/* ---------- 我的: account chip, auth dialog, dashboard, profile, saved, mistakes, account ---------- */
.input.boxed, .select.boxed { border-color: var(--line-strong); background: var(--bg-raise); height: 34px; }
.input.boxed:hover, .select.boxed:hover { border-color: var(--ink); background: var(--bg-raise); }

/* account chip (sidebar + topbar) */
.acct { display: flex; align-items: center; gap: 9px; width: 100%; height: 36px; padding: 0 8px; border-radius: var(--radius); color: var(--text); font-weight: 500; font-size: 13px; transition: background .15s; position: relative; }
.acct:hover { background: var(--bg-hover); color: var(--ink); }
.acct-av { width: 24px; height: 24px; flex: none; display: grid; place-items: center; border-radius: 50%; background: var(--ink); color: var(--bg); font: 600 11.5px var(--mono); }
.acct-av svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.7; }
button.acct .acct-av { background: transparent; color: var(--muted); box-shadow: inset 0 0 0 1px var(--line-strong); }
.acct-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.acct-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); margin-left: auto; }
.top-acct .acct { width: auto; height: 32px; padding: 0 6px; }
.top-acct .acct-name { max-width: 110px; }
@media (max-width: 720px) { .top-acct .acct-name { display: none; } }

/* toast */
.me-toast { position: fixed; left: 50%; bottom: 28px; z-index: 300; transform: translate(-50%, 16px); opacity: 0; pointer-events: none; padding: 10px 16px; border-radius: 8px; background: var(--ink); color: var(--bg); font-size: 13px; box-shadow: var(--shadow); transition: opacity .25s, transform .35s var(--ease); max-width: calc(100vw - 32px); }
.me-toast.on { opacity: 1; transform: translate(-50%, 0); }

/* auth dialog */
.me-auth { width: min(420px, calc(100vw - 32px)); padding: 0; border: 0; border-radius: 14px; background: var(--bg-raise); color: var(--text); box-shadow: var(--shadow); }
.me-auth::backdrop { background: rgba(8, 8, 10, .45); backdrop-filter: blur(3px); }
.au { display: flex; flex-direction: column; gap: 12px; padding: 22px 24px 22px; }
.au-head { display: flex; align-items: center; justify-content: space-between; }
.au-head .kicker { margin: 0; }
.au h2 { margin: 0; font: 400 32px/1.1 var(--serif); color: var(--ink); }
.au-lede { margin: 0 0 4px; font-size: 13px; line-height: 1.65; color: var(--muted); }
.au-lede b { color: var(--ink); }
.au-f { display: flex; flex-direction: column; gap: 6px; }
.au-f > span { display: flex; justify-content: space-between; align-items: baseline; font-size: 12px; color: var(--muted); font-weight: 500; }
.au-f > span em { font-style: normal; font-size: 11px; color: var(--faint); font-weight: 400; }
.au-f > span a { font-weight: 400; color: var(--muted); text-decoration: underline; text-underline-offset: 2px; }
.au-f .input { height: 40px; border-color: var(--line-strong); background: var(--bg); font-size: 14px; }
.au-err { margin: 0; min-height: 18px; font-size: 12.5px; color: var(--signal); }
.au-err.ok { color: var(--green); }
.au-go { height: 42px; justify-content: center; font-size: 14px; }
.au-alt { margin: 2px 0 0; text-align: center; font-size: 12.5px; color: var(--muted); }
.au-alt a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; }
.au-note { margin: 0; padding: 8px 10px; border-radius: 6px; background: var(--orange-bg); color: var(--orange); font-size: 12px; }

/* page chrome */
.me-tabs { margin-bottom: 22px; }
.me-banner { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding: 12px 16px; margin-bottom: 22px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-raise); }
.me-banner > svg { width: 20px; height: 20px; flex: none; fill: none; stroke: var(--muted); stroke-width: 1.6; }
.me-banner > div { flex: 1 1 260px; font-size: 12.5px; color: var(--muted); line-height: 1.55; }
.me-banner > div b { display: block; color: var(--ink); font-size: 13px; font-weight: 600; }
.me-banner.warn { border-color: color-mix(in oklab, var(--orange) 35%, transparent); background: var(--orange-bg); }
.me-banner.warn > svg { stroke: var(--orange); }

/* onboarding */
.me-onboard { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 36px; padding: 34px; border: 1px solid var(--line); border-radius: 14px; background: var(--bg-raise); position: relative; overflow: hidden; }
.me-onboard::after { content: ""; position: absolute; right: -60px; top: -60px; width: 220px; height: 220px; border-radius: 50%; background: radial-gradient(circle, var(--signal-soft), transparent 70%); pointer-events: none; }
.me-onboard h2 { margin: 6px 0 12px; font: 400 36px/1.12 var(--serif); color: var(--ink); }
.me-onboard p { margin: 0 0 22px; color: var(--muted); line-height: 1.75; font-size: 13.5px; }
.me-steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; justify-content: center; }
.me-steps li { display: flex; gap: 14px; align-items: baseline; padding: 13px 0; border-bottom: 1px dashed var(--line-strong); color: var(--text); font-size: 14px; }
.me-steps li b { font: 500 11px var(--mono); color: var(--signal); }

/* profile strip */
.me-strip { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px 24px; align-items: center; padding: 16px 18px; margin-bottom: 26px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-raise); }
.ms-subj { display: flex; flex-wrap: wrap; gap: 6px; grid-column: 1 / -1; }
.ms-chip { display: inline-flex; align-items: center; gap: 8px; height: 30px; padding: 0 4px 0 10px; border-radius: 999px; border: 1px solid var(--line-strong); font-size: 12.5px; color: var(--text); transition: border-color .2s; }
.ms-chip:hover { border-color: var(--ink); }
.ms-chip code { font: 500 10.5px var(--mono); color: var(--faint); }
.ms-chip b { min-width: 24px; height: 22px; padding: 0 6px; display: grid; place-items: center; border-radius: 999px; background: var(--ink); color: var(--bg); font: 600 11px var(--mono); }
.ms-facts { display: flex; flex-wrap: wrap; gap: 6px 22px; }
.ms-facts span { display: flex; flex-direction: column; font: 500 13px var(--mono); color: var(--ink); }
.ms-facts small { font: 10px var(--mono); letter-spacing: .08em; color: var(--faint); text-transform: uppercase; }
.ms-go { display: flex; gap: 6px; flex-wrap: wrap; }

/* dashboard grid */
.me-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 34px; }
.me-sec { min-width: 0; }
.me-sec.wide { grid-column: 1 / -1; }
.me-sec .db-head { margin-bottom: 10px; }
.me-sec a.db-meta:hover { color: var(--ink); }

.me-subjects { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; }
.me-subj { display: flex; flex-direction: column; gap: 8px; padding: 14px 14px 10px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-raise); transition: border-color .2s, transform .3s var(--ease); }
.me-subj:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.me-subj header { display: flex; align-items: center; gap: 8px; }
.me-subj header code { font: 600 20px var(--mono); color: var(--ink); letter-spacing: -.02em; }
.me-subj header code.edx { color: var(--purple); }
.me-subj header span { font: 10px var(--mono); color: var(--faint); letter-spacing: .06em; }
.me-subj header .g { margin-left: auto; min-width: 30px; height: 30px; display: grid; place-items: center; border-radius: 8px; background: var(--signal-soft); color: var(--signal); font: 600 14px var(--mono); }
.me-subj .nm { font-size: 13.5px; font-weight: 500; color: var(--ink); line-height: 1.35; }
.me-subj .nm:hover { text-decoration: underline; text-underline-offset: 3px; }
.me-subj .nx { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-top: 1px dashed var(--line-strong); }
.me-subj .nx b { font: 400 34px/1 var(--serif); color: var(--ink); }
.me-subj .nx span { font-size: 11px; color: var(--muted); line-height: 1.45; }
.me-subj .nx .none { color: var(--faint); }
.me-subj .more { margin: -6px 0 0; font: 10.5px var(--mono); color: var(--faint); }
.me-subj nav { display: flex; gap: 2px; margin: 0 -6px; flex-wrap: wrap; }
.me-subj nav a { padding: 4px 6px; border-radius: 5px; font-size: 12px; color: var(--muted); }
.me-subj nav a:hover { background: var(--bg-hover); color: var(--ink); }
.me-subj nav em { font-style: normal; font: 500 10px var(--mono); padding: 0 5px; border-radius: 9px; background: var(--signal); color: #fff; }

