/* 论文审校 · 样式（移植自设计稿 论文审校-主页/审校台/购买；复用 styles.css 的 Spectrum tokens）。
   作用域统一挂在 .paper-app 下，避免污染书稿审校页。 */
.paper-app {
  --pp-accent: var(--spectrum-blue-900);
  --pp-accent-700: var(--spectrum-blue-1000);
  --pp-accent-100: var(--spectrum-blue-100);
  --pp-ink: var(--spectrum-gray-800);
  --pp-ink-2: var(--spectrum-gray-700);
  --pp-muted: var(--spectrum-gray-600);
  --pp-faint: var(--spectrum-gray-500);
  --pp-line: var(--spectrum-gray-200);
  --pp-line-2: var(--spectrum-gray-300);
  --pp-bg: var(--spectrum-gray-50);
  --pp-bg-2: var(--spectrum-gray-100);
  --pp-pos: var(--spectrum-green-900);
  --pp-pos-bg: var(--spectrum-green-100);
  --pp-warn: var(--spectrum-orange-900);
  --pp-warn-bg: var(--spectrum-orange-100, #fff1e0);
  --pp-serif: var(--spectrum-font-family-serif);
  height: 100vh; color: var(--pp-ink); background: var(--pp-bg-2);
  font-family: var(--spectrum-font-family-base); font-size: 15px;
}
.paper-app *, .paper-app *::before, .paper-app *::after { box-sizing: border-box; }
.paper-app button { font-family: inherit; cursor: pointer; }
.paper-app a { color: inherit; text-decoration: none; }

/* ── 主页布局 ── */
.pp-layout { display: grid; grid-template-columns: 284px 1fr; height: 100vh; }
.pp-side { background: var(--pp-bg); border-right: 1px solid var(--pp-line); display: flex; flex-direction: column; min-height: 0; }
.pp-side-top { padding: 18px 18px 0; }
.pp-brand { display: flex; align-items: center; gap: 10px; padding: 4px 4px 18px; }
.pp-mark { width: 30px; height: 30px; border-radius: 8px; background: var(--pp-accent); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 16px; flex: none; }
.pp-brand .pp-name { font-weight: 700; font-size: 15.5px; }
.pp-newbtn { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; height: 44px; border: none; border-radius: 10px; background: var(--pp-accent); color: #fff; font-size: 15px; font-weight: 600; transition: background .13s; }
.pp-newbtn:hover { background: var(--pp-accent-700); }
.pp-newbtn svg { width: 18px; height: 18px; }
.pp-side-list { flex: 1; overflow-y: auto; padding: 18px 12px 12px; min-height: 0; }
.pp-list-label { display: flex; align-items: center; justify-content: space-between; font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--pp-faint); padding: 0 8px 10px; }
.pp-file-card { display: block; width: 100%; text-align: left; border: 1px solid transparent; background: none; border-radius: 10px; padding: 11px; margin-bottom: 4px; transition: background .12s, border-color .12s; }
.pp-file-card:hover { background: var(--pp-bg-2); }
.pp-file-card.done { cursor: pointer; }
.pp-file-card.done:hover { border-color: var(--pp-line-2); background: var(--pp-bg); }
.pp-fc-top { display: flex; align-items: flex-start; gap: 10px; }
.pp-fic { width: 28px; height: 28px; border-radius: 7px; background: var(--pp-accent); color: #fff; display: grid; place-items: center; font-size: 11px; font-weight: 700; flex: none; }
.pp-fic.gray { background: var(--pp-line-2); color: var(--pp-muted); }
.pp-fc-name { font-size: 13px; font-weight: 600; color: var(--pp-ink); line-height: 1.35; word-break: break-all; }
.pp-fc-size { font-size: 11px; color: var(--pp-faint); margin-top: 2px; }
.pp-fc-prog { margin-top: 10px; }
.pp-fc-stage { display: flex; align-items: center; justify-content: space-between; font-size: 11.5px; margin-bottom: 5px; }
.pp-fc-stage .st { display: flex; align-items: center; gap: 6px; font-weight: 600; color: var(--pp-ink-2); }
.pp-spin { width: 11px; height: 11px; border: 2px solid var(--pp-line-2); border-top-color: var(--pp-accent); border-radius: 50%; animation: pp-spin .7s linear infinite; }
@keyframes pp-spin { to { transform: rotate(360deg); } }
.pp-bar { height: 5px; border-radius: 3px; background: var(--pp-bg-2); overflow: hidden; }
.pp-bar i { display: block; height: 100%; background: var(--pp-accent); border-radius: 3px; transition: width .4s; }
.pp-fc-done { display: flex; align-items: center; gap: 8px; margin-top: 9px; }
.pp-done-pill { display: inline-flex; align-items: center; gap: 5px; height: 22px; padding: 0 9px; border-radius: 6px; background: var(--pp-pos-bg); color: var(--pp-pos); font-size: 11.5px; font-weight: 700; }
.pp-done-pill svg { width: 11px; height: 11px; }
.pp-fc-open { margin-left: auto; font-size: 12px; color: var(--pp-accent); font-weight: 600; }
.pp-side-foot { border-top: 1px solid var(--pp-line); padding: 14px 16px; }
.pp-acct { display: flex; align-items: center; gap: 11px; }
.pp-avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--spectrum-indigo-100, #edeaff); color: var(--spectrum-indigo-900, #4b3bce); display: grid; place-items: center; font-weight: 700; font-size: 14px; flex: none; }
.pp-acct .an { font-size: 13.5px; font-weight: 600; }
.pp-acct .am { font-size: 11.5px; color: var(--pp-faint); }
.pp-logout { margin-left: auto; color: var(--pp-faint); background: none; border: none; font-size: 12.5px; }
.pp-logout:hover { color: var(--pp-ink); }

