/* 墨園 mockup v0 — 後台（書法家-admin）樣式
   疊在 style.css 之上：沿用同一套 tokens（宣紙 / 墨 / 朱印 / 楷體），
   只補「工具感」元件：側欄、表格、表單、開關、版型區塊、朱批台。桌機優先（1440+）。 */

[hidden] { display: none !important; }
body.admin { font-size: 15px; line-height: 1.7; }
body.admin h1 { font-size: clamp(1.8rem, 2.6vw, 2.4rem); }
body.admin h2 { font-size: 1.45rem; }
body.admin h3 { font-size: 1.15rem; }

/* ---------- 頂部列 ---------- */
.admin-header .nav { max-width: none; min-height: 60px; gap: 20px; }
.admin-header .brand-name { font-size: 1.3rem; }
.admin-header .where {
  font-family: var(--font-kai); font-size: 1.1rem; letter-spacing: .2em; color: var(--ink-soft);
  padding-left: 20px; border-left: 1px solid var(--line);
}
.admin-header .who { display: flex; align-items: center; gap: 10px; font-family: var(--font-ui); font-size: 13px; line-height: 1.35; }
.avatar.seal { background: var(--seal); }
code.claim {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 11px;
  background: var(--paper-deep); color: var(--ink-soft); padding: 1px 6px; border-radius: 3px;
}

/* ---------- 版面：側欄 + 主區 ---------- */
.admin-layout { display: grid; grid-template-columns: 248px minmax(0, 1fr); min-height: calc(100vh - 88px); }
.admin-side {
  position: sticky; top: 61px; align-self: start; height: calc(100vh - 61px); overflow-y: auto;
  border-right: 1px solid var(--line); background: rgba(235, 227, 211, .45);
  padding: 22px 14px 28px; font-family: var(--font-ui); font-size: 14px;
  display: flex; flex-direction: column; gap: 18px;
}
.academy {
  background: var(--paper-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px;
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 12px; align-items: center;
}
.academy .seal-stamp { width: 42px; height: 42px; font-size: 12px; grid-row: span 2; }
.academy b { font-family: var(--font-kai); font-weight: 400; font-size: 1.1rem; letter-spacing: .1em; }
.academy small { color: var(--ink-faint); font-size: 12px; line-height: 1.4; }
.academy .scope { grid-column: 1 / -1; margin-top: 8px; font-size: 12px; color: var(--jade); line-height: 1.5; }
.academy .scope b { font-family: inherit; font-size: inherit; letter-spacing: 0; font-weight: 700; }
.side-group { list-style: none; margin: 0; padding: 0; }
.side-group-label { font-size: 11px; letter-spacing: .2em; color: var(--ink-faint); padding: 0 10px 4px; }
.side-group a {
  display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--radius);
  text-decoration: none; color: var(--ink-soft); letter-spacing: .06em;
}
.side-group a:hover { background: var(--paper-deep); color: var(--ink); }
.side-group a[aria-current="page"] { background: var(--ink); color: var(--paper); }
.side-group a[aria-current="page"] .ico { border-color: rgba(255,255,255,.4); color: var(--paper); }
.side-group .ico {
  width: 24px; height: 24px; display: grid; place-items: center; border: 1px solid var(--line);
  border-radius: 3px; font-family: var(--font-kai); font-size: 14px; color: var(--seal); flex: none;
}
.badge {
  margin-left: auto; min-width: 20px; padding: 0 7px; border-radius: 999px; background: var(--seal); color: #fff;
  font-size: 11px; line-height: 20px; text-align: center; font-weight: 600;
}
.side-foot { margin-top: auto; display: flex; flex-direction: column; gap: 8px; }
.side-foot .btn { justify-content: center; }

body.admin main { padding: 32px 40px 80px; min-width: 0; }
.admin-wrap { max-width: 1360px; }
.page-head.admin-head { display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.page-head.admin-head h1 { margin: 0; }
.page-head.admin-head .lead { margin: 4px 0 0; color: var(--ink-faint); font-family: var(--font-ui); font-size: 14px; }

