/* ==========================================================================
   style.css — Localized FSM
   移动优先（375px 起）· 无外部字体/无 CDN · 支持深色模式 · 支持 A4 打印
   ========================================================================== */

/* ------------------------------------------------------------ 设计令牌 */
:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #eef1f5;
  --border: #d3d8e0;
  --text: #16181d;
  --text-dim: #5a6272;
  --accent: #0b5cab;
  --accent-text: #ffffff;
  --ok: #0d6b3f;
  --ok-bg: #e3f4ea;
  --warn: #8a5300;
  --warn-bg: #fdf1dc;
  --err: #a8181b;
  --err-bg: #fdeaea;
  --radius: 12px;
  --radius-sm: 8px;
  --tap: 48px;
  --shadow: 0 1px 2px rgba(16, 20, 28, .08), 0 2px 8px rgba(16, 20, 28, .06);
  --maxw: 780px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --surface: #1d2026;
    --surface-2: #262a32;
    --border: #3a4049;
    --text: #eef1f5;
    --text-dim: #a9b2c0;
    --accent: #6fb2f5;
    --accent-text: #0d1116;
    --ok: #7fd6a4;
    --ok-bg: #1c2c23;
    --warn: #f0c274;
    --warn-bg: #2e2719;
    --err: #f5a3a5;
    --err-bg: #331d1e;
    --shadow: 0 1px 2px rgba(0, 0, 0, .5);
  }
}

/* --------------------------------------------------------------- 基础 */
* { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: 0 0 150px 0;               /* 给底部 Tab 栏 + 浮动按钮留位置（不遮挡页脚） */
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  overflow-wrap: anywhere;            /* 荷兰语/西班牙语长词不撑破布局 */
  word-break: normal;
}

h1, h2, h3, h4 { margin: 0 0 .4em; line-height: 1.25; overflow-wrap: anywhere; }
h1 { font-size: 1.25rem; }
h2 { font-size: 1.1rem; }
h3 { font-size: 1rem; }
p { margin: 0 0 .7em; }
ul { margin: 0; padding-left: 1.1em; }
a { color: var(--accent); }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.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;
}

/* --------------------------------------------------------------- 布局 */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 12px; }

/* --------------------------------------------------------------- 头部 */
.appbar {
  position: sticky; top: 0; z-index: 30;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.appbar__row {
  display: flex; align-items: center; gap: 10px;
  max-width: var(--maxw); margin: 0 auto; padding: 8px 12px;
}
.brand { display: flex; flex-direction: column; min-width: 0; flex: 1 1 auto; }
.brand__name { font-weight: 700; font-size: 1.02rem; }
.brand__tag { color: var(--text-dim); font-size: .78rem; }
/* 极窄屏（≤400px）优先保证标题与语言按钮不被挤成三行：副标题让位 */
@media (max-width: 400px) {
  .brand__tag { display: none; }
  .langbtn { min-width: 44px; padding: 0 10px; font-size: .8rem; }
}

.langswitch { display: flex; gap: 4px; flex: 0 0 auto; }
.langbtn {
  min-width: var(--tap); min-height: 44px;
  padding: 0 12px;
  font: inherit; font-weight: 600; font-size: .85rem;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
}
.langbtn[aria-pressed="true"] {
  background: var(--accent); color: var(--accent-text); border-color: var(--accent);
}

/* --------------------------------------------------------------- Tab 栏 */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: flex;
  background: var(--surface);
  border-top: 1px solid var(--border);
  box-shadow: 0 -1px 6px rgba(16, 20, 28, .08);
  padding-bottom: env(safe-area-inset-bottom, 0);
}
.tabbar__btn {
  flex: 1 1 0; min-width: 0;
  min-height: 56px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px;
  padding: 6px 2px;
  font: inherit; font-size: .68rem; line-height: 1.15;
  color: var(--text-dim);
  background: none; border: 0; border-top: 3px solid transparent;
  cursor: pointer;
  overflow-wrap: anywhere; text-align: center;
}
.tabbar__btn[aria-current="page"] {
  color: var(--accent); border-top-color: var(--accent); font-weight: 700;
}
.tabbar__icon { font-size: 1.1rem; line-height: 1; }

