/*
  後台樣式。
  ═══════════════════════════════════════════════════════════════════════════
  跟前台同一組顏色，但密度完全不同：前台是給訪客看一次的，後台是給同一個人
  每天看兩小時的。所以這裡的行高更緊、字級更小、留白更少 —— 一個畫面能放進
  多少列，直接決定了編輯的人要捲多少次。
*/
:root {
  --ink: #08090e; --ink-2: #0c0e15; --ink-3: #11141d;
  --line: rgba(255,255,255,.10); --line-soft: rgba(255,255,255,.06);
  --text: #e9ebf2; --muted: #969db2; --muted-2: #6d748a;
  --blue: #3b6ef5; --teal: #2fbf9e; --coral: #e4785a;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI",
          "PingFang TC", "Noto Sans TC", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--ink); color: var(--text); font: 400 14px/1.6 var(--sans); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 4px; }
[hidden] { display: none !important; }

.btn {
  font: 500 13.5px/1 var(--sans); color: var(--text);
  background: rgba(255,255,255,.05); border: 1px solid var(--line);
  border-radius: 8px; padding: 9px 15px; cursor: pointer;
  transition: background .15s, border-color .15s;
}
.btn:hover { background: rgba(255,255,255,.10); border-color: rgba(255,255,255,.2); }
.btn.primary { background: var(--blue); border-color: transparent; color: #fff; }
.btn.primary:hover { background: #4d7bf7; }
.btn.danger { color: var(--coral); border-color: rgba(228,120,90,.35); background: transparent; }
.btn.danger:hover { background: rgba(228,120,90,.12); }
.linky { background: none; border: 0; color: var(--muted); font: inherit; font-size: 13px; cursor: pointer; padding: 0; }
.linky:hover { color: var(--text); }

.field { display: grid; gap: 6px; margin: 0 0 16px; }
.field label { font-size: 12.5px; color: var(--muted); font-family: var(--mono); display: flex; gap: 10px; }
.field label .hint { color: var(--muted-2); font-family: var(--sans); }
.field input, .field select, .field textarea {
  font: inherit; font-size: 14px; color: var(--text); width: 100%;
  background: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px;
}
.field textarea { resize: vertical; line-height: 1.65; }

/* ── 登入 ─────────────────────────────────────────────────────────────── */
.gate { min-height: 100svh; display: grid; place-items: center; padding: 24px; }
.gate-card { width: 100%; max-width: 360px; padding: 34px; border: 1px solid var(--line); border-radius: 16px; background: var(--ink-2); }
.gate-brand { margin: 0 0 26px; font-weight: 600; font-size: 15px; }
.gate-brand em { font-style: normal; color: var(--muted); }
.gate-brand i { font-style: normal; color: var(--muted-2); }
.gate-card h1 { margin: 0 0 24px; font-size: 21px; font-weight: 500; }
.gate-card .btn { width: 100%; padding: 11px; }
.gate-error { margin: 14px 0 0; font-size: 13px; color: var(--coral); min-height: 1em; }

/* ── 版面 ─────────────────────────────────────────────────────────────── */
.app { display: grid; grid-template-columns: 232px 1fr; min-height: 100svh; }
.side { border-right: 1px solid var(--line-soft); background: var(--ink-2); padding: 20px 14px; display: flex; flex-direction: column; gap: 22px; position: sticky; top: 0; height: 100svh; overflow-y: auto; }
.side-brand { margin: 0 0 4px 10px; font-weight: 600; font-size: 14.5px; }
.side-brand em { font-style: normal; color: var(--muted); }
.side-brand i { font-style: normal; color: var(--muted-2); }
.side-label { margin: 0 0 6px 10px; font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted-2); }
.side-nav { display: grid; gap: 1px; }
.side-nav button {
  text-align: left; font: inherit; font-size: 13.5px; color: var(--muted);
  background: none; border: 0; border-radius: 7px; padding: 7px 10px; cursor: pointer;
}
.side-nav button:hover { color: var(--text); background: rgba(255,255,255,.05); }
.side-nav button[aria-current="true"] { color: var(--text); background: rgba(59,110,245,.16); }
.side-foot { margin-top: auto; display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 12px 10px 0; border-top: 1px solid var(--line-soft); font-size: 12.5px; color: var(--muted-2); }

