/* ElevatePrep practice platform + admin console.
   Tokens, fonts, focus, and reduced-motion rules come from /assets/theme.css. */

:root {
  --font-scale: 1;
  /* aliases used by inline styles in the app scripts */
  --bg: var(--paper);
  --brand: var(--navy-700);
  --brand-2: var(--navy-600);
  --brand-deep: var(--navy-900);
  --brand-soft: var(--navy-50);
  --accent: var(--gold-500);
  --radius: var(--r);
}
html { font-size: calc(100% * var(--font-scale)); }
body { font: 400 1rem/1.6 var(--font-sans); color: var(--ink); background: var(--paper); min-height: 100vh; }

/* ---------- accessibility preferences (student settings) ---------- */
.pref-readable { --font-sans: var(--font-readable); --font-serif: var(--font-readable); letter-spacing: .01em; word-spacing: .06em; }
.pref-contrast { --paper: #fff; --surface-2: #fff; --ink: #000; --ink-2: #000; --muted: #1f1f1f; --line: #1f1f1f; --line-strong: #000; --navy-50: #fff; --navy-100: #fff; }
.pref-contrast .card, .pref-contrast .choice, .pref-contrast .question, .pref-contrast .passage { border-width: 2px; }
.pref-spacing body { line-height: 1.95; }
.pref-spacing .stem, .pref-spacing .passage { line-height: 2; }
.pref-reduce-motion *, .pref-reduce-motion *::before, .pref-reduce-motion *::after { transition: none !important; animation: none !important; }

/* ---------- type & utilities ---------- */
a { color: var(--navy-600); text-underline-offset: 3px; }
a:hover { color: var(--navy-800); }
h1, h2, h3 { margin: 0 0 .5rem; color: var(--navy-900); text-wrap: balance; }
h1 { font: 600 var(--step-4)/1.15 var(--font-serif); letter-spacing: -.01em; }
h2 { font: 600 var(--step-2)/1.25 var(--font-serif); }
h3 { font: 600 1.05rem/1.35 var(--font-sans); }
p { margin: 0 0 .75rem; }
main:focus { outline: none; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.mono { font-family: var(--font-mono); font-size: .9em; }
.wrap { width: min(1160px, 100% - 2.5rem); margin: 0 auto; }
.stack > * + * { margin-top: 1rem; }
.row { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(230px, 100%), 1fr)); }
.grid-2 { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(min(400px, 100%), 1fr)); align-items: start; margin-top: 1.5rem; }
.icon { flex: none; }
.eyebrow { font-size: .85rem; font-weight: 600; color: var(--muted); margin-bottom: .3rem; }

/* ---------- header (student) ---------- */
.app-header { position: sticky; top: 0; z-index: 30; background: rgba(255, 255, 255, .92); backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid var(--line); }
.app-header-inner { width: min(1160px, 100% - 2.5rem); margin: 0 auto; display: flex; align-items: center; gap: 1.25rem; min-height: 64px; }
.brand { display: flex; align-items: center; gap: .65rem; color: var(--ink); text-decoration: none; }
.brand strong { display: block; font: 600 1.05rem/1.15 var(--font-serif); color: var(--navy-900); }
.brand small { display: block; color: var(--muted); font-size: .75rem; }
.app-nav { display: flex; gap: .25rem; flex: 1; }
.app-nav a { display: inline-flex; align-items: center; gap: .45rem; padding: .5rem .75rem; border-radius: var(--r); color: var(--ink-2); text-decoration: none; font-weight: 500; font-size: .95rem;
  transition: background-color var(--dur-1) var(--ease), color var(--dur-1) var(--ease); }
.app-nav a .icon { color: var(--muted); transition: color var(--dur-1); }
.app-nav a:hover { background: var(--navy-50); color: var(--navy-900); }
.app-nav a[aria-current=page] { background: var(--navy-50); color: var(--navy-900); font-weight: 600; }
.app-nav a[aria-current=page] .icon { color: var(--navy-700); }
.app-user { display: flex; align-items: center; gap: .6rem; }
.avatar { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--gold-100); color: var(--gold-700); font-weight: 700; font-size: .8rem; }
.app-user-name { color: var(--ink-2); font-size: .9rem; font-weight: 500; }
@media (max-width: 760px) {
  .app-header-inner { flex-wrap: wrap; gap: .5rem; padding: .5rem 0 0; min-height: 0; }
  .app-nav { order: 3; flex-basis: 100%; overflow-x: auto; scrollbar-width: none; padding-bottom: .5rem; }
  .app-nav a { white-space: nowrap; }
  .app-user { margin-left: auto; }
  .app-user-name, .app-user .btn span { display: none; }
}