/* 主內容 + 右欄 */
.a-split { display: grid; gap: 24px; grid-template-columns: minmax(0, 1fr) 340px; align-items: start; }
.a-split-3 { display: grid; gap: 20px; grid-template-columns: 220px minmax(0, 1fr) 300px; align-items: start; }
.sticky { position: sticky; top: 84px; }

@media (max-width: 1180px) {
  .a-split-3 { grid-template-columns: minmax(0, 1fr) 320px; }
  .a-split-3 > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 980px) {
  .admin-layout { grid-template-columns: minmax(0, 1fr); }
  /* 側欄 → 左側抽屜：頂部列「☰ 選單」開合，點遮罩 / 連結 / Esc 收起 */
  .admin-side {
    position: fixed; top: 0; left: 0; z-index: 60; height: 100vh; height: 100dvh; width: min(300px, 86vw);
    background: var(--paper); border-right: 1px solid var(--line); box-shadow: 0 0 40px rgba(29,27,24,.18);
    transform: translateX(-102%); visibility: hidden; transition: transform .22s ease, visibility .22s;
    overscroll-behavior: contain;
  }
  body.side-open .admin-side { transform: none; visibility: visible; }
  .side-scrim {
    display: block; position: fixed; inset: 0; z-index: 55; background: rgba(29,27,24,.38);
    opacity: 0; pointer-events: none; transition: opacity .22s ease;
  }
  body.side-open .side-scrim { opacity: 1; pointer-events: auto; }
  body.side-open { overflow: hidden; }
  .admin-header .side-toggle { display: inline-flex; }
  .side-group a { padding: 10px 10px; }
  body.admin main { padding: 24px 16px 60px; }
  .a-split, .a-split-3 { grid-template-columns: minmax(0, 1fr); }
  .sticky { position: static; }
}

/* ---------- 數字卡 ---------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr)); gap: 16px; }
.kpi { padding: 18px 20px; text-decoration: none; display: block; }
a.kpi:hover { border-color: var(--ink-soft); }
.kpi b { font-family: var(--font-kai); font-weight: 400; font-size: 2.2rem; display: block; line-height: 1.2; }
.kpi .lbl { font-family: var(--font-ui); font-size: 13px; color: var(--ink-faint); }
.kpi .delta { font-family: var(--font-ui); font-size: 12px; color: var(--jade); display: block; margin-top: 4px; }
.kpi .delta.warn { color: var(--seal); }

/* ---------- 表格 ---------- */
.table-card { padding: 0; overflow: hidden; }
.table-card .table-top { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.table-card .table-top h2 { margin: 0; }
.table { width: 100%; border-collapse: collapse; font-family: var(--font-ui); font-size: 14px; }
.table th {
  text-align: left; font-weight: 600; font-size: 12px; letter-spacing: .08em; color: var(--ink-faint);
  padding: 10px 14px; background: rgba(235, 227, 211, .5); border-bottom: 1px solid var(--line); white-space: nowrap;
}
.table td { padding: 12px 14px; border-bottom: 1px dashed var(--line); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: rgba(255, 253, 248, .8); }
.table tr.is-selected td { background: #fffdf8; box-shadow: inset 0 0 0 0 var(--seal); }
.table tr.is-selected td:first-child { box-shadow: inset 3px 0 0 var(--seal); }
.table .t-title { font-family: var(--font-kai); font-size: 1.05rem; letter-spacing: .05em; }
.table .t-sub { font-size: 12px; color: var(--ink-faint); }
.table .num { font-variant-numeric: tabular-nums; }
.table a.lnk, a.lnk { color: var(--ink); text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 3px; }
a.lnk:hover { text-decoration-color: var(--seal); }
.person { display: flex; align-items: center; gap: 10px; }
.person .avatar { width: 30px; height: 30px; font-size: 14px; flex: none; }
.mini-bar { display: flex; align-items: center; gap: 8px; min-width: 120px; }
.mini-bar .progress { flex: 1; }
.tag.status-draft { border-style: dashed; color: var(--ink-faint); }
.tag.status-quiet { background: var(--paper-deep); border-color: transparent; color: var(--ink-soft); }