.pp-main { overflow-y: auto; min-height: 0; }
.pp-topbar { display: flex; align-items: center; gap: 14px; padding: 18px 36px; }
.pp-promo { display: inline-flex; align-items: center; gap: 9px; height: 36px; padding: 0 14px; border-radius: 9px; background: var(--pp-accent-100); color: var(--pp-accent-700); font-size: 13.5px; font-weight: 600; border: 1px solid var(--spectrum-blue-200, #cce0ff); }
.pp-spacer { margin-left: auto; }
.pp-credit-pill { display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 0 14px; border-radius: 9px; background: var(--pp-bg); border: 1px solid var(--pp-line); font-size: 13.5px; color: var(--pp-ink-2); font-weight: 600; }
.pp-credit-pill b { color: var(--pp-accent); }
.pp-btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; height: 36px; padding: 0 16px; border-radius: 9px; font-size: 14px; font-weight: 600; border: 1px solid transparent; white-space: nowrap; }
.pp-btn svg { width: 17px; height: 17px; flex: 0 0 auto; }
.pp-btn-cta { background: var(--pp-accent); color: #fff; }
.pp-btn-cta:hover { background: var(--pp-accent-700); }
.pp-btn-ghost { background: var(--pp-bg); color: var(--pp-ink); border-color: var(--pp-line-2); }
.pp-btn-ghost:hover { background: var(--pp-bg-2); }

.pp-stage { max-width: 880px; margin: 0 auto; padding: 26px 36px 64px; }
.pp-hello { font-family: var(--pp-serif); font-size: 34px; font-weight: 700; }
.pp-hello-sub { font-size: 16px; color: var(--pp-muted); margin-top: 8px; }
.pp-hello-sub b { color: var(--pp-ink-2); font-weight: 700; }

.pp-drop { margin-top: 30px; border: 2px dashed var(--pp-line-2); border-radius: 18px; background: var(--pp-bg); padding: 48px 32px; text-align: center; transition: border-color .15s, background .15s; }
.pp-drop.over { border-color: var(--pp-accent); background: var(--pp-accent-100); }
.pp-drop h2 { font-size: 21px; font-weight: 700; }
.pp-drop p { font-size: 14.5px; color: var(--pp-muted); margin-top: 9px; }
.pp-drop .pp-btn-cta { height: 42px; padding: 0 22px; font-size: 15px; margin-top: 22px; }
.pp-drop .meta { margin-top: 18px; font-size: 12.5px; color: var(--pp-faint); }

.pp-recent { margin-top: 40px; }
.pp-recent-head { display: flex; align-items: center; gap: 9px; margin-bottom: 18px; }
.pp-recent-head h3 { font-size: 16px; font-weight: 700; }
.pp-rgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.pp-rcard { background: var(--pp-bg); border: 1px solid var(--pp-line); border-radius: 14px; padding: 18px; transition: border-color .13s, box-shadow .13s, transform .13s; }
.pp-rcard.clk { cursor: pointer; }
.pp-rcard.clk:hover { border-color: var(--pp-line-2); box-shadow: 0 12px 30px -20px rgba(0,0,0,.25); transform: translateY(-2px); }
.pp-rc-top { display: flex; align-items: flex-start; gap: 12px; }
.pp-rc-top .pp-fic { width: 36px; height: 36px; border-radius: 9px; font-size: 13px; }
.pp-rc-name { font-size: 15px; font-weight: 700; line-height: 1.35; word-break: break-all; }
.pp-rc-sub { font-size: 12.5px; color: var(--pp-faint); margin-top: 3px; }
.pp-rc-stats { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.pp-chip { display: inline-flex; align-items: center; gap: 5px; height: 26px; padding: 0 10px; border-radius: 7px; font-size: 12.5px; font-weight: 600; background: var(--pp-bg-2); color: var(--pp-ink-2); }
.pp-chip.warn { background: var(--pp-warn-bg); color: var(--pp-warn); }
.pp-chip.pos { background: var(--pp-pos-bg); color: var(--pp-pos); }
.pp-rc-foot { display: flex; align-items: center; gap: 10px; margin-top: 14px; padding-top: 13px; border-top: 1px solid var(--pp-line); }
.pp-rc-cta { margin-left: auto; font-size: 13px; font-weight: 700; color: var(--pp-accent); }
.pp-rc-del { background: none; border: none; color: var(--pp-faint); font-size: 12.5px; }
.pp-rc-del:hover { color: var(--spectrum-negative-color); }
.pp-empty { text-align: center; color: var(--pp-faint); font-size: 14px; padding: 30px 0; }

