/* Navodaya Studio — design tokens and components (same look as the original tool). */

.kcard{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow)}
.kcard h3{margin:0 0 4px;font-size:17px}.kcard .meta{font-size:12px;color:var(--muted);font-family:var(--f-mono)}
.kcard pre{white-space:pre-wrap;font-family:var(--f-body);margin:8px 0;line-height:1.6}
.kcard .en{color:var(--muted);font-size:14px;margin:4px 0}
.kcard table{border-collapse:collapse;margin:8px 0;font-size:14px;display:block;overflow-x:auto}
.kcard th,.kcard td{border:1px solid var(--line);padding:4px 10px;text-align:left}.kcard th{background:var(--surface2)}
.kcard .tg{display:inline-block;font-size:12px;background:var(--surface2);border-radius:99px;padding:1px 8px;margin:2px 4px 2px 0}
.kcard .ex{font-size:14px;border-left:3px solid var(--accent);padding-left:10px;margin:6px 0}
.cs{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow)}
.cs h3{margin:0;font-size:17px}.cs .hook{display:inline-block;margin:6px 0 8px;background:var(--hi);color:var(--hi-ink);border-radius:8px;padding:3px 10px;font-weight:600}
.cs h4{margin:10px 0 2px;font-size:12px;color:var(--muted);letter-spacing:.04em}.cs ul{margin:0;padding-left:20px;line-height:1.55}
.cs .warn{color:var(--warn)}.cs .eg{margin-top:8px;border-left:3px solid var(--accent);padding-left:10px;font-size:14px}
.kgloss{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:6px}
.kgloss div{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:14px}.kgloss span{color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:6px}

/* Layout: sticky masthead + tabs; Bank = filter rail beside a stack of question cards; Builder = settings/selection beside a paper preview. */
:root {
  --bg: #F2F4F9; --surface: #FFFFFF; --surface2: #E9EDF6; --ink: #141C33; --muted: #586280;
  --line: #D6DCEA; --accent: #2D4FD6; --accent-ink: #FFFFFF; --hi: #FFE680; --hi-ink: #3A2F00;
  --ok: #1C7A4F; --warn: #A85A00; --shadow: 0 1px 2px rgba(20,28,51,.06);
  --f-display: "Shrikhand", "Noto Sans Gujarati", serif;
  --f-body: "Hind Vadodara", "Noto Sans Gujarati", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0E1322; --surface: #161D33; --surface2: #1E2742; --ink: #E7EBF8; --muted: #9AA5C6;
    --line: #2B3555; --accent: #8CA0FF; --accent-ink: #0E1322; --hi: #5B4A06; --hi-ink: #FFE9A0;
    --ok: #5BD39A; --warn: #F2A650; --shadow: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0E1322; --surface: #161D33; --surface2: #1E2742; --ink: #E7EBF8; --muted: #9AA5C6;
  --line: #2B3555; --accent: #8CA0FF; --accent-ink: #0E1322; --hi: #5B4A06; --hi-ink: #FFE9A0;
  --ok: #5BD39A; --warn: #F2A650; --shadow: none; color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  background: var(--bg); color: var(--ink); font: 400 16px/1.55 var(--f-body);
  padding-block: 0 88px;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 30; background: var(--bg); }
.wrap { max-width: 1180px; margin: 0 auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }

/* masthead */
.mast { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: var(--bg); padding-block: 14px 0; border-bottom: 1px solid var(--line); }
.mast-top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
h1 { margin: 0; font: 400 28px/1.15 var(--f-display); letter-spacing: .2px; text-wrap: balance; }
.sub { color: var(--muted); font-size: 13px; }
.tabs { display: flex; gap: 4px; margin-top: 10px; overflow-x: auto; }
.tab { border: 0; background: none; padding: 10px 14px; border-bottom: 3px solid transparent; font-weight: 600; color: var(--muted); white-space: nowrap; }
.tab[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); }
.tab small { font-weight: 400; color: var(--muted); margin-left: 4px; font-size: 12px; }