/* list rows (shortlist, favourites) */
.me-list { display: flex; flex-direction: column; }
.me-row { display: flex; align-items: center; gap: 10px; padding: 9px 2px; border-bottom: 1px solid var(--line); }
.me-row .r-main { flex: 1; min-width: 0; display: flex; align-items: baseline; gap: 10px; }
.me-row .r-main code { flex: none; min-width: 34px; font: 500 10.5px var(--mono); color: var(--faint); }
.me-row .r-main span { min-width: 0; font-size: 13px; color: var(--ink); line-height: 1.4; }
.me-row .r-main small { display: block; font-size: 11.5px; color: var(--muted); margin-top: 1px; }
.me-row .r-main:hover span { text-decoration: underline; text-underline-offset: 3px; }
.me-row .icon-btn { width: 26px; height: 26px; opacity: .5; }
.me-row:hover .icon-btn { opacity: 1; }
.me-list.big .me-row { padding: 12px 4px; }

.me-agenda { list-style: none; margin: 0; padding: 0; }
.me-agenda li { display: grid; grid-template-columns: 52px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 9px 2px; border-bottom: 1px solid var(--line); }
.me-agenda .d { font: 10px var(--mono); color: var(--faint); }
.me-agenda .d b { font: 400 24px/1 var(--serif); color: var(--ink); margin-right: 2px; }
.me-agenda .t { font-size: 13px; color: var(--ink); min-width: 0; line-height: 1.4; }
.me-agenda .t small { display: block; color: var(--muted); font-size: 11.5px; }
.me-agenda em { font-style: normal; font: 500 9.5px var(--mono); letter-spacing: .06em; padding: 2px 6px; border-radius: 4px; color: var(--muted); background: var(--tag-bg); }
.me-agenda li.exam em { color: var(--signal); background: var(--signal-soft); }
.me-agenda li.ucas em { color: var(--blue); background: var(--blue-bg); }
.me-agenda li.us em { color: var(--purple); background: var(--purple-bg); }
.me-agenda li.todo em { color: var(--green); background: var(--green-bg); }
.me-sec .bars.compact { margin-bottom: 12px; }
.me-sec [data-review] svg, .me-filter [data-review] svg { fill: none; stroke: currentColor; stroke-width: 1.7; }

/* filters */
.me-filter { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 22px; }
.me-filter .chip-btn { display: inline-flex; align-items: center; gap: 7px; }
.me-filter .chip-btn.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.me-filter .chip-btn .mono { font-size: 10.5px; opacity: .7; }
.me-filter-sp { flex: 1; }
.me-filter .fseg button { flex-direction: row; padding: 6px 12px; font-size: 12.5px; }

/* mistakes */
.me-topic { margin-bottom: 26px; }
.me-topic h3 { display: flex; align-items: baseline; gap: 10px; margin: 0 0 8px; font: 400 22px var(--serif); color: var(--ink); }
.me-topic h3 .mono { font-size: 11px; color: var(--faint); }
.me-mis { padding: 12px 14px; margin-bottom: 8px; border: 1px solid var(--line); border-left: 3px solid var(--signal); border-radius: 8px; background: var(--bg-raise); }
.me-mis.solved { border-left-color: var(--green); opacity: .78; }
.mm-top { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.mm-top a { font-size: 13.5px; color: var(--ink); font-weight: 500; }
.mm-top a:hover { text-decoration: underline; text-underline-offset: 3px; }
.mm-top code { font: 500 10.5px var(--mono); color: var(--faint); margin-right: 8px; }
.mm-note { width: 100%; margin: 8px 0; padding: 7px 9px; resize: none; overflow: hidden; border: 1px dashed var(--line-strong); border-radius: 6px; background: transparent; color: var(--text); font: 13px/1.55 var(--sans); outline: none; }
.mm-note:focus { border-style: solid; border-color: var(--ink); background: var(--bg); }
.mm-act { display: flex; gap: 6px; }
.mm-act svg { fill: none; stroke: currentColor; stroke-width: 1.8; }

/* profile editor */
.me-form { display: flex; flex-direction: column; gap: 18px; max-width: 920px; }
.pf-sec { margin: 0; padding: 20px 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-raise); min-width: 0; }
.pf-sec legend { display: flex; align-items: baseline; gap: 10px; padding: 0 6px; margin-left: -6px; font: 400 22px var(--serif); color: var(--ink); }
.pf-sec legend b { font: 500 11px var(--mono); color: var(--signal); }
.pf-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; padding: 8px 0; }
.pf-k { width: 72px; font-size: 12.5px; color: var(--muted); font-weight: 500; }
.pf-row .fseg { min-width: 300px; }
.pf-row .fseg button { flex-direction: row; padding: 8px 12px; font-size: 12.5px; }
.pf-mini { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.pf-mini .input, .pf-mini .select { width: 96px; }
.pf-add { display: flex; gap: 8px; margin-bottom: 12px; }
.pf-add .input { flex: 1; min-width: 0; }
.pf-subjects { display: flex; flex-direction: column; gap: 6px; }
.pf-subj { display: grid; grid-template-columns: 64px minmax(0, 1fr) 110px auto 28px; gap: 10px; align-items: center; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; }
.pf-subj code { font: 600 14px var(--mono); color: var(--ink); }
.pf-subj code.edx { color: var(--purple); }
.pf-subj .nm { font-size: 13px; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pf-grades { display: flex; gap: 2px; padding: 2px; border-radius: 7px; background: var(--bg-hover); }
.pf-grades button { min-width: 30px; height: 26px; padding: 0 6px; border-radius: 5px; font: 500 12px var(--mono); color: var(--muted); }
.pf-grades button:hover { color: var(--ink); }
.pf-grades button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }
.pf-empty { margin: 0; padding: 16px; border: 1px dashed var(--line-strong); border-radius: 8px; color: var(--faint); font-size: 13px; text-align: center; }
.pf-disc { margin-top: 10px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.pf-save { position: sticky; bottom: 0; z-index: 5; display: flex; align-items: center; gap: 8px; padding: 14px 0; background: linear-gradient(to top, var(--bg) 70%, transparent); }
.pf-sum { flex: 1; font-size: 12.5px; color: var(--muted); }
.pf-sum b { color: var(--ink); font-family: var(--mono); }

/* account */
.me-acct { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; max-width: 980px; }
.me-card { padding: 20px 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-raise); display: flex; flex-direction: column; gap: 12px; }
.me-card h3 { margin: 0; font: 400 22px var(--serif); color: var(--ink); display: flex; align-items: center; gap: 8px; }
.me-card h3 svg { width: 22px; height: 22px; fill: none; stroke: var(--green); stroke-width: 2; }
.me-card p { margin: 0; font-size: 13px; line-height: 1.65; color: var(--muted); }
.me-card .kv { display: flex; gap: 12px; align-items: baseline; font-size: 13px; }
.me-card .kv span { width: 60px; color: var(--muted); flex: none; }
.me-card .kv b { font-weight: 500; color: var(--ink); display: flex; flex-wrap: wrap; align-items: center; gap: 6px; word-break: break-all; }
.me-card .actions { display: flex; gap: 8px; flex-wrap: wrap; margin: 0; }
.me-card label.btn { cursor: pointer; }
.me-card.danger { border-color: color-mix(in oklab, var(--signal) 30%, transparent); }
.me-card.danger h3 { color: var(--signal); }
.me-card.center { max-width: 460px; margin: 30px auto 0; align-items: flex-start; }
.pf-inline { display: flex; gap: 8px; flex-wrap: wrap; }
.pf-inline .input { flex: 1; min-width: 160px; }
.pf-stack { display: flex; flex-direction: column; gap: 8px; }
.pf-stack .btn { align-self: flex-start; }
.me-card.center.pf-stack { align-items: stretch; }