/* buy toast */
.pp-buy-toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); background: var(--spectrum-gray-800); color: #fff; padding: 13px 16px 13px 20px; border-radius: 12px; display: flex; align-items: center; gap: 16px; box-shadow: 0 12px 34px rgba(0,0,0,.28); z-index: 60; font-size: 14px; }
.pp-buy-toast button { color: #fff; font-weight: 700; background: var(--pp-accent); padding: 8px 15px; border-radius: 8px; font-size: 13.5px; border: none; }

/* ── 审校台（复用书稿审校页 review.css 的卡片/diff/pill 视觉，这里仅补论文台壳）── */
.pp-rv { height: 100vh; display: flex; flex-direction: column; }
.pp-rv-top { flex: 0 0 auto; height: 60px; display: flex; align-items: center; justify-content: space-between; padding: 0 22px; background: var(--spectrum-background-base); border-bottom: 1px solid var(--spectrum-border-default); }
.pp-rv-left { display: flex; align-items: center; gap: 6px; min-width: 0; }
.pp-rv-back { width: 36px; height: 36px; border: none; background: transparent; border-radius: 8px; color: var(--spectrum-text-secondary); display: grid; place-items: center; }
.pp-rv-back:hover { background: var(--spectrum-overlay-hover); color: var(--spectrum-text-primary); }
.pp-rv-back svg { width: 19px; height: 19px; }
.pp-rv-title { font-size: 16px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 460px; }
.pp-rv-sub { font-size: 12px; color: var(--spectrum-text-tertiary); }
.pp-rv-right { display: flex; align-items: center; gap: 12px; }
.pp-prog { display: inline-flex; align-items: center; gap: 10px; height: 44px; padding: 0 14px; border-radius: 8px; background: var(--spectrum-background-layer-1); border: 1px solid var(--spectrum-border-default); }
.pp-prog .pl { font-size: 10px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--spectrum-text-tertiary); }
.pp-prog .pv { font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; }
.pp-mode { display: inline-flex; align-items: center; gap: 12px; height: 44px; padding: 0 14px; border-radius: 8px; background: var(--spectrum-background-layer-1); border: 1px solid var(--spectrum-border-default); }
.pp-mode:hover { background: var(--spectrum-overlay-hover); }
.pp-mode .ml { font-size: 10px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--spectrum-text-tertiary); }
.pp-mode .mv { font-size: 14px; font-weight: 600; }
.pp-rv-body { flex: 1 1 auto; display: flex; min-height: 0; }
.pp-rv-rail { flex: 0 0 280px; overflow-y: auto; padding: 20px 16px 28px; background: var(--spectrum-background-layer-1); border-right: 1px solid var(--spectrum-border-default); display: flex; flex-direction: column; gap: 16px; }
.pp-rv-content { flex: 1 1 auto; min-width: 0; overflow-y: auto; }

/* ── 审校台组件（卡片/diff/筛选 pill/标签/徽章/原文弹层/模式弹窗/toast）——移植自设计稿，统一 .paper-app 作用域 ── */
.paper-app .pp-btnx { display: inline-flex; align-items: center; gap: 7px; height: 40px; padding: 0 16px; border-radius: 8px; font-size: 14px; font-weight: 600; border: 1px solid transparent; white-space: nowrap; }
.paper-app .pp-btnx svg { width: 16px; height: 16px; }
.paper-app .pp-btnx.accent { background: var(--pp-accent); color: #fff; }
.paper-app .pp-btnx.accent[disabled] { opacity: .45; pointer-events: none; }
.paper-app .pp-btnx.secondary { background: var(--spectrum-background-base); color: var(--spectrum-text-primary); border-color: var(--spectrum-border-default); }
.paper-app .pp-btnx.secondary:hover { background: var(--spectrum-overlay-hover); }
.paper-app .pp-btnx.secondary[disabled] { opacity: .45; pointer-events: none; }
.paper-app .pp-btnx.quiet { background: transparent; color: var(--spectrum-text-secondary); }
.paper-app .pp-btnx.quiet:hover { background: var(--spectrum-overlay-hover); }
.paper-app .pp-btnx.sm { height: 32px; padding: 0 12px; font-size: 13px; }

