/* Worksheet Studio */
:root {
  --ink: #1d2433;
  --ink-2: #4a5468;
  --muted: #6b7486;
  --line: #e3e0d8;
  --paper: #fbfaf7;
  --card: #ffffff;
  --accent: #1f6f5c;
  --accent-ink: #ffffff;
  --accent-soft: #e4f2ed;
  --danger: #b4372f;
  --warn: #a8640a;
  --l1: #2f7d4f; --l1-bg: #e5f4ea;
  --l2: #2b5fa8; --l2-bg: #e6eefa;
  --l3: #7a3fa0; --l3-bg: #f1e8f7;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(29, 36, 51, .06), 0 2px 8px rgba(29, 36, 51, .04);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 15px/1.5 var(--font); color: var(--ink); background: var(--paper); }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .4em; letter-spacing: -.01em; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.15rem; margin-top: 1.4em; }
h3 { font-size: 1.02rem; }
code { font: .9em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
hr { border: 0; border-top: 1px solid var(--line); margin: 1.2rem 0; }
.muted { color: var(--muted); }
.small { font-size: .86rem; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-top: 24px; padding-bottom: 64px; }

/* top bar */
.topbar { background: var(--ink); color: #fff; }
.topbar-in { display: flex; align-items: center; gap: 20px; min-height: 56px; flex-wrap: wrap; }
.brand { color: #fff; font-weight: 700; text-decoration: none; font-size: 1.05rem; white-space: nowrap; }
.brand .mark { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 7px; background: var(--accent); margin-right: 4px; }
.topbar nav { display: flex; gap: 2px; flex-wrap: wrap; flex: 1; }
.topbar nav a { color: #cfd5e1; text-decoration: none; padding: 6px 10px; border-radius: 7px; font-size: .92rem; }
.topbar nav a:hover, .topbar nav a.on { color: #fff; background: rgba(255, 255, 255, .1); }
.who { display: flex; align-items: center; gap: 10px; font-size: .88rem; color: #cfd5e1; margin: 0; }
.who .linkbtn { color: #fff; }

/* building blocks */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); margin-bottom: 16px; }
.card > h2:first-child, .card > h3:first-child { margin-top: 0; }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.page-head p { margin: 0; }
.crumbs { margin: 0 0 4px; font-size: .88rem; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.grid-2 { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.stack { display: grid; gap: 12px; }
.inline { display: inline; margin: 0; }
.inline-form { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin-top: 12px; }
.inline-form label { display: flex; gap: 8px; align-items: center; }
.tight { padding-left: 1.1em; } .tight li { margin: .3em 0; }

.btn { display: inline-flex; align-items: center; gap: 6px; font: inherit; font-weight: 600; font-size: .92rem; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line); background: #fff; color: var(--ink); text-decoration: none; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: #c9c4b8; background: #f7f5f0; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.small { padding: 5px 10px; font-size: .84rem; }
.btn.block { width: 100%; justify-content: center; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.linkbtn { background: none; border: 0; padding: 0; font: inherit; font-size: .86rem; color: var(--accent); cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }
.linkbtn.danger, .icon.danger { color: var(--danger); }
.icon { background: none; border: 1px solid transparent; border-radius: 6px; width: 30px; height: 30px; cursor: pointer; color: var(--ink-2); font-size: 1rem; }
.icon:hover:not(:disabled) { background: #f2efe8; border-color: var(--line); }
.icon:disabled { opacity: .3; cursor: default; }

label { display: grid; gap: 4px; font-size: .88rem; font-weight: 600; color: var(--ink-2); }
label .muted { font-weight: 400; }
input, select, textarea { font: inherit; font-size: .95rem; color: var(--ink); padding: 8px 10px; border: 1px solid #d6d2c8; border-radius: 8px; background: #fff; width: 100%; min-width: 0; }
textarea { resize: vertical; line-height: 1.45; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
input[type=radio], input[type=checkbox] { width: auto; accent-color: var(--accent); }
label.check { display: flex; align-items: center; gap: 8px; font-weight: 500; }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; display: flex; gap: 16px; flex-wrap: wrap; }
legend { font-size: .86rem; font-weight: 600; color: var(--ink-2); padding: 0 4px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.span-2 { grid-column: span 2; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; border: 1px solid; font-size: .93rem; }
.flash.ok { background: #e8f5ee; border-color: #b9dfc9; color: #1d5a3a; }
.flash.error { background: #fbeceb; border-color: #efc1bd; color: #8a2a23; }
.flash.info { background: #eef3fb; border-color: #c7d6ef; color: #29497a; }