/* buttons embedded in question panels */
.me-fav svg, .me-misbtn svg { fill: none; stroke: currentColor; stroke-width: 1.7; }
.me-fav[aria-pressed="true"] { border-color: var(--signal); color: var(--signal); }
.me-fav[aria-pressed="true"] svg { fill: var(--signal); }
.me-misbtn[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: var(--bg); }

@media (max-width: 900px) {
  .me-grid, .me-acct, .me-onboard { grid-template-columns: minmax(0, 1fr); }
  .me-onboard { padding: 24px 20px; }
  .me-strip { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .pf-subj { grid-template-columns: 54px minmax(0, 1fr) 28px; }
  .pf-subj .select { grid-column: 1 / 3; }
  .pf-subj .pf-grades { grid-column: 1 / -1; flex-wrap: wrap; }
  .pf-subj [data-rm] { grid-row: 1; grid-column: 3; }
  .pf-row .fseg { min-width: 0; width: 100%; }
  .pf-k { width: 100%; }
  .pf-mini .input, .pf-mini .select { width: 84px; }
  .pf-sec { padding: 16px; }
  .me-filter-sp { display: none; }
}

/* cross-links on other pages */
.me-favmini { margin-left: auto; width: 26px; height: 26px; flex: none; display: grid; place-items: center; border-radius: 6px; color: var(--faint); transition: color .2s, background .2s; }
.me-favmini svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.me-favmini:hover { color: var(--ink); background: var(--bg-hover); }
.me-favmini[aria-pressed="true"] { color: var(--signal); }
.me-favmini[aria-pressed="true"] svg { fill: var(--signal); }
.sh-me { display: flex; flex-direction: column; gap: 10px; }
.sh-me .me-mine { align-self: flex-start; }
.sh-me .me-mine svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.sh-me .me-mine[aria-pressed="true"] { border-color: var(--signal); color: var(--signal); }
.sh-me .me-mine[aria-pressed="true"] svg { fill: var(--signal); }
.sh-paths { display: flex; flex-direction: column; gap: 6px; }
.sh-paths > .mono { font-size: 10px; letter-spacing: .1em; color: var(--faint); }
.sh-paths .tag small { font-size: 10px; opacity: .7; margin-left: 2px; }
.level-fav { margin: 10px 0 4px; }
.en-banner { margin: 0 0 18px; }
.en-banner:empty { display: none; }
.en-banner .me-banner, #uni-check .me-banner { margin-bottom: 0; }
#uni-check { margin: 18px 0 4px; }
#uni-check:empty { display: none; }
.me-banner.score { border-color: color-mix(in oklab, var(--green) 35%, transparent); background: var(--green-bg); }
.me-banner.score > svg { stroke: var(--green); }
/* thresholds: raw mark -> grade */
.gt-mine { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 14px 24px; align-items: center; padding: 14px 16px; margin: 0 0 16px; border: 1px dashed var(--line-strong); border-radius: 10px; }
.gt-mine label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--muted); font-weight: 500; }
.gt-mine .input { width: 120px; font: 500 16px var(--mono); }
.gt-mine-out { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; min-width: 0; }
.gt-mine-big { display: flex; align-items: center; gap: 12px; }
.gt-mine-big b { font: 400 48px/1 var(--serif); color: var(--signal); }
.gt-mine-big span { font-size: 12px; color: var(--muted); line-height: 1.5; }
.gt-mine-row { display: flex; flex-wrap: wrap; gap: 4px; }
.gt-mine-row span { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 4px 8px; border-radius: 6px; background: var(--bg-hover); }
.gt-mine-row small { font: 9.5px var(--mono); color: var(--faint); white-space: nowrap; }
.gt-mine-row b { font: 600 13px var(--mono); color: var(--ink); }
.gt-mine-row b.diff { color: var(--orange); }
@media (max-width: 640px) { .gt-mine { grid-template-columns: minmax(0, 1fr); } }
.tt-mine { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 4px; margin-left: 10px; }
.tt-mine .chip-btn { height: 24px; font: 500 11.5px var(--mono); }

/* ---------- 文书与材料 (#/abroad/docs) ---------- */
.dc-tabs { display: flex; gap: 22px; margin: 22px 0 22px; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; }
.dc-tabs a { padding: 10px 0; color: var(--muted); font-weight: 500; font-size: 13.5px; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.dc-tabs a:hover { color: var(--ink); }
.dc-tabs a[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--signal); }
.dc-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 30px; align-items: start; }
.dc-main { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.dc-side { position: sticky; top: 76px; display: flex; flex-direction: column; gap: 12px; }
.dc-card { padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-raise); display: flex; flex-direction: column; gap: 10px; }
.dc-card > .mono { font-size: 10px; letter-spacing: .12em; color: var(--signal); }
.dc-card h3 { margin: 0; font: 400 22px var(--serif); color: var(--ink); }
.dc-card ul, .dc-card ol { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; line-height: 1.6; color: var(--text); }
.dc-card p { margin: 0; font-size: 12.5px; line-height: 1.6; color: var(--muted); }
.dc-card b { color: var(--ink); }
.dc-card .actions { display: flex; gap: 6px; margin: 0; }
.dc-advice { padding: 14px 16px; border-radius: 12px; background: var(--signal-soft); }
.dc-advice .mono { font-size: 10px; letter-spacing: .08em; color: var(--signal); }
.dc-advice ul { margin: 8px 0 0; padding-left: 18px; font-size: 12.5px; line-height: 1.6; color: var(--text); display: flex; flex-direction: column; gap: 6px; }
.dc-total { display: flex; align-items: center; gap: 14px; position: sticky; top: 56px; z-index: 3; padding: 10px 0; background: var(--bg); }
.dc-total span { font-size: 12.5px; color: var(--muted); white-space: nowrap; }
.dc-total b { font: 500 15px var(--mono); color: var(--ink); }
.dc-total em { font-style: normal; color: var(--signal); }
.dc-bar { position: relative; flex: 1; height: 6px; border-radius: 3px; background: var(--bg-active); overflow: hidden; }
.dc-bar i { position: absolute; inset: 0 auto 0 0; background: var(--ink); border-radius: 3px; transition: width .3s var(--ease); }
.dc-bar.ok i { background: var(--green); }
.dc-bar.over i { background: var(--signal); }
.dc-bar s { position: absolute; top: -2px; bottom: -2px; width: 1px; background: var(--muted); }
.dc-q { padding: 18px 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-raise); }
.dc-q header { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 12px; align-items: baseline; margin-bottom: 10px; }
.dc-q header > b { font: 500 11px var(--mono); color: var(--signal); }
.dc-q h3 { margin: 0; font: 400 21px/1.3 var(--serif); color: var(--ink); }
.dc-q header small { display: block; margin-top: 2px; font-size: 11.5px; color: var(--faint); }
.dc-count { font: 500 11.5px var(--mono); color: var(--faint); white-space: nowrap; }
.dc-count.low { color: var(--orange); }
.dc-count.ok { color: var(--green); }
.dc-text { width: 100%; min-height: 160px; padding: 12px 14px; resize: vertical; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--bg); color: var(--ink); font: 14.5px/1.75 var(--sans); outline: none; transition: border-color .2s, box-shadow .2s; }
.dc-text:focus { border-color: var(--ink); box-shadow: 0 0 0 3px var(--signal-soft); }
.dc-text.big { min-height: 420px; }
.dc-tips { margin: 10px 0 0; padding-left: 18px; font-size: 12px; line-height: 1.6; color: var(--muted); display: flex; flex-direction: column; gap: 3px; }
.dc-prompts { display: flex; flex-direction: column; gap: 4px; }
.dc-prompt { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; text-align: left; font-size: 13px; line-height: 1.55; color: var(--text); transition: border-color .2s, background .2s; }
.dc-prompt b { font: 500 12px var(--mono); color: var(--faint); }
.dc-prompt:hover { border-color: var(--line-strong); }
.dc-prompt[aria-pressed="true"] { border-color: var(--ink); background: var(--bg-raise); color: var(--ink); }
.dc-prompt[aria-pressed="true"] b { color: var(--signal); }
.dc-list-head { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; margin-bottom: 14px; }
.dc-list-head .fseg button { flex-direction: row; gap: 8px; padding: 8px 14px; font-size: 13px; }
.dc-prog { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 220px; }
.dc-prog span { font-size: 12.5px; color: var(--muted); white-space: nowrap; }
.dc-prog b { font: 500 14px var(--mono); color: var(--ink); }
.dc-check { list-style: none; margin: 0; padding: 0; max-width: 900px; }
.dc-check li { display: flex; align-items: center; gap: 14px; padding: 12px 4px; border-bottom: 1px solid var(--line); }
.dc-check label { flex: 1; display: flex; align-items: baseline; gap: 12px; cursor: pointer; min-width: 0; }
.dc-check input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--ink); transform: translateY(2px); flex: none; }
.dc-check .n { font: 10.5px var(--mono); color: var(--faint); }
.dc-check .t { font-size: 13.5px; color: var(--ink); line-height: 1.45; }
.dc-check .t small { display: block; font-size: 11.5px; color: var(--muted); }
.dc-check li.done .t { color: var(--faint); text-decoration: line-through; text-decoration-color: var(--line-strong); }
.dc-due { width: 150px; flex: none; font: 12px var(--mono); }
.dc-refs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-bottom: 16px; }
.dc-refs .btn { align-self: flex-start; }
@media (max-width: 1100px) { .dc-layout { grid-template-columns: minmax(0, 1fr); } .dc-side { position: static; } .dc-refs { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 640px) { .dc-check li { flex-wrap: wrap; } .dc-due { margin-left: 44px; } .dc-q { padding: 14px; } .dc-q header { grid-template-columns: auto minmax(0, 1fr); } .dc-count { grid-column: 2; } }

