #f87171;    --red-bg: rgba(248, 113, 113, 0.14);

  --shadow: 0 1px 3px rgba(0, 0, 0, 0.30);
}

/* ---------- 基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.25s, color 0.25s;
  min-height: 100vh;
}

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1080px; margin: 0 auto; padding: 10px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.brand { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
.brand-name { font-size: 17px; font-weight: 700; white-space: nowrap; }
.brand-sub { font-size: 12px; color: var(--text-3); white-space: nowrap; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.module-nav { display: flex; gap: 4px; }
.module-nav-item {
  font-size: 13px; color: var(--text-3); padding: 4px 10px;
  border-radius: 8px; white-space: nowrap;
}
.module-nav-item.is-active {
  color: var(--accent); background: var(--accent-soft); font-weight: 600;
}
.icon-btn {
  border: 1px solid var(--border); background: var(--bg-subtle);
  border-radius: 10px; width: 36px; height: 36px; font-size: 16px;
  cursor: pointer; line-height: 1; flex: none;
}
.icon-btn:hover { border-color: var(--accent); }

/* ---------- 布局 ---------- */
.container { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.footer {
  padding: 28px 16px 44px; text-align: center;
  color: var(--text-3); font-size: 12px;
}
.footer-sep { margin: 0 8px; }

.widget-placeholder, .widget-error {
  padding: 48px 16px; text-align: center; color: var(--text-3); font-size: 14px;
}
.widget-error { color: var(--red); }

/* ---------- 卡片网格 ---------- */
.weather-grid {
  display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px;
  margin-top: 14px;
}
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow);
}
.span4 { grid-column: span 4; }
.span5 { grid-column: span 5; }
.span6 { grid-column: span 6; }
.span7 { grid-column: span 7; }
.span8 { grid-column: span 8; }
.span12 { grid-column: span 12; }
@media (max-width: 860px) {
  .span4, .span5, .span6, .span7, .span8 { grid-column: span 12; }
}

.card-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 700; margin-bottom: 10px;
}
.card-title .t-icon { font-size: 17px; }
.card-title .t-extra { margin-left: auto; font-size: 12px; font-weight: 400; color: var(--text-3); }

/* ---------- 天气页头 ---------- */
.weather-head {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 10px; margin: 20px 0 0;
}
.weather-loc {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  font-size: 14px; color: var(--text-2);
}
.weather-loc .loc-name { font-weight: 700; color: var(--text); font-size: 16px; }
.weather-updated { font-size: 12px; color: var(--text-3); }
.stale-badge {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--yellow-bg); color: var(--yellow);
  font-size: 12px; font-weight: 600; padding: 2px 10px; border-radius: 999px;
}
.refresh-btn {
  border: 1px solid var(--border); background: var(--bg-card); color: var(--text-2);
  border-radius: 10px; padding: 6px 14px; font-size: 13px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
}
.refresh-btn:hover { border-color: var(--accent); color: var(--accent); }
.refresh-btn:disabled { opacity: 0.5; cursor: default; }

/* ---------- 当前天气大卡 ---------- */
.current-card { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 26px; }
.current-main { display: flex; align-items: center; gap: 14px; }
.current-icon { font-size: 52px; line-height: 1; }
.current-temp { font-size: 56px; font-weight: 700; line-height: 1; letter-spacing: -1px; }
.current-temp sup { font-size: 22px; font-weight: 600; }
.current-desc { font-size: 15px; font-weight: 600; margin-top: 4px; }
.current-apparent { font-size: 13px; color: var(--text-3); margin-top: 2px; }
.current-meta {
  flex: 1; min-width: 240px;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(104px, 1fr)); gap: 10px 18px;
}
.meta-item .meta-k { font-size: 12px; color: var(--text-3); }
.meta-item .meta-v { font-size: 15px; font-weight: 600; }

/* ---------- 今日 / 明日卡 ---------- */
.day-card-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.day-title { font-weight: 700; font-size: 16px; }
.day-sub { font-size: 12px; color: var(--text-3); }
.day-temps { display: flex; align-items: baseline; gap: 10px; margin: 4px 0 10px; }
.day-icon { font-size: 26px; }
.day-tmax { font-size: 28px; font-weight: 700; }
.day-tmin { font-size: 17px; color: var(--text-3); }
.day-desc { font-size: 13px; color: var(--text-2); margin-bottom: 8px; }
.day-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px 14px; font-size: 13px; }
.day-grid .k { color: var(--text-3); }
.day-grid .v { font-weight: 600; }