.paper-app .rail-head { font-size: 11px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--spectrum-text-tertiary); margin-bottom: 9px; }
.paper-app .rail-block { display: flex; flex-direction: column; }
.paper-app .doc-chip { display: flex; align-items: center; gap: 10px; padding: 11px 12px; border: 1px solid var(--spectrum-border-default); border-radius: 8px; background: var(--spectrum-background-base); }
.paper-app .doc-chip .fic { width: 28px; height: 28px; flex: none; border-radius: 7px; background: var(--pp-accent); color: #fff; display: grid; place-items: center; font-size: 11px; font-weight: 700; }
.paper-app .doc-chip .dn { font-size: 13px; font-weight: 600; line-height: 1.3; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.paper-app .doc-chip .dm { font-size: 11.5px; color: var(--spectrum-text-tertiary); }
.paper-app .pill-wrap { display: flex; flex-wrap: wrap; gap: 6px; }
.paper-app .pill { display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border: 1px solid var(--spectrum-border-default); background: var(--spectrum-background-base); border-radius: 999px; font-family: inherit; font-size: 13px; color: var(--spectrum-text-secondary); }
.paper-app .pill:hover { background: var(--spectrum-overlay-hover); }
.paper-app .pill[data-active] { background: var(--pp-accent); border-color: var(--pp-accent); color: #fff; }
.paper-app .pill .dotc { width: 9px; height: 9px; border-radius: 3px; flex: none; }
.paper-app .pill-count { font-size: 11px; font-variant-numeric: tabular-nums; color: var(--spectrum-text-tertiary); }
.paper-app .pill[data-active] .pill-count { color: rgba(255,255,255,.82); }
.paper-app .kbd-hint { display: flex; flex-wrap: wrap; gap: 6px 12px; font-size: 11.5px; color: var(--spectrum-text-tertiary); line-height: 1.7; }
.paper-app .kbd-hint .kr { display: inline-flex; align-items: center; gap: 5px; }
.paper-app .kbd-hint kbd { font-family: ui-monospace, Menlo, monospace; font-size: 11px; background: var(--spectrum-background-base); border: 1px solid var(--spectrum-border-default); border-bottom-width: 2px; border-radius: 5px; padding: 1px 6px; }
.paper-app .rail-divider { height: 1px; background: var(--spectrum-border-default); }

.paper-app .toolbar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 4px 28px; background: var(--spectrum-background-base); border-bottom: 1px solid var(--spectrum-border-default); }
.paper-app .tabs { display: flex; gap: 6px; }
.paper-app .tab { position: relative; border: none; background: transparent; font-family: inherit; font-size: 14px; color: var(--spectrum-text-secondary); padding: 12px 4px; display: inline-flex; align-items: center; gap: 7px; }
.paper-app .tab:hover { color: var(--spectrum-text-primary); }
.paper-app .tab[data-active] { color: var(--spectrum-text-primary); font-weight: 600; }
.paper-app .tab[data-active]::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--pp-accent); border-radius: 2px 2px 0 0; }
.paper-app .tab-count { font-size: 11px; font-variant-numeric: tabular-nums; min-width: 18px; padding: 0 5px; height: 17px; display: inline-flex; align-items: center; justify-content: center; background: var(--spectrum-background-layer-2); color: var(--spectrum-text-tertiary); border-radius: 999px; }
.paper-app .tab[data-active] .tab-count { background: var(--pp-accent); color: #fff; }
.paper-app .toolbar-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.paper-app .sel-summary { font-size: 13px; color: var(--spectrum-text-secondary); }
.paper-app .sel-summary strong { color: var(--spectrum-text-primary); }

