/* ===========================================================================
 * styles.css —— 程序员版工作性价比计算器
 * 暗色为默认（程序员友好），支持切换亮色
 * =========================================================================== */

:root {
  --bg:            #0f1418;
  --bg-elev:       #161d23;
  --bg-elev2:      #1c252d;
  --bg-input:      #111a20;
  --border:        #26333d;
  --border-soft:   #1e2a33;
  --text:          #dde5ea;
  --text-dim:      #8fa1ad;
  --text-faint:    #61717c;
  --accent:        #35d39a;
  --accent-dim:    #1f7a5c;
  --accent-soft:   rgba(53, 211, 154, 0.10);
  --warn:          #e0a33d;
  --warn-soft:     rgba(224, 163, 61, 0.10);
  --danger:        #e5604f;
  --danger-soft:   rgba(229, 96, 79, 0.10);
  --info:          #4aa3e0;
  --purple:        #9b7ce0;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC",
          "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  --radius: 10px;
  --shadow: 0 2px 14px rgba(0,0,0,.30);
}

html[data-theme="light"] {
  --bg:            #f5f7f6;
  --bg-elev:       #ffffff;
  --bg-elev2:      #f0f3f2;
  --bg-input:      #ffffff;
  --border:        #dbe2e0;
  --border-soft:   #e7ecea;
  --text:          #1b2430;
  --text-dim:      #5d6b76;
  --text-faint:    #8a97a1;
  --accent:        #12996c;
  --accent-dim:    #0d7a55;
  --accent-soft:   rgba(18, 153, 108, 0.09);
  --warn:          #b57611;
  --warn-soft:     rgba(181, 118, 17, 0.10);
  --danger:        #c53a28;
  --danger-soft:   rgba(197, 58, 40, 0.09);
  --info:          #1a72b0;
  --purple:        #6d47ba;
  --shadow: 0 2px 12px rgba(20,30,40,.07);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); }

/* ---------------- 布局 ---------------- */
.wrap { max-width: 1560px; margin: 0 auto; padding: 0 20px 60px; }

header.top {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 22px;
}
.top-inner {
  max-width: 1560px; margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.brand { display: flex; align-items: baseline; gap: 10px; margin-right: auto; }
.brand h1 { font-size: 17px; margin: 0; font-weight: 700; letter-spacing: .2px; }
.brand .tag {
  font-family: var(--mono); font-size: 11px; color: var(--accent);
  border: 1px solid var(--accent-dim); border-radius: 4px; padding: 1px 6px;
}
.brand .sub { font-size: 12px; color: var(--text-faint); }

.btns { display: flex; gap: 8px; flex-wrap: wrap; }
button, .btn {
  font-family: inherit; font-size: 12.5px;
  background: var(--bg-elev); color: var(--text);
  border: 1px solid var(--border); border-radius: 7px;
  padding: 6px 12px; cursor: pointer; transition: .13s;
  white-space: nowrap;
}
button:hover, .btn:hover { border-color: var(--accent); color: var(--accent); }
button.primary { background: var(--accent); color: #06120d; border-color: var(--accent); font-weight: 600; }
button.primary:hover { filter: brightness(1.1); color: #06120d; }
button.ghost { background: transparent; }
button:active { transform: translateY(1px); }

.layout { display: grid; grid-template-columns: minmax(0,1fr) 420px; gap: 22px; align-items: start; }
@media (max-width: 1180px) { .layout { grid-template-columns: 1fr; } .panel-right { position: static !important; } }

/* ---------------- 卡片 ---------------- */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card + .card { margin-top: 16px; }

/* ---------------- 表单分组 ---------------- */
.section { margin-bottom: 14px; }
.section-head {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 16px; cursor: pointer; user-select: none;
  border-bottom: 1px solid transparent;
}
.section.open .section-head { border-bottom-color: var(--border-soft); }
.section-head .ico {
  width: 26px; height: 26px; flex: none; border-radius: 6px;
  background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; font-size: 13px; font-weight: 700;
  font-family: var(--mono);
}
.section-head h2 { font-size: 14.5px; margin: 0; font-weight: 650; }
.section-head .desc { font-size: 11.5px; color: var(--text-faint); margin-top: 1px; line-height: 1.45; }
.section-head .chev { margin-left: auto; color: var(--text-faint); transition: .2s; font-size: 11px; }
.section.open .section-head .chev { transform: rotate(90deg); }
.section-body { display: none; padding: 14px 16px 18px; }
.section.open .section-body { display: block; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; }
@media (max-width: 720px) { .grid2 { grid-template-columns: 1fr; } }

