/* ===== 生辰工具箱 样式（色板与全站子应用一致：UnitConvert / IdCard / Almanac） =====
   ① 顶部表单是全站唯一输入口，下面的结果块依次排开；结果区一律「标签 / 值 / 复制」三列 grid，
      农历与配对描述可能较长，值列必须允许折行。
   ② 八字四柱卡是 4 列 grid，窄屏折成 2×2；大字干支用衬线突出。
   ③ 五行条用主题色 5 档区分，深浅色都可读。 */
:root {
  --bg: #f5f6f8;
  --bg-card: #ffffff;
  --bg-hover: #f0f2f5;
  --text: #2c3e50;
  --text-sub: #7f8c9b;
  --border: #e8ebef;
  --accent: #3b82f6;
  --accent-soft: rgba(59, 130, 246, .1);
  --accent-text: #fff;
  --danger: #e2544d;
  --ok: #2f9e5f;
  --shadow: 0 2px 8px rgba(30, 40, 60, .06);
  --bar-bg: #f7f8fa;
  --code-bg: #f4f6f9;
  --tag-bg: #eef2f7;
  --wx-metal: #b08a2e;
  --wx-wood: #2f9e5f;
  --wx-water: #2f6fb0;
  --wx-fire: #d0453a;
  --wx-earth: #a06a3a;
}

html[data-theme="dark"] {
  --bg: #060a17;
  --bg-card: #0d1424;
  --bg-hover: #1a2336;
  --text: #dce3ec;
  --text-sub: #8794a8;
  --border: #1e2a44;
  --accent: #4d94ff;
  --accent-soft: rgba(77, 148, 255, .16);
  --danger: #ff6b64;
  --ok: #4ade80;
  --shadow: 0 2px 10px rgba(0, 0, 0, .5);
  --bar-bg: #0a1120;
  --code-bg: #101a30;
  --tag-bg: #16213a;
  --wx-metal: #e6c46a;
  --wx-wood: #4ade80;
  --wx-water: #6aa8ff;
  --wx-fire: #ff8b7a;
  --wx-earth: #d8a06a;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.6;
  font-variant-numeric: tabular-nums;
  transition: background .25s, color .25s;
}

/* ===== 顶栏（全站统一骨架） ===== */
.topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 18px; background: var(--bar-bg);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.topbar .back { color: var(--accent); text-decoration: none; font-size: 14px; white-space: nowrap; }
.topbar .back:hover { text-decoration: underline; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-text { min-width: 0; overflow: hidden; }
.brand-mark { width: 34px; height: 34px; border-radius: 8px; background: var(--accent-soft); display: flex; align-items: center; justify-content: center; flex: none; }
.brand-mark img { width: 26px; height: 26px; }
.brand-text h1 { font-size: 17px; line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand-text p { font-size: 12px; color: var(--text-sub); line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.spacer { flex: 1; }
.icon-btn {
  border: 1px solid var(--border); background: var(--bg-card); color: var(--text);
  border-radius: 8px; padding: 6px 10px; cursor: pointer; font-size: 15px; line-height: 1;
}
.icon-btn:hover { background: var(--bg-hover); }
.lang-switch { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.lang-btn {
  border: none; background: var(--bg-card); color: var(--text-sub);
  padding: 6px 10px; font-size: 13px; cursor: pointer; text-decoration: none;
}
.lang-btn + .lang-btn { border-left: 1px solid var(--border); }
.lang-btn.active { background: var(--accent); color: var(--accent-text); }

/* ===== 通用控件 ===== */
.btn {
  border: 1px solid var(--border); background: var(--bg-card); color: var(--text);
  border-radius: 8px; padding: 7px 12px; font-size: 13px; cursor: pointer; font-family: inherit;
}
.btn:hover { background: var(--bg-hover); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover { filter: brightness(1.08); }
.mini {
  border: 1px solid var(--border); background: var(--bg-card); color: var(--text-sub);
  border-radius: 6px; padding: 3px 9px; font-size: 12px; cursor: pointer; font-family: inherit;
}
.mini:hover { background: var(--bg-hover); color: var(--text); }
.note { font-size: 13px; color: var(--text-sub); }
.hint { font-size: 13px; color: var(--text-sub); margin-top: 10px; }

.birthtools { max-width: 1060px; margin: 0 auto; padding: 16px 16px 4px; }
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow); padding: 14px 16px 18px; margin-bottom: 14px; min-width: 0;
}
.card h2 { font-size: 17px; margin: 2px 0 10px; }
.card h3 { font-size: 15px; margin: 14px 0 8px; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.head-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.check { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-sub); cursor: pointer; }
.check input { accent-color: var(--accent); cursor: pointer; }

/* ===== 表单行 ===== */
.form-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 8px 0; }
.form-row.opts { flex-direction: column; align-items: flex-start; gap: 6px; }
.fld-label { font-size: 12px; color: var(--text-sub); }
.fld {
  border: 1px solid var(--border); background: var(--bg-card); color: var(--text);
  border-radius: 9px; padding: 8px 10px; font-size: 14px; font-family: inherit;
}
.fld:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
input[type="number"].fld { width: 140px; }
.form-error { display: none; margin-top: 8px; font-size: 13px; color: var(--danger); word-break: break-word; }
.form-error.show { display: block; }
.preset-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 6px 0 10px; }