/* ---------- 表單 ---------- */
.field { display: block; font-family: var(--font-ui); font-size: 14px; }
.field > .lbl { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; color: var(--ink-soft); }
.input, .field input[type=text], .field input[type=number], .field select, .field textarea {
  display: block; width: 100%; font: inherit; font-size: 14px; padding: 8px 10px; color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--radius); background: #fffdf8;
}
.field textarea { font-family: var(--font-body); font-size: 15px; line-height: 1.8; resize: vertical; }
.input:focus, .field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid rgba(168,50,42,.25); border-color: var(--seal); }
.form-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.hint { font-family: var(--font-ui); font-size: 12px; color: var(--ink-faint); margin-top: 4px; }

/* 開關 */
.switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-family: var(--font-ui); font-size: 14px; user-select: none; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch .track {
  width: 40px; height: 22px; border-radius: 999px; background: #cfc6b4; position: relative; flex: none; transition: background .15s ease;
}
.switch .track::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.2); transition: transform .15s ease;
}
.switch input:checked + .track { background: var(--jade); }
.switch input:checked + .track::after { transform: translateX(18px); }
.switch input:focus-visible + .track { outline: 2px solid var(--seal); outline-offset: 2px; }
.switch input:disabled + .track { opacity: .55; }
.switch.locked { cursor: not-allowed; }
.switch .state { font-size: 12px; color: var(--ink-faint); min-width: 3em; }

.check { display: flex; align-items: flex-start; gap: 10px; font-family: var(--font-ui); font-size: 14px; padding: 8px 0; }
.check input { margin-top: 4px; accent-color: var(--jade); }
.check small { display: block; color: var(--ink-faint); font-size: 12px; }

/* ---------- 教材版型：固定區塊 ---------- */
.outline { list-style: none; margin: 0; padding: 0; font-family: var(--font-ui); font-size: 14px; }
.outline li a {
  display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: var(--radius); text-decoration: none; color: var(--ink-soft);
}
.outline li a:hover { background: var(--paper-deep); }
.outline .n {
  width: 24px; height: 24px; display: grid; place-items: center; border: 1.5px solid var(--seal); color: var(--seal);
  border-radius: 3px; font-size: 12px; flex: none;
}
.outline .ok { margin-left: auto; color: var(--jade); }
.outline .miss { margin-left: auto; color: var(--seal); font-size: 12px; }
.outline .add-block { color: var(--ink-faint); border: 1px dashed var(--line); justify-content: center; margin-top: 8px; cursor: not-allowed; }

.block { padding: 0; overflow: hidden; scroll-margin-top: 80px; }
.block + .block { margin-top: 20px; }
.block-head {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 14px 20px;
  border-bottom: 1px solid var(--line); background: linear-gradient(to right, rgba(235,227,211,.6), transparent);
}
.block-head .n {
  width: 30px; height: 30px; display: grid; place-items: center; background: var(--seal); color: #fff;
  border-radius: 3px; font-family: var(--font-kai); font-size: 15px;
}
.block-head h3 { margin: 0; }
.block-head .lock { font-family: var(--font-ui); font-size: 12px; color: var(--ink-faint); margin-left: auto; }
.block-body { padding: 20px; }
.block-body > * + * { margin-top: 16px; }
.tag.req { background: var(--seal-soft); border-color: transparent; color: var(--seal); }
.tag.opt { border-style: dashed; }
/* 05 教材管理：AI 引用開關只在這裡 */
.ai-only-here { display: flex; align-items: center; gap: 12px; font-family: var(--font-ui); font-size: 13px; line-height: 1.6;
  padding: 10px 14px; border: 1px solid var(--line); border-left: 3px solid var(--jade); border-radius: var(--radius); background: var(--paper-card); }
.ai-only-here .seal-stamp { flex: none; }
#c-yong td:nth-child(2) { min-width: 8.5em; }
#c-yong .mini-bar { min-width: 96px; }
.switch.course-ai { font-family: var(--font-ui); font-size: 13px; padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px; background: #fffdf8; }
/* 04 AI 設定：唯讀引用總覽 */
.ro-list { list-style: none; margin: 0; padding: 0; font-family: var(--font-ui); font-size: 14px; }
.ro-list li { display: flex; align-items: center; gap: 8px; padding: 6px 0; border-bottom: 1px dashed var(--line); }
.ro-list li:last-child { border-bottom: 0; }
.ro-list .on { color: var(--jade); }
.ro-list .off { color: var(--ink-faint); }
.ro-list a { margin-left: auto; font-size: 12px; }
/* 二擇一必填群組：影片或文字講解，至少一種 */
.tag.either { background: #efe6d2; border-color: transparent; color: var(--gold); }
.req-group { border: 1.5px dashed var(--seal); border-radius: calc(var(--radius) + 4px); padding: 12px; background: rgba(168,50,42,.03); }
.req-group + .block { margin-top: 20px; }
.req-group-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-family: var(--font-ui); font-size: 14px; margin: 0 4px 12px; }
.req-group-head b { color: var(--seal); }
.req-group-head .ok { color: var(--jade); margin-left: auto; font-size: 13px; }
.tag.ai { background: var(--jade-soft); border-color: transparent; color: var(--jade); }