.badge { display: inline-block; font-size: .76rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.badge.lvl1 { color: var(--l1); background: var(--l1-bg); }
.badge.lvl2 { color: var(--l2); background: var(--l2-bg); }
.badge.lvl3 { color: var(--l3); background: var(--l3-bg); }
.pill { display: inline-block; font-size: .78rem; font-weight: 600; padding: 2px 9px; border-radius: 999px; background: #efece5; color: var(--ink-2); white-space: nowrap; }
.pill.ok { background: #e5f4ea; color: #276a43; }
.pill.warn { background: #fbefdc; color: var(--warn); }
.pill.tiny { font-size: .7rem; padding: 1px 6px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }

.table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: #faf9f6; }
tr:last-child td { border-bottom: 0; }
td .sub { color: var(--muted); font-size: .82rem; margin-top: 2px; }
.progress { display: inline-block; width: 60px; height: 6px; background: #ece8df; border-radius: 3px; overflow: hidden; vertical-align: middle; margin-right: 4px; }
.progress i { display: block; height: 100%; background: var(--accent); }

/* pages */
.auth { max-width: 420px; margin: 32px auto; }
.auth h1 { text-align: center; }
.auth > .muted { text-align: center; margin-top: 0; }
.empty-state { text-align: center; padding: 48px 16px; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat { display: grid; gap: 2px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; text-decoration: none; color: inherit; box-shadow: var(--shadow); }
.stat b { font-size: 1.5rem; }
.stat span { color: var(--muted); font-size: .85rem; }
.stat.key-toggle form { margin-top: 6px; }
.actions-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 8px; }
.action { display: grid; gap: 4px; padding: 14px 16px; border-radius: var(--radius); background: var(--accent-soft); color: var(--ink); text-decoration: none; border: 1px solid #cfe6dd; }
.action:hover { border-color: var(--accent); }
.action span { font-size: .85rem; color: var(--ink-2); }
.steps ol { margin: 0; padding-left: 1.2em; } .steps li { margin: .4em 0; }

.class-card { display: block; text-decoration: none; color: inherit; }
.class-card:hover { border-color: #c9c4b8; }
.class-card p { margin: 4px 0 10px; }
.groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; margin-bottom: 8px; }
.group h3 { margin: 0; }
.members { list-style: none; margin: 10px 0 0; padding: 0; }
.members li { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; padding: 8px 0; border-top: 1px solid var(--line); }
.member-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.member-actions select { width: auto; padding: 4px 6px; font-size: .84rem; }
.creds { border-color: #b9dfc9; background: #f6fbf8; }
.creds table { margin-top: 8px; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.filters select, .filters input { width: auto; flex: 1 1 140px; }

/* editor */
.editor { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 20px; align-items: start; }
.editor-side { position: sticky; top: 16px; }
.gen label { margin-bottom: 10px; }
.gen-msg { min-height: 1.2em; margin: 8px 0 0; }
.gen-msg.ok { color: #276a43; } .gen-msg.err { color: var(--danger); }
.q-card { display: grid; gap: 10px; padding: 14px 16px; }
.q-card.is-mcq { border-left: 3px solid var(--l2); }
.q-head { display: flex; align-items: center; gap: 8px; }
.q-head select { width: auto; padding: 5px 8px; font-size: .86rem; }
.q-num { min-width: 32px; }
.spacer { flex: 1; }
.opt-edit { display: grid; gap: 6px; }
.opt-row { display: grid; grid-template-columns: auto auto 1fr auto; gap: 8px; align-items: center; }
.empty { padding: 24px; text-align: center; border: 1px dashed #d6d2c8; border-radius: var(--radius); }
.savebar { position: sticky; bottom: 0; display: flex; gap: 14px; align-items: center; padding: 12px 0; background: linear-gradient(transparent, var(--paper) 30%); }