/* ---------- 数据来源 (#/about) ---------- */
.side-about { padding: 0 8px; font-size: 11.5px; color: var(--faint); }
.side-about:hover { color: var(--ink); }
.ab-src-sec { margin-bottom: 30px; }
.ab-src { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.ab-src-row { display: grid; grid-template-columns: minmax(150px, .9fr) minmax(0, 1.2fr) minmax(0, 1.3fr) minmax(0, 1.3fr); gap: 18px; padding: 14px 4px; border-bottom: 1px solid var(--line); align-items: start; }
.ab-src-row .k { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.ab-src-row .k b { font-size: 13.5px; color: var(--ink); font-weight: 600; }
.ab-src-row .n { font: 500 12.5px/1.6 var(--mono); color: var(--ink); word-break: break-word; }
.ab-src-row .s { font-size: 12.5px; color: var(--text); line-height: 1.55; }
.ab-src-row .s small { display: block; margin-top: 3px; font: 10.5px var(--mono); color: var(--faint); }
.ab-src-row .c { font-size: 12px; color: var(--muted); line-height: 1.55; }
.ab-src-row.est { background: linear-gradient(90deg, var(--orange-bg), transparent 30%); }
@media (max-width: 900px) { .ab-src-row { grid-template-columns: minmax(0, 1fr); gap: 6px; } }
.pf-disc button { flex-direction: column; align-items: flex-start; justify-content: center; gap: 1px; }
.pf-disc button b { white-space: normal; }
.pf-disc button small { flex: initial; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- terms gate (full screen, cannot be dismissed) ---------- */
html.gated, html.gated body { overflow: hidden; }
html.gated .shell { filter: blur(6px); pointer-events: none; user-select: none; }
.tg { position: fixed; inset: 0; z-index: 400; display: grid; place-items: center; padding: 24px; background: color-mix(in oklab, var(--bg) 70%, transparent); backdrop-filter: blur(4px); animation: tg-in .35s var(--ease); }
@keyframes tg-in { from { opacity: 0; } }
.tg-card { position: relative; width: min(820px, 100%); max-height: calc(calc(100vh / var(--zoom, 1)) - 48px); display: flex; flex-direction: column; gap: 14px; padding: 26px 28px 20px; border-radius: 16px; background: var(--bg-raise); box-shadow: var(--shadow); border: 1px solid var(--line); }
.tg-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.tg-head .kicker { margin: 0 0 8px; }
.tg-head h2 { margin: 0; font: 400 32px/1.15 var(--serif); color: var(--ink); }
.tg-ver { font: 10.5px var(--mono); color: var(--faint); white-space: nowrap; padding-top: 4px; }
.tg-sum { margin: 0; padding: 12px 16px 12px 32px; border-radius: 10px; background: var(--signal-soft); font-size: 13px; line-height: 1.6; color: var(--text); display: flex; flex-direction: column; gap: 3px; }
.tg-sum b { color: var(--ink); }
.tg-tabs { display: flex; gap: 18px; align-items: baseline; border-bottom: 1px solid var(--line); }
.tg-tabs button { padding: 8px 0; margin-bottom: -1px; font-weight: 500; font-size: 13.5px; color: var(--muted); border-bottom: 2px solid transparent; }
.tg-tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--signal); }
.tg-tabs button.nudge:not([aria-selected="true"]) { color: var(--signal); animation: tg-pulse 1.2s ease-in-out 3; }
@keyframes tg-pulse { 50% { opacity: .4; } }
.tg-progress { margin-left: auto; font: 11px var(--mono); color: var(--faint); }
.tg-doc { flex: 1; min-height: 160px; overflow-y: auto; padding: 4px 6px 4px 0; outline: none; font-size: 13.5px; line-height: 1.75; color: var(--text); overscroll-behavior: contain; }
.tg-doc h3, .terms-doc h3 { margin: 18px 0 6px; font: 600 14.5px var(--sans); color: var(--ink); }
.tg-doc section:first-child h3 { margin-top: 6px; }
.tg-doc p, .terms-doc p { margin: 0 0 8px; }
.tg-doc b, .terms-doc b { color: var(--ink); }
.tg-doc a, .terms-doc a { text-decoration: underline; text-underline-offset: 2px; }
.tg-check { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: 10px; cursor: pointer; font-size: 13.5px; color: var(--ink); }
.tg-check input { width: 17px; height: 17px; margin: 2px 0 0; accent-color: var(--ink); flex: none; }
.tg-check small { display: block; font-size: 11.5px; color: var(--orange); margin-top: 2px; }
.tg-check:has(input:disabled) { opacity: .75; cursor: default; }
.tg-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.tg-actions .btn.primary { margin-left: auto; height: 40px; padding: 0 20px; }
.tg-link { font-size: 12.5px; color: var(--muted); text-decoration: underline; text-underline-offset: 2px; }
.tg-lang { position: absolute; top: 18px; right: 120px; }
.tg-no { max-width: 520px; gap: 16px; }
.tg-no h2 { margin: 0; font: 400 30px/1.2 var(--serif); color: var(--ink); }
.tg-no p { margin: 0; font-size: 13.5px; line-height: 1.7; color: var(--muted); }
.tg-no .btn.primary { margin-left: 0; }
.au-terms { margin: -4px 0 0; font-size: 11.5px; line-height: 1.6; color: var(--muted); }
.au-terms a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; }
.side-links { display: flex; flex-wrap: wrap; gap: 2px 10px; }
@media (max-width: 640px) {
  .tg { padding: 0; }
  .tg-card { max-height: calc(100vh / var(--zoom, 1)); height: 100%; border-radius: 0; padding: 18px 16px 14px; }
  .tg-head { flex-direction: column; gap: 4px; }
  .tg-head h2 { font-size: 25px; }
  .tg-lang { position: static; align-self: flex-start; order: -1; }
  .tg-sum { font-size: 12px; padding-left: 26px; max-height: calc(26vh / var(--zoom, 1)); overflow: auto; }
  .tg-actions .btn.primary { width: 100%; justify-content: center; margin-left: 0; order: -1; }
}

/* terms page */
.terms-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 36px; align-items: start; }
.terms-doc { max-width: 760px; font-size: 14px; line-height: 1.85; color: var(--text); }
.terms-side { position: sticky; top: 76px; display: flex; flex-direction: column; gap: 12px; }
@media (max-width: 1000px) { .terms-layout { grid-template-columns: minmax(0, 1fr); } .terms-side { position: static; order: -1; } }