/* ===== 结果行（全站同款三列） ===== */
.res-wrap { margin-top: 10px; }
.info-grid { display: flex; flex-direction: column; gap: 6px; }
.info-row {
  display: grid; grid-template-columns: minmax(110px, 170px) minmax(0, 1fr) auto;
  align-items: center; gap: 12px;
  border: 1px solid var(--border); border-radius: 10px; background: var(--bg);
  padding: 7px 12px; min-width: 0;
}
.info-k { font-size: 13px; color: var(--text-sub); }
.info-v { font-size: 15px; min-width: 0; overflow-wrap: anywhere; }
.info-copy { flex: none; }
.res-foot { margin-top: 10px; display: flex; justify-content: flex-end; }
.hero-line { font-size: 19px; font-weight: 600; margin: 4px 0; }
.score-bar {
  height: 10px; border-radius: 6px; background: var(--tag-bg); margin-top: 10px; overflow: hidden;
}
.score-bar i { display: block; height: 100%; background: var(--accent); border-radius: 6px; }

/* ===== 八字结果 ===== */
.bz-chars { display: flex; gap: 14px; flex-wrap: wrap; margin: 6px 0 4px; }
.bz-zi { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.bz-zi b {
  font-family: "STKaiti", "KaiTi", "Songti SC", serif;
  font-size: 34px; font-weight: 700; line-height: 1.15;
  background: var(--accent-soft); border: 1px solid var(--accent); border-radius: 10px;
  min-width: 52px; padding: 4px 10px; text-align: center;
}
.bz-zi i { font-style: normal; font-size: 12px; color: var(--text-sub); }
.bz-summary { font-size: 15px; margin: 8px 0 4px; }
.pillar-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 12px 0; }
.pillar, .pillar.skip {
  border: 1px solid var(--border); border-radius: 12px; background: var(--bg);
  padding: 10px 12px; min-width: 0;
}
.pillar h4, .pillar.skip h4 { font-size: 13px; color: var(--text-sub); margin-bottom: 6px; }
.pd-gz { display: flex; gap: 10px; margin-bottom: 6px; }
.pd-gan, .pd-zhi {
  font-family: "STKaiti", "KaiTi", "Songti SC", serif;
  font-size: 24px; font-weight: 700; display: inline-flex; align-items: baseline; gap: 2px;
}
.pd-gan em, .pd-zhi em { font-style: normal; font-size: 11px; color: var(--text-sub); }
.pillar p { font-size: 12.5px; margin: 3px 0; min-width: 0; overflow-wrap: anywhere; }
.pd-k { color: var(--text-sub); }

.wx-list { display: flex; flex-direction: column; gap: 6px; margin: 6px 0 12px; }
.wx-row { display: grid; grid-template-columns: 44px minmax(0, 1fr) 52px; align-items: center; gap: 10px; }
.wx-name { font-size: 14px; font-weight: 600; }
.wx-bar { height: 10px; background: var(--tag-bg); border-radius: 6px; overflow: hidden; }
.wx-bar i { display: block; height: 100%; border-radius: 6px; }
.wx-row:nth-child(1) .wx-bar i { background: var(--wx-metal); }
.wx-row:nth-child(2) .wx-bar i { background: var(--wx-wood); }
.wx-row:nth-child(3) .wx-bar i { background: var(--wx-water); }
.wx-row:nth-child(4) .wx-bar i { background: var(--wx-fire); }
.wx-row:nth-child(5) .wx-bar i { background: var(--wx-earth); }
.wx-num { font-size: 13px; color: var(--text-sub); text-align: right; }

/* ===== 说明正文（全站统一） ===== */
.doc {
  max-width: 900px; margin: 24px auto 40px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow); padding: 22px 26px 26px;
}
.doc h2 { font-size: 18px; margin: 22px 0 8px; }
.doc h2:first-child { margin-top: 0; }
.doc p { margin: 8px 0; color: var(--text); }
.doc ul { margin: 8px 0 8px 22px; }
.doc li { margin: 6px 0; }
.doc dl dt { font-weight: 700; margin-top: 12px; }
.doc dl dd { margin: 4px 0 10px; color: var(--text); }
.doc a { color: var(--accent); }
.ver { margin-top: 24px; font-size: 13px; color: var(--text-sub); text-align: center; }
.rel-links { display: flex; flex-wrap: wrap; gap: 8px 16px; list-style: none; margin-left: 0; }
.rel-links li { margin: 0; }
.rel-links a { color: var(--accent); text-decoration: none; }
.rel-links a:hover { text-decoration: underline; }

/* ===== 提示条 ===== */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px);
  background: #1f2937; color: #fff; padding: 10px 18px; border-radius: 10px;
  font-size: 13px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
  z-index: 200; max-width: min(90vw, 560px); word-break: break-all;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ===== 响应式 ===== */
@media (max-width: 700px) {
  .brand-text p { display: none; }
  .topbar { flex-wrap: wrap; row-gap: 6px; }
  .info-row { grid-template-columns: minmax(0, 1fr) auto; }
  .info-row .info-k { grid-column: 1 / -1; }
  .pillar-grid { grid-template-columns: 1fr 1fr; }
  .bz-zi b { font-size: 26px; min-width: 44px; }
}
@media (max-width: 420px) {
  .topbar .spacer { display: none; }
  .topbar .lang-switch { margin-left: auto; }
  .pillar-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .btn, .mini, .info-row { transition: none; }
}