/* worksheet view */
.set-strip { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; padding: 10px 14px; font-size: .9rem; }
.set-strip a { text-decoration: none; color: var(--ink); }
.sheet-tools { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.tabs { display: inline-flex; background: #efece5; border-radius: 9px; padding: 3px; }
.tab { font: inherit; font-weight: 600; font-size: .9rem; border: 0; background: none; padding: 7px 14px; border-radius: 7px; cursor: pointer; color: var(--ink-2); }
.tab.on { background: #fff; color: var(--ink); box-shadow: var(--shadow); }
.preview { background: #e9e6df; border-radius: var(--radius); padding: 24px 12px; margin-bottom: 20px; overflow-x: auto; }
.more { margin-top: 8px; }

/* assign */
table.assign select { min-width: 240px; }

/* student */
.tasks { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.task { display: grid; gap: 6px; text-decoration: none; color: inherit; margin: 0; }
.task:hover { border-color: var(--accent); }
.instructions.card { background: #fffbea; border-color: #efe3b5; }
.answer-list { padding-left: 1.4em; margin: 0 0 16px; }
.answer-list > li { padding: 14px 0; border-bottom: 1px solid var(--line); }
.answer-list .qtext { font-size: 1.05rem; margin-bottom: 8px; }
.answer-list input:not([type]), .answer-list input[name] { max-width: 360px; }
.answer-list .opts { display: grid; gap: 6px; }
.opt { display: flex; align-items: center; gap: 8px; font-weight: 500; color: var(--ink); padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; max-width: 420px; }
.opt:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.score { display: grid; gap: 4px; text-align: center; }
.score b { font-size: 2.2rem; }
.marked { padding-left: 1.4em; margin: 0; }
.marked > li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.marked .qtext { margin-bottom: 6px; }
.mark { display: inline-block; min-width: 22px; text-align: center; font-weight: 700; border-radius: 6px; padding: 0 6px; }
.mark.ok { color: #276a43; background: #e5f4ea; }
.mark.no { color: var(--danger); background: #fbeceb; }
.mark.rev { color: var(--warn); background: #fbefdc; font-size: .8rem; }
.correct, .working { margin-top: 6px; font-size: .92rem; }
.working { color: var(--ink-2); }

/* ============ the printable sheet (A4) ============ */
.sheet { -webkit-print-color-adjust: exact; print-color-adjust: exact; background: #fff; color: #111; width: 210mm; max-width: 100%; min-height: 297mm; margin: 0 auto; padding: 16mm 16mm 18mm; box-shadow: 0 2px 16px rgba(0, 0, 0, .12); font-size: 11.5pt; line-height: 1.45; }
.sheet-head { border-bottom: 2px solid #111; padding-bottom: 10px; margin-bottom: 14px; }
.sheet .school { font-size: 9.5pt; text-transform: uppercase; letter-spacing: .08em; color: #555; margin-bottom: 4px; }
.sheet h1 { font-size: 18pt; margin: 0 0 2px; }
.sheet .meta { font-size: 9.5pt; color: #444; }
.sheet .fields { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 14px; margin-top: 12px; font-size: 10pt; }
.sheet .fields span { display: flex; gap: 6px; align-items: flex-end; white-space: nowrap; }
.sheet .fields i { flex: 1; border-bottom: 1px solid #333; min-width: 20px; height: 1.2em; font-style: normal; }
.sheet .fields i.short { flex: 0 0 28px; }
.sheet .instructions { font-style: italic; margin: 0 0 12px; font-size: 10.5pt; }
.sheet .qs { margin: 0; padding-left: 1.6em; }
.sheet .q { padding: 7px 0 9px; break-inside: avoid; page-break-inside: avoid; }
.sheet .qtext { font-weight: 500; }
.sheet .opts { list-style: none; padding: 0; margin: 6px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 18px; }
.sheet .letter { display: inline-grid; place-items: center; width: 1.45em; height: 1.45em; border: 1px solid #555; border-radius: 50%; font-size: 8.5pt; font-weight: 700; margin-right: 6px; }
.sheet .ans-line { display: flex; gap: 8px; align-items: flex-end; margin-top: 8px; color: #555; font-size: 10pt; }
.sheet .ans-line i { flex: 0 1 60%; border-bottom: 1px solid #888; height: 1.1em; }
.sheet .lines { margin-top: 6px; }
.sheet .lines i { display: block; border-bottom: 1px solid #aaa; height: 2em; }
.sheet.key { border-top: 6px solid var(--danger); }
.sheet .key-banner { display: inline-block; background: var(--danger); color: #fff; font-weight: 700; font-size: 9pt; letter-spacing: .08em; padding: 3px 10px; border-radius: 4px; margin-bottom: 8px; }
.sheet.key .answer { margin-top: 5px; color: #0f5132; }
.sheet.key .working { margin-top: 3px; color: #444; font-size: 10pt; }
.sheet.key .opts li.correct { font-weight: 700; color: #0f5132; }
.sheet.key .opts li.correct .letter { background: #0f5132; border-color: #0f5132; color: #fff; }