.field { min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label.lb {
  display: block; font-size: 12.5px; font-weight: 550;
  margin-bottom: 5px; color: var(--text);
}
.field .hint { font-size: 11px; color: var(--text-faint); margin-top: 4px; line-height: 1.45; }
.field .opt-hint { font-size: 11px; color: var(--accent); margin-top: 4px; line-height: 1.45; }

input[type="number"], input[type="text"], select {
  width: 100%; font-family: inherit; font-size: 13px;
  background: var(--bg-input); color: var(--text);
  border: 1px solid var(--border); border-radius: 7px;
  padding: 7px 10px; outline: none; transition: .13s;
}
select { cursor: pointer; }
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
input[type="number"] { font-family: var(--mono); }

.with-unit { position: relative; }
.with-unit .unit {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  font-size: 11px; color: var(--text-faint); pointer-events: none;
}
.with-unit input { padding-right: 46px; }

.switch { display: flex; align-items: center; gap: 9px; cursor: pointer; padding: 4px 0; }
.switch input { display: none; }
.switch .track {
  width: 36px; height: 20px; border-radius: 999px; flex: none;
  background: var(--bg-elev2); border: 1px solid var(--border);
  position: relative; transition: .16s;
}
.switch .track::after {
  content: ''; position: absolute; left: 2px; top: 2px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--text-faint); transition: .16s;
}
.switch input:checked + .track { background: var(--accent-soft); border-color: var(--accent); }
.switch input:checked + .track::after { left: 18px; background: var(--accent); }

.checks { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px,1fr)); gap: 6px 12px; }
.chk { display: flex; align-items: center; gap: 7px; font-size: 12px; cursor: pointer; }
.chk input { accent-color: var(--accent); width: 14px; height: 14px; cursor: pointer; }

/* ---------------- 结果面板 ---------------- */
.panel-right { position: sticky; top: 74px; }

.score-box { padding: 20px 18px 16px; text-align: center; }
.score-num {
  font-family: var(--mono); font-size: 62px; font-weight: 700;
  line-height: 1; letter-spacing: -2px;
}
.score-rating {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: 12px; padding: 5px 14px; border-radius: 999px;
  font-size: 14px; font-weight: 650; color: #fff;
}
.score-desc { font-size: 11.5px; color: var(--text-dim); margin-top: 11px; line-height: 1.55; text-align: left; }
.score-scale { display: flex; gap: 2px; margin-top: 14px; }
.score-scale .seg { flex: 1; height: 5px; border-radius: 2px; opacity: .28; transition: .2s; }
.score-scale .seg.on { opacity: 1; }
.score-scale-lbl { display: flex; justify-content: space-between; font-size: 9.5px; color: var(--text-faint); margin-top: 4px; font-family: var(--mono); }

.hourly-cmp {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 8px; align-items: center;
  margin: 16px 0 4px; padding: 12px; border-radius: 8px; background: var(--bg-elev2);
}
.hourly-cmp .h-val { font-family: var(--mono); font-size: 21px; font-weight: 700; }
.hourly-cmp .h-lbl { font-size: 10.5px; color: var(--text-faint); margin-top: 2px; line-height: 1.35; }
.hourly-cmp .vs { font-size: 11px; color: var(--text-faint); }

.radar-wrap { padding: 4px 10px 12px; }
.radar-legend { display: grid; grid-template-columns: repeat(5,1fr); gap: 4px; padding: 0 10px 12px; }
.radar-legend div { text-align: center; }
.radar-legend .rl-v { font-family: var(--mono); font-size: 14px; font-weight: 700; color: var(--accent); }
.radar-legend .rl-k { font-size: 10px; color: var(--text-faint); }