/* bank */
.bank { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 20px; padding-top: 18px; align-items: start; }
@media (max-width: 900px) { .bank { grid-template-columns: minmax(0, 1fr); } }
.rail { display: grid; gap: 14px; min-width: 0; }
@media (min-width: 901px) { .rail { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 112px); max-height: calc(100vh - 140px); overflow: auto; padding-right: 4px; } }
#filters.rail { position: static; max-height: none; overflow: visible; padding: 0; }
.search { width: 100%; padding: 11px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.fgroup h3 { margin: 0 0 6px; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 3px 11px; font-size: 13px; line-height: 1.5; text-align: left; }
.chip .n { color: var(--muted); font-family: var(--f-mono); font-size: 11px; margin-left: 5px; }
.chip[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.chip[aria-pressed="true"] .n { color: inherit; opacity: .8; }
.lp-chips { display: grid; gap: 4px; }
.lp-chips .chip { border-radius: 8px; display: flex; justify-content: space-between; gap: 8px; }
.filter-details { border: 1px solid var(--line); border-radius: 12px; background: var(--surface2); padding: 12px; }
.filter-details > summary { font-weight: 600; cursor: pointer; }
@media (min-width: 901px) { .filter-details > summary { display: none; } .filter-details { border: 0; background: none; padding: 0; } }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 12px; }
.toolbar .count { margin-right: auto; font-weight: 600; }
.btn { border: 1px solid var(--line); background: var(--surface); border-radius: 9px; padding: 7px 13px; font-weight: 500; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.btn.ghost { background: none; }
.switch { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; cursor: pointer; }

/* question card */
.list { display: grid; gap: 10px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow); min-width: 0; }
.card.sel { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.meta .qid { font-family: var(--f-mono); color: var(--ink); font-weight: 500; }
.pick { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.pick input { width: 18px; height: 18px; accent-color: var(--accent); }
.dots { display: inline-flex; gap: 3px; }
.dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--line); }
.dots.d1 i:nth-child(-n+1), .dots.d2 i:nth-child(-n+2), .dots.d3 i:nth-child(-n+3) { background: var(--accent); }
.badge { border-radius: 6px; padding: 0 7px; background: var(--surface2); }
.badge.warn { color: var(--warn); background: none; border: 1px solid var(--warn); }
.qtext { margin: 8px 0 0; white-space: pre-line; overflow-wrap: anywhere; font-size: 17px; }
.opts { list-style: none; margin: 10px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 18px; }
@media (max-width: 560px) { .opts { grid-template-columns: minmax(0, 1fr); } }
.opts li { display: flex; gap: 8px; overflow-wrap: anywhere; }
.opts b { font-family: var(--f-mono); font-weight: 500; color: var(--muted); }
.opts li.right { background: var(--hi); color: var(--hi-ink); border-radius: 6px; margin: -1px -6px; padding: 1px 6px; }
.tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.tag { font-size: 12px; color: var(--muted); border: 1px solid var(--line); border-radius: 6px; padding: 0 7px; background: none; }
.tag:hover { color: var(--accent); border-color: var(--accent); }
.reveal { margin-top: 10px; border: 0; background: none; color: var(--accent); font-weight: 600; padding: 2px 0; }
.ans { margin-top: 6px; padding: 8px 12px; border-radius: 8px; background: var(--hi); color: var(--hi-ink); overflow-wrap: anywhere; }
.ans .sol { display: block; font-size: 14px; opacity: .9; }
.empty { padding: 40px 16px; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: 12px; }

/* tray */
.tray { position: fixed; left: 0; right: 0; bottom: 0; z-index: 25; background: var(--surface); border-top: 1px solid var(--line);
  padding: 10px max(16px, env(safe-area-inset-right, 0px)) calc(10px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); }
.tray-in { max-width: 1180px; margin: 0 auto; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.tray-in .msg { margin-right: auto; font-weight: 600; }