.print-body { background: #e9e6df; padding: 72px 12px 24px; }
.print-toolbar { position: fixed; top: 0; left: 0; right: 0; z-index: 2; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 16px; background: var(--ink); color: #fff; font-size: .9rem; }
.print-toolbar span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

@page { size: A4; margin: 12mm; }
@media print {
  body, .print-body { background: #fff; padding: 0; }
  .print-toolbar, .topbar, .btn, .btn-row, .linkbtn, form, .creds button { display: none !important; }
  .sheet { box-shadow: none; width: auto; min-height: 0; padding: 0; margin: 0; }
  .sheet.key { border-top: 0; }
  .creds { display: block; border: 0; box-shadow: none; }
  a { color: inherit; text-decoration: none; }
}

/* responsive */
@media (max-width: 900px) {
  .editor, .grid-2 { grid-template-columns: 1fr; }
  .editor-side { position: static; order: -1; }
  .stats, .actions-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .form-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .who span { display: none; }
  .sheet { padding: 18px 16px; font-size: 11pt; }
  .sheet .fields { grid-template-columns: 1fr 1fr; }
  .sheet .opts { grid-template-columns: 1fr; }
  table.assign select { min-width: 160px; }
}

/* ---- subjects & PDF worksheets ---- */
.subject-wrap { display: grid; gap: 8px; }
.modes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.mode { display: grid; gap: 2px; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; color: var(--ink); text-decoration: none; }
.mode span { font-size: .85rem; color: var(--muted); }
.mode:hover { border-color: #c9c4b8; }
.mode.on { border: 2px solid var(--accent); background: var(--accent-soft); padding: 11px 13px; }
.pill.pdf { background: #fbeceb; color: var(--danger); }
.file-list { display: grid; gap: 12px; }
.file-list > div { display: grid; gap: 4px; }
.file-chip { display: inline-block; padding: 2px 8px; border-radius: 6px; background: #f2efe8; font-size: .88rem; max-width: 100%; overflow-wrap: anywhere; }
.drop { display: grid; gap: 6px; padding: 12px; border: 1px dashed #cfcabe; border-radius: var(--radius); margin-bottom: 12px; background: #fcfbf8; }
.drop.key { border-color: #efc1bd; background: #fffafa; }
.drop input[type=file] { background: #fff; }
.drop p { margin: 0; }
.upload-form .card:last-child .btn.primary { margin-top: 4px; }
.pdf-preview { padding: 12px; }
.pdf-frame { display: block; width: 100%; height: 78vh; min-height: 480px; border: 0; border-radius: 6px; background: #fff; }
.subject-list { list-style: none; margin: 0; padding: 0; }
.subject-list li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.subject-list li:last-child { border-bottom: 0; }
.score-form { display: flex; gap: 6px; align-items: center; margin: 0; }
.score-form input { width: 80px; padding: 5px 8px; }
@media (max-width: 700px) { .modes { grid-template-columns: 1fr; } .pdf-preview { display: none; } }

/* ---- AI generation ---- */
.gen-tabs { display: flex; margin-bottom: 12px; }
.gen-tabs .tab { flex: 1; font-size: .84rem; padding: 6px 8px; }
.gen [data-gen] > label, .gen [data-gen] .form-grid { margin-bottom: 10px; }
.pill.ai { background: #f1e8f7; color: var(--l3); }
.source-pick { display: grid; gap: 10px; }
.source-pick label.check { align-items: flex-start; }
.source-pick input { margin-top: 4px; }