/* ---------- console layout (admin): left sidebar on wide screens ---------- */
body.console #shell { display: grid; grid-template-columns: 252px minmax(0, 1fr); min-height: 100vh; background: linear-gradient(to right, var(--surface) 252px, transparent 252px); }
.console .app-header { position: sticky; top: 0; height: 100vh; border-bottom: 0; border-right: 1px solid var(--line); background: var(--surface); backdrop-filter: none; }
.console .app-header-inner { width: auto; height: 100%; flex-direction: column; align-items: stretch; gap: 1.25rem; padding: 1.25rem .9rem; }
.console .brand { padding: 0 .4rem; }
.console .app-nav { flex-direction: column; gap: .15rem; flex: 0 1 auto; }
.console .app-nav a { padding: .6rem .7rem; }
.console .app-nav a[href='/app/'] { margin-top: .75rem; border-top: 1px solid var(--line); border-radius: 0 0 var(--r) var(--r); padding-top: .9rem; }
.console .app-user { margin-top: auto; padding: .9rem .4rem 0; border-top: 1px solid var(--line); flex-wrap: wrap; }
.console .app-user .btn { margin-left: auto; }
.console main.page { width: min(1200px, 100% - 3rem); }
@media (max-width: 960px) {
  body.console #shell { display: block; background: none; }
  .console .app-header { position: sticky; height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .console .app-header-inner { flex-direction: row; flex-wrap: wrap; align-items: center; height: auto; padding: .6rem 1.25rem 0; gap: .5rem; }
  .console .app-nav { order: 3; flex-direction: row; flex-basis: 100%; overflow-x: auto; scrollbar-width: none; padding-bottom: .5rem; }
  .console .app-nav a { white-space: nowrap; }
  .console .app-nav a[href='/app/'] { margin-top: 0; border-top: 0; padding-top: .6rem; border-radius: var(--r); }
  .console .app-user { margin-top: 0; padding: 0; border-top: 0; margin-left: auto; }
  .console .app-user-name, .console .app-user .btn span { display: none; }
}

/* ---------- page scaffolding ---------- */
.page { padding: 2rem 0 4rem; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem 1.5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.page-head h1 { margin: 0; }
.page-sub { margin: .35rem 0 0; color: var(--muted); max-width: 64ch; }
.page-actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.section-title { font-size: var(--step-1); margin: 1.75rem 0 .75rem; }
.fade-in { animation: page-in var(--dur-3) var(--ease); }
@keyframes page-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- cards ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.25rem 1.35rem; box-shadow: var(--shadow-1); }
.card h2 { margin-bottom: .75rem; }
.card-link { display: block; text-decoration: none; color: inherit; transition: transform var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease); }
.card-link:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); border-color: var(--navy-200); color: inherit; }
.card-link:active { transform: translateY(0); }
.stat { font: 600 2rem/1.1 var(--font-serif); color: var(--navy-900); font-variant-numeric: tabular-nums; }
.stat-card { display: flex; flex-direction: column; gap: .35rem; }
.stat-label { display: inline-flex; align-items: center; gap: .45rem; color: var(--muted); font-size: .875rem; font-weight: 600; }
.stat-label .icon { color: var(--navy-600); }
.zero { color: var(--bad) !important; font-weight: 700; }