/* --------------------------------------------------------------- 卡片 */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  margin: 12px 0;
  box-shadow: var(--shadow);
}
.card__head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 8px;
  flex-wrap: wrap;
}
.card__title { font-weight: 700; margin: 0; }
.card__meta { color: var(--text-dim); font-size: .82rem; }
.card__actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: .74rem; font-weight: 700;
  background: var(--surface-2); color: var(--text-dim);
  border: 1px solid var(--border);
}
.badge--ok { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.badge--warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.badge--err { background: var(--err-bg); color: var(--err); border-color: transparent; }

/* --------------------------------------------------------------- 按钮 */
.btn {
  min-height: var(--tap);
  padding: 10px 14px;
  font: inherit; font-size: .92rem; font-weight: 600;
  color: var(--text); background: var(--surface-2);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
.btn--primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.btn--danger { color: var(--err); border-color: var(--err); background: var(--err-bg); }
.btn--sm { min-height: 44px; padding: 8px 10px; font-size: .84rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

.fab {
  position: fixed; right: 16px; bottom: calc(68px + env(safe-area-inset-bottom, 0));
  z-index: 45;
  width: 56px; height: 56px; border-radius: 50%;
  font-size: 1.6rem; line-height: 1;
  background: var(--accent); color: var(--accent-text);
  border: 0; box-shadow: 0 4px 14px rgba(11, 92, 171, .4);
  cursor: pointer;
}

/* --------------------------------------------------------------- 表单 */
.form { display: grid; gap: 10px; }
.field { display: grid; gap: 4px; }
.field > label { font-size: .84rem; font-weight: 600; color: var(--text-dim); }
.field__hint { font-size: .76rem; color: var(--text-dim); }
.field__err { font-size: .78rem; color: var(--err); font-weight: 600; }
.field--invalid input, .field--invalid select { border-color: var(--err); }

input, select, textarea {
  width: 100%;
  min-height: var(--tap);
  padding: 10px 12px;
  font: inherit; font-size: 16px;    /* 16px 防 iOS 聚焦缩放 */
  color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
}
textarea { min-height: 76px; resize: vertical; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
@media (max-width: 420px) {
  .grid3 { grid-template-columns: 1fr 1fr; }
}
/* 手机宽度下，长选项（税率/单位/客户类型/房龄…）双列会把文字截断 → 单列堆叠，
   保证「10 % — tipo reducido」这类选项能被完整读到，算错税比多滚两下严重得多。 */
@media (max-width: 480px) {
  .grid2--wide { grid-template-columns: 1fr; }
}

fieldset {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px; margin: 0 0 10px; min-width: 0;
}
legend { font-size: .84rem; font-weight: 700; padding: 0 4px; }

/* --------------------------------------------------------------- 行项目 */
.lines { display: grid; gap: 8px; }
.line {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 8px; background: var(--surface-2);
}
.line__top { display: grid; grid-template-columns: 1fr auto; gap: 6px; align-items: end; }
.line__nums { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; margin-top: 6px; }
.line__sum {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 6px; font-weight: 700; font-size: .9rem;
  gap: 8px; flex-wrap: wrap;
}

/* --------------------------------------------------------------- 金额表 */
.totals { display: grid; gap: 4px; margin-top: 10px; }
.totals__row { display: flex; justify-content: space-between; gap: 10px; font-size: .92rem; }
.totals__row--grand {
  font-size: 1.08rem; font-weight: 800;
  border-top: 2px solid var(--border); padding-top: 6px; margin-top: 4px;
}
.totals__row--sub { color: var(--text-dim); font-size: .84rem; }

/* --------------------------------------------------------------- 提示条 */
.notice {
  border-radius: var(--radius-sm); padding: 10px 12px; margin: 10px 0;
  font-size: .86rem; border: 1px solid transparent;
}
.notice--ok { background: var(--ok-bg); color: var(--ok); }
.notice--warn { background: var(--warn-bg); color: var(--warn); }
.notice--err { background: var(--err-bg); color: var(--err); }
.notice--info { background: var(--surface-2); color: var(--text-dim); border-color: var(--border); }
.notice ul { margin: 4px 0 0; }
.notice li { margin: 2px 0; }

