/* 機敏文件去識別化工具 — 白底、安靜的介面，深色遮蔽標籤是唯一的主角。
   色彩只用在兩個地方：遮蔽標籤底線與規則包標籤的色條，代表資料類型。 */
:root {
  --canvas: #FFFFFF;
  --surface: #FFFFFF;
  --subtle: #F6F7F8;
  --ink: #1F2328;
  --muted: #5F6670;
  --line: #DDE1E5;
  --signal: #0B6BCB;
  --danger: #B42318;

  /* 遮蔽標籤：兩種模式都要最醒目 */
  --stamp-bg: #1F2328;
  --stamp-fg: #FFFFFF;

  --p-it: #2F6FB5;
  --p-secrets: #C0392B;
  --p-pii: #7B52AB;
  --p-finance: #B7791F;
  --p-medical: #2E8B57;
  --p-manufacturing: #6B7280;
  --p-custom: #0E7C86;
  --p-dict: #D4A017;

  --sans: "PingFang TC", "Microsoft JhengHei UI", "Microsoft JhengHei", "Noto Sans TC", "Noto Sans CJK TC", system-ui, sans-serif;
  --mono: "JetBrains Mono", "Cascadia Mono", Consolas, "SF Mono", "Noto Sans Mono CJK TC", monospace;
  --radius: 6px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #17191C;
    --surface: #1E2125;
    --subtle: #24282D;
    --ink: #E6E8EB;
    --muted: #9AA1AA;
    --line: #33383E;
    --signal: #5AA2F0;
    --danger: #F0776B;

    --stamp-bg: #E6E8EB;
    --stamp-fg: #17191C;

    --p-it: #6FA8DC;
    --p-secrets: #E8847A;
    --p-pii: #B79FD1;
    --p-finance: #D9B45A;
    --p-medical: #7FC29B;
    --p-manufacturing: #A0A7B0;
    --p-custom: #5CC0C8;
    --p-dict: #E3C45C;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 15px/1.55 var(--sans);
  min-height: 100vh;
}
button, input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }

/* ── 頂部 ── */
.top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
}
.title { margin: 0; font-size: 19px; font-weight: 700; letter-spacing: .02em; }
.brand { display: flex; align-items: baseline; gap: 12px; min-width: 0; }
.promise { margin: 0; color: var(--muted); font-size: 13px; }
.top-actions { display: flex; gap: 8px; flex: none; }

/* 帳號選單 */
.menu { position: relative; flex: none; }
.menu > summary {
  list-style: none; display: inline-flex; align-items: center; gap: 7px;
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px 5px 9px;
  font-size: 13.5px; cursor: pointer; max-width: 260px;
}
.menu > summary::-webkit-details-marker { display: none; }
.menu > summary::after { content: ""; width: 6px; height: 6px; border-right: 1.5px solid var(--muted); border-bottom: 1.5px solid var(--muted); transform: translateY(-2px) rotate(45deg); margin-left: 2px; }
.menu > summary:hover { border-color: var(--ink); }
/* 帳號：圓形頭像按鈕。登入後整顆填滿，不用打開選單就知道已登入 */
.menu > summary.avatar { width: 34px; height: 34px; padding: 0; justify-content: center; border-radius: 50%; color: var(--ink); }
.menu > summary.avatar::after { display: none; }
.menu > summary.avatar.signed-in { background: var(--ink); border-color: var(--ink); color: var(--canvas); }
.menu > summary.avatar.signed-in:hover { filter: brightness(1.2); }
.menu-who { display: grid; gap: 2px; padding: 6px 10px 10px; margin-bottom: 4px; border-bottom: 1px solid var(--line); }
.menu-who strong { font-size: 15px; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.menu-who span { font-size: 12.5px; color: var(--muted); }
/* 版面切換：兩顆圖示按鈕 */
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.seg button { border: 0; border-radius: 0; background: transparent; padding: 5px 10px; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; font-size: 13px; }
.seg button + button { border-left: 1px solid var(--line); }
.seg button[aria-pressed="true"] { background: var(--subtle); color: var(--ink); }
.seg button:hover { color: var(--ink); }
.menu > summary span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.menu-list {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 10; min-width: 180px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .12); padding: 6px; display: grid;
}
.menu-list > a, .menu-list > button {
  display: block; width: 100%; text-align: left; border: 0; border-radius: 4px; background: none;
  padding: 8px 10px; font-size: 14px; color: var(--ink); text-decoration: none; cursor: pointer;
}
.menu-list > a:hover, .menu-list > button:hover { background: var(--subtle); }
/* 精簡版選單（載入範例）：方角按鈕樣式 */
.menu.compact > summary { border-radius: var(--radius); padding: 6px 10px 6px 12px; }
.menu.compact .menu-list { right: auto; left: 0; min-width: 260px; }
.menu.compact > summary { max-width: none; }
.menu-sep { display: block; padding: 8px 10px 4px; font-size: 12px; color: var(--muted); border-top: 1px solid var(--line); margin-top: 4px; }
.samples-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 10px; min-width: 540px; }
.samples-col { display: grid; align-content: start; }
.samples-col .menu-sep { border-top: 0; margin-top: 0; }
.samples-col > button {
  display: flex; align-items: baseline; justify-content: space-between; gap: 10px; width: 100%;
  text-align: left; border: 0; border-radius: 4px; background: none; padding: 7px 10px; font-size: 14px; color: var(--ink); cursor: pointer;
}
.samples-col > button:hover { background: var(--subtle); }
.samples-col > button small { color: var(--muted); font-size: 11.5px; white-space: nowrap; }
.samples-col > [aria-current] { font-weight: 600; background: var(--subtle); }
.menu-list > [aria-current] { font-weight: 600; background: var(--subtle); }

