/* ============================================================
   SITCON 2027 工人登錄系統 — 前端樣式
   簡潔淺色系、現代化、RWD（手機／桌機皆友善）。
   註：所有 class 名稱沿用既有結構，勿更名（app.js 依賴之）。
   ============================================================ */

/* ---------- 設計 token ---------- */
:root {
  /* 表面 */
  --bg: #f4f6fb;
  --bg-accent: #eef2fb;
  --card: #ffffff;
  --surface: #f7f9fc;
  --surface-2: #eef1f6;

  /* 邊框 */
  --border: #e4e8f0;
  --border-strong: #d3d9e4;

  /* 品牌 / 語意色 */
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-weak: #eef4ff;
  --primary-ring: rgba(37, 99, 235, 0.28);

  --danger: #dc2626;
  --danger-weak: #fef2f2;
  --ok: #16a34a;
  --ok-weak: #ecfdf3;
  --warn: #b45309;
  --warn-weak: #fff7ed;

  /* 文字 */
  --text: #1a2233;
  --muted: #667085;

  /* 圓角 */
  --r-sm: 8px;
  --r: 12px;
  --r-lg: 16px;
  --r-pill: 999px;

  /* 陰影 */
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
  --shadow: 0 4px 12px rgba(16, 24, 40, 0.06), 0 2px 4px rgba(16, 24, 40, 0.04);
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC",
    "Microsoft JhengHei", "PingFang TC", sans-serif;
  background: var(--bg);
  background-image: radial-gradient(1200px 600px at 100% -10%, var(--bg-accent), transparent 60%);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden; /* 安全網：任何殘留寬元素都不會讓整頁左右晃（寬表格改由 .table-scroll 內部捲動）*/
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; }

/* ---------- Layout ---------- */
.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 18px 80px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  margin-bottom: 22px;
  box-shadow: var(--shadow-sm);
}

.card.narrow {
  max-width: 440px;
  margin: 8vh auto 40px;
}

/* ---------- Typography ---------- */
h1 { font-size: 1.6rem; font-weight: 700; margin: 0 0 12px; letter-spacing: -0.01em; }
h2 { font-size: 1.2rem; font-weight: 700; margin: 28px 0 10px; }
h3 { font-size: 1rem; font-weight: 600; margin: 20px 0 8px; }

p { margin: 0 0 12px; }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.mt { margin-top: 16px; }

code {
  background: var(--surface-2);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.85em;
  font-family: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
  overflow-wrap: anywhere; /* 長 ID / URL / token 換行，避免撐破版面 */
  word-break: break-word;
}

/* ---------- 提示 / 通知框 ---------- */
.flash {
  background: var(--warn-weak);
  border: 1px solid #fed7aa;
  border-left: 4px solid var(--warn);
  border-radius: var(--r-sm);
  padding: 12px 16px;
  margin-bottom: 18px;
  color: #7c3a06;
}

.notice {
  background: var(--primary-weak);
  border: 1px solid #cfe0ff;
  border-radius: var(--r);
  padding: 16px 18px;
  margin: 22px 0;
}
.notice p { margin: 0 0 10px; }
.notice p:last-child { margin-bottom: 0; }
.notice.danger { background: var(--danger-weak); border-color: #f3c0c0; }

.hint-box {
  background: var(--primary-weak);
  border: 1px solid #cfe0ff;
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-size: 0.9rem;
  margin: 6px 0 14px;
}

/* ---------- 按鈕 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 42px;
  padding: 9px 18px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  background: #fff;
  color: var(--text);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  font-family: inherit;
  line-height: 1.2;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease,
    transform 0.05s ease;
}
.btn:hover { background: var(--surface); border-color: var(--border-strong); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--primary-ring); }

.btn.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.25);
}
.btn.primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }

.btn.danger { color: var(--danger); border-color: #f3c0c0; background: #fff; }
.btn.danger:hover { background: var(--danger-weak); border-color: #e79b9b; }

.btn.small { min-height: 32px; padding: 5px 11px; font-size: 0.82rem; }

/* Telegram 登入：與其他 provider 一致的外框按鈕，僅圖示帶品牌藍點綴 */
.btn.tg svg { color: #229ed9; }
.btn.tg:hover { border-color: #a9dcf0; }
.btn[disabled] { opacity: 0.6; cursor: default; }