.main { min-width: 0; }
.bar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 26px; border-bottom: 1px solid var(--line-soft); background: rgba(8,9,14,.9); backdrop-filter: blur(10px); }
.bar h1 { margin: 0; font-size: 17px; font-weight: 500; }
.bar-end { display: flex; align-items: center; gap: 12px; }
.locales { display: flex; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; }
.locales button { font: inherit; font-size: 12.5px; color: var(--muted-2); background: none; border: 0; border-radius: 999px; padding: 4px 11px; cursor: pointer; }
.locales button:hover { color: var(--text); }
.locales button[aria-pressed="true"] { color: var(--text); background: rgba(255,255,255,.09); }
.body { padding: 22px 26px 60px; }
.empty { color: var(--muted-2); font-size: 14px; }

/* ── 表格 ─────────────────────────────────────────────────────────────── */
.grid { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.grid th { text-align: left; font-weight: 500; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); padding: 0 14px 10px 0; font-family: var(--mono); }
.grid td { padding: 11px 14px 11px 0; border-top: 1px solid var(--line-soft); vertical-align: top; }
/* 長文欄位截斷成兩行。表格的工作是讓人找到那一列，不是顯示它的全部內容。 */
.grid td.long { color: var(--muted); max-width: 460px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.grid td.thin { width: 1%; white-space: nowrap; color: var(--muted-2); font-size: 12.5px; }
.grid tbody tr { cursor: pointer; }
.grid tbody tr:hover td { background: rgba(255,255,255,.035); }
.grid tbody tr:hover td.thin { color: var(--blue); }

/* ── 編輯面板 ─────────────────────────────────────────────────────────── */
.editor { width: min(680px, calc(100vw - 32px)); border: 1px solid var(--line); border-radius: 14px; background: var(--ink-2); color: var(--text); padding: 0; }
.editor::backdrop { background: rgba(4,5,9,.7); }
.editor-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--line-soft); }
.editor-head h2 { margin: 0; font-size: 15.5px; font-weight: 500; }
.editor-body { padding: 20px 22px 4px; max-height: 62vh; overflow-y: auto; }
.editor-foot { display: flex; align-items: center; gap: 10px; padding: 16px 22px; border-top: 1px solid var(--line-soft); }
.editor-foot .spacer { flex: 1; }
.editor-error { margin: 0; padding: 0 22px 16px; font-size: 13px; color: var(--coral); }
.editor-error:empty { display: none; }

/* ── 設定 ─────────────────────────────────────────────────────────────── */
.settings { display: grid; gap: 14px; max-width: 720px; }
.setting { padding: 18px 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--ink-2); }
.setting-key { margin: 0 0 4px; font-family: var(--mono); font-size: 13px; }
.setting-note { margin: 0 0 14px; font-size: 13px; color: var(--muted); }
.setting-row { display: flex; gap: 10px; margin: 0; }
.setting-row input { flex: 1; font: inherit; font-size: 13.5px; color: var(--text); background: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; }
.setting-when { margin: 10px 0 0; font-size: 12px; color: var(--muted-2); }

/* ── 詢問 ─────────────────────────────────────────────────────────────── */
.cards { display: grid; gap: 12px; max-width: 820px; }
.enquiry { padding: 18px 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--ink-2); }
.enquiry-top { display: flex; align-items: baseline; gap: 12px; margin: 0 0 8px; font-size: 12.5px; color: var(--muted-2); }
.enquiry-top b { font-family: var(--mono); font-size: 13px; color: var(--text); font-weight: 500; }
.enquiry-top .ok { color: var(--teal); }
.enquiry-top .warn { color: var(--coral); }
.enquiry-who { margin: 0 0 6px; font-size: 14px; }
.enquiry-meta { margin: 0 0 12px; font-size: 12.5px; color: var(--muted-2); }
.enquiry-message { margin: 0; font-size: 13.5px; color: var(--muted); white-space: pre-wrap; }

/* ── 提示 ─────────────────────────────────────────────────────────────── */
.toast { position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%); margin: 0; padding: 10px 18px; border-radius: 999px; background: rgba(20,23,32,.96); border: 1px solid var(--line); font-size: 13.5px; box-shadow: 0 20px 50px -24px #000; }

@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; }
  .side-nav { grid-auto-flow: column; grid-auto-columns: max-content; }
  .side-label { display: none; }
}