.rte { border: 1px solid var(--line); border-radius: var(--radius); background: #fffdf8; overflow: hidden; }
.rte-bar { display: flex; gap: 2px; padding: 6px; border-bottom: 1px solid var(--line); background: var(--paper); flex-wrap: wrap; }
.rte-bar button {
  border: 0; background: none; padding: 4px 10px; border-radius: 4px; cursor: pointer; font-family: var(--font-ui); font-size: 13px; color: var(--ink-soft);
}
.rte-bar button:hover { background: var(--paper-deep); }
.rte .rte-body { padding: 14px 16px; min-height: 160px; font-size: 16px; line-height: 1.9; outline: none; }
.rte .rte-body p { margin: 0 0 .8em; }

.timecodes { list-style: none; margin: 0; padding: 0; font-family: var(--font-ui); font-size: 14px; }
.timecodes li { display: grid; grid-template-columns: 72px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 6px 0; border-bottom: 1px dashed var(--line); }
.timecodes code { font-family: ui-monospace, Menlo, Consolas, monospace; color: var(--seal); }

.kp-edit { list-style: none; margin: 0; padding: 0; counter-reset: kp; }
.kp-edit li { display: grid; grid-template-columns: 30px minmax(0, 1fr) auto; gap: 10px; align-items: center; margin-bottom: 10px; }
.kp-edit li::before {
  counter-increment: kp; content: counter(kp); width: 28px; height: 28px; display: grid; place-items: center;
  border: 1.5px solid var(--seal); color: var(--seal); border-radius: 3px; font-family: var(--font-ui); font-size: 13px;
}
.icon-btn { border: 0; background: none; cursor: pointer; color: var(--ink-faint); font-size: 16px; padding: 4px 6px; border-radius: 4px; }
.icon-btn:hover { background: var(--paper-deep); color: var(--seal); }

/* 範字挑選 */
.glyph-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 12px; }
.glyph-pick { text-align: center; font-family: var(--font-ui); font-size: 12px; color: var(--ink-faint); line-height: 1.4; }
.glyph-pick .grid-cell { margin-bottom: 4px; border-width: 1.5px; }
.glyph-pick .grid-cell .glyph { font-size: 2.6rem; }
.glyph-pick.add .grid-cell { border-style: dashed; border-color: var(--ink-faint); cursor: pointer; }
.glyph-pick.add .grid-cell::before, .glyph-pick.add .grid-cell::after { display: none; }
.glyph-pick.add .glyph { color: var(--ink-faint); font-family: var(--font-ui); font-size: 1.8rem; }
button.glyph-pick { border: 0; background: none; padding: 0; cursor: pointer; }
button.glyph-pick[aria-pressed="true"] .grid-cell { box-shadow: 0 0 0 3px var(--ink); }
button.glyph-pick[aria-pressed="true"] { color: var(--ink); font-weight: 600; }