/* notices & pills */
.notice { display: flex; gap: .6rem; align-items: flex-start; border-radius: var(--r); padding: .8rem 1rem; border: 1px solid; font-size: .95rem; }
.notice .icon { margin-top: .15rem; }
.notice-info { background: var(--navy-50); border-color: var(--navy-100); color: var(--navy-900); }
.notice-warn { background: var(--warn-soft); border-color: #f0d49a; color: #4d3300; }
.notice-bad { background: var(--bad-soft); border-color: #f3b8b2; color: #7a1a12; }
.notice-ok { background: var(--ok-soft); border-color: #a9d8bb; color: #134b2e; }
.notice[hidden] { display: none; }
.pill { display: inline-flex; align-items: center; gap: .3rem; padding: .15rem .6rem; border-radius: 999px; font-size: .78rem; font-weight: 600; background: var(--surface-2); color: var(--ink-2); border: 1px solid var(--line); white-space: nowrap; }
.pill-published, .pill-ok, .pill-active { background: var(--ok-soft); color: var(--ok); border-color: #b5dcc4; }
.pill-in_review, .pill-warn, .pill-pending { background: var(--warn-soft); color: var(--warn); border-color: #f0d49a; }
.pill-draft { background: var(--navy-50); color: var(--navy-800); border-color: var(--navy-100); }
.pill-archived, .pill-inactive, .pill-bad { background: var(--bad-soft); color: var(--bad); border-color: #f3b8b2; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .45rem; min-height: 44px; padding: .55rem 1rem; border-radius: var(--r); border: 1px solid var(--line-strong);
  background: var(--surface); color: var(--navy-900); font: 600 .95rem/1.2 var(--font-sans); cursor: pointer; text-decoration: none;
  transition: background-color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease), color var(--dur-1) var(--ease), transform var(--dur-1) var(--ease), box-shadow var(--dur-2) var(--ease); }
.btn:hover { border-color: var(--navy-600); color: var(--navy-900); }
.btn:active { transform: translateY(1px) scale(.99); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn[aria-busy=true] { position: relative; color: transparent !important; }
.btn[aria-busy=true]::after { content: ''; position: absolute; width: 1.1em; height: 1.1em; border: 2px solid var(--navy-600); border-right-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; }
.btn-primary { background: var(--navy-800); border-color: var(--navy-800); color: #fff; box-shadow: var(--shadow-1); }
.btn-primary:hover { background: var(--navy-900); border-color: var(--navy-900); color: #fff; box-shadow: var(--shadow-2); }
.btn-primary[aria-busy=true]::after { border-color: #fff; border-right-color: transparent; }
.btn-danger { background: var(--bad); border-color: var(--bad); color: #fff; }
.btn-danger:hover { background: #8f1c13; border-color: #8f1c13; color: #fff; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn-ghost:hover { background: var(--navy-50); border-color: transparent; }
.btn-small { min-height: 36px; padding: .35rem .7rem; font-size: .875rem; }
.btn-block { width: 100%; }
.btn-meta { font-weight: 400; opacity: .8; font-size: .85rem; }
.btn[aria-pressed=true] { background: var(--navy-50); border-color: var(--navy-600); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- forms ---------- */
label, .label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .35rem; color: var(--ink); }
.hint { color: var(--muted); font-size: .85rem; font-weight: 400; margin-top: .3rem; }
input:not([type]), input[type=text], input[type=password], input[type=number], input[type=email], input[type=search], select, textarea {
  width: 100%; min-height: 44px; padding: .55rem .75rem; border: 1px solid var(--line-strong); border-radius: var(--r); background: #fff; color: var(--ink);
  transition: border-color var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease); }
textarea { min-height: 120px; resize: vertical; line-height: 1.5; }
input:hover, select:hover, textarea:hover { border-color: var(--muted); }
input:focus, select:focus, textarea:focus { border-color: var(--navy-600); box-shadow: 0 0 0 3px rgba(42, 81, 150, .2); outline: none; }
input[aria-invalid=true] { border-color: var(--bad); }
.field + .field { margin-top: 1rem; }
.field-error { color: var(--bad); font-size: .85rem; margin-top: .3rem; }
.check { display: flex; gap: .6rem; align-items: flex-start; font-weight: 500; cursor: pointer; }
.check input { width: 1.15rem; height: 1.15rem; margin-top: .2rem; accent-color: var(--navy-700); flex: none; }
fieldset { border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1rem 1.1rem; margin: 0; min-width: 0; }
legend { font-weight: 700; padding: 0 .35rem; color: var(--navy-900); }
.seg { display: inline-flex; flex-wrap: wrap; gap: .25rem; padding: .25rem; border-radius: calc(var(--r) + 4px); background: var(--surface-2); border: 1px solid var(--line); }
.seg label { margin: 0; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: block; padding: .45rem .85rem; border-radius: var(--r); cursor: pointer; font-weight: 600; font-size: .9rem; color: var(--ink-2); transition: background-color var(--dur-2) var(--ease), color var(--dur-2), box-shadow var(--dur-2); }
.seg span:hover { color: var(--navy-900); }
.seg input:checked + span { background: var(--surface); color: var(--navy-900); box-shadow: var(--shadow-1); }
.seg input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 1px; }

/* ---------- loading / empty / error ---------- */
.state { padding: 2.25rem 1rem; text-align: center; color: var(--muted); display: grid; justify-items: center; gap: .25rem; }
.state h3 { color: var(--navy-900); margin: .35rem 0 0; }
.state p { max-width: 42ch; margin: 0 auto .5rem; }
.state-icon { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--navy-50); color: var(--navy-700); }
.state-error .state-icon { background: var(--bad-soft); color: var(--bad); }
.state-error h3 { color: var(--bad); }
.skeleton { display: grid; gap: .9rem; padding: .5rem 0; }
.sk { border-radius: var(--r); background: linear-gradient(90deg, var(--surface-2) 25%, #e2e8f0 37%, var(--surface-2) 63%); background-size: 400% 100%; animation: shimmer 1.4s ease infinite; }
.sk-title { height: 2.2rem; width: min(360px, 70%); }
.sk-line { height: 1rem; width: min(520px, 90%); }
.sk-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); margin-top: .5rem; }
.sk-card { height: 120px; border-radius: var(--r-lg); }
@keyframes shimmer { from { background-position: 100% 0; } to { background-position: 0 0; } }
.toast { position: fixed; left: 50%; bottom: 1.25rem; z-index: 200; display: flex; align-items: center; gap: .55rem; max-width: min(92vw, 520px); padding: .75rem 1.1rem;
  border-radius: var(--r); background: var(--navy-950); color: #fff; box-shadow: var(--shadow-3); transform: translate(-50%, 160%); opacity: 0;
  transition: transform var(--dur-3) var(--ease), opacity var(--dur-2) var(--ease); }
.toast.show { transform: translate(-50%, 0); opacity: 1; }
.toast[data-kind=error] { background: var(--bad); }
.toast[data-kind=ok] { background: var(--ok); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); }
.card .table-wrap { border-radius: var(--r); }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .7rem .85rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--surface-2); font-size: .82rem; font-weight: 600; color: var(--muted); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tbody tr { transition: background-color var(--dur-1); }
tbody tr:hover { background: var(--navy-50); }
td.num, .coverage td.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- progress bars ---------- */
.bar { height: 10px; background: var(--navy-50); border-radius: 999px; overflow: hidden; border: 1px solid var(--line); }
.bar > span { display: block; height: 100%; background: var(--navy-600); border-radius: 999px; transform-origin: left; transform: scaleX(var(--v, 0)); animation: grow var(--dur-3) var(--ease) both; }
.bar.low > span { background: var(--gold-500); }
.bar.high > span { background: var(--ok); }
@keyframes grow { from { transform: scaleX(0); } }
.topic-row { display: grid; grid-template-columns: minmax(0, 1fr) 140px 3.5rem; gap: .9rem; align-items: center; padding: .55rem 0; border-bottom: 1px dashed var(--line); }
.topic-row:last-child { border-bottom: 0; }
.topic-row strong { text-align: right; font-variant-numeric: tabular-nums; color: var(--navy-900); }
@media (max-width: 520px) { .topic-row { grid-template-columns: 1fr 3rem; } .topic-row .bar { grid-column: 1 / -1; grid-row: 2; } }