.kv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border-soft); }
.kv { background: var(--bg-elev); padding: 11px 14px; }
.kv .k { font-size: 10.5px; color: var(--text-faint); }
.kv .v { font-family: var(--mono); font-size: 16px; font-weight: 650; margin-top: 2px; }
.kv .v small { font-size: 10.5px; color: var(--text-faint); font-weight: 400; margin-left: 3px; }

/* ---------------- 公式拆解 ---------------- */
.formula { padding: 14px 16px; font-family: var(--mono); font-size: 12px; }
.formula .frow { display: flex; justify-content: space-between; gap: 10px; padding: 3px 0; }
.formula .frow .fk { color: var(--text-dim); }
.formula .frow .fv { font-weight: 650; }
.formula hr { border: 0; border-top: 1px solid var(--border-soft); margin: 8px 0; }
.formula .ftitle { font-size: 11px; color: var(--text-faint); text-transform: uppercase; letter-spacing: .6px; margin-bottom: 4px; }
.formula .up { color: var(--accent); }
.formula .down { color: var(--warn); }
.formula .total { font-size: 13.5px; }

/* ---------------- 诊断 ---------------- */
.diag { padding: 6px 0 10px; }
.diag-row {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 10px;
  padding: 9px 16px; border-top: 1px solid var(--border-soft);
}
.diag-row:first-child { border-top: 0; }
.diag-row .dl { font-size: 12.5px; font-weight: 550; }
.diag-row .dt { font-size: 11px; color: var(--text-faint); grid-column: 1 / -1; margin-top: -2px; }
.diag-row .dv { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--accent); white-space: nowrap; }
.diag-bar { grid-column: 1 / -1; height: 4px; background: var(--bg-elev2); border-radius: 2px; overflow: hidden; margin-top: 4px; }
.diag-bar i { display: block; height: 100%; background: var(--accent); border-radius: 2px; }
.badge {
  display: inline-block; font-size: 10px; padding: 1px 6px; border-radius: 4px;
  background: var(--bg-elev2); color: var(--text-faint); margin-right: 6px;
  font-family: var(--mono);
}

/* ---------------- Tabs ---------------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border-soft); padding: 0 12px; flex-wrap: wrap; }
.tab {
  padding: 10px 14px; font-size: 13px; cursor: pointer; color: var(--text-dim);
  border-bottom: 2px solid transparent; margin-bottom: -1px; transition: .13s;
}
.tab:hover { color: var(--text); }
.tab.on { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.tab-body { padding: 16px; display: none; }
.tab-body.on { display: block; }

/* ---------------- 表格 ---------------- */
table.tbl { width: 100%; border-collapse: collapse; font-size: 12.5px; }
table.tbl th, table.tbl td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border-soft); }
table.tbl th { font-size: 11px; color: var(--text-faint); font-weight: 600; text-transform: uppercase; letter-spacing: .4px; }
table.tbl td.num, table.tbl th.num { text-align: right; font-family: var(--mono); }
table.tbl tr:hover td { background: var(--bg-elev2); }
table.tbl td.best { color: var(--accent); font-weight: 700; }
.tbl-scroll { overflow-x: auto; }

/* ---------------- 龙卷风图 ---------------- */
.tornado-row { display: grid; grid-template-columns: 220px 1fr 92px; gap: 10px; align-items: center; padding: 5px 0; }
.tornado-row .tl { font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tornado-track { position: relative; height: 20px; }
.tornado-track .axis { position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: var(--border); }
.tornado-track i { position: absolute; top: 3px; height: 14px; border-radius: 3px; }
.tornado-track i.pos { background: var(--accent); left: 50%; }
.tornado-track i.neg { background: var(--danger); right: 50%; }
.tornado-row .tv { font-family: var(--mono); font-size: 11.5px; text-align: right; color: var(--text-dim); }

/* ---------------- 国家切换 ---------------- */
.country-bar { display: inline-flex; gap: 4px; margin-left: 4px; }
.cbtn {
  font-size: 12px; padding: 4px 11px; border-radius: 999px;
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--text-dim);
}
.cbtn.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 650; }
.cbtn:hover { border-color: var(--accent); }
.score-country {
  font-size: 11px; color: var(--text-faint); margin-bottom: 6px;
  letter-spacing: .3px;
}