/* ---------- admin ---------- */
.ad-kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; margin: 0 0 28px; }
.ad-kpis.small { grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0; }
.ad-kpi { padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-raise); display: flex; flex-direction: column; gap: 4px; }
.ad-kpi small { font: 10.5px var(--mono); letter-spacing: .06em; color: var(--faint); }
.ad-kpi b { font: 400 36px/1 var(--serif); color: var(--ink); }
.ad-kpi span { font-size: 11.5px; color: var(--muted); }
.ad-sec { margin-bottom: 28px; min-width: 0; }
.ad-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.ad-chart { width: 100%; height: auto; display: block; }
.ad-chart .grid { stroke: var(--line); }
.ad-chart text { font: 10px var(--mono); fill: var(--faint); }
.ad-chart polyline { fill: none; stroke-width: 2; stroke-linejoin: round; }
.ad-chart .s1 { stroke: var(--signal); fill: var(--signal); } .ad-chart polyline.s1 { fill: none; }
.ad-chart .s2 { stroke: var(--blue); fill: var(--blue); } .ad-chart polyline.s2 { fill: none; }
.ad-chart .s3 { stroke: var(--green); fill: var(--green); } .ad-chart polyline.s3 { fill: none; }
.ad-chart .pt rect { fill: transparent; }
.ad-chart .pt:hover rect { fill: var(--bg-hover); }
.ad-legend { display: flex; gap: 16px; font-size: 12px; color: var(--muted); margin-top: 4px; }
.ad-legend i { display: inline-block; width: 10px; height: 3px; border-radius: 2px; margin-right: 6px; vertical-align: middle; }
.ad-legend .s1 i { background: var(--signal); } .ad-legend .s2 i { background: var(--blue); } .ad-legend .s3 i { background: var(--green); }
.ad-uv { font-style: normal; font: 10.5px var(--mono); color: var(--faint); margin-left: 6px; white-space: nowrap; }
.ad-hours { display: grid; grid-template-columns: repeat(24, minmax(0, 1fr)); gap: 2px; align-items: end; height: 110px; }
.ad-hours span { height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 3px; }
.ad-hours i { width: 100%; min-height: 1px; border-radius: 2px 2px 0 0; background: var(--signal); opacity: .8; }
.ad-hours small { font: 9px var(--mono); color: var(--faint); height: 10px; }
.ad-users td, .ad-users th { white-space: nowrap; }
.db td.bad { color: var(--signal); }
.ad-pager { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
.ad-pager .db-meta { margin-right: auto; }
.ad-user-head { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: flex-start; margin-bottom: 8px; }
.ad-user-head h2 { margin: 0 0 6px; font: 400 30px var(--serif); color: var(--ink); word-break: break-all; }
.ad-user-head p { margin: 0 0 4px; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.ad-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.kvs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
@media (max-width: 900px) { .ad-two { grid-template-columns: minmax(0, 1fr); } }
.tg-lang { top: 18px; right: 28px; }
.tg-ver { padding-top: 34px; }
@media (max-width: 640px) { .tg-ver { padding-top: 0; } }
.ad-chart rect, .ad-chart text, .ad-chart circle { stroke: none; }
.ad-chart text { font-weight: 400; }
.ad-chart line.grid { stroke: var(--line); stroke-width: 1; fill: none; }
.ad-user-head { margin-top: 26px; }
.ad-sec .bar-name .ad-uv { margin-left: 8px; }
.admin .ab-sub + div, .admin .ab-sub + .ad-kpis { margin-top: 22px; }
.side-nav a[hidden] { display: none; }

/* ---------- 汇率 (#/abroad/fx) ---------- */
.fx-conv { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 14px 18px; align-items: end; margin: 26px 0 34px; padding: 24px 26px 18px; border: 1px solid var(--line); border-radius: 16px; background: var(--bg-raise); }
.fx-side { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.fx-k { font: 10.5px var(--mono); letter-spacing: .1em; color: var(--faint); }
.fx-amt { width: 100%; min-width: 0; border: 0; border-bottom: 1px solid var(--line-strong); background: transparent; padding: 2px 0 6px; font: 400 46px/1.1 var(--serif); color: var(--ink); outline: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block; }
.fx-amt:focus { border-bottom-color: var(--signal); }
.fx-amt.out { color: var(--signal); border-bottom-style: dashed; }
.fx-cur { width: 100%; }
.fx-swap { width: 44px; height: 44px; margin-bottom: 52px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line-strong); color: var(--ink); transition: transform .35s var(--ease), border-color .2s; }
.fx-swap:hover { border-color: var(--ink); transform: rotate(180deg); }
.fx-swap svg { width: 18px; height: 18px; }
.fx-line { grid-column: 1 / -1; margin: 4px 0 0; font: 13px var(--mono); color: var(--muted); }
.fx-line b { color: var(--ink); font-weight: 500; }
.fx-quick { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 4px; }
.fx-quick .db-meta { margin-right: 6px; }
.fx-quick .chip-btn { height: 26px; font: 500 11.5px var(--mono); }
.fx-quick .chip-btn[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.fx-sec { margin-bottom: 36px; }
.fx-range button { flex-direction: row; padding: 6px 12px; font-size: 12.5px; }
.fx-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-bottom: 10px; }
.fx-stats .ad-kpi b { font-size: 32px; }
.fx-stats .ad-kpi b.up { color: var(--signal); }
.fx-stats .ad-kpi b.down { color: var(--green); }
.fx-verdict { grid-column: 1 / -1; margin: 4px 0 0; font-size: 13.5px; color: var(--text); }
.fx-verdict b { color: var(--ink); }
.fx-verdict small { display: block; margin-top: 2px; font-size: 11.5px; color: var(--faint); }
.fx-chart { position: relative; min-height: 120px; transition: opacity .2s; }
.fx-chart.loading { opacity: .4; }
.fx-svg { width: 100%; height: auto; display: block; stroke: none; overflow: visible; }
.fx-svg .grid { stroke: var(--line); stroke-width: 1; vector-effect: non-scaling-stroke; }
.fx-svg text { font: 10px var(--mono); fill: var(--faint); stroke: none; }
.fx-svg .line { fill: none; stroke: var(--signal); stroke-width: 2; vector-effect: non-scaling-stroke; }
.fx-svg .area { fill: var(--signal-soft); stroke: none; }
.fx-svg .avg { stroke: var(--muted); stroke-dasharray: 4 4; stroke-width: 1; vector-effect: non-scaling-stroke; }
.fx-svg text.avg { fill: var(--muted); stroke: none; }
.fx-svg .cursor { stroke: var(--line-strong); stroke-width: 1; vector-effect: non-scaling-stroke; }
.fx-svg .dot { fill: var(--signal); stroke: var(--bg); stroke-width: 2; }
.fx-tip { position: absolute; top: 4px; padding: 6px 9px; border-radius: 6px; background: var(--ink); color: var(--bg); font: 11px var(--mono); pointer-events: none; display: flex; flex-direction: column; }
.fx-tip b { font-size: 14px; }
.fx-budget { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 28px; align-items: start; }
.fx-bform { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 14px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-raise); }
.fx-bform label { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--muted); font-weight: 500; min-width: 0; }
.fx-bform .input, .fx-bform .select { width: 100%; font-family: var(--mono); }
.fx-bnote { grid-column: 1 / -1; margin: 2px 0 0; font-size: 11.5px; color: var(--faint); line-height: 1.5; }
.fx-bout { display: flex; flex-direction: column; gap: 14px; }
.fx-big { display: flex; flex-direction: column; gap: 2px; }
.fx-big small { font: 10.5px var(--mono); letter-spacing: .1em; color: var(--faint); }
.fx-big b { font: 400 50px/1.05 var(--serif); color: var(--ink); }
.fx-big span { font: 13px var(--mono); color: var(--muted); }
.fx-big.total { padding-top: 14px; border-top: 1px dashed var(--line-strong); }
.fx-big.total b { color: var(--signal); }
.fx-stack { display: flex; height: 10px; border-radius: 5px; overflow: hidden; background: var(--bg-active); }
.fx-stack i { height: 100%; }
.fx-stack .c0, .fx-legend .c0 i { background: var(--ink); } .fx-stack .c1, .fx-legend .c1 i { background: var(--signal); } .fx-stack .c2, .fx-legend .c2 i { background: var(--blue); }
.fx-legend { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 12px; color: var(--muted); }
.fx-legend i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 6px; }
.fx-swing { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; padding: 10px 12px; border-radius: 8px; background: var(--bg-hover); font-size: 12.5px; color: var(--muted); }
.fx-swing b { font: 500 15px var(--mono); color: var(--ink); }
.fx-quota { margin: 0; padding: 10px 12px; border-radius: 8px; background: var(--orange-bg); color: var(--text); font-size: 12px; line-height: 1.6; }
.fx-row .fx-yuan { font: 500 13px var(--mono); color: var(--ink); white-space: nowrap; }
@media (max-width: 900px) {
  .fx-conv { grid-template-columns: minmax(0, 1fr); padding: 18px; }
  .fx-swap { margin: -4px auto; transform: rotate(90deg); }
  .fx-swap:hover { transform: rotate(270deg); }
  .fx-amt { font-size: 38px; }
  .fx-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fx-budget { grid-template-columns: minmax(0, 1fr); }
  .fx-row { flex-wrap: wrap; }
  .fx-row .fx-yuan { margin-left: 44px; }
}
.fx-tip[hidden] { display: none; }
@media (max-width: 900px) { .fx-row .r-main { flex: 1 1 100%; } .fx-row .fx-yuan { margin-left: 44px; flex: 1; } }