/* builder */
.build { display: grid; grid-template-columns: minmax(0, 420px) minmax(0, 1fr); gap: 20px; padding-top: 18px; align-items: start; }
@media (max-width: 900px) { .build { grid-template-columns: minmax(0, 1fr); } }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin-bottom: 14px; min-width: 0; }
.panel h2 { margin: 0 0 10px; font-size: 15px; }
.form { display: grid; gap: 10px; }
.form label { display: grid; gap: 3px; font-size: 13px; color: var(--muted); }
.form input[type=text], .form input[type=number], .form textarea, .form select { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.bp { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 12px; }
.bp label { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--ink); font-size: 13px; }
.bp input { width: 58px; padding: 4px 6px; text-align: right; }
.checks { display: flex; flex-wrap: wrap; gap: 6px 14px; }
.sellist { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.sellist li { display: grid; grid-template-columns: 28px minmax(0, 1fr) auto; gap: 8px; align-items: center; padding: 6px 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); }
.sellist .t { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
.sellist .no { font-family: var(--f-mono); color: var(--muted); font-size: 12px; }
.mini { border: 1px solid var(--line); background: var(--surface); border-radius: 6px; width: 28px; height: 28px; padding: 0; line-height: 1; }
.paper { background: #fff; color: #111; border: 1px solid var(--line); border-radius: 6px; padding: 26px 28px; min-width: 0; box-shadow: 0 2px 14px rgba(0,0,0,.08); }
.paper h2 { margin: 0; text-align: center; font: 700 20px/1.3 var(--f-body); }
.paper .ph { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-size: 14px; border-bottom: 2px solid #111; padding-bottom: 8px; margin: 8px 0 10px; }
.paper .instr { font-size: 14px; margin: 0 0 12px; }
.paper ol { padding-left: 26px; margin: 0; display: grid; gap: 14px; }
.paper li { overflow-wrap: anywhere; }
.paper .pq { white-space: pre-line; }
.paper .po { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px 16px; margin-top: 4px; font-size: 15px; }
@media (max-width: 560px) { .paper .po { grid-template-columns: minmax(0, 1fr); } .paper { padding: 18px 16px; } }
.paper .key { margin-top: 22px; border-top: 2px dashed #111; padding-top: 10px; }
.paper .key h3 { margin: 0 0 6px; font-size: 15px; }
.paper .kg { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 14px; font-family: var(--f-mono); }
.paper .ks { font-size: 13px; margin-top: 6px; }
.dark-paper-note { color: var(--muted); font-size: 12px; margin: 8px 0 0; }

/* data */
.stats { padding-top: 18px; display: grid; gap: 14px; }
.bars { display: grid; gap: 6px; }
.bar { display: grid; grid-template-columns: minmax(0, 220px) minmax(0, 1fr) 38px; gap: 10px; align-items: center; font-size: 13px; }
@media (max-width: 560px) { .bar { grid-template-columns: minmax(0, 1fr) 40px; } .bar .track { grid-column: 1 / -1; } }
.bar .lab { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track { background: var(--surface2); border-radius: 4px; height: 12px; }
.track i { display: block; height: 100%; background: var(--accent); border-radius: 4px; }
.kpis { display: flex; flex-wrap: wrap; gap: 8px 28px; }
.kpis div { display: grid; }
.kpis b { font: 400 26px/1.1 var(--f-display); }
.kpis span { font-size: 12px; color: var(--muted); }
.flags { margin: 0; padding-left: 18px; font-size: 14px; }
.copybox { width: 100%; height: 160px; font: 12px/1.4 var(--f-mono); margin-top: 8px; padding: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); }
.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(76px + env(safe-area-inset-bottom, 0px)); background: var(--ink); color: var(--bg); padding: 8px 16px; border-radius: 999px; z-index: 40; font-size: 14px; max-width: 90vw; }
.hide { display: none !important; }