/* ── 按鈕 ── */
button, a.ghost, a.primary {
  color: var(--ink);
  border: 1px solid var(--line); background: var(--surface);
  padding: 6px 12px; border-radius: var(--radius); cursor: pointer;
  font-size: 13.5px; text-decoration: none; white-space: nowrap;
}
button:hover, a.ghost:hover { border-color: var(--ink); }
button.ghost, a.ghost { background: transparent; }
button.primary, a.primary { background: var(--ink); color: var(--canvas); border-color: var(--ink); font-weight: 600; }
button.primary:hover, a.primary:hover { filter: brightness(1.2); }
button:disabled {
  opacity: .45; cursor: not-allowed; filter: none !important; border-color: var(--line) !important;
}

/* ── 遮蔽設定 ── */
.controls {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 24px; flex-wrap: wrap;
}
.packs-wrap { display: grid; gap: 8px; min-width: 0; }
.packs-hint { margin: 0; font-size: 13px; color: var(--muted); }
.packs-hint strong { color: var(--ink); font-weight: 600; margin-right: 8px; }
.packs { display: flex; flex-wrap: wrap; gap: 6px; }
.pack {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--line); background: var(--surface);
  border-left: 4px solid var(--c, var(--muted));
  padding: 4px 11px 4px 9px; border-radius: 4px; font-size: 13px; cursor: pointer;
}
.pack[aria-pressed="false"] { opacity: .45; border-left-style: dashed; }
.pack .n { color: var(--muted); font-size: 12px; }
.pack.static { cursor: default; }
.options { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.switch { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); cursor: pointer; }

/* ── 原文／去識別化版本 ── */
.pane-tabs { display: none; }
.panes {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  padding: 0 24px; min-height: 0;
}
.pane {
  display: flex; flex-direction: column;
  /* 固定高度，內容在欄內捲動，才不會撐破版面蓋到下方的代號對照 */
  height: max(420px, calc(100vh - 250px));
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden;
}
/* 上下排列：原文縮小，去識別化版本佔滿整個寬度 */
.panes.stacked { grid-template-columns: 1fr; }
.panes.stacked .pane:first-child { height: 220px; min-height: 120px; resize: vertical; }
.panes.stacked .pane:last-child { height: max(460px, calc(100vh - 250px)); }

.pane-head {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 8px 10px 8px 14px; border-bottom: 1px solid var(--line); background: var(--subtle);
}
.pane-head h2 { margin: 0; font-size: 14px; font-weight: 600; }
.pane-tools { display: flex; gap: 6px; }

textarea#input, .output {
  flex: 1; margin: 0; border: 0; padding: 14px;
  font: 13px/1.7 var(--mono); tab-size: 4;
  background: transparent; resize: none; min-height: 0;
  white-space: pre-wrap; word-break: break-all; overflow: auto;
}
textarea#input:focus { outline: none; }
/* 拖放檔案時的提示框 */
.pane.dragover { border-color: var(--signal); box-shadow: 0 0 0 2px var(--signal) inset; }
.output .empty { color: var(--muted); font-family: var(--sans); }