/* ---------- 練習模板卡 ---------- */
.tpl-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 150px), 1fr)); }
.tpl {
  position: relative; text-align: left; cursor: pointer; padding: 16px 16px 14px; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--paper-card); font: inherit; color: var(--ink);
  transition: border-color .15s ease, transform .1s ease;
}
.tpl:hover { border-color: var(--ink-soft); transform: translateY(-1px); }
.tpl[aria-pressed="true"] { border-color: var(--ink); box-shadow: 0 0 0 1px var(--ink), var(--shadow); }
.tpl[aria-pressed="true"]::after {
  content: "選"; position: absolute; top: 10px; right: 10px; width: 26px; height: 26px; display: grid; place-items: center;
  border: 1.5px solid var(--seal); color: var(--seal); border-radius: 3px; font-family: var(--font-kai); font-size: 13px; transform: rotate(-6deg);
}
.tpl .t { font-family: var(--font-kai); font-size: 1.35rem; letter-spacing: .15em; display: block; }
.tpl .d { font-family: var(--font-ui); font-size: 13px; color: var(--ink-faint); display: block; margin: 2px 0 8px; line-height: 1.5; }
.tpl[disabled] { opacity: .5; cursor: not-allowed; transform: none; }
.tier { font-family: var(--font-ui); font-size: 12px; letter-spacing: .2em; color: var(--ink-faint); margin: 18px 0 8px; }

.preview-frame { border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); overflow: hidden; }
.preview-frame .pf-bar {
  font-family: var(--font-ui); font-size: 12px; color: var(--ink-faint); padding: 6px 12px; border-bottom: 1px solid var(--line);
  background: var(--paper-deep); display: flex; gap: 8px; align-items: center;
}
.preview-frame .pf-bar i { width: 8px; height: 8px; border-radius: 50%; background: #cfc6b4; display: inline-block; }
.preview-frame .pf-body { padding: 16px; }
.pv-board { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.pv-board .grid-cell .glyph { font-size: 3.4rem; }
.pv-board .grid-cell .glyph.model { color: var(--ink); }
.pv-board .grid-cell .glyph.hidden-glyph { visibility: hidden; }
.pv-board .grid-cell .order { position: absolute; top: 6px; left: 8px; z-index: 2; font-family: var(--font-ui); font-size: 11px; color: var(--seal); }
.pv-board.copy { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pv-caption { font-family: var(--font-ui); font-size: 13px; color: var(--ink-soft); margin-top: 10px; }

.slider { width: 100%; accent-color: var(--seal); }

/* ---------- 朱批台 ---------- */
.queue { list-style: none; margin: 0; padding: 0; font-family: var(--font-ui); font-size: 13px; }
.queue li + li { border-top: 1px dashed var(--line); }
.queue button {
  width: 100%; text-align: left; display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 10px; align-items: center;
  border: 0; background: none; padding: 10px; cursor: pointer; font: inherit; color: var(--ink); border-radius: var(--radius);
}
.queue button:hover { background: var(--paper-deep); }
.queue button[aria-current="true"] { background: #fffdf8; box-shadow: inset 3px 0 0 var(--seal); }
.queue .thumb { aspect-ratio: 1; min-height: 0; padding: 0; font-size: 10px; }
.queue .thumb .big { font-size: 1.5rem; }
.queue b { font-weight: 600; }
.queue .meta { color: var(--ink-faint); display: block; line-height: 1.5; }
.queue .flag { color: var(--jade); font-size: 12px; }
.queue .wait-long { color: var(--seal); }