/* ===== Paper Maker (ટેસ્ટ બનાવો) — uses the existing tokens only ===== */
#v-builder .btn, #pmbar .btn, #pmModal .btn, #settingsBox .btn { min-height: 44px; }
#v-builder .chip, #settingsBox .chip, #pmModal .chip { min-height: 36px; display: inline-flex; align-items: center; }
@media (pointer: coarse) { #v-builder .chip, #settingsBox .chip, #pmModal .chip { min-height: 44px; } }
#v-builder input[type=text], #v-builder input[type=number], #v-builder textarea, #v-builder select, #pmModal input[type=search] { min-height: 44px; }
#v-builder input[type=checkbox] { width: 20px; height: 20px; accent-color: var(--accent); }
.pm-h { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.pm-h h2 { margin: 0; font-size: 15px; }
.pm-note { font-size: 13px; color: var(--muted); margin: 8px 0 0; line-height: 1.6; }
.pm-warn { color: var(--warn); }
.pm-presets { display: grid; gap: 8px; }
.pm-preset { text-align: left; border: 1px solid var(--line); background: var(--bg); border-radius: 10px; padding: 10px 14px; min-height: 56px; display: grid; gap: 2px; }
.pm-preset:hover { border-color: var(--accent); }
.pm-preset b { font-weight: 600; }
.pm-preset span { font-size: 13px; color: var(--muted); }
.pm-seg { display: flex; flex-wrap: wrap; gap: 6px; }
.pm-sec { border: 1px solid var(--line); border-radius: 12px; background: var(--bg); padding: 12px; display: grid; gap: 10px; margin-bottom: 12px; min-width: 0; }
.pm-sec-top { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: end; }
.pm-grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.pm-grid3 label, .pm-sec label { display: grid; gap: 3px; font-size: 12px; color: var(--muted); }
.pm-sec input[type=text], .pm-sec input[type=number], .pm-sec select { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--ink); }
.pm-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.pm-det { border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; }
.pm-det > summary { cursor: pointer; font-size: 13px; color: var(--muted); min-height: 32px; display: flex; align-items: center; }
.pm-avail { font-size: 12px; color: var(--muted); }
.pm-q { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 8px; padding: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.pm-q .no { font-family: var(--f-mono); color: var(--muted); font-size: 12px; padding-top: 2px; }
.pm-q .t { overflow-wrap: anywhere; font-size: 15px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pm-q .m { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 4px; font-size: 12px; color: var(--muted); }
.pm-q .a { grid-column: 2; display: flex; flex-wrap: wrap; gap: 4px; }
.pm-q .mini { width: 44px; height: 44px; border-radius: 8px; font-size: 16px; }
.pm-list { display: grid; gap: 6px; }
.pill { border: 1px solid var(--line); border-radius: 999px; padding: 0 8px; font-size: 12px; line-height: 1.6; }
.pill.e { color: var(--ok); border-color: var(--ok); }
.pill.m { color: var(--accent); border-color: var(--accent); }
.pill.h { color: var(--warn); border-color: var(--warn); }
.pm-count { font-family: var(--f-mono); font-size: 12px; background: var(--surface2); border-radius: 999px; padding: 1px 10px; }
.pm-sheetwrap { overflow-x: auto; min-width: 0; }
#pmbar .msg { font-size: 14px; }
.modal { position: fixed; inset: 0; z-index: 50; background: rgba(5, 8, 18, .62); display: grid; place-items: center; padding: 16px; }
.modal-in { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; width: min(720px, 100%); max-height: min(86vh, 800px); display: grid; grid-template-rows: auto auto minmax(0, 1fr); overflow: hidden; }
.modal-hd { display: flex; gap: 8px; justify-content: space-between; align-items: center; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.modal-hd h2 { margin: 0; font-size: 16px; }
.modal-tools { padding: 10px 14px; display: grid; gap: 8px; border-bottom: 1px solid var(--line); }
.modal-body { overflow: auto; padding: 10px 14px 14px; display: grid; gap: 8px; align-content: start; }
.pk { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; display: grid; gap: 6px; background: var(--bg); }
.pk[aria-disabled="true"] { opacity: .55; }
.pk .q { overflow-wrap: anywhere; white-space: pre-line; }
.pk .o { font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 4px 14px; }
.sv { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: center; border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; background: var(--bg); }
.sv .n { overflow-wrap: anywhere; font-weight: 500; }
.sv .s { font-size: 12px; color: var(--muted); }