/* ---- topics ---- */
.topic-picker { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.topic-picker .span-2 { grid-column: span 2; margin: -4px 0 0; }
.topic-picker select:disabled { background: #f5f3ee; color: var(--muted); }
.grade-strip { display: flex; gap: 6px; flex-wrap: wrap; margin: 0 0 16px; }
.grade-strip a { display: inline-flex; gap: 6px; align-items: center; padding: 5px 10px; border-radius: 8px; border: 1px solid var(--line); background: #fff; color: var(--ink); text-decoration: none; font-size: .86rem; }
.grade-strip a b { background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 0 7px; font-size: .75rem; }
.grade-strip a.on { border-color: var(--accent); background: var(--accent); color: #fff; }
.grade-strip a.on b { background: rgba(255,255,255,.25); color: #fff; }
.topic-list { margin: 0; padding-left: 1.3em; }
.topic-list > li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.topic-list > li:last-child { border-bottom: 0; }
.topic-list .chips { margin-top: 6px; }
.topic-list details { margin-top: 6px; }
.topic-list summary { cursor: pointer; color: var(--accent); }
.topic-list details form { margin-top: 8px; }
.topic-actions { display: inline-flex; gap: 4px; align-items: center; }
.chip { display: inline-block; font-size: .8rem; padding: 2px 9px; border-radius: 999px; background: #f2efe8; color: var(--ink-2); }
.topic-filter { margin-top: 0; }
@media (max-width: 560px) { .topic-picker { grid-template-columns: 1fr; } .topic-picker .span-2 { grid-column: auto; } }

.hint { background: #fffbea; border: 1px solid #efe3b5; border-radius: 8px; padding: 8px 10px; margin: 0 0 10px; }

.checks { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 12px; }
.checks li { display: flex; gap: 10px; align-items: flex-start; }
.checks .dot { flex: none; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: .8rem; background: #efece5; color: var(--ink-2); }
.checks li.ok .dot { background: #e5f4ea; color: #276a43; }
.checks li.no .dot { background: #fbeceb; color: var(--danger); }
.checks code { overflow-wrap: anywhere; }

/* ---- photos of paper work ---- */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; margin: 8px 0 12px; }
.gallery figure { margin: 0; }
.gallery img { display: block; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); background: #f2efe8; }
.gallery figcaption { font-size: .78rem; color: var(--muted); margin-top: 4px; }
.file-tile { display: grid; place-items: center; gap: 4px; aspect-ratio: 3 / 4; border: 1px solid var(--line); border-radius: 8px; background: #fcfbf8; text-decoration: none; color: var(--ink); font-size: 1.8rem; text-align: center; padding: 8px; }
.file-tile span { font-size: .78rem; overflow-wrap: anywhere; }
.work-upload { display: grid; gap: 8px; }
.work-pick { display: grid; gap: 6px; padding: 14px; border: 2px dashed #cfcabe; border-radius: var(--radius); background: #fcfbf8; font-weight: 600; cursor: pointer; }
.work-pick:hover { border-color: var(--accent); }
.work-pick input { background: #fff; }
.work-previews { display: flex; flex-wrap: wrap; gap: 8px; }
.work-thumb { width: 72px; height: 96px; border-radius: 6px; overflow: hidden; border: 1px solid var(--line); background: #f2efe8; font-size: .7rem; display: grid; place-items: center; text-align: center; padding: 2px; }
.work-thumb img { width: 100%; height: 100%; object-fit: cover; }
.err { color: var(--danger); }
.feedback { background: #f3f8ff; border-color: #c7d6ef; }
.review-form { position: sticky; top: 16px; }
.tight-form { margin-top: 0; }
.tight-form input { width: 100px; }