/* ---------- 24h 曲线图 ---------- */
.hourly-chart { width: 100%; height: auto; display: block; }
.chart-line { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.chart-area { fill: var(--accent); opacity: 0.12; }
.chart-precip-bar { fill: #38bdf8; opacity: 0.35; }
.chart-label { fill: var(--text-3); font-size: 10px; }
.chart-dot { fill: var(--accent); }
.chart-legend { display: flex; gap: 16px; font-size: 12px; color: var(--text-3); margin-top: 6px; }
.chart-legend i { display: inline-block; width: 14px; height: 3px; border-radius: 2px; margin-right: 5px; vertical-align: middle; }

/* ---------- 建议列表 ---------- */
.advice-summary { font-size: 14px; margin-bottom: 8px; }
.advice-list { list-style: none; }
.advice-list li {
  display: flex; gap: 10px; padding: 7px 0;
  border-bottom: 1px dashed var(--border); font-size: 14px;
}
.advice-list li:last-child { border-bottom: none; }
.advice-list .k { flex: 0 0 3.6em; color: var(--text-3); font-weight: 600; }
.advice-list .v { flex: 1; }

/* ---------- 标签 / 装备 chips ---------- */
.tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;
}
.tag-green { background: var(--green-bg); color: var(--green); }
.tag-yellow { background: var(--yellow-bg); color: var(--yellow); }
.tag-red { background: var(--red-bg); color: var(--red); }
.tag-neutral { background: var(--bg-subtle); color: var(--text-2); }
.chip {
  display: inline-block; background: var(--bg-subtle); border-radius: 8px;
  padding: 3px 10px; font-size: 13px; color: var(--text-2); margin: 0 6px 6px 0;
}

/* ---------- 通勤卡 ---------- */
.commute-riding { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 14px; margin-bottom: 10px; }
.riding-temp { font-size: 34px; font-weight: 700; line-height: 1; }
.riding-label { font-size: 13px; color: var(--text-3); }
.commute-sub { font-size: 13px; color: var(--text-2); margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--border); }

/* ---------- 空气质量 ---------- */
.aqi-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 4px; }
.aqi-num { font-size: 34px; font-weight: 700; line-height: 1; }
.aqi-level { font-size: 14px; font-weight: 600; }
.aqi-bar-wrap { margin: 10px 0 12px; }
.aqi-bar {
  height: 8px; border-radius: 999px; position: relative;
  background: linear-gradient(90deg, #4ade80 0%, #fbbf24 45%, #f87171 70%, #a78bfa 100%);
}
.aqi-dot {
  position: absolute; top: -4px; width: 16px; height: 16px; border-radius: 50%;
  border: 3px solid #fff; box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.2);
  transform: translateX(-50%); transition: left 0.3s;
}
.aqi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; font-size: 13px; }
.aqi-grid .k { color: var(--text-3); }
.aqi-grid .v { font-weight: 600; }
.aqi-tip { font-size: 13px; margin-top: 10px; padding: 8px 10px; background: var(--bg-subtle); border-radius: 8px; }

/* ---------- 7 天预报 ---------- */
.fc-row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 14px;
}
.fc-row:last-child { border-bottom: none; }
.fc-day { flex: 0 0 5.2em; color: var(--text-2); }
.fc-day b { color: var(--text); }
.fc-icon { flex: none; font-size: 18px; width: 1.6em; text-align: center; }
.fc-desc { flex: 0 0 4.6em; color: var(--text-2); font-size: 13px; }
.fc-rain { flex: none; width: 3.4em; font-size: 12px; color: var(--text-3); text-align: right; }
.fc-range { flex: 1; min-width: 70px; height: 6px; border-radius: 999px; background: var(--bg-subtle); position: relative; }
.fc-range i { position: absolute; top: 0; bottom: 0; border-radius: 999px; background: linear-gradient(90deg, var(--accent), #7aa5ff); }
.fc-temps { flex: none; width: 6.2em; text-align: right; font-size: 13px; }
.fc-temps b { font-size: 15px; }
.fc-temps .lo { color: var(--text-3); }
@media (max-width: 560px) {
  .fc-desc, .fc-rain { display: none; }
  .fc-day { flex-basis: 4.4em; }
}

/* ---------- PWA 安装引导 ---------- */
.install-banner {
  position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 50;
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 10px 12px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.14);
  font-size: 13px; color: var(--text-2);
}
.install-text { flex: 1; line-height: 1.5; }
.install-btn {
  border: none; background: var(--accent); color: #fff;
  border-radius: 8px; padding: 6px 14px; font-size: 13px;
  cursor: pointer; flex: none;
}
.install-close {
  border: none; background: transparent; color: var(--text-3);
  font-size: 18px; cursor: pointer; flex: none; padding: 0 4px; line-height: 1;
}
@media (min-width: 861px) {
  .install-banner { left: 50%; right: auto; transform: translateX(-50%); width: 720px; }
}