/* ── 文件格式預覽（Word／Excel／PowerPoint／PDF／Markdown）── */
.doc-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 6px 10px 6px 14px; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--muted);
}
.doc-bar span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.doc-bar button { padding: 3px 10px; font-size: 12.5px; }
.doc-view { flex: 1; min-height: 0; overflow: auto; padding: 14px 16px; font-size: 14px; line-height: 1.7; }
.doc-view:focus { outline: none; }
.doc-view .doc-h { margin: 14px 0 6px; line-height: 1.4; }
.doc-view h2.doc-h { font-size: 20px; }
.doc-view h3.doc-h { font-size: 17px; }
.doc-view h4.doc-h, .doc-view h5.doc-h, .doc-view h6.doc-h { font-size: 15px; }
.doc-view .doc-h:first-child { margin-top: 0; }
.doc-p { margin: 0 0 6px; white-space: pre-wrap; word-break: break-word; }
.doc-li { position: relative; padding-left: 18px; }
.doc-li::before { content: "•"; position: absolute; left: 4px; color: var(--muted); }
.doc-quote { border-left: 3px solid var(--line); padding-left: 10px; color: var(--muted); }
.doc-code { margin: 6px 0 10px; padding: 10px 12px; background: var(--subtle); border-radius: 4px; font: 12.5px/1.6 var(--mono); white-space: pre-wrap; word-break: break-all; }
.doc-table-wrap { overflow-x: auto; margin: 6px 0 12px; }
.doc-table { border-collapse: collapse; font-size: 13px; min-width: 60%; }
.doc-table th, .doc-table td { border: 1px solid var(--line); padding: 5px 9px; text-align: left; vertical-align: top; white-space: nowrap; }
.doc-table th { background: var(--subtle); font-weight: 600; }
/* 投影片、工作表、PDF 頁面各自一張卡片 */
.doc-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 14px 6px; margin-bottom: 14px; }
.doc-card-title { font-size: 12px; font-weight: 600; color: var(--muted); letter-spacing: .03em; margin: -2px 0 8px; padding-bottom: 6px; border-bottom: 1px dashed var(--line); }
.doc-pptx { box-shadow: 0 1px 3px rgba(0, 0, 0, .08); }
.doc-pptx .doc-h { font-size: 18px; }
.doc-pdf .doc-p { margin-bottom: 2px; }
.doc-view .bar { font-size: 11.5px; }

/* 遮蔽標籤：底線顏色代表資料類型 */
.bar {
  background: var(--stamp-bg); color: var(--stamp-fg);
  padding: 1px 6px; border-radius: 3px;
  border-bottom: 3px solid var(--c, var(--muted));
  font-size: 12px; letter-spacing: .02em; cursor: pointer;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
.bar { cursor: pointer; }
.bar:hover { filter: brightness(1.3); }
/* 使用者手動取消遮蔽的值：顯示原文，用虛線底線標出來，點一下恢復遮蔽 */
.bar.revealed {
  background: transparent; color: var(--ink);
  border-bottom: 2px dashed var(--c, var(--muted)); border-radius: 0; padding: 0 1px;
}
.bar.revealed:hover { background: var(--subtle); filter: none; }
.legend tr.revealed td { color: var(--danger); }
.legend td button.link { border: 0; background: none; padding: 0; font: 12px var(--sans); color: var(--signal); text-decoration: underline; cursor: pointer; }

/* ── 狀態列 ── */
.status {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 24px; flex-wrap: wrap; min-height: 42px;
}
.summary { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; }
.summary .warn { color: var(--danger); }
.summary button.link { border: 0; background: none; padding: 0; font-size: 13px; text-align: left; white-space: normal; text-decoration: underline; text-underline-offset: 2px; cursor: pointer; }
.toast { font-size: 13px; color: var(--signal); font-weight: 600; opacity: 0; transition: opacity .2s; }
.toast.show { opacity: 1; }