.paper-app .list { padding: 20px 28px 64px; display: flex; flex-direction: column; gap: 12px; max-width: 1000px; }
.paper-app .card { display: flex; gap: 14px; align-items: flex-start; cursor: pointer; padding: 16px 18px; background: var(--spectrum-gray-50); border: 1px solid var(--spectrum-border-default); border-radius: 14px; transition: border-color .13s, box-shadow .13s, background .13s; }
.paper-app .card:hover { box-shadow: 0 1px 4px var(--spectrum-dropshadow); border-color: var(--spectrum-border-strong); }
.paper-app .card[data-selected] { border-color: var(--pp-accent); box-shadow: 0 0 0 1px var(--pp-accent); }
.paper-app .card[data-applied], .paper-app .card[data-ignored] { background: var(--spectrum-background-layer-1); cursor: default; }
.paper-app .card[data-applied]:hover, .paper-app .card[data-ignored]:hover { box-shadow: none; }
.paper-app .card[data-applied] .card-note, .paper-app .card[data-applied] .diff { opacity: .62; }
.paper-app .card[data-ignored] .card-note, .paper-app .card[data-ignored] .diff { opacity: .5; }
.paper-app .card.is-cursor { border-color: var(--pp-accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--pp-accent) 45%, transparent); }
.paper-app .card-gutter { flex: 0 0 auto; min-width: 30px; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.paper-app .gutter-btn { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; border: 1px solid var(--spectrum-border-default); background: var(--spectrum-background-base); color: var(--spectrum-text-tertiary); }
.paper-app .gutter-btn svg { width: 15px; height: 15px; }
.paper-app .gutter-check[aria-pressed="true"] { background: var(--pp-accent); border-color: var(--pp-accent); color: #fff; }
.paper-app .gutter-ignore:hover { background: var(--spectrum-red-100); border-color: var(--spectrum-red-400); color: var(--spectrum-negative-color); }
.paper-app .gutter-restore { background: var(--spectrum-gray-200); border-color: var(--spectrum-gray-300); color: var(--spectrum-gray-700); }
.paper-app .gutter-restore:hover { background: var(--pp-accent); border-color: var(--pp-accent); color: #fff; }
.paper-app .gutter-tick { width: 28px; height: 28px; border-radius: 50%; background: var(--spectrum-positive-color); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; }
.paper-app .card-main { flex: 1 1 auto; min-width: 0; }
.paper-app .card-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.paper-app .badge { display: inline-flex; align-items: center; height: 21px; padding: 0 8px; border-radius: 5px; font-size: 12px; font-weight: 600; }
.paper-app .badge-conf { background: var(--spectrum-green-100); color: var(--spectrum-green-900); }
.paper-app .badge-conf.mid { background: var(--spectrum-yellow-200, #fbf099); color: var(--spectrum-yellow-1100, #8f7000); }
.paper-app .card-loc { font-size: 12.5px; color: var(--spectrum-text-tertiary); font-variant-numeric: tabular-nums; }
.paper-app .card-chip { margin-left: auto; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px; }
.paper-app .card-chip.applied { color: var(--spectrum-positive-color); background: var(--spectrum-green-100); }
.paper-app .card-chip.ignored { color: var(--spectrum-text-tertiary); background: var(--spectrum-gray-200); }
.paper-app .card-note { margin: 0 0 12px; font-size: 13.5px; line-height: 1.5; color: var(--spectrum-text-secondary); }
.paper-app .src-link { display: inline-flex; align-items: center; gap: 4px; margin-left: 10px; padding: 1px 7px; border-radius: 6px; font-size: 12.5px; font-weight: 600; color: var(--spectrum-informative-color); background: transparent; border: 1px solid transparent; }
.paper-app .src-link:hover { background: var(--spectrum-blue-100); }
.paper-app .src-link svg { width: 13px; height: 13px; }
.paper-app .diff { display: flex; flex-direction: column; gap: 6px; }
.paper-app .diff-line { display: flex; gap: 10px; align-items: baseline; padding: 8px 12px; border-radius: 8px; font-size: 14.5px; line-height: 1.55; }
.paper-app .diff-line.del { background: color-mix(in srgb, var(--spectrum-red-100) 65%, var(--spectrum-gray-50)); }
.paper-app .diff-line.add { background: color-mix(in srgb, var(--spectrum-green-100) 50%, var(--spectrum-gray-50)); }
.paper-app .diff-gutter { flex: 0 0 auto; width: 12px; text-align: center; font-weight: 700; }
.paper-app .diff-line.del .diff-gutter { color: var(--spectrum-red-900); }
.paper-app .diff-line.add .diff-gutter { color: var(--spectrum-green-900); }
.paper-app .diff-text { color: var(--spectrum-text-primary); word-break: break-word; }
.paper-app .diff-chg { border-radius: 3px; padding: 0 2px; font-weight: 600; }
.paper-app .diff-chg.del { background: color-mix(in srgb, var(--spectrum-red-400) 70%, transparent); color: var(--spectrum-red-1000); text-decoration: line-through; }
.paper-app .diff-chg.add { background: color-mix(in srgb, var(--spectrum-green-400) 70%, transparent); color: var(--spectrum-green-1100); }
.paper-app .empty { margin: 48px auto; text-align: center; color: var(--spectrum-text-tertiary); display: flex; flex-direction: column; align-items: center; gap: 6px; }
.paper-app .empty-mark { width: 48px; height: 48px; border-radius: 50%; background: var(--spectrum-green-100); color: var(--spectrum-positive-color); display: flex; align-items: center; justify-content: center; font-size: 22px; }
.paper-app .empty p { margin: 0; font-size: 15px; color: var(--spectrum-text-secondary); font-weight: 600; }

/* 原文弹层 */
.pp-src-pop { position: fixed; z-index: 80; background: var(--spectrum-background-elevated); border: 1px solid var(--spectrum-border-default); border-radius: 14px; box-shadow: 0 12px 40px var(--spectrum-dropshadow); padding: 16px 18px; }
.pp-src-pop-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 11px; margin-bottom: 11px; border-bottom: 1px solid var(--spectrum-border-default); }
.pp-src-file { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; min-width: 0; }
.pp-src-loc { font-size: 12px; color: var(--spectrum-text-tertiary); white-space: nowrap; }
.pp-src-para { margin: 0; font-size: 14.5px; line-height: 1.85; color: var(--spectrum-text-secondary); text-align: justify; }
.pp-src-mark { background: color-mix(in srgb, var(--spectrum-yellow-400) 80%, transparent); border-radius: 3px; padding: 1px 3px; font-weight: 700; }