.sheet-wrap { position: relative; }
.sheet {
  position: relative; background: #fffdf8; border: 1px solid var(--line); box-shadow: var(--shadow);
  padding: 28px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px;
  background-image: radial-gradient(circle at 70% 20%, rgba(154,123,63,.06), transparent 50%);
}
.sheet .grid-cell { border-width: 1.5px; border-color: rgba(168,50,42,.55); }
.sheet .grid-cell .glyph.student { color: #2a2622; font-size: clamp(4rem, 7vw, 6.4rem); transform: rotate(-2deg); text-shadow: 0 0 1px rgba(0,0,0,.4); }
.sheet .grid-cell:nth-child(2) .glyph.student { transform: rotate(1.5deg) translateX(4px); }
.sheet .grid-cell:nth-child(3) .glyph.student { transform: rotate(-1deg) scale(.94); }
.sheet .sheet-cap { grid-column: 1 / -1; font-family: var(--font-ui); font-size: 12px; color: var(--ink-faint); display: flex; justify-content: space-between; margin-top: -6px; }
.sheet canvas.redink { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 4; cursor: crosshair; touch-action: none; }
.ai-mark {
  position: absolute; z-index: 3; border: 1.5px dashed var(--jade); border-radius: 50%; pointer-events: none;
}
.ai-mark span {
  position: absolute; top: -26px; left: 50%; transform: translateX(-50%); white-space: nowrap;
  font-family: var(--font-ui); font-size: 11px; background: var(--jade); color: #fff; padding: 1px 8px; border-radius: 3px;
}
.sheet-wrap.hide-ai .ai-mark { display: none; }
.redink-tools { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-family: var(--font-ui); font-size: 13px; }
.redink-tools .pen[aria-pressed="true"] { background: var(--seal); border-color: var(--seal); color: #fff; }
.demo-row { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 18px; align-items: start; }
.demo-row .grid-cell canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; cursor: crosshair; touch-action: none; }
.phrases { display: flex; gap: 6px; flex-wrap: wrap; }
.phrases button { font-family: var(--font-ui); font-size: 12px; }
.student-note { background: var(--paper); border: 1px dashed var(--line); border-radius: var(--radius); padding: 10px 12px; font-size: 14px; }
.student-note .who { font-family: var(--font-ui); font-size: 12px; color: var(--ink-faint); }
.ai-panel { border: 1px solid var(--jade-soft); background: rgba(223,231,223,.35); border-radius: var(--radius); padding: 12px 14px; font-family: var(--font-ui); font-size: 13px; }
.ai-panel b { color: var(--jade); }
.ai-panel ul { margin: 6px 0 0; padding-left: 1.2em; }

/* ---------- 動態 / 時間軸 ---------- */
.feed { list-style: none; margin: 0; padding: 0; font-family: var(--font-ui); font-size: 14px; }
.feed li { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.feed li:last-child { border-bottom: 0; }
.feed time { color: var(--ink-faint); font-size: 12px; padding-top: 2px; }
.todo { list-style: none; margin: 0; padding: 0; font-family: var(--font-ui); font-size: 14px; }
.todo li { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px dashed var(--line); }
.todo li:last-child { border-bottom: 0; }
.todo .n { font-family: var(--font-kai); font-size: 1.5rem; color: var(--seal); width: 1.6em; text-align: center; }

.ask { padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius); background: #fffdf8; font-size: 15px; }
.ask + .ask { margin-top: 10px; }
.ask .meta { font-family: var(--font-ui); font-size: 12px; color: var(--ink-faint); }
.ask .row { margin-top: 8px; }

/* ---------- 功能許願 ---------- */
.pipeline { display: flex; gap: 0; font-family: var(--font-ui); font-size: 12px; flex-wrap: wrap; }
.pipeline span { padding: 3px 12px 3px 16px; background: var(--paper-deep); color: var(--ink-faint); position: relative; clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 50%, calc(100% - 8px) 100%, 0 100%, 8px 50%); margin-right: -4px; }
.pipeline span:first-child { clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 50%, calc(100% - 8px) 100%, 0 100%); padding-left: 12px; }
.pipeline span.done { background: var(--jade-soft); color: var(--jade); }
.pipeline span.now { background: var(--ink); color: var(--paper); }
.pipeline span.no { background: var(--seal-soft); color: var(--seal); }
.wish { padding: 0; overflow: hidden; }
.wish + .wish { margin-top: 16px; }
.wish-main { padding: 18px 20px; display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 16px; cursor: pointer; }
.wish-main:hover { background: rgba(255,253,248,.7); }
.wish.is-open .wish-main { background: #fffdf8; }
.vote {
  border: 1px solid var(--line); border-radius: var(--radius); text-align: center; font-family: var(--font-ui); font-size: 11px;
  color: var(--ink-faint); padding: 6px 0; background: var(--paper-card); align-self: start; line-height: 1.3;
}
.vote b { display: block; font-family: var(--font-kai); font-weight: 400; font-size: 1.4rem; color: var(--ink); }
.wish h3 { margin: 0 0 4px; }
.wish .meta { font-family: var(--font-ui); font-size: 12px; color: var(--ink-faint); }
.wish .why { font-size: 15px; color: var(--ink-soft); margin: 8px 0 10px; }
.wish-thread { border-top: 1px solid var(--line); padding: 18px 20px 20px 92px; background: var(--paper); }
.wish:not(.is-open) .wish-thread { display: none; }
.bubble { max-width: 640px; padding: 10px 14px; border-radius: 10px; font-size: 15px; line-height: 1.75; background: #fffdf8; border: 1px solid var(--line); }
.bubble + .bubble { margin-top: 12px; }
.bubble .who { font-family: var(--font-ui); font-size: 12px; letter-spacing: .06em; margin-bottom: 2px; }
.bubble.me .who { color: var(--seal); }
.bubble.platform { border-color: var(--ink-soft); background: var(--paper-card); }
.bubble.platform .who { color: var(--ink); }
.bubble.platform .who::before { content: "◆ "; color: var(--gold); }
.bubble .ph { min-height: 120px; margin-top: 8px; }
.bubble .opts { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.reply-box { display: flex; gap: 10px; margin-top: 14px; }
.reply-box input { flex: 1; }
.decline { border-left: 3px solid var(--seal); }
.shipped { border-left: 3px solid var(--jade); }