/* ---------- 我的 · study: today, plan, practice, log, find, the record dialog ---------- */
.me-head { margin-bottom: 22px; }
.me-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.me-head-row .title { margin: 4px 0 0; }
.me-head-row .lede { margin: 8px 0 0; max-width: 680px; }
.me-head-row .lede code { font: 12px var(--mono); padding: 1px 5px; border-radius: 4px; background: var(--tag-bg); color: var(--ink); }
.me-head-side { display: flex; gap: 8px; flex-wrap: wrap; }

.st-tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-bottom: 22px; }
.st-tile { display: flex; flex-direction: column; gap: 4px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-raise); min-width: 0; }
.st-tile > span { font-size: 12px; color: var(--muted); }
.st-tile > b { font: 400 34px/1 var(--serif); color: var(--ink); }
.st-tile > b small { font: 12px var(--sans); color: var(--muted); margin-left: 3px; }
.st-tile > small { font-size: 11.5px; color: var(--faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.st-tile > small a { color: var(--signal); }
@media (max-width: 760px) { .st-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.st-recs { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 10px; }
.st-recc { display: flex; flex-direction: column; gap: 6px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); }
.st-recc header { display: flex; justify-content: space-between; gap: 8px; font-size: 11.5px; color: var(--muted); }
.st-recc header code { font: 500 11px var(--mono); color: var(--signal); }
.st-recc .nm { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; color: var(--ink); }
.st-recc .nm b { font: 600 15px var(--mono); }
.st-recc .nm span { font-size: 13px; color: var(--text); }
.st-recc .nm:hover { text-decoration: underline; text-underline-offset: 3px; }
.st-recc p { margin: 0; font-size: 12.5px; color: var(--text); min-height: 18px; }
.st-recc nav { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 6px; }
.st-recc nav .btn { flex: 1 1 auto; justify-content: center; white-space: nowrap; min-width: 0; }
.st-recc nav .btn.primary { flex-basis: 100%; }

/* grade pill: one letter, coloured by band */
.st-grade { display: inline-grid; place-items: center; min-width: 30px; height: 26px; padding: 0 6px; border-radius: 6px; font: 600 13px var(--mono); background: var(--tag-bg); color: var(--ink); flex: none; }
.st-grade sup { font-size: 9px; margin-left: 1px; color: var(--muted); }
.st-grade.g-As, .st-grade.g-A { background: var(--green-bg); color: var(--green); }
.st-grade.g-B, .st-grade.g-C { background: var(--blue-bg); color: var(--blue); }
.st-grade.g-D, .st-grade.g-E { background: var(--orange-bg); color: var(--orange); }
.st-grade.g-U, .st-grade.g-F, .st-grade.g-G { background: var(--signal-soft); color: var(--signal); }
.st-arow .r-main { background: none; border: 0; padding: 0; text-align: left; font: inherit; color: inherit; cursor: pointer; }
.st-rec.done { border-color: color-mix(in oklab, var(--green) 45%, transparent); color: var(--green); background: var(--green-bg); }

/* the record dialog */
.st-mode { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.st-mode button { display: flex; flex-direction: column; align-items: flex-start; gap: 3px; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--bg); color: var(--text); text-align: left; cursor: pointer; transition: border-color .15s, background .15s; }
.st-mode button b { font-size: 13.5px; color: var(--ink); font-weight: 600; }
.st-mode button small { font-size: 11.5px; color: var(--muted); line-height: 1.4; }
.st-mode button:hover { border-color: var(--ink); }
.st-mode button[aria-checked="true"] { border-color: var(--ink); background: var(--ink); }
.st-mode button[aria-checked="true"] b { color: var(--bg); }
.st-mode button[aria-checked="true"] small { color: color-mix(in oklab, var(--bg) 72%, transparent); }
.st-pick .select:disabled { opacity: .6; }
.st-dlg { width: min(520px, calc(100vw - 32px)); }
.au h2.st-paper { font-size: 24px; }
.st-pick-row { display: grid; grid-template-columns: 1fr 1fr 1.6fr; gap: 10px; }
.st-fields { display: grid; grid-template-columns: minmax(150px, 1.5fr) repeat(auto-fit, minmax(80px, 1fr)); gap: 10px; }
@media (max-width: 520px) { .st-pick-row, .st-fields { grid-template-columns: 1fr 1fr; } }
.st-pick { display: flex; flex-direction: column; gap: 10px; }
.st-pick .db-meta { margin: 0; min-height: 16px; }
.st-grade-out { display: flex; align-items: center; gap: 12px; min-height: 44px; padding: 10px 12px; border-radius: 8px; background: var(--bg); border: 1px dashed var(--line-strong); }
.st-grade-out .st-grade { min-width: 44px; height: 40px; font-size: 18px; }
.st-grade-out > span:not(.db-meta) { display: flex; flex-direction: column; gap: 3px; font-size: 13px; color: var(--text); }
.st-grade-out small { font-size: 11.5px; color: var(--muted); }
.st-actions { display: flex; gap: 8px; align-items: center; }
.st-actions .sp { flex: 1; }
.st-hist { border-top: 1px solid var(--line); padding-top: 10px; }
.st-hist .mono { margin: 0 0 6px; font-size: 11px; color: var(--muted); }
.st-hrow { display: grid; grid-template-columns: 96px 1fr auto auto; gap: 10px; align-items: center; padding: 4px 0; font-size: 13px; }
.st-hrow .link { background: none; border: 0; color: var(--muted); text-decoration: underline; cursor: pointer; font-size: 12px; }