/* 模式弹窗 + 遮罩 */
.pp-modal-back { position: fixed; inset: 0; background: rgba(0,0,0,.4); display: flex; align-items: center; justify-content: center; z-index: 60; }
.pp-modal { width: 470px; max-width: calc(100vw - 32px); background: var(--spectrum-background-elevated); border-radius: 14px; box-shadow: 0 16px 48px var(--spectrum-dropshadow); padding: 24px; }
.pp-modal h2 { margin: 0 0 4px; font-size: 18px; font-weight: 700; }
.pp-modal .sub { margin: 0 0 18px; font-size: 13px; color: var(--spectrum-text-tertiary); }
.pp-mode-opt { display: flex; gap: 12px; align-items: flex-start; text-align: left; width: 100%; padding: 14px; border: 1px solid var(--spectrum-border-default); border-radius: 8px; background: var(--spectrum-background-base); font-family: inherit; margin-bottom: 10px; }
.pp-mode-opt[data-active] { border-color: var(--pp-accent); background: color-mix(in srgb, var(--pp-accent) 5%, var(--spectrum-background-base)); }
.pp-mode-radio { flex: 0 0 auto; width: 18px; height: 18px; margin-top: 1px; border-radius: 50%; border: 2px solid var(--spectrum-border-strong); position: relative; }
.pp-mode-opt[data-active] .pp-mode-radio { border-color: var(--pp-accent); }
.pp-mode-opt[data-active] .pp-mode-radio::after { content: ''; position: absolute; inset: 3px; border-radius: 50%; background: var(--pp-accent); }
.pp-mode-name { font-size: 14px; font-weight: 600; }
.pp-mode-desc { font-size: 12.5px; color: var(--spectrum-text-tertiary); line-height: 1.5; margin-top: 4px; }
.pp-modal-actions { display: flex; justify-content: flex-end; gap: 10px; }

/* toast */
.pp-toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); background: #1f1f1f; color: #fff; padding: 11px 18px; border-radius: 12px; font-size: 13.5px; box-shadow: 0 8px 24px rgba(0,0,0,.3); z-index: 50; display: flex; align-items: center; gap: 9px; }
.pp-toast svg { width: 16px; height: 16px; color: #3ec178; }
.pp-toast-undo { background: transparent; border: none; color: #5aa3ff; font-family: inherit; font-size: 13.5px; font-weight: 700; }

/* ── 购买页 ── */
.pp-buy-wrap { max-width: 560px; margin: 0 auto; padding: 40px 24px 72px; }
.pp-buy-topbar { height: 60px; display: flex; align-items: center; gap: 10px; padding: 0 26px; background: var(--pp-bg); border-bottom: 1px solid var(--pp-line); }
.pp-buy-head { text-align: center; margin-bottom: 26px; }
.pp-buy-head h1 { font-family: var(--pp-serif); font-size: 30px; font-weight: 700; }
.pp-buy-head p { font-size: 14.5px; color: var(--pp-muted); margin-top: 9px; }
.pp-buy-head b { color: var(--pp-accent); }
.pp-buy-card { background: var(--pp-bg); border: 1px solid var(--pp-line); border-radius: 18px; padding: 28px; box-shadow: 0 18px 48px -32px rgba(0,0,0,.3); }
.pp-bal { display: flex; align-items: center; justify-content: space-between; padding: 13px 16px; background: var(--pp-bg-2); border-radius: 12px; margin-bottom: 22px; font-size: 13.5px; color: var(--pp-muted); font-weight: 600; }
.pp-bal b { color: var(--pp-accent); font-size: 18px; }
.pp-sec-label { font-size: 12px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--pp-faint); margin-bottom: 12px; }
.pp-chips { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 20px; }
.pp-qchip { position: relative; border: 1.5px solid var(--pp-line-2); background: var(--pp-bg); border-radius: 13px; padding: 16px 8px 14px; text-align: center; }
.pp-qchip:hover { border-color: var(--pp-accent); }
.pp-qchip[data-on] { border-color: var(--pp-accent); background: var(--pp-accent-100); }
.pp-qchip .n { font-size: 24px; font-weight: 800; line-height: 1; }
.pp-qchip .u { font-size: 12px; color: var(--pp-muted); margin-top: 5px; }
.pp-qchip .tag { position: absolute; top: -9px; left: 50%; transform: translateX(-50%); font-size: 10px; font-weight: 700; color: #fff; background: var(--pp-pos); padding: 2px 8px; border-radius: 20px; white-space: nowrap; }
.pp-stepper-row { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border: 1px solid var(--pp-line); border-radius: 12px; margin-bottom: 22px; }
.pp-stepper { display: flex; align-items: center; gap: 4px; }
.pp-stepper button { width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--pp-line-2); background: var(--pp-bg); font-size: 19px; font-weight: 600; color: var(--pp-ink-2); }
.pp-stepper button:disabled { opacity: .4; cursor: not-allowed; }
.pp-stepper input { width: 56px; height: 34px; text-align: center; border: none; background: transparent; font-size: 18px; font-weight: 800; }
.pp-total-row { display: flex; align-items: flex-end; justify-content: space-between; padding-top: 18px; margin-top: 4px; border-top: 1px solid var(--pp-line); }
.pp-total-amt { font-size: 34px; font-weight: 800; font-variant-numeric: tabular-nums; }
.pp-total-amt .cur { font-size: 20px; font-weight: 700; }
.pp-pay-btn { width: 100%; height: 52px; border: none; border-radius: 13px; background: var(--pp-accent); color: #fff; font-size: 16px; font-weight: 700; margin-top: 22px; }
.pp-pay-btn:hover { background: var(--pp-accent-700); }
.pp-pay-btn:disabled { opacity: .5; }
.pp-fine { text-align: center; font-size: 12.5px; color: var(--pp-faint); margin-top: 16px; line-height: 1.6; }
.pp-qr { text-align: center; padding: 8px 0 4px; }
.pp-qr img, .pp-qr canvas { width: 220px; height: 220px; border: 1px solid var(--pp-line); border-radius: 12px; }
.pp-qr .qhint { font-size: 13px; color: var(--pp-muted); margin-top: 14px; }
.pp-ok { text-align: center; padding: 10px 0; }
.pp-ok .mk { width: 72px; height: 72px; margin: 0 auto 18px; border-radius: 50%; background: var(--pp-pos-bg); color: var(--pp-pos); display: grid; place-items: center; }
.pp-ok .mk svg { width: 36px; height: 36px; }
.pp-ok h2 { font-size: 23px; font-weight: 800; }
.pp-ok p { font-size: 15px; color: var(--pp-muted); margin-top: 10px; }
.pp-ok p b { color: var(--pp-ink); }