/* =====================================================================
   後台 RWD — 桌面 >1024 不受影響；側欄抽屜見上方 ≤980 區塊
   ===================================================================== */
@media (max-width: 980px) {
  .admin-header .nav { flex-wrap: nowrap; }
  .admin-header .who-txt { display: none; } /* 只留頭像，title 有說明 */
}
@media (max-width: 900px) {
  .admin-header .where { display: none; }
}
@media (max-width: 720px) {
  .admin-header .nav { gap: 10px; min-height: 56px; flex-wrap: nowrap; }
  /* 「👁 看前台這一頁」縮成只剩眼睛圖示（文字仍在 DOM，title 有說明） */
  .admin-header .btn.ghost.sm { font-size: 0; gap: 0; min-width: 44px; min-height: 40px; padding: 0 10px; justify-content: center; }
  .admin-header .btn.ghost.sm::before { content: "👁"; font-size: 16px; }
  body.admin main { padding: 20px var(--gutter) 56px; }
  body.admin h1 { font-size: 1.7rem; }
  .page-head.admin-head { margin-bottom: 18px; }
  .table td, .table th { padding: 10px 12px; }
  .table-scroll .table .person, .table-scroll .table .t-title, .table-scroll .table .tag { white-space: nowrap; }
  .table-card .table-top { padding: 14px 16px; }
  .block-head { padding: 12px 16px; }
  .block-head .lock { margin-left: 0; flex-basis: 100%; }
  .block-body { padding: 16px; }
  .req-group { padding: 8px; }
  .wish-main { grid-template-columns: 48px minmax(0, 1fr); gap: 12px; padding: 16px; }
  .wish-thread { padding: 16px; }
  .reply-box { flex-wrap: wrap; }
  .reply-box input { min-width: 0; }
  .demo-row { grid-template-columns: minmax(0, 1fr); }
  .demo-row > :first-child { max-width: 200px; }
  .sheet { padding: 14px; gap: 10px; }
  .timecodes li { grid-template-columns: 60px minmax(0, 1fr) auto; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .kpi { padding: 14px 16px; }
  .kpi b { font-size: 1.8rem; }
  .icon-btn { min-width: 36px; min-height: 36px; }
  .rte-bar button { padding: 8px 10px; }
  .ai-only-here { align-items: flex-start; flex-wrap: wrap; }
  /* 朱批台 AI 標記的說明籤：靠標記邊緣對齊，不超出作品框 */
  .ai-mark span { left: 0; transform: none; font-size: 10px; padding: 0 6px; }
  .ai-mark[style*="left:5"] span, .ai-mark[style*="left:6"] span, .ai-mark[style*="left:7"] span, .ai-mark[style*="left:8"] span { left: auto; right: 0; }
}
@media (max-width: 480px) {
  .admin-header .brand-name { font-size: 1.15rem; }
  .academy { padding: 12px; }
  .glyph-row { grid-template-columns: repeat(auto-fill, minmax(68px, 1fr)); gap: 8px; }
  .glyph-pick .grid-cell .glyph { font-size: 2.1rem; }
  .sheet .grid-cell .glyph.student { font-size: 3rem; }
  .pv-board .grid-cell .glyph { font-size: 2.6rem; }
}