/* ---------- dialog ---------- */
.dialog { border: 0; border-radius: var(--r-lg); padding: 1.5rem; width: min(540px, 92vw); max-height: 90vh; box-shadow: var(--shadow-3); color: var(--ink); }
.dialog[open] { animation: dialog-in var(--dur-3) var(--ease); }
.dialog::backdrop { background: rgba(10, 22, 40, .5); backdrop-filter: blur(2px); }
.dialog h2 { margin-bottom: .75rem; }
.dialog-actions { display: flex; justify-content: flex-end; gap: .5rem; margin-top: 1.25rem; flex-wrap: wrap; }
@keyframes dialog-in { from { opacity: 0; transform: translateY(10px) scale(.98); } to { opacity: 1; transform: none; } }
.secret { font: 600 1.15rem var(--font-mono); background: var(--navy-50); border: 1px dashed var(--navy-200); border-radius: var(--r); padding: .8rem; word-break: break-all; user-select: all; margin: .5rem 0; }

/* ---------- sign-in & setup ---------- */
.auth { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); }
.auth-aside { display: flex; flex-direction: column; justify-content: space-between; gap: 2rem; padding: clamp(2rem, 5vw, 3.5rem); color: #fff;
  background: radial-gradient(40rem 22rem at 110% -10%, rgba(217, 154, 30, .28), transparent 60%), radial-gradient(30rem 20rem at -10% 110%, rgba(42, 81, 150, .5), transparent 60%), var(--navy-900); }
.brand-light strong { color: #fff; }
.brand-light small { color: var(--navy-200); }
.brand-light .brand-mark { background: rgba(255, 255, 255, .1); }
.auth-aside :focus-visible { outline-color: var(--gold-400); }
.auth-pitch h2 { color: #fff; font-size: var(--step-4); line-height: 1.15; max-width: 16ch; }
.auth-pitch ul { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: .8rem; }
.auth-pitch li { position: relative; padding-left: 1.75rem; color: var(--navy-100); }
.auth-pitch li::before { content: ''; position: absolute; left: 0; top: .45em; width: .9rem; height: .55rem; border-left: 2px solid var(--gold-400); border-bottom: 2px solid var(--gold-400); transform: rotate(-45deg); }
.auth-foot { color: var(--navy-200); font-size: .9rem; margin: 0; }
.auth-main { display: grid; place-items: center; padding: clamp(1.5rem, 5vw, 3rem); }
.auth-card { width: min(420px, 100%); animation: page-in var(--dur-3) var(--ease); }
.auth-card h1 { font-size: var(--step-4); }
.auth-brand-mobile { display: none !important; margin-bottom: 1.5rem; }
@media (max-width: 860px) {
  .auth { grid-template-columns: 1fr; }
  .auth-aside { display: none; }
  .auth-main { place-items: start center; padding-top: 2.5rem; }
  .auth-brand-mobile { display: flex !important; }
}