/* ---------------- 中西对照 ---------------- */
.dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
@media (max-width: 820px) { .dual-grid { grid-template-columns: 1fr; } }

.dual-slot {
  background: var(--bg-elev2); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 16px; text-align: center;
}
.dual-slot.empty { border-style: dashed; }
.dual-flag { font-size: 30px; line-height: 1.1; }
.dual-name { font-size: 13px; font-weight: 650; margin-top: 2px; }
.dual-score { font-family: var(--mono); font-size: 40px; font-weight: 700; line-height: 1.1; margin-top: 8px; }
.dual-rating { font-size: 12.5px; color: var(--text-dim); margin-bottom: 12px; }
.dual-kv { text-align: left; border-top: 1px solid var(--border-soft); padding-top: 10px; }
.dual-line {
  display: flex; justify-content: space-between; gap: 8px;
  font-size: 12px; padding: 3px 0; color: var(--text-dim);
}
.dual-line b { color: var(--text); font-family: var(--mono); font-weight: 650; }
.dual-btns { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; margin-top: 12px; }
.dual-btns button { font-size: 11.5px; padding: 5px 10px; }

.dual-h3 { font-size: 14px; margin: 22px 0 10px; font-weight: 650; }

.solve-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 820px) { .solve-grid { grid-template-columns: 1fr; } }
.solve-card {
  background: var(--accent-soft); border: 1px solid var(--accent-dim);
  border-radius: var(--radius); padding: 16px 18px;
}
.solve-head { font-size: 12.5px; color: var(--text-dim); }
.solve-num {
  font-family: var(--mono); font-size: 34px; font-weight: 700;
  color: var(--accent); line-height: 1.15; margin: 4px 0 6px;
}
.solve-num small { font-size: 15px; color: var(--text-dim); font-weight: 400; }
.solve-sub { font-size: 12px; color: var(--text-dim); line-height: 1.6; }
.solve-delta { font-size: 12px; margin-top: 9px; font-family: var(--mono); }
.solve-delta.up { color: var(--warn); }
.solve-delta.down { color: var(--accent); }

.attr-list { display: block; }
.attr-row {
  display: grid; grid-template-columns: 200px 190px 1fr 74px;
  gap: 10px; align-items: center; padding: 5px 0;
  border-top: 1px solid var(--border-soft);
}
.attr-row:first-child { border-top: 0; }
.attr-l { font-size: 12.5px; }
.attr-vals { font-size: 11.5px; color: var(--text-faint); font-family: var(--mono); }
.attr-x { font-family: var(--mono); font-size: 12.5px; text-align: right; font-weight: 650; }
@media (max-width: 900px) {
  .attr-row { grid-template-columns: 1fr 70px; }
  .attr-vals, .attr-row .tornado-track { grid-column: 1 / -1; }
}

/* ---------------- 提示条 ---------------- */
.note {
  font-size: 12px; padding: 10px 13px; border-radius: 8px; line-height: 1.6;
  background: var(--warn-soft); color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 26%, transparent);
}
.note.info { background: var(--accent-soft); color: var(--accent); border-color: var(--accent-dim); }
.note + .note { margin-top: 10px; }

.presets { display: flex; gap: 6px; flex-wrap: wrap; padding: 12px 16px; border-bottom: 1px solid var(--border-soft); }
.presets span.pl { font-size: 11.5px; color: var(--text-faint); align-self: center; margin-right: 2px; }
.preset-btn { font-size: 11.5px; padding: 4px 10px; }

.offer-empty { color: var(--text-faint); font-size: 12.5px; padding: 20px; text-align: center; }

footer.foot {
  margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--border-soft);
  font-size: 11.5px; color: var(--text-faint); line-height: 1.8;
}

/* 打印 */
@media print {
  header.top, .btns, .presets, .tabs { display: none !important; }
  body { background: #fff; color: #000; }
  .layout { grid-template-columns: 1fr; }
  .card { break-inside: avoid; border: 1px solid #ccc; box-shadow: none; }
  .section-body { display: block !important; }
}