/* ── 新版工作台：侧栏状态药丸 + 主区单篇状态面板（移植自 论文审校-主页.html 新版）── */
.pp-fc-status { margin-top: 7px; display: flex; align-items: center; gap: 8px; }
.pp-file-card.active { background: var(--pp-bg-2); border-color: var(--pp-line-2); }
.pp-s-pill { display: inline-flex; align-items: center; gap: 6px; height: 22px; padding: 0 9px; border-radius: 6px; font-size: 11.5px; font-weight: 700; }
.pp-s-pill svg { width: 11px; height: 11px; }
.pp-s-spin { width: 10px; height: 10px; border: 2px solid currentColor; border-top-color: transparent; border-radius: 50%; animation: pp-spin .7s linear infinite; opacity: .85; }
.pp-s-pill.up, .pp-s-pill.rev { background: var(--pp-accent-100); color: var(--pp-accent-700); }
.pp-s-pill.wait { background: var(--pp-warn-bg); color: var(--pp-warn); }
.pp-s-pill.done { background: var(--pp-pos-bg); color: var(--pp-pos); }

.pp-bar.shimmer { position: relative; }
.pp-bar.shimmer::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(255,255,255,.55), transparent); transform: translateX(-100%); animation: pp-shim 1.5s ease-in-out infinite; }
@keyframes pp-shim { to { transform: translateX(100%); } }

.pp-sp-card { margin-top: 30px; background: var(--pp-bg); border: 1px solid var(--pp-line); border-radius: 18px; padding: 26px 28px; box-shadow: 0 18px 50px -34px rgba(0,0,0,.28); }
.pp-sp-card.proc { border-color: var(--spectrum-blue-300, #9ec5ff); }
.pp-sp-head { display: flex; align-items: center; gap: 14px; padding-bottom: 20px; border-bottom: 1px solid var(--pp-line); }
.pp-sp-fic { width: 46px; height: 46px; border-radius: 11px; background: var(--pp-accent); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 15px; flex: none; }
.pp-sp-meta { min-width: 0; flex: 1; }
.pp-sp-name { font-size: 16px; font-weight: 700; line-height: 1.35; word-break: break-all; }
.pp-sp-size { font-size: 12.5px; color: var(--pp-faint); margin-top: 3px; }
.pp-sp-badge { flex: none; height: 26px; padding: 0 12px; border-radius: 7px; font-size: 12.5px; font-weight: 700; display: inline-flex; align-items: center; }
.pp-sp-badge.up, .pp-sp-badge.rev { background: var(--pp-accent-100); color: var(--pp-accent-700); }
.pp-sp-badge.wait { background: var(--pp-warn-bg); color: var(--pp-warn); }
.pp-sp-badge.done { background: var(--pp-pos-bg); color: var(--pp-pos); }
.pp-sp-body { padding-top: 20px; }
.pp-sp-row { display: flex; align-items: center; justify-content: space-between; font-size: 14px; font-weight: 600; color: var(--pp-ink-2); margin-bottom: 10px; }
.pp-sp-row span:first-child { display: inline-flex; align-items: center; gap: 8px; }
.pp-sp-pct { color: var(--pp-faint); font-variant-numeric: tabular-nums; }
.pp-sp-ok { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 700; color: var(--pp-pos); margin-bottom: 16px; }
.pp-sp-ok svg { width: 16px; height: 16px; }
.pp-sp-ok.big { font-size: 17px; } .pp-sp-ok.big b { color: var(--pp-ink); }
.pp-sp-note { font-size: 13.5px; color: var(--pp-muted); margin: 2px 0 18px; }
.pp-sp-note b { color: var(--pp-accent); }
.pp-sp-warn { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; color: var(--pp-warn); background: var(--pp-warn-bg); border: 1px solid var(--spectrum-orange-300, #ffcf95); border-radius: 10px; padding: 12px 14px; margin: 2px 0 18px; line-height: 1.5; }
.pp-sp-warn svg { width: 17px; height: 17px; flex: none; margin-top: 1px; }
.pp-sp-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.pp-sp-foot { display: flex; gap: 11px; flex-wrap: wrap; }
.pp-sp-btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; height: 44px; padding: 0 22px; border-radius: 11px; font-size: 15px; font-weight: 700; border: 1px solid transparent; }
.pp-sp-btn.accent { background: var(--pp-accent); color: #fff; } .pp-sp-btn.accent:hover { background: var(--pp-accent-700); }
.pp-sp-btn.ghost { background: var(--pp-bg); color: var(--pp-ink-2); border-color: var(--pp-line-2); } .pp-sp-btn.ghost:hover { background: var(--pp-bg-2); }