/* ---------- 表單欄位 ---------- */
.field { margin-bottom: 22px; }
.field > label {
  display: block;
  font-weight: 600;
  font-size: 0.98rem;
  margin-bottom: 6px;
}
.field .help {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: pre-line;
}
.section-desc { white-space: pre-line; }

.field input[type=text], .field input[type=number], .field input[type=date],
.field input[type=password], .field input[type=email], .field input[type=url],
.field textarea, .field select,
.stack input:not([type=checkbox]):not([type=radio]), .stack select {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  font-size: 16px; /* ≥16px 避免 iOS 聚焦時自動放大 */
  font-family: inherit;
  color: var(--text);
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field textarea { min-height: 96px; resize: vertical; line-height: 1.6; }

.field input:focus, .field textarea:focus, .field select:focus,
.stack input:focus, .stack select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
}

/* 下拉自訂箭頭 */
.field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23667085' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.field.has-error input, .field.has-error select, .field.has-error textarea {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}
.req { color: var(--danger); margin-left: 2px; }
.err { color: var(--danger); font-size: 0.85rem; margin: 6px 0 0; font-weight: 500; }

/* 修改頁驗證失敗的「需要確認」彙整框 */
#edit-error-summary { outline: none; scroll-margin-top: 16px; }
.error-summary-list { margin: 6px 0 0; padding-left: 20px; font-size: 0.9rem; }
.error-summary-list li { margin: 4px 0; }
.error-summary-list a { color: var(--danger); font-weight: 600; }
/* 點警告框連結跳到欄位時，讓欄位不要貼齊視窗頂端 */
.field { scroll-margin-top: 16px; }

/* 單選 / 複選：卡片式可點選列 */
.opt {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 400;
  margin: 0 0 8px;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.opt:hover { background: var(--primary-weak); border-color: #cfe0ff; }
.opt:has(input:checked) { background: var(--primary-weak); border-color: var(--primary); }
.opt input { accent-color: var(--primary); width: 18px; height: 18px; flex: none; margin: 0; }

/* checkbox / radio 元件通用色 */
input[type=checkbox], input[type=radio] { accent-color: var(--primary); }

/* 檔案上傳 */
.field input[type=file] {
  width: 100%;
  padding: 10px 12px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-sm);
  background: var(--surface);
  font-size: 0.92rem;
}
.field input[type=file]::file-selector-button {
  margin-right: 12px;
  padding: 7px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  background: #fff;
  cursor: pointer;
  font-family: inherit;
}

/* ---------- 已驗證帳號區 ---------- */
.identity {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 16px 18px;
  margin-bottom: 24px;
}
.identity h3 { margin-top: 0; }
.identity .ro { display: flex; align-items: center; gap: 12px; margin: 8px 0; }
.identity .ro label { width: 78px; color: var(--muted); font-size: 0.9rem; flex: none; }
.identity .ro input {
  flex: 1;
  min-width: 0;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: #eef1f6;
  color: #475065;
  font-size: 0.92rem;
}

/* ---------- 登入頁：帳號連結清單 ---------- */
.provider-list { list-style: none; padding: 0; margin: 20px 0; }
.provider {
  display: flex;
  flex-wrap: wrap; /* 讓 .tg-hint 提示能換行占滿整列 */
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  margin-bottom: 12px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.provider .tg-hint { flex-basis: 100%; margin: 0; }
.provider:hover { box-shadow: var(--shadow-sm); }
.provider.done { background: var(--ok-weak); border-color: #b7e4c7; }
.provider-name { font-weight: 600; }

/* ---------- 徽章 / 狀態 pill ---------- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  font-size: 0.8rem;
  font-weight: 600;
  margin: 2px;
  line-height: 1.5;
}
.badge.ok { background: var(--ok-weak); color: var(--ok); }
.badge.warn { background: var(--warn-weak); color: var(--warn); }

/* 欄位標籤旁的「可事後修改」小徽章（輔助資訊，刻意低調） */
.badge-editable {
  display: inline-block;
  padding: 1px 8px;
  border-radius: var(--r-pill);
  background: var(--primary-weak);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.6;
  vertical-align: 1px;
  white-space: nowrap;
}

.status {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.5;
}
.status.pending { background: var(--warn-weak); color: var(--warn); }
.status.approved, .status.success { background: var(--ok-weak); color: var(--ok); }
.status.rejected, .status.failed { background: var(--danger-weak); color: var(--danger); }
.status.invited { background: var(--primary-weak); color: var(--primary); }
.status.manual { background: var(--warn-weak); color: var(--warn); }
.status.skipped { background: var(--surface-2); color: var(--muted); }