/* ---------- dashboard ---------- */
.welcome { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; padding: 1.5rem 1.75rem; margin-bottom: 1.5rem; border-radius: var(--r-lg); color: #fff;
  background: radial-gradient(36rem 16rem at 105% -20%, rgba(217, 154, 30, .28), transparent 60%), var(--navy-900); box-shadow: var(--shadow-2); animation: page-in var(--dur-3) var(--ease); }
.welcome h1 { color: #fff; margin: 0; }
.welcome .page-sub { color: var(--navy-200); }
.welcome-stats { display: flex; gap: 1.75rem; margin: 0; flex-wrap: wrap; }
.welcome-stats div { min-width: 6.5rem; }
.welcome-stats dt { font-size: .8rem; color: var(--navy-200); font-weight: 600; }
.welcome-stats dd { margin: 0; font: 600 1.75rem/1.2 var(--font-serif); color: #fff; font-variant-numeric: tabular-nums; }
.resume-card { margin-bottom: 1rem; }
.resume-card h2 { font-size: var(--step-1); }
.quick-grid { grid-template-columns: repeat(auto-fit, minmax(min(230px, 100%), 1fr)); }
.quick { display: flex; flex-direction: column; gap: .35rem; animation: page-in var(--dur-3) var(--ease) both; animation-delay: calc(var(--i, 0) * 50ms); }
.quick h3 { margin: .35rem 0 0; font-size: 1.05rem; }
.quick p { margin: 0; flex: 1; }
.quick-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--navy-50); color: var(--navy-700); transition: background-color var(--dur-2), color var(--dur-2); }
.quick:hover .quick-icon { background: var(--navy-800); color: #fff; }
.quick-go { display: inline-flex; align-items: center; gap: .3rem; margin-top: .6rem; font-weight: 600; font-size: .9rem; color: var(--navy-700); }
.quick-go .icon { transition: transform var(--dur-2) var(--ease); }
.quick:hover .quick-go .icon { transform: translateX(3px); }
.link-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .25rem; }
.link-list li { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .6rem 0; border-bottom: 1px dashed var(--line); }
.link-list li:last-child { border-bottom: 0; }
.link-list a { display: inline-flex; align-items: center; gap: .5rem; font-weight: 600; text-decoration: none; }

/* ---------- practice setup ---------- */
.mode-picker { border: 0; padding: 0; }
.mode-picker legend { padding: 0; margin-bottom: .6rem; }
.mode-grid { display: grid; gap: .6rem; grid-template-columns: repeat(auto-fit, minmax(min(150px, 100%), 1fr)); }
.mode-card { position: relative; display: flex; align-items: center; gap: .6rem; margin: 0; padding: .8rem .9rem; border: 1.5px solid var(--line); border-radius: var(--r); background: var(--surface); cursor: pointer; font-weight: 600;
  transition: border-color var(--dur-2) var(--ease), background-color var(--dur-2) var(--ease), box-shadow var(--dur-2); }
.mode-card input { position: absolute; opacity: 0; pointer-events: none; }
.mode-card:hover { border-color: var(--navy-200); }
.mode-icon { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: var(--navy-50); color: var(--navy-700); flex: none; transition: background-color var(--dur-2), color var(--dur-2); }
.mode-card:has(input:checked) { border-color: var(--navy-700); background: var(--navy-50); box-shadow: 0 0 0 1px var(--navy-700) inset; }
.mode-card:has(input:checked) .mode-icon { background: var(--navy-700); color: #fff; }
.mode-card:has(input:focus-visible) { outline: 3px solid var(--focus); outline-offset: 2px; }
.mode-desc { display: flex; gap: .55rem; align-items: flex-start; padding: .75rem .9rem; border-radius: var(--r); background: var(--surface-2); color: var(--ink-2); font-size: .95rem; }
.mode-desc .icon { margin-top: .15rem; color: var(--navy-600); }