/* ---- progress reports ---- */
.level-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin-bottom: 8px; }
.level-card { margin: 0; border-top: 4px solid var(--line); }
.lvl-border1 { border-top-color: var(--l1); } .lvl-border2 { border-top-color: var(--l2); } .lvl-border3 { border-top-color: var(--l3); }
.level-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px; text-align: center; }
.level-stats b { display: block; font-size: 1.35rem; }
.level-stats span { font-size: .78rem; color: var(--muted); }
.suggest-note { margin: 10px 0 0; color: var(--warn); }
.pct { display: inline-block; min-width: 48px; text-align: center; font-weight: 700; font-size: .85rem; padding: 2px 6px; border-radius: 6px; }
.pct.hi { background: #e5f4ea; color: #276a43; } .pct.mid { background: #fbf3dc; color: #8a5a00; } .pct.lo { background: #fbeceb; color: var(--danger); }
.trend { display: inline-flex; align-items: flex-end; gap: 3px; height: 28px; vertical-align: middle; }
.trend i { display: block; width: 7px; border-radius: 2px 2px 0 0; background: #c9c4b8; }
.trend i.hi { background: #4c9a6a; } .trend i.mid { background: #d9a52e; } .trend i.lo { background: #c9574f; }
.stat .trend { height: 32px; }
.suggest { font-weight: 600; font-size: .86rem; }
.suggest.up { color: #276a43; } .suggest.down { color: var(--warn); }
.matrix td, .matrix th { text-align: center; } .matrix td:first-child, .matrix th:first-child { text-align: left; }
.table-wrap.plain { box-shadow: none; }
@media print {
  .no-print, .crumbs { display: none !important; }
  .card, .table-wrap, .stat { box-shadow: none; break-inside: avoid; }
  .pct, .trend i, .badge { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  main.wrap { padding: 0; }
}

/* ---- question bank ---- */
.bank-filters { margin-bottom: 14px; }
.bank-filters label.check { flex: 0 0 auto; }
.bank-bar { position: sticky; top: 0; z-index: 2; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 10px 14px; }
.bank-bar input[name=title] { flex: 1 1 200px; width: auto; }
.bank-bar select { width: auto; }
.bank-list { list-style: none; margin: 0; padding: 0; }
.bank-list > li { display: flex; gap: 12px; margin-bottom: 10px; padding: 14px; }
.bank-pick { display: block; padding-top: 2px; }
.bank-pick input { width: 20px; height: 20px; }
.bank-body { display: grid; gap: 6px; min-width: 0; }
.bank-meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.opts-inline { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: .9rem; }
.opts-inline li.correct { font-weight: 700; color: #276a43; }
.bank-results { display: grid; gap: 8px; margin: 8px 0 10px; max-height: 60vh; overflow: auto; }
.bank-item { border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: .86rem; display: grid; gap: 4px; background: #fff; }
.bank-item .row-between { gap: 6px; }
.bank-item.added { opacity: .55; }
.savebar { flex-wrap: wrap; }

/* compact teacher menu so it fits on one line */
.topbar-in { gap: 14px; }
.topbar nav a { padding: 6px 8px; }
.gen-tabs .tab { font-size: .8rem; padding: 6px 4px; white-space: nowrap; }
@media (max-width: 1180px) { .who span { display: none; } }

.site-credit { margin-top: 28px; padding-top: 14px; border-top: 1px solid var(--line); text-align: center; font-size: .8rem; color: var(--muted); }

/* ---- admin ---- */
.admin-strip { background: #7a3fa0; color: #fff; font-size: .78rem; text-align: center; padding: 3px 8px; letter-spacing: .03em; }
.who a { color: #fff; text-decoration: none; }
.who a:hover { text-decoration: underline; }
.kv { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.kv li { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); padding-bottom: 6px; }
.kv li span:first-child { color: var(--muted); }
.mini-bars { display: flex; align-items: flex-end; gap: 4px; height: 80px; }
.mini-bars i { flex: 1; background: var(--accent); border-radius: 3px 3px 0 0; opacity: .85; }
.btn.danger-btn { color: var(--danger); border-color: #efc1bd; }
.stat .small { margin-top: 2px; }

.forgot { margin-top: 10px; color: var(--muted); }
.forgot summary { cursor: pointer; color: var(--accent); display: inline-block; }
.forgot p { text-align: left; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin: 8px 0 0; }
.narrow { max-width: 460px; }

/* ---- assign to chosen students ---- */
.pick-groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.pick-group { display: grid; gap: 6px; align-content: start; }