/* exam plan */
.pl-rows { display: flex; flex-direction: column; }
.pl-row { display: grid; grid-template-columns: minmax(160px, 220px) 1fr; gap: 8px 18px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.pl-row:last-child { border-bottom: 0; }
.pl-sub { display: flex; align-items: center; gap: 10px; min-width: 0; }
.pl-sub code { font: 500 11px var(--mono); padding: 3px 6px; border-radius: 4px; background: var(--tag-bg); color: var(--ink); }
.pl-sub code.edx { color: var(--purple); background: var(--purple-bg); }
.pl-sub b { font-weight: 500; color: var(--ink); font-size: 14px; }
.pl-series { display: flex; gap: 8px; flex-wrap: wrap; }
.pl-cell { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; min-width: 120px; padding: 8px 12px; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--bg-raise); color: var(--text); cursor: pointer; transition: border-color .15s, background .15s; text-align: left; }
.pl-cell b { font-size: 13px; font-weight: 600; color: var(--ink); }
.pl-cell small { font-size: 11px; color: var(--faint); }
.pl-cell:hover { border-color: var(--ink); }
.pl-cell[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); }
.pl-cell[aria-pressed="true"] b { color: var(--bg); }
.pl-cell[aria-pressed="true"] small { color: color-mix(in oklab, var(--bg) 70%, transparent); }
.pl-comps { grid-column: 2; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.pl-comps .mono, .pr-comps .mono { font-size: 10.5px; color: var(--faint); margin-right: 4px; }
.pl-comps small, .pr-comps small { color: var(--muted); font-size: 11px; }
@media (max-width: 720px) { .pl-row { grid-template-columns: 1fr; } .pl-comps { grid-column: 1; } }
.pl-day { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px dashed var(--line-strong); }
.pl-date { display: flex; flex-direction: column; }
.pl-date b { font: 400 30px/1 var(--serif); color: var(--ink); }
.pl-date span { font-size: 11px; color: var(--faint); }
.pl-date small { font-size: 12px; color: var(--muted); margin-top: 4px; }
.pl-day.pending .pl-date b { color: var(--faint); }
.pl-exams { display: flex; flex-direction: column; gap: 6px; }
.pl-exam { display: grid; grid-template-columns: auto 1fr auto auto; gap: 12px; align-items: center; padding: 8px 12px; border-radius: 8px; background: var(--bg-raise); border: 1px solid var(--line); }
.pl-exam code { font: 500 12px var(--mono); color: var(--ink); }
.pl-exam > span { font-size: 13.5px; color: var(--ink); min-width: 0; }
.pl-exam > span small { display: block; font-size: 11.5px; color: var(--muted); }
.pl-exam em { font: normal 11.5px var(--mono); color: var(--muted); }
.pl-exam.clash { border-color: color-mix(in oklab, var(--signal) 45%, transparent); }
@media (max-width: 620px) { .pl-day { grid-template-columns: 1fr; } .pl-exam { grid-template-columns: auto 1fr; } }

/* practice grid */
.pr-bar { display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center; margin: 4px 0 18px; }
.pr-prog { display: flex; align-items: baseline; gap: 6px; font-size: 13px; color: var(--muted); position: relative; padding-bottom: 8px; min-width: 150px; }
.pr-prog b { font: 400 28px/1 var(--serif); color: var(--ink); }
.pr-prog i { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; border-radius: 3px; background: linear-gradient(90deg, var(--green) var(--p), var(--line-strong) var(--p)); }
.pr-comps { display: flex; flex-wrap: wrap; gap: 6px; flex: 1 1 320px; }
.pr-year { padding: 12px 0; border-top: 1px solid var(--line); }
.pr-year h3 { margin: 0 0 8px; font: 400 22px var(--serif); color: var(--ink); }
.pr-cols { display: grid; gap: 14px; }
.pr-col { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.pr-cells { display: flex; flex-wrap: wrap; gap: 5px; }
.pr-cell { position: relative; display: inline-flex; align-items: center; gap: 5px; height: 30px; padding: 0 9px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--bg-raise); cursor: pointer; transition: border-color .15s, transform .15s var(--ease); }
.pr-cell b { font: 500 12px var(--mono); color: var(--ink); }
.pr-cell span { font: 600 11px var(--mono); color: var(--green); }
.pr-cell sup { font-size: 9px; color: var(--muted); }
.pr-cell:hover { border-color: var(--ink); transform: translateY(-1px); }
.pr-cell.done { background: var(--green-bg); border-color: color-mix(in oklab, var(--green) 40%, transparent); }

/* done marks and component names on the subject pages */
.paper-chip.done { border-color: color-mix(in oklab, var(--green) 45%, transparent); background: var(--green-bg); position: relative; }
.paper-chip.done::after { content: attr(data-done); position: absolute; top: -7px; right: -6px; padding: 0 4px; border-radius: 8px; background: var(--green); color: var(--bg); font: 600 9.5px/14px var(--mono); }
.paper-chip.on.done { background: var(--ink); border-color: var(--ink); }
.comp-legend .old { color: var(--faint); }
.comp-legend .old small { margin-left: 6px; font-size: 11px; }
.paper-book { display: block; margin-top: 4px; font: 400 .5em/1.2 var(--sans); color: var(--muted); }
.comp-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: baseline; padding: 10px 14px; margin-bottom: 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg-raise); font-size: 12.5px; color: var(--text); }
.comp-legend .mono { font-size: 10.5px; color: var(--faint); }
.comp-legend b { font: 600 11.5px var(--mono); color: var(--ink); margin-right: 6px; }

/* log heatmap */
.lg-heat { overflow-x: auto; padding-bottom: 4px; }
.lg-months { display: grid; grid-template-columns: repeat(26, 14px); gap: 3px; font-size: 10px; color: var(--faint); height: 14px; min-width: max-content; }
.lg-months span { white-space: nowrap; }
.lg-grid { display: grid; grid-template-rows: repeat(7, 14px); grid-auto-flow: column; grid-auto-columns: 14px; gap: 3px; min-width: max-content; }
.lg-grid > * { width: 14px; height: 14px; border-radius: 3px; border: 0; padding: 0; background: var(--tag-bg); cursor: pointer; }
.lg-grid > i.fut { background: transparent; cursor: default; }
.lg-grid .lv1 { background: color-mix(in oklab, var(--green) 30%, transparent); }
.lg-grid .lv2 { background: color-mix(in oklab, var(--green) 55%, transparent); }
.lg-grid .lv3 { background: color-mix(in oklab, var(--green) 78%, transparent); }
.lg-grid .lv4 { background: var(--green); }
.lg-grid .today { box-shadow: inset 0 0 0 1.5px var(--ink); }
.lg-grid .on { box-shadow: 0 0 0 2px var(--signal); }
.lg-day { margin-top: 18px; }
.lg-day h3 { display: flex; align-items: baseline; gap: 10px; margin: 0 0 8px; font: 400 20px var(--serif); color: var(--ink); }
.lg-day h3 small { font: 11.5px var(--mono); color: var(--faint); }

/* quick find */
.fd-pick { display: grid; grid-template-columns: minmax(220px, 2fr) minmax(110px, 1fr) auto minmax(180px, 1.4fr); gap: 12px; align-items: end; margin-bottom: 12px; }
.fd-f { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.fd-f > span { font-size: 12px; color: var(--muted); font-weight: 500; }
.fd-f .select, .fd-f .input { width: 100%; height: 38px; }
.fd-f .fseg { height: 38px; }
.fd-text .input { font-family: var(--mono); }
.fd-comps { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.fd-comps .mono { font-size: 10.5px; color: var(--faint); margin-right: 4px; }
.fd-comps small { color: var(--muted); font-size: 11px; }
@media (max-width: 860px) { .fd-pick { grid-template-columns: 1fr 1fr; } .fd-sub, .fd-text { grid-column: 1 / -1; } }
.fd-box { margin-bottom: 12px; }
.fd-q { width: 100%; height: 52px; padding: 0 16px; font: 500 18px var(--mono); border: 1px solid var(--line-strong); border-radius: 10px; background: var(--bg-raise); }
.fd-q:focus { border-color: var(--ink); outline: none; }
#fd-out { margin-top: 18px; }

/* exam materials: formula lists and data booklets */
.mat-list { display: flex; flex-direction: column; gap: 6px; }
.mat-item { display: flex; flex-direction: column; gap: 2px; padding: 8px 10px; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--bg-raise); color: var(--ink); transition: border-color .15s; }
.mat-item:hover { border-color: var(--ink); }
.mat-item b { font-size: 13px; font-weight: 600; }
.mat-item small { font-size: 11.5px; color: var(--muted); }
.mat-note { margin: 0; font-size: 12.5px; line-height: 1.55; color: var(--text); }
.mat-list.compact { flex-direction: row; flex-wrap: wrap; margin: 4px 0 2px; }
.mat-list.compact .mat-item { padding: 4px 8px; border-radius: 6px; }
.mat-list.compact .mat-item b { font-size: 11.5px; font-weight: 500; }
.pr-mat { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.pr-mat .mono { font-size: 10.5px; color: var(--faint); }
.doc-pill.mat i { background: var(--purple); }