/* ---------- test runner: calm, focused ---------- */
.runner { display: flex; flex-direction: column; min-height: 100vh; background: var(--paper); }
.runner-bar { position: sticky; top: 0; z-index: 10; background: var(--surface); border-bottom: 1px solid var(--line); }
.runner-bar-inner { display: flex; align-items: center; gap: 1rem; padding: .55rem 1.25rem; width: min(1320px, 100%); margin: 0 auto; }
.runner-where { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.runner-title { font: 600 1rem/1.25 var(--font-serif); color: var(--navy-900); }
.runner-pos { font-size: .85rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.runner-tools { display: flex; align-items: center; gap: .2rem; }
.tool { display: inline-flex; align-items: center; gap: .4rem; min-height: 38px; min-width: 38px; justify-content: center; padding: .35rem .6rem; border-radius: var(--r); border: 1px solid transparent;
  background: transparent; color: var(--ink-2); font: 600 .85rem var(--font-sans); cursor: pointer; transition: background-color var(--dur-1), color var(--dur-1), border-color var(--dur-1); }
.tool:hover { background: var(--navy-50); color: var(--navy-900); }
.tool[aria-pressed=true] { background: var(--gold-100); color: var(--navy-900); border-color: var(--gold-400); }
.runner-clock { display: inline-flex; align-items: center; gap: .4rem; padding: .3rem .4rem .3rem .65rem; border-radius: 999px; background: var(--navy-50); color: var(--navy-700); }
.timer { font: 600 1rem/1 var(--font-mono); color: var(--navy-900); min-width: 4.75rem; text-align: center; padding: .25rem .4rem; border-radius: 999px; font-variant-numeric: tabular-nums; }
.timer.low { background: var(--gold-500); color: var(--navy-950); animation: nudge 1.2s var(--ease) 1; }
@keyframes nudge { 0%, 100% { transform: none; } 30% { transform: scale(1.06); } }
.runner-progress { height: 3px; background: var(--navy-50); }
.runner-progress span { display: block; height: 100%; background: var(--navy-600); transform-origin: left; transform: scaleX(var(--v, 0)); transition: transform var(--dur-3) var(--ease); }
@media (max-width: 720px) {
  .runner-bar-inner { flex-wrap: wrap; gap: .4rem .75rem; padding: .5rem .9rem; }
  .runner-title { display: none; }
  .runner-where { flex-basis: 100%; order: -1; }
  .tool-label:not(.tool-label-always) { display: none; }
  .runner-clock { margin-left: auto; }
}
.runner-body { flex: 1; display: grid; grid-template-columns: minmax(0, 760px); justify-content: center; align-content: start; gap: 1.25rem; padding: 1.5rem 1.25rem; width: 100%; }
.runner-body.split { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); width: min(1320px, 100%); margin: 0 auto; }
@media (max-width: 920px) { .runner-body.split { grid-template-columns: 1fr; } }
.passage { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.5rem 1.75rem; font: 400 1.08rem/1.8 var(--font-serif); color: var(--ink);
  max-height: calc(100vh - 190px); overflow: auto; position: sticky; top: calc(64px + 1.5rem); }
@media (max-width: 920px) { .passage { max-height: 48vh; position: static; } }
.passage h2 { font-size: var(--step-2); margin-bottom: 1rem; }
.passage p { margin-bottom: 1rem; }
.passage mark, .stem mark { background: #ffe59a; color: inherit; border-radius: 2px; padding: 0 .05em; }
.question { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.5rem 1.6rem; box-shadow: var(--shadow-1); }
.question.fade-in { animation: q-in var(--dur-2) var(--ease); }
@keyframes q-in { from { opacity: 0; transform: translateX(6px); } to { opacity: 1; transform: none; } }
.question .row:first-child { margin-bottom: .6rem; }
.stem { font-size: 1.1rem; line-height: 1.65; white-space: pre-wrap; margin-bottom: 1.25rem; color: var(--ink); }
.stem:focus { outline: none; }
.choices { display: grid; gap: .6rem; border: 0; padding: 0; margin: 0; min-width: 0; }
.choice { position: relative; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: .85rem; padding: .8rem .95rem; margin: 0; border: 1.5px solid var(--line); border-radius: var(--r);
  background: var(--surface); cursor: pointer; font-weight: 400; transition: border-color var(--dur-1) var(--ease), background-color var(--dur-1) var(--ease), box-shadow var(--dur-1); }
.choice:hover { border-color: var(--navy-200); background: #fcfcfe; }
.choice input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.choice-key { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; border: 1.5px solid var(--line-strong); font-weight: 700; font-size: .9rem; color: var(--ink-2); flex: none;
  transition: background-color var(--dur-1), border-color var(--dur-1), color var(--dur-1); }
.choice:has(input:checked) { border-color: var(--navy-700); background: var(--navy-50); box-shadow: 0 0 0 1px var(--navy-700) inset; }
.choice:has(input:checked) .choice-key { background: var(--navy-700); border-color: var(--navy-700); color: #fff; }
.choice:has(input:focus-visible) { outline: 3px solid var(--focus); outline-offset: 2px; }
.choice:has(input:disabled) { cursor: default; }
.choice.struck .choice-text { text-decoration: line-through; color: var(--muted); }
.choice.struck .choice-key { opacity: .5; }
.choice.is-correct, .choice.is-correct:has(input:checked) { border-color: var(--ok); background: var(--ok-soft); box-shadow: none; }
.choice.is-correct .choice-key, .choice.is-correct:has(input:checked) .choice-key { background: var(--ok); border-color: var(--ok); color: #fff; }
.choice.is-wrong, .choice.is-wrong:has(input:checked) { border-color: var(--bad); background: var(--bad-soft); box-shadow: none; }
.choice.is-wrong:has(input:checked) .choice-key, .choice.is-wrong .choice-key { background: var(--bad); border-color: var(--bad); color: #fff; }
.strike { position: relative; z-index: 1; border: 0; background: none; color: var(--muted); padding: .3rem .5rem; border-radius: var(--r-sm); cursor: pointer; font-size: .8rem; font-weight: 600; opacity: .7; transition: opacity var(--dur-1), background-color var(--dur-1); }
.choice:hover .strike, .strike:focus-visible { opacity: 1; }
.strike:hover { background: var(--surface-2); }
.fill-in { max-width: 16rem; font: 600 1.25rem var(--font-mono) !important; }
.feedback { margin-top: 1.1rem; animation: pop var(--dur-3) var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(4px) scale(.99); } to { opacity: 1; transform: none; } }
.runner-foot { position: sticky; bottom: 0; z-index: 10; background: var(--surface); border-top: 1px solid var(--line); }
.runner-foot-inner { display: flex; gap: .6rem; align-items: center; padding: .65rem 1.25rem; width: min(1320px, 100%); margin: 0 auto; flex-wrap: wrap; }
.runner-foot .btn-primary { min-width: 7.5rem; }
.palette { display: flex; gap: .3rem; flex-wrap: wrap; }
.palette button { position: relative; width: 2.35rem; height: 2.35rem; border-radius: var(--r-sm); border: 1px solid var(--line-strong); background: var(--surface); font: 600 .85rem var(--font-sans); color: var(--ink-2); cursor: pointer;
  transition: background-color var(--dur-1), border-color var(--dur-1); }
.palette button:hover { border-color: var(--navy-600); }
.palette button.answered { background: var(--navy-100); border-color: var(--navy-200); color: var(--navy-900); }
.palette button[aria-current=true] { border: 2px solid var(--navy-800); color: var(--navy-900); }
.palette button.flagged::after { content: ''; position: absolute; top: 3px; right: 3px; width: 7px; height: 7px; border-radius: 50%; background: var(--gold-500); }
.set-tabs { display: flex; gap: .3rem; flex-wrap: wrap; }
.set-tabs button { min-width: 2.35rem; height: 2.35rem; border-radius: var(--r-sm); border: 1px solid var(--line-strong); background: var(--surface); cursor: pointer; font-weight: 600; color: var(--ink-2); }
.set-tabs button.answered { background: var(--navy-100); border-color: var(--navy-200); }
.set-tabs button[aria-current=true] { border: 2px solid var(--navy-800); color: var(--navy-900); }
.notes { position: fixed; right: 1rem; bottom: 5.5rem; width: min(360px, 92vw); z-index: 30; box-shadow: var(--shadow-3); animation: pop var(--dur-2) var(--ease); }
.notes textarea { min-height: 180px; }
.break-card { max-width: 520px; width: 100%; margin: 3rem auto; text-align: center; align-self: start; padding: 2rem; }
.break-icon { display: inline-grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: var(--navy-50); color: var(--navy-700); margin-bottom: .75rem; }
.break-count { color: var(--muted); font-weight: 600; margin: 0; }
.break-time { font: 600 2.6rem/1.2 var(--font-mono); color: var(--navy-900); margin: .75rem 0 1rem; font-variant-numeric: tabular-nums; }