/* ---------- 顯示型欄位（文字說明 / 圖片） ---------- */
.statement {
  margin-bottom: 22px;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: var(--r-sm);
}
.statement-title { margin: 0 0 8px; }
.statement-body { white-space: pre-line; color: var(--text); }

.form-image { margin: 0 0 20px; }
.form-image img { max-width: 100%; height: auto; border-radius: var(--r); display: block; }
.form-image figcaption { margin-top: 6px; }
.field-image { margin: 0 0 10px; }
.field-image img { max-height: 320px; }

/* ---------- 工人端分段（section） ---------- */
.form-section {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px;
  margin-bottom: 18px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.section-title { margin-top: 0; }
.section-nav {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  justify-content: space-between;
  flex-wrap: wrap;
}
.section-nav .js-next, .section-nav .js-review, .section-nav .js-final-submit { margin-left: auto; }

/* 送出前的摘要確認 */
.summary-step {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px;
  margin-bottom: 18px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.summary-body { margin: 14px 0 4px; }
.sum-row {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 6px 18px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--border);
}
.sum-row:last-child { border-bottom: none; }
.sum-label { font-weight: 600; color: var(--text); word-break: break-word; }
.sum-value { color: var(--text); word-break: break-word; }

/* ============================================================
   後台（admin）樣式
   ============================================================ */
.admin-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}
.admin-top h1 { margin: 0; }
.admin-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--muted);
}

.features { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 20px; }

.filter { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.filter input {
  flex: 1;
  min-width: 180px;
  padding: 9px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  font-size: 0.95rem;
}
.filter select {
  padding: 9px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  font-size: 0.95rem;
}
.filter input:focus, .filter select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
}

/* 寬表格外層：超出寬度時只讓表格自己橫向捲動，不撐破整頁 */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 10px 0;
  max-width: 100%;
}
.table-scroll .tbl { margin: 0; }

/* 表格：手機可橫向捲動 */
.tbl {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
}
.tbl th, .tbl td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  vertical-align: top;
}
.tbl thead th {
  color: var(--muted);
  font-weight: 600;
  border-bottom: 2px solid var(--border);
}
.tbl tbody tr:hover { background: var(--surface); }

.kv { width: 100%; border-collapse: collapse; }
.kv th {
  text-align: left;
  width: 130px;
  color: var(--muted);
  font-weight: 600;
  padding: 8px 10px;
  vertical-align: top;
}
.kv td { padding: 8px 10px; word-break: break-word; overflow-wrap: anywhere; }
.kv input.wide {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  font-size: 0.92rem;
}

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stack { display: flex; flex-direction: column; gap: 10px; margin-bottom: 14px; }
.inline { display: inline-flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline textarea {
  padding: 8px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  font-family: inherit;
  min-width: 240px;
  vertical-align: top;
}

/* Form Builder：欄位卡 */
.fb-field {
  display: flex;
  gap: 14px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 16px;
  margin-bottom: 12px;
  background: var(--surface);
}
.fb-form { flex: 1; display: flex; flex-direction: column; gap: 10px; }
.fb-form.fb-new {
  border: 1px dashed var(--border-strong);
  border-radius: var(--r);
  padding: 16px;
  background: var(--surface);
}
.fb-form input[type=text], .fb-form select, .fb-form textarea {
  padding: 9px 11px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  font-family: inherit;
  font-size: 0.92rem;
  background: #fff;
}
.fb-form input:focus, .fb-form select:focus, .fb-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
}
.fb-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.fb-row input[type=text] { flex: 1; min-width: 160px; }
/* 允許長標籤換行（原本 nowrap 會在窄螢幕溢出卡片）；勾選框頂端對齊且不被壓縮 */
.chk { display: inline-flex; gap: 5px; align-items: flex-start; font-size: 0.9rem; }
.chk input { flex: 0 0 auto; margin-top: 2px; width: auto; padding: 0; }
.fb-side { display: flex; flex-direction: column; gap: 8px; }
.js-options, .js-regex { display: flex; flex-direction: column; gap: 6px; }

/* Form Builder：區塊 */
.fb-section {
  border: 1px solid var(--border-strong);
  border-radius: var(--r);
  padding: 16px;
  margin-bottom: 18px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.fb-section-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  align-items: flex-start;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border);
}
.fb-inline { display: block; margin: 4px 0; font-size: 0.9rem; color: var(--muted); }
.fb-inline select {
  margin-left: 6px;
  padding: 6px 8px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
}
.js-jumps { display: flex; flex-direction: column; gap: 4px; }
.js-jumps textarea {
  padding: 8px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  font-family: inherit;
}