/* ── 代號對照 ── */
.advanced { margin: 4px 24px 28px; }
.advanced-title { margin: 0 0 8px; font-size: 13px; font-weight: 600; color: var(--muted); letter-spacing: .03em; }
.advanced-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: start; }
.adv-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); min-width: 0; }
.adv-card .packs { padding: 0 14px 14px; }
.adv-card summary { padding: 10px 14px; cursor: pointer; font-size: 14px; font-weight: 600; }
.adv-card summary span { color: var(--muted); font-weight: 400; }
.legend-note { margin: 0 14px 8px; font-size: 13px; color: var(--muted); }
.legend-table-wrap { max-height: 280px; overflow: auto; padding: 0 14px 12px; }
.legend table { border-collapse: collapse; width: 100%; font: 12.5px/1.5 var(--mono); }
.legend th { text-align: left; font: 600 12px var(--sans); color: var(--muted); padding: 4px 8px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--surface); }
.legend td { padding: 3px 8px; border-bottom: 1px solid var(--line); word-break: break-all; }
.legend td:first-child { white-space: nowrap; width: 1%; }
.legend-tools { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 10px 14px 12px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }

/* ── 對話框 ── */
dialog { border: 1px solid var(--line); border-radius: 8px; padding: 0; width: min(420px, 92vw); color: var(--ink); background: var(--surface); }
dialog::backdrop { background: rgba(0, 0, 0, .35); }
.error { color: var(--danger) !important; min-height: 1em; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; }

.privacy { width: min(480px, 94vw); }
.privacy form { padding: 22px 24px 20px; display: grid; gap: 10px; max-height: 86vh; overflow: auto; }
.privacy h2 { margin: 0 0 4px; font-size: 18px; }
.privacy h3 { margin: 8px 0 0; font-size: 15px; }
.privacy p, .privacy ol { margin: 0; font-size: 14px; line-height: 1.7; }
.privacy ol { padding-left: 1.4em; display: grid; gap: 4px; }
.privacy code { font: 12.5px var(--mono); background: var(--subtle); padding: 1px 5px; border-radius: 3px; }
.privacy kbd { font: 12px var(--mono); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 0 5px; background: var(--subtle); }
.privacy .dialog-actions { margin-top: 6px; }
.privacy-points { margin: 4px 0 0; padding-left: 1.2em; display: grid; gap: 8px; font-size: 14px; line-height: 1.7; }
.privacy-verify { font-size: 13.5px; color: var(--muted); }
.privacy-verify summary { cursor: pointer; color: var(--signal); }
.privacy-verify ol { margin: 8px 0 0; padding-left: 1.4em; display: grid; gap: 4px; }

@media (max-width: 860px) {
  body { display: block; }
  .top, .controls { padding-left: 16px; padding-right: 16px; }
  .panes { grid-template-columns: 1fr; padding: 0 16px; }
  .pane, .panes.stacked .pane:last-child { height: 52vh; }
  .status { padding: 10px 16px; }
  .title { font-size: 17px; }
  .layout-seg { display: none; } /* 手機本來就是上下排列 */
  .promise { display: none; }
  /* 觸控目標加大：手機上手指點擊比滑鼠游標容易失準 */
  button, a.ghost, a.primary, .pack, .menu > summary { padding-top: 9px; padding-bottom: 9px; }
  .pack { padding-left: 12px; padding-right: 13px; }
}
@media (max-width: 960px) {
  .panes, .panes.stacked { grid-template-columns: 1fr; }
  .pane, .panes.stacked .pane:first-child, .panes.stacked .pane:last-child { height: 48vh; min-height: 280px; resize: none; }
  .layout-seg { display: none; } /* 這個寬度一律上下排列 */
  .advanced-grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .advanced { margin: 4px 16px 24px; }
  .pane-tabs { display: flex; gap: 4px; margin: 0 16px 10px; padding: 3px; background: var(--subtle); border-radius: 8px; }
  .pane-tabs button { flex: 1; border: 0; background: none; border-radius: 6px; font-weight: 600; color: var(--muted); }
  .pane-tabs button[aria-selected="true"] { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(0, 0, 0, .12); }
  .panes[data-show="input"] .pane:last-child, .panes[data-show="output"] .pane:first-child { display: none; }
  .pane, .panes.stacked .pane:first-child, .panes.stacked .pane:last-child { height: calc(100vh - 230px); min-height: 320px; }
  .samples-grid { grid-template-columns: 1fr; min-width: min(320px, calc(100vw - 32px)); max-height: 70vh; overflow: auto; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}