/* ── 购买页：微信好友转账 · 人工到账 ── */
.pp-pay-contact { display: flex; gap: 18px; align-items: flex-start; padding: 16px; border: 1px solid var(--pp-line); border-radius: 14px; background: var(--pp-bg-2); margin-bottom: 18px; }
.pp-pay-qr { flex: 0 0 auto; text-align: center; }
.pp-pay-qr-img { width: 132px; height: 132px; border: 1px solid var(--pp-line); border-radius: 10px; background: #fff; object-fit: contain; }
.pp-pay-qr-fallback { width: 132px; height: 132px; border: 1px dashed var(--pp-line-2); border-radius: 10px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; color: var(--pp-muted); font-size: 12.5px; background: #fff; }
.pp-pay-wxid { margin-top: 8px; font-size: 12.5px; color: var(--pp-muted); }
.pp-pay-wxid b { color: var(--pp-ink); }
.pp-pay-steps { margin: 0; padding-left: 20px; font-size: 13.5px; line-height: 1.85; color: var(--pp-ink-2); }
.pp-pay-steps b { color: var(--pp-accent); }
@media (max-width: 560px) { .pp-pay-contact { flex-direction: column; align-items: center; } }

/* ── 审校中：三步 stepper（点+连接线+勾选+当前步脉冲，当前步内动条与百分比）── */
.pp-rv-prog { margin-bottom: 2px; }                  /* 已去掉下方按钮，无需大间距 */
.pp-rv-prog .pp-bar { height: 8px; border-radius: 4px; }
.pp-rv-prog-hint { margin-top: 11px; font-size: 12.5px; color: var(--pp-faint); }
.pp-steps { display: flex; align-items: center; margin-bottom: 16px; }
.pp-ps { display: flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 600; color: var(--pp-faint); flex: none; }
.pp-ps .dot { width: 22px; height: 22px; border-radius: 50%; background: var(--pp-bg-2); border: 2px solid var(--pp-line-2); display: grid; place-items: center; font-size: 11px; font-weight: 700; color: var(--pp-faint); position: relative; }
.pp-ps .dot svg { width: 12px; height: 12px; }
.pp-ps.done { color: var(--pp-pos); }
.pp-ps.done .dot { background: var(--pp-pos); border-color: var(--pp-pos); color: #fff; }
.pp-ps.active { color: var(--pp-accent); }
.pp-ps.active .dot { border-color: var(--pp-accent); background: var(--pp-bg); color: var(--pp-accent); }
.pp-ps.active .dot::after { content: ''; position: absolute; inset: -3px; border-radius: 50%; border: 2px solid var(--pp-accent); animation: pp-pulse 1.3s cubic-bezier(.45,0,.4,1) infinite; }
@keyframes pp-pulse { 0% { opacity: .7; transform: scale(1); } 100% { opacity: 0; transform: scale(1.7); } }
.pp-ps-ln { flex: 1; height: 2px; background: var(--pp-line-2); margin: 0 9px; border-radius: 2px; }
.pp-ps-ln.done { background: var(--pp-pos); }
.pp-step-row { display: flex; align-items: center; justify-content: space-between; font-size: 14px; font-weight: 600; color: var(--pp-ink-2); margin-bottom: 10px; }
.pp-step-row span:first-child { display: inline-flex; align-items: center; gap: 8px; }

.pp-sp-btn.pp-del { color: var(--spectrum-negative-color); margin-left: auto; }
.pp-sp-btn.pp-del:hover { background: var(--spectrum-red-100); border-color: var(--spectrum-red-400); }