/* ============================================================
 * style.css · 零依赖、无外链字体、移动优先（375px 基准）
 * 触控目标 ≥44px；长单词（NL/ES）允许断行不破版。
 * ============================================================ */

:root {
  --bg: #0f1720;
  --bg-soft: #16212c;
  --card: #1b2836;
  --card-2: #223243;
  --line: #2f4256;
  --text: #edf3f8;
  --muted: #a7b8c9;
  --accent: #4cc2ff;
  --accent-ink: #04202e;
  --ok: #43d17f;
  --warn: #ffbe4d;
  --loss: #ff6b6b;
  --radius: 12px;
  --tap: 44px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

img, svg { max-width: 100%; height: auto; }

a { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

h1, h2, h3 {
  line-height: 1.25;
  overflow-wrap: anywhere;
  margin: 0 0 8px;
}
h1 { font-size: 1.6rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; }

p { margin: 0 0 10px; }

.wrap {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 14px 40px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 10px;
  z-index: 50;
}
.skip:focus { left: 8px; top: 8px; }

/* ---------- 头部 ---------- */
.site-head {
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 10px 0;
  position: sticky;
  top: 0;
  z-index: 20;
}
.head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.brand-name { font-weight: 700; font-size: 1.05rem; }
.brand-tag { color: var(--muted); font-size: 0.78rem; }

.lang-switch { display: flex; align-items: center; gap: 6px; }
.lang-label { color: var(--muted); font-size: 0.8rem; }
.lang-btn {
  min-height: var(--tap);
  min-width: var(--tap);
  padding: 8px 12px;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.lang-btn.is-active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

.nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.nav a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.88rem;
}

/* ---------- 通用卡片 ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  margin: 12px 0;
}
.card h2 { margin-top: 0; }
.hint { color: var(--muted); font-size: 0.86rem; }
.loss { color: var(--loss); font-weight: 700; }

.hero { padding: 18px 0 4px; }
.hero h1 { font-size: 1.55rem; }
.hero .lead { color: var(--muted); }
.badge-local {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 3px 10px;
}

.warn-bar {
  background: #4a2a2a;
  border: 1px solid var(--loss);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin-top: 12px;
  font-size: 0.9rem;
}

/* ---------- 步骤 ---------- */
.step { margin-bottom: 16px; }
.step-label { font-weight: 700; display: block; margin-bottom: 2px; }
.step-hint { color: var(--muted); font-size: 0.85rem; display: block; margin-bottom: 8px; }

.tiles { display: grid; gap: 8px; grid-template-columns: 1fr; }
.tile {
  min-height: var(--tap);
  padding: 10px 12px;
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.tile.is-active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 700; }

.field { margin-bottom: 12px; }
.field label { display: block; font-weight: 600; margin-bottom: 4px; font-size: 0.92rem; }
input[type="text"], input[type="date"], input[type="number"], select, textarea {
  width: 100%;
  min-height: var(--tap);
  padding: 10px 12px;
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
}

details.own-cost { margin-top: 10px; }
details.own-cost summary {
  min-height: var(--tap);
  display: flex;
  align-items: center;
  cursor: pointer;
  color: var(--accent);
  font-size: 0.92rem;
}

/* ---------- KPI ---------- */
.kpi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 8px 0; }
.kpi {
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 10px;
  min-width: 0;
}
.kpi-label { display: block; color: var(--muted); font-size: 0.76rem; }
.kpi-value { display: block; font-size: 1rem; }

.conf {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 6px;
}
.conf-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 0.8rem;
  font-weight: 700;
}
.conf-chip[data-confidence="none"] { border-color: var(--loss); color: var(--loss); }
.conf-chip[data-confidence="low"] { border-color: var(--warn); color: var(--warn); }
.conf-chip[data-confidence="medium"] { border-color: var(--accent); color: var(--accent); }
.conf-chip[data-confidence="high"] { border-color: var(--ok); color: var(--ok); }