/* figures & technology-enhanced items */
.q-figure { margin: 0 0 1.1rem; }
.q-figure img { max-width: min(100%, 440px); height: auto; border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
.choice-key-square { border-radius: 7px; }
.choice:has(input[type=checkbox]:checked) .choice-key { background: var(--navy-700); color: #fff; border-color: var(--navy-700); }
.order-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.order-item { display: grid; grid-template-columns: 2rem auto 1fr auto; gap: .65rem; align-items: center; padding: .6rem .75rem; border: 1.5px solid var(--line); border-radius: var(--r); background: var(--surface);
  transition: border-color var(--dur-1), box-shadow var(--dur-2); animation: q-in var(--dur-2) var(--ease); }
.order-item[draggable=true] { cursor: grab; }
.order-item[draggable=true]:hover { border-color: var(--navy-200); box-shadow: var(--shadow-1); }
.order-item.dragging { opacity: .5; border-style: dashed; }
.order-pos { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--navy-50); font-weight: 700; color: var(--navy-800); }
.order-grip { color: var(--line-strong); letter-spacing: -2px; }
.order-btns { display: flex; gap: .3rem; }
.order-btns .btn { min-width: 2.4rem; }
.cat-bins { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); }
.cat-bin { display: grid; gap: .45rem; align-content: start; min-height: 5.5rem; padding: .8rem; border: 1.5px dashed var(--line-strong); border-radius: var(--r); background: var(--paper);
  transition: border-color var(--dur-1), background-color var(--dur-1); }
.cat-bin.over { border-color: var(--navy-600); background: var(--navy-50); }
.cat-title { font: 600 .9rem var(--font-sans); color: var(--navy-900); margin: 0; }
.cat-chip { display: flex; gap: .5rem; align-items: center; justify-content: space-between; flex-wrap: wrap; padding: .5rem .65rem; border: 1px solid var(--line-strong); border-radius: var(--r-sm); background: var(--surface); animation: q-in var(--dur-2) var(--ease); }
.cat-chip[draggable=true] { cursor: grab; }
.cat-chip select { width: auto; min-height: 34px; padding: .2rem .4rem; font-size: .85rem; }
@media (max-width: 520px) { .order-item { grid-template-columns: 2rem 1fr auto; gap: .45rem; padding: .5rem; } .order-grip { display: none; } }