/* ---- schools, subscriptions, parents, legal ---- */
.sub-banner { font-size: .9rem; padding: 8px 0; border-bottom: 1px solid var(--line); }
.sub-banner.info { background: #eef3fb; color: #29497a; }
.sub-banner.warn { background: #fbf3dc; color: #7a5200; }
.sub-banner.error { background: #fbeceb; color: #8a2a23; }
.head-strip { background: #2b5fa8; color: #fff; font-size: .78rem; text-align: center; padding: 3px 8px; }
.page-foot { margin-top: 40px; padding: 16px 0 24px; border-top: 1px solid var(--line); font-size: .8rem; color: var(--muted); }
.page-foot a { color: var(--muted); }
.signup-links { display: grid; gap: 8px; margin: 14px 0; }
.signup-links a { display: block; text-align: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; text-decoration: none; font-weight: 600; font-size: .92rem; }
.signup-links a:hover { border-color: var(--accent); }
.wide-auth { max-width: 560px; }
.code-input { font-family: ui-monospace, Menlo, Consolas, monospace; letter-spacing: .12em; text-transform: uppercase; font-size: 1.05rem; }
.check.agree { align-items: flex-start; font-weight: 500; color: var(--ink-2); font-size: .88rem; }
.check.agree input { margin-top: 3px; }
.code-card .big-code { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 2.2rem; font-weight: 700; letter-spacing: .18em; margin: 4px 0 8px; color: var(--accent); }
.meter { display: grid; gap: 4px; margin-bottom: 12px; font-size: .9rem; }
.meter .bar { display: block; height: 8px; background: #ece8df; border-radius: 4px; overflow: hidden; }
.meter .bar i { display: block; height: 100%; background: var(--accent); }
.meter .bar i.hot { background: var(--danger); }
.pill.info { background: #e6eefa; color: #29497a; }
.pill.bad { background: #fbeceb; color: var(--danger); }
.feature-list { list-style: none; margin: 8px 0; padding: 0; display: grid; gap: 4px; font-size: .88rem; }
.feature-list li.yes { color: #276a43; }
.feature-list li.no { color: var(--muted); }
.plan-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.plan-card { margin: 0; }
.plan-card.current { border: 2px solid var(--accent); }
.plan-card .price { font-size: 1.3rem; font-weight: 700; margin: 4px 0 8px; }
.plan-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(420px, 1fr)); gap: 16px; }
.plan-edit { margin: 0; }
.child-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; margin-bottom: 16px; }
.child-card { margin: 0; display: grid; gap: 10px; }
.child-card h2 { margin: 0; }
.child-card p { margin: 0; }
.recent { list-style: none; margin: 0; padding: 0; }
.recent li { display: flex; justify-content: space-between; gap: 10px; padding: 8px 0; border-top: 1px solid var(--line); font-size: .9rem; }
.slips { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; max-width: 900px; margin: 0 auto; }
.slip { background: #fff; border: 1px dashed #999; border-radius: 8px; padding: 14px 16px; break-inside: avoid; }
.slip h3 { margin: 2px 0; }
.slip p { margin: 4px 0; }
.slip-school { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: #555; }
.slip-code { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 1.6rem; font-weight: 700; letter-spacing: .12em; margin: 8px 0 !important; }
.legal { max-width: 820px; margin: 0 auto; line-height: 1.6; }
.legal h2 { font-size: 1.1rem; margin-top: 1.4em; }
.legal mark { background: #fff3c4; padding: 0 2px; }
@media print { .slips { grid-template-columns: repeat(2, 1fr); } .page-foot, .sub-banner { display: none; } }
@media (max-width: 560px) { .slips { grid-template-columns: 1fr; } .plan-grid { grid-template-columns: 1fr; } }

/* ---- currencies ---- */
.price-set { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.amount-row { display: flex; gap: 6px; }
.amount-row select { width: auto; flex: 0 0 auto; }
.currency-pick { align-items: center; margin: 0 0 16px; }
.currency-pick label.check { font-weight: 500; }
@media (max-width: 560px) { .price-set { grid-template-columns: 1fr; } }

/* ---- legal editor ---- */
.legal-edit { font: .88rem/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; min-height: 420px; }
.legal-grid { align-items: start; }
.legal-grid > section { margin: 0; }

/* ---- data & backups ---- */
pre.code { background: var(--soft, #f4f1ea); border: 1px solid var(--line, #e5e0d5); border-radius: 8px; padding: 10px 12px; overflow-x: auto; white-space: pre; }
.danger-zone { border-color: #e7b9b0; }
.btn.danger { background: #b4412e; border-color: #b4412e; color: #fff; }
.card.left { text-align: left; max-width: 640px; margin: 16px auto; }
td.right { text-align: right; }