.min-price { font-size: 0.95rem; }
.min-price strong { color: var(--accent); }

.margin-warn { margin-top: 8px; font-weight: 600; }
.margin-warn.is-ok { color: var(--ok); }
.margin-warn.is-warn { color: var(--warn); }
.margin-warn.is-loss { color: var(--loss); }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { border-collapse: collapse; width: 100%; font-size: 0.86rem; }
caption { text-align: left; color: var(--muted); font-size: 0.82rem; padding-bottom: 6px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td.empty { white-space: normal; color: var(--muted); }
th { color: var(--muted); font-weight: 600; font-size: 0.78rem; }

/* ---------- 按钮 ---------- */
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap);
  padding: 10px 14px;
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-ghost { background: transparent; }
.btn-danger { border-color: var(--loss); color: var(--loss); background: transparent; }
.btn-wide { width: 100%; }

/* ---------- 成本库 ---------- */
.job-card.is-loss { border-color: var(--loss); }
.job-head { display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.job-type { font-size: 1rem; }
.job-meta { color: var(--muted); font-size: 0.82rem; }
.badges { display: flex; gap: 6px; flex-wrap: wrap; margin: 6px 0; }
.badge { font-size: 0.72rem; border-radius: 999px; padding: 2px 9px; border: 1px solid var(--line); }
.badge-done { color: var(--ok); border-color: var(--ok); }
.badge-pending { color: var(--warn); border-color: var(--warn); }
.badge-sample { color: var(--muted); }
.badge-loss { color: var(--loss); border-color: var(--loss); }

.cost-rows { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; margin: 6px 0; font-size: 0.88rem; }
.cost-rows dt { color: var(--muted); }
.cost-rows dd { margin: 0; text-align: right; }
.job-price { font-size: 0.9rem; }
.job-note { color: var(--muted); font-size: 0.85rem; border-left: 3px solid var(--line); padding-left: 8px; }
.job-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.empty-card { text-align: center; }

.sample-banner {
  background: #22303f;
  border: 1px dashed var(--warn);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin: 10px 0;
}
.sample-banner p { color: var(--warn); font-size: 0.86rem; margin-bottom: 8px; }

/* ---------- 表单 ---------- */
.form-error { color: var(--loss); font-weight: 600; min-height: 1.2em; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 10px; }
.form-grid .full { grid-column: 1 / -1; }
.cost-preview { font-weight: 700; color: var(--accent); margin: 4px 0 10px; }

/* ---------- toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%) translateY(140%);
  background: var(--accent);
  color: var(--accent-ink);
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.9rem;
  max-width: min(92vw, 420px);
  text-align: center;
  transition: transform 0.2s ease-out;
  z-index: 60;
}
.toast.is-visible { transform: translateX(-50%) translateY(0); }

.sr-only-copy { position: fixed; left: -9999px; top: 0; opacity: 0; }

/* ---------- 页脚 ---------- */
.site-foot {
  border-top: 1px solid var(--line);
  margin-top: 20px;
  padding: 16px 0 30px;
  color: var(--muted);
  font-size: 0.82rem;
}

/* ---------- 语言包驱动的排版保险 ---------- */
@media (min-width: 560px) {
  .tiles { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  h1 { font-size: 1.9rem; }
}

/* ---------- 打印：A4 报价单 ---------- */
#printSheet { display: none; }

@media print {
  body { background: #fff; color: #000; font-size: 12pt; }
  .site-head, .hero, #quote, #formSection, #library, #data, #settings, .site-foot, .toast, #intent-slot { display: none !important; }
  #printSheet { display: block; padding: 0; }
  #printSheet h1 { font-size: 18pt; margin-bottom: 4px; }
  #printSheet .print-title { font-size: 14pt; font-weight: 700; }
  #printSheet .print-total { font-size: 14pt; font-weight: 700; margin-top: 14px; }
  #printSheet .print-note { font-size: 10pt; color: #444; }
}

@media (prefers-reduced-motion: reduce) {
  .toast { transition: none; }
}