/* ---------- feedback window (bottom-left, every page) ---------- */
.sidebar .side-foot { padding-bottom: 54px; }
.fb { position: fixed; left: 14px; bottom: 14px; z-index: 240; display: flex; flex-direction: column-reverse; align-items: flex-start; gap: 10px; pointer-events: none; }
.fb > * { pointer-events: auto; }
.fb-btn { position: relative; display: inline-flex; align-items: center; gap: 7px; height: 36px; padding: 0 14px 0 11px; border: 1px solid var(--line-strong); border-radius: 18px; background: var(--bg-raise); color: var(--ink); font: 500 12.5px var(--sans); box-shadow: 0 6px 18px -8px rgba(0, 0, 0, .25); cursor: pointer; transition: border-color .15s, transform .15s var(--ease); }
.fb-btn:hover { border-color: var(--ink); transform: translateY(-1px); }
.fb-btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.fb.open .fb-btn { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.fb-dot { position: absolute; top: -3px; right: -3px; width: 10px; height: 10px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 2px var(--bg); }
.fb-win { display: flex; flex-direction: column; width: min(340px, calc(100vw - 28px)); max-height: min(520px, calc(100vh - 90px)); border-radius: 14px; background: var(--bg-raise); box-shadow: var(--shadow); overflow: hidden; }
.fb-win[hidden] { display: none; }
.fb-win header { display: flex; align-items: center; gap: 8px; padding: 12px 10px 10px 16px; border-bottom: 1px solid var(--line); }
.fb-win header b { font-size: 14px; color: var(--ink); }
.fb-sub { flex: 1; font-size: 11.5px; color: var(--faint); }
.fb-body { flex: 1; overflow-y: auto; padding: 12px 14px; display: flex; flex-direction: column; gap: 12px; min-height: 120px; }
.fb-empty { margin: 0; font-size: 12.5px; line-height: 1.65; color: var(--muted); }
.fb-msg { display: flex; flex-direction: column; gap: 6px; }
.fb-me, .fb-re { max-width: 88%; padding: 8px 11px; border-radius: 12px; }
.fb-me { align-self: flex-end; background: var(--ink); color: var(--bg); border-bottom-right-radius: 4px; }
.fb-re { align-self: flex-start; background: var(--signal-soft); color: var(--ink); border-bottom-left-radius: 4px; }
.fb-me small, .fb-re small { display: block; font-size: 10.5px; opacity: .7; margin-bottom: 3px; }
.fb-me p, .fb-re p { margin: 0; font-size: 13px; line-height: 1.55; white-space: pre-wrap; word-break: break-word; }
.fb-wait { align-self: flex-end; font-size: 11px; color: var(--faint); }
.fb-form { display: flex; flex-direction: column; gap: 8px; padding: 10px 14px 14px; border-top: 1px solid var(--line); }
.fb-form .fseg { align-self: flex-start; }
.fb-form textarea { width: 100%; min-height: 64px; resize: vertical; font: 13px/1.5 var(--sans); padding: 8px 10px; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--bg); }
.fb-row { display: flex; align-items: center; gap: 8px; }
.fb-err { flex: 1; font-size: 12px; color: var(--signal); }
@media print { .fb { display: none; } }

/* ---------- shared resource room ---------- */
.sh-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 10px; }
.sh-bar .input { flex: 1 1 260px; height: 36px; }
.sh-active { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.sh-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; margin-top: 8px; }
.sh-card { display: flex; flex-direction: column; gap: 8px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-raise); color: var(--text); transition: border-color .15s, transform .15s var(--ease); min-width: 0; }
.sh-card:hover { border-color: var(--ink); transform: translateY(-1px); }
.sh-card header { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.sh-kind { font: 600 10.5px var(--mono); padding: 2px 7px; border-radius: 4px; background: var(--tag-bg); color: var(--ink); }
.sh-kind.k-pdf { background: color-mix(in oklab, var(--qp) 14%, transparent); color: var(--qp); }
.sh-kind.k-docx, .sh-kind.k-doc { background: var(--blue-bg); color: var(--blue); }
.sh-kind.k-text { background: var(--green-bg); color: var(--green); }
.sh-subj { font-size: 11.5px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sh-title { font-size: 15px; font-weight: 600; color: var(--ink); line-height: 1.35; overflow-wrap: anywhere; }
.sh-desc { margin: 0; font-size: 12.5px; color: var(--muted); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sh-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.sh-tags > * { font-size: 11.5px; color: var(--signal); padding: 1px 6px; border-radius: 4px; background: var(--signal-soft); cursor: pointer; }
.sh-tags.big > * { font-size: 12.5px; padding: 3px 9px; }
.sh-card footer { display: flex; gap: 10px; margin-top: auto; font-size: 11px; color: var(--faint); flex-wrap: wrap; }
.sh-meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12.5px; color: var(--muted); margin: -8px 0 12px; }
.sh-meta b { color: var(--ink); font-weight: 600; }
.sh-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 16px 0 20px; }
.sh-actions .sp { flex: 1; }
.sh-text { padding: 18px 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-raise); font: 14px/1.75 var(--sans); color: var(--text); white-space: pre-wrap; word-break: break-word; max-height: 70vh; overflow-y: auto; }
.sh-note { margin-top: 18px; }
.sh-form { max-width: 720px; display: flex; flex-direction: column; gap: 16px; }
.sh-drop { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 26px 16px; border: 1.5px dashed var(--line-strong); border-radius: 12px; background: var(--bg-raise); cursor: pointer; text-align: center; transition: border-color .15s, background .15s; }
.sh-drop:hover, .sh-drop.over { border-color: var(--ink); background: var(--bg-hover); }
.sh-drop b { font-size: 14px; color: var(--ink); }
.sh-drop small { font-size: 11.5px; color: var(--muted); }
.sh-file { font: 12.5px var(--mono); color: var(--green); margin-top: 4px; }
.sh-paste { min-height: 220px; font: 13.5px/1.6 var(--sans); }
.sh-tagbox { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; min-height: 38px; padding: 5px 8px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--bg-raise); }
.sh-tag { display: inline-flex; align-items: center; gap: 4px; padding: 2px 4px 2px 8px; border-radius: 4px; background: var(--signal-soft); color: var(--signal); font-size: 12.5px; }
.sh-tag button { border: 0; background: none; color: inherit; cursor: pointer; font-size: 14px; line-height: 1; padding: 0 3px; }
.sh-taginput { flex: 1; min-width: 120px; border: 0; outline: 0; background: none; font: 13px var(--sans); color: var(--ink); }
.sh-suggest { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; margin-top: 6px; }
.sh-suggest small { font-size: 11.5px; color: var(--faint); }
.sh-agree { display: flex; gap: 8px; align-items: flex-start; font-size: 12.5px; color: var(--muted); line-height: 1.5; }
.sh-agree input { margin-top: 3px; }
.sh-progress { height: 4px; border-radius: 4px; background: var(--line); overflow: hidden; }
.sh-progress i { display: block; height: 100%; width: 0; background: var(--green); transition: width .2s; }

/* ---------- admin: feedback and moderation ---------- */
.ad-fb { display: flex; flex-direction: column; gap: 10px; }
.ad-fb-item { padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-raise); }
.ad-fb-item.done { opacity: .75; }
.ad-fb-item header { display: flex; flex-wrap: wrap; gap: 10px; align-items: baseline; font-size: 12px; color: var(--muted); }
.ad-fb-item header b { color: var(--ink); font-size: 13px; }
.ad-fb-item .body { margin: 8px 0; font-size: 13.5px; line-height: 1.6; white-space: pre-wrap; word-break: break-word; color: var(--ink); }
.ad-fb-item .reply { margin: 0 0 8px; padding: 8px 10px; border-radius: 8px; background: var(--signal-soft); font-size: 13px; white-space: pre-wrap; }
.ad-fb-item form { display: flex; gap: 8px; }
.ad-fb-item form input { flex: 1; }

.ad-internal { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 14px; font-size: 12.5px; color: var(--muted); cursor: pointer; }