.toast {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(76px + env(safe-area-inset-bottom, 0));
  z-index: 60;
  background: var(--text); color: var(--bg);
  padding: 10px 16px; border-radius: 999px;
  font-size: .86rem; font-weight: 600;
  max-width: 90vw;
}

/* --------------------------------------------------------------- 空状态 */
.empty { text-align: center; padding: 26px 14px; color: var(--text-dim); }
.empty__title { font-weight: 700; color: var(--text); margin-bottom: 4px; }
.empty__hint { font-size: .88rem; }

/* --------------------------------------------------------------- 列表 */
.list { display: grid; gap: 10px; }
.scrollbox { max-height: 60vh; overflow-y: auto; }   /* A6 长列表不爆屏 */

/* --------------------------------------------------------------- 排班 */
.weeknav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.weeknav__label { font-weight: 700; flex: 1 1 auto; }
.days { display: grid; gap: 8px; }
.day {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 8px; background: var(--surface);
}
.day--today { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(11, 92, 171, .18); }
.day__head { display: flex; justify-content: space-between; align-items: center; gap: 6px; font-weight: 700; font-size: .9rem; }
.day__list { display: grid; gap: 6px; margin-top: 6px; }
.day__item {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  background: var(--surface-2); border-radius: var(--radius-sm);
  padding: 8px; font-size: .86rem;
}

/* --------------------------------------------------------------- 表格 */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: .86rem; }
table.data th, table.data td {
  text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border);
  vertical-align: top;
}
table.data th { color: var(--text-dim); font-size: .78rem; text-transform: none; }
table.data td.num, table.data th.num { text-align: right; white-space: nowrap; }

/* --------------------------------------------------------------- 页脚 */
.sitefoot {
  border-top: 1px solid var(--border);
  background: var(--surface);
  margin-top: 20px;
  padding: 14px 0 18px;
  font-size: .82rem; color: var(--text-dim);
}
.sitefoot h3 { font-size: .86rem; margin: 12px 0 4px; color: var(--text); }
.sitefoot ul { margin: 0; padding-left: 1.1em; }
.sitefoot li { margin: 3px 0; overflow-wrap: anywhere; }
/* 触控目标 ≥44px：页脚来源链接也是可点目标，不能被当成小字内联链接 */
.sitefoot li a {
  display: inline-flex; align-items: center;
  min-height: 44px; padding: 4px 0;
}
.sitefoot input[type="checkbox"] { width: 24px; min-height: 24px; }
.sitefoot label.chk { display: flex; gap: 8px; align-items: flex-start; min-height: 44px; }
.sitefoot__disclaimer { font-weight: 600; color: var(--text); }

.demo-banner {
  background: var(--warn-bg); color: var(--warn);
  padding: 10px 12px; border-bottom: 1px solid var(--border);
  font-size: .84rem;
}
.demo-banner__row {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
}

/* --------------------------------------------------------------- 打印 */
.print-root { display: none; }

@media print {
  body { padding: 0; background: #fff; color: #000; }
  .appbar, .tabbar, .fab, .sitefoot, .demo-banner, .toast, .no-print { display: none !important; }
  main.app-main { display: none !important; }
  .print-root {
    display: block !important;
    font-size: 11pt; color: #000;
  }
  .print-root h1 { font-size: 17pt; }
  .print-root table { width: 100%; border-collapse: collapse; }
  .print-root th, .print-root td {
    border-bottom: 1px solid #999; padding: 4pt 3pt; font-size: 10pt; text-align: left;
  }
  .print-root td.num, .print-root th.num { text-align: right; }
  .print-root .p-totals { margin-top: 8pt; width: 100%; max-width: 340pt; margin-left: auto; }
  .print-root .p-totals div { display: flex; justify-content: space-between; padding: 1pt 0; }
  .print-root .p-grand { border-top: 1.5pt solid #000; font-weight: 700; font-size: 12pt; margin-top: 4pt; padding-top: 3pt; }
  .print-root .p-parties { display: flex; gap: 16pt; margin-bottom: 10pt; }
  .print-root .p-parties > div { flex: 1 1 0; }
  .print-root .p-meta { color: #333; font-size: 9.5pt; }
  .print-root .p-note { font-size: 9.5pt; color: #333; margin-top: 6pt; }
}