/* ---------- results ---------- */
.result-hero { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; padding: 1.5rem 1.75rem; }
.result-ring { position: relative; width: 132px; height: 132px; flex: none; }
.ring { transform: rotate(-90deg); display: block; }
.ring-track { fill: none; stroke: var(--navy-50); stroke-width: 12; }
.ring-fill { fill: none; stroke: var(--navy-700); stroke-width: 12; stroke-linecap: round; transition: stroke-dashoffset 900ms var(--ease); }
.ring-label { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.ring-label strong { font: 600 1.9rem/1 var(--font-serif); color: var(--navy-900); }
.ring-label span { font-size: .8rem; color: var(--muted); }
.result-stats { flex: 1; display: grid; gap: 1rem 1.75rem; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); margin: 0; }
.result-stats dt { font-size: .85rem; color: var(--muted); font-weight: 600; }
.result-stats dd { margin: .1rem 0 .2rem; font: 600 1.6rem/1.2 var(--font-serif); color: var(--navy-900); font-variant-numeric: tabular-nums; }
.result-stats p { margin: 0; }
.estimate-tag { margin-left: .5rem; padding: .1rem .45rem; border-radius: 999px; background: var(--gold-100); color: var(--gold-700); font: 700 .7rem var(--font-sans); vertical-align: middle; }
.estimate-note { display: flex; gap: .45rem; align-items: flex-start; color: var(--muted); font-size: .85rem; margin: .75rem 0 0; }
.estimate-note .icon { margin-top: .15rem; }
.next-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .75rem; }
.next-list li { display: flex; gap: .65rem; align-items: flex-start; }
.next-list p { margin: 0 0 .4rem; }
.next-icon { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--navy-50); color: var(--navy-700); flex: none; }
.review-section { margin-top: 2rem; }
.review-list { display: grid; gap: .6rem; margin-top: .9rem; }
.review-item { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); box-shadow: var(--shadow-1); overflow: hidden; }
.review-item > summary { list-style: none; padding: .85rem 1.1rem; display: flex; gap: .75rem; align-items: center; cursor: pointer; transition: background-color var(--dur-1); }
.review-item > summary:hover { background: var(--navy-50); }
.review-item > summary::-webkit-details-marker { display: none; }
.review-item > summary::after { content: ''; width: .5rem; height: .5rem; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform var(--dur-2) var(--ease); margin-left: .25rem; }
.review-item[open] > summary::after { transform: rotate(-135deg); }
.review-item[open] > summary { border-bottom: 1px solid var(--line); }
.review-body { padding: 1.1rem; animation: pop var(--dur-2) var(--ease); }
.mark { width: 1.6rem; height: 1.6rem; border-radius: 50%; display: grid; place-items: center; font-weight: 700; color: #fff; flex: none; font-size: .85rem; }
.mark.ok { background: var(--ok); } .mark.bad { background: var(--bad); } .mark.skip { background: var(--muted); }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: .4rem 1rem; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

/* ---------- admin ---------- */
.toolbar { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin-bottom: 1rem; padding: .75rem; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); }
.toolbar > * { flex: 0 1 auto; width: auto; }
.toolbar input[type=search] { min-width: min(16rem, 100%); flex: 1 1 14rem; }
.issues { list-style: none; padding: 0; margin: 0; display: grid; gap: .35rem; }
.issues li { padding: .5rem .7rem; border-radius: var(--r-sm); font-size: .9rem; }
.issues .error { background: var(--bad-soft); color: #7a1a12; }
.issues .warning { background: var(--warn-soft); color: #4d3300; }
.choice-edit { display: grid; grid-template-columns: auto 2rem 1fr; gap: .5rem; align-items: center; }
.preview { border: 1.5px dashed var(--navy-200); border-radius: var(--r-lg); padding: 1.1rem; background: var(--paper); }
.preview-label { display: inline-flex; align-items: center; gap: .4rem; font-size: .85rem; font-weight: 600; color: var(--navy-700); margin-bottom: .75rem; }

@media print { .app-header, .runner-bar, .runner-foot { display: none; } }
.topic-row > span:first-child .muted.small { display: block; }
.question .row:first-child { flex-wrap: nowrap; }
.question .row:first-child > .muted { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 720px) {
  .runner-body { padding: .9rem .75rem; }
  .question, .passage { padding: 1.1rem; border-radius: var(--r); }
  .stem { font-size: 1.05rem; }
  /* Keep the bottom bar compact: one scrollable row of question numbers, then the actions. */
  .runner-foot-inner { gap: .45rem; padding: .5rem .75rem calc(.5rem + env(safe-area-inset-bottom)); }
  .runner-foot .palette { order: -1; flex: 1 1 100%; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; padding-bottom: .1rem; }
  .runner-foot .palette button { flex: none; }
  .runner-foot .btn { min-height: 40px; padding: .4rem .75rem; }
  .runner-foot .btn-primary { min-width: 6rem; }
  .runner-foot .spacer { display: none; }
  .runner-foot-inner > .btn-primary { margin-left: auto; }
}
input[type=file] { font-size: .9rem; color: var(--ink-2); max-width: 100%; }
input[type=file]::file-selector-button { margin-right: .75rem; padding: .5rem .9rem; border: 1px solid var(--line-strong); border-radius: var(--r); background: var(--surface); color: var(--navy-900); font: 600 .875rem var(--font-sans); cursor: pointer; transition: border-color var(--dur-1); }
input[type=file]::file-selector-button:hover { border-color: var(--navy-600); }
.auth-foot a { color: #fff; }
.feedback.notice { display: block; }
.question .row:first-child .btn { flex: none; white-space: nowrap; }
table.nowrap td, table.nowrap th { white-space: nowrap; }