/* ===== the sheet: white paper, used for preview, print and downloads ===== */
.sheet { background: #fff; color: #111; font: 15px/1.65 "Hind Vadodara", "Noto Sans Gujarati", "Noto Sans Devanagari", "Mangal", system-ui, sans-serif; }
.sheet * { box-sizing: border-box; }
.sheet h1 { margin: 0; text-align: center; font-size: 21px; line-height: 1.35; font-weight: 700; }
.sheet .org { text-align: center; font-size: 14px; margin-bottom: 2px; }
.sheet .hd { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 2px 18px; border-top: 1.5px solid #111; border-bottom: 1.5px solid #111; padding: 6px 0; margin: 10px 0; font-size: 14px; }
.sheet .stu { display: flex; gap: 18px; margin: 4px 0 10px; font-size: 14px; }
.sheet .stu span { flex: 1; border-bottom: 1px solid #111; padding-bottom: 16px; }
.sheet .ins { font-size: 14px; margin: 0 0 6px; }
.sheet .ins ul { margin: 2px 0 0; padding-left: 20px; }
.sheet .sh { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-weight: 700; border: 1px solid #111; padding: 3px 8px; margin: 14px 0 8px; break-after: avoid; page-break-after: avoid; font-size: 14px; }
.sheet .q { display: grid; grid-template-columns: 2.4em minmax(0, 1fr); margin: 0 0 10px; break-inside: avoid; page-break-inside: avoid; }
.sheet .q .no { font-weight: 600; }
.sheet .qt { white-space: pre-line; overflow-wrap: anywhere; }
.sheet .op { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px 16px; margin-top: 3px; }
.sheet .op.long { grid-template-columns: minmax(0, 1fr); }
.sheet .op span { overflow-wrap: anywhere; }
.sheet .ln { margin-top: 4px; border-bottom: 1px dotted #111; height: 1.6em; }
.sheet .lb { font-size: 11px; border: 1px solid #555; border-radius: 4px; padding: 0 4px; margin-left: 6px; white-space: nowrap; }
.sheet .omr { break-before: page; page-break-before: always; }
.sheet .omrg { display: grid; grid-auto-flow: column; gap: 4px 22px; margin-top: 10px; justify-content: start; }
.sheet .orow { display: flex; align-items: center; gap: 5px; font-size: 12px; break-inside: avoid; }
.sheet .orow i { width: 2.2em; text-align: right; font-style: normal; font-family: ui-monospace, Menlo, monospace; }
.sheet .bb { width: 19px; height: 19px; border: 1.2px solid #111; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 10px; }
.sheet .keyg { display: flex; flex-wrap: wrap; gap: 4px 18px; font-family: ui-monospace, Menlo, monospace; font-size: 14px; margin: 6px 0; }
.sheet .keyg span { white-space: nowrap; }
.sheet .keys { font-size: 13px; margin: 4px 0; overflow-wrap: anywhere; }
.sheet .ph { border: 1px dashed #777; color: #555; padding: 8px 10px; font-size: 13px; margin: 0 0 10px; }
.sheet .big { text-align: center; font-size: 16px; font-weight: 700; margin: 4px 0 0; }
#pvSheet { padding: 24px 26px; border: 1px solid var(--line); border-radius: 6px; box-shadow: 0 2px 14px rgba(0, 0, 0, .12); min-width: 0; }
@media (max-width: 560px) { #pvSheet { padding: 16px 14px; } .pm-grid3 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
#printRoot { display: none; }

@media print {
  @page { size: A4; margin: 14mm; }
  html, body { background: #fff !important; color: #000 !important; padding: 0 !important; margin: 0 !important; }
  body::before { content: none !important; }
  body > *:not(#printRoot) { display: none !important; }
  #printRoot { display: block !important; }
  #printRoot .sheet { padding: 0; border: 0; box-shadow: none; }
  .noprint { display: none !important; }
}

@media (prefers-reduced-motion: no-preference) { .chip, .btn, .card { transition: border-color .15s, background-color .15s; } }

@page{size:A4;margin:14mm}body{margin:0;background:#e9ecf3;font-family:system-ui,sans-serif}.bar{position:sticky;top:0;background:#fff;border-bottom:1px solid #ccc;padding:10px 16px;display:flex;gap:12px;align-items:center}.bar button{min-height:44px;padding:0 18px;border:0;border-radius:8px;background:#2D4FD6;color:#fff;font-size:15px;font-weight:600;cursor:pointer}
.sheet{max-width:794px;margin:16px auto;padding:14mm}@media print{body{background:#fff}.bar{display:none}.sheet{margin:0;padding:0;max-width:none}}${SHEET_CSS}
/* ===== login ===== */
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px max(16px, env(safe-area-inset-left, 0px)); }
.login-card { width: min(380px, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 24px 22px; display: grid; gap: 14px; }
.login-card h1 { font-size: 26px; }
.login-field { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
.login-field input { min-height: 48px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); font-size: 16px; }
.login-msg { min-height: 1.4em; margin: 0; font-size: 14px; color: var(--warn); }
#login .btn { min-height: 48px; }

/* picture questions */
.sheet .fig { display: block; width: 100%; max-width: 112mm; height: auto; margin-top: 4px; }
.qfig { display: block; width: 100%; max-width: 520px; height: auto; background: #fff; border-radius: 8px; margin: 6px 0; }
.badge.ai { background: transparent; border: 1px dashed var(--muted); color: var(--muted); }