/* Form Builder：圖片上傳區 */
.fb-image {
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  background: #fff;
}
.fb-image:focus { outline: 2px solid var(--primary); }
.fb-image-preview img { max-height: 120px; max-width: 100%; border-radius: var(--r-sm); display: block; }

/* 工作組 */
.wg {
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 16px;
  margin-bottom: 14px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.wg-head { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.grant-form { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.grant-form input {
  flex: 1;
  min-width: 160px;
  padding: 8px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
}
.grant-form select {
  padding: 8px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
}

/* 稽核紀錄 */
.audit { padding-left: 18px; margin: 4px 0; }
.audit li { font-size: 0.88rem; margin: 3px 0; color: var(--muted); }

/* 設定頁：連線測試列 */
.test-bar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 6px 0 20px; }
.test-bar input[type=email] {
  padding: 8px 11px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  max-width: 240px;
}
.test-result { flex: 1; min-width: 160px; }
.ok-text { color: var(--ok); }
.err-text { color: var(--danger); }

code.copyable { cursor: pointer; background: var(--primary-weak); color: var(--primary); }
code.copyable:hover { background: #dde8ff; }

/* ============================================================
   RWD
   ============================================================ */
@media (max-width: 640px) {
  .container { padding: 20px 14px 64px; }
  .card { padding: 20px 16px; border-radius: var(--r); }
  .form-section { padding: 18px 16px; }
  h1 { font-size: 1.4rem; }

  .grid2 { grid-template-columns: 1fr; }
  .fb-field { flex-direction: column; }
  .fb-side { flex-direction: row; flex-wrap: wrap; }

  /* 分段導覽：按鈕加大、易點按 */
  .section-nav { gap: 10px; }
  .section-nav .btn { flex: 1; min-width: 120px; }
  .section-nav .js-next, .section-nav .js-review, .section-nav .js-final-submit { margin-left: 0; }
  .sum-row { grid-template-columns: 1fr; gap: 2px; }
  .sum-label { color: var(--muted); font-size: 0.9rem; }

  .admin-top { align-items: flex-start; }
  .identity .ro { flex-wrap: wrap; gap: 4px; }
  .identity .ro label { width: auto; }
  .identity .ro input { flex: 1 1 100%; }
}

@media (max-width: 400px) {
  .provider { flex-wrap: wrap; }
}

/* 偏好減少動態的使用者 */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- App 內建瀏覽器提示 ---------- */
.webview-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 10px 0 6px;
}

/* ---------- 修改頁：未儲存變更浮動列（Discord 式） ---------- */
.savebar {
  position: fixed;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  z-index: 50;
  width: calc(100% - 32px);
  max-width: 760px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px 10px 16px;
  background: var(--text);
  color: #fff;
  border-radius: var(--r);
  box-shadow: 0 8px 24px rgba(16, 24, 40, 0.28);
  animation: savebar-in 0.18s ease-out;
}
.savebar[hidden] { display: none; }
.savebar-text { font-weight: 600; font-size: 0.95rem; }
.savebar-actions { display: flex; gap: 8px; flex-shrink: 0; }
.savebar .btn { border-color: transparent; }
.savebar .btn:not(.primary) { background: transparent; color: #e6e9f0; }
.savebar .btn:not(.primary):hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
/* 浮動列顯示時，頁尾留空間避免蓋住最後的欄位 */
body.has-savebar { padding-bottom: 84px; }

@keyframes savebar-in {
  from { opacity: 0; transform: translateX(-50%) translateY(12px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
@media (max-width: 640px) {
  .savebar { flex-wrap: wrap; bottom: 10px; width: calc(100% - 20px); }
}
@media (prefers-reduced-motion: reduce) {
  .savebar { animation: none; }
}

/* 儲存鈕的載入轉圈（送出後顯示，避免使用者不確定有沒有按到） */
.btn .spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: -2px;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Upsert 全部資料的進度條 */
.progress { flex-basis: 100%; display: flex; align-items: center; gap: 10px; margin-top: 6px; }
.progress-track {
  flex: 1;
  height: 8px;
  min-width: 140px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0;
  background: var(--primary);
  border-radius: 999px;
  transition: width .25s ease;
}
.progress-text { white-space: nowrap; }