/* Rivaesa - single stylesheet, no build step. */

:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-alt: #f8f9fb;
  --border: #e2e5ea;
  --border-strong: #cbd1da;
  --text: #1c2431;
  --text-muted: #5d6779;
  --accent: #0E7490;
  --accent-dark: #155E75;
  --accent-soft: #E3F2F5;
  --accent-border: #B7DEE5;
  --success: #17794a;
  --success-soft: #e7f6ee;
  --danger: #b22638;
  --danger-soft: #fdecee;
  --warning: #9a5b06;
  --warning-soft: #fdf3e2;
  /* One color per exam level, so PSLE/JC/BGCSE/IGCSE stay visually distinct
     wherever they appear side by side (category tiles, badges). */
  --psle: #b8551f;
  --psle-soft: #fbe7d9;
  --jc: #0d7a7c;
  --jc-soft: #dff3f3;
  --bgcse: #5f3b95;
  --bgcse-soft: #efe7fa;
  --igcse: #1d6f42;
  --igcse-soft: #e2f3e9;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 12px rgba(16, 24, 40, .04);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5rem; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.02rem; }
p { margin: 0 0 .75rem; }

/* ------------------------------------------------------------- layout -- */

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 40;
}
.topbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: .6rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.brand { display: flex; align-items: center; gap: .55rem; color: var(--text); font-weight: 650; }
.brand:hover { text-decoration: none; }
.brand-mark {
  display: grid; place-items: center;
  width: 30px; height: 30px;
  border-radius: 8px;
  background: var(--accent); color: #fff;
  flex: none;
}
.brand-mark svg { width: 55%; height: auto; }
.brand-name { font-size: .97rem; }

.topnav { display: flex; gap: .25rem; margin-left: auto; align-items: center; flex-wrap: wrap; }
.topnav a {
  color: var(--text-muted);
  padding: .4rem .7rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
}
.topnav a:hover { background: var(--surface-alt); color: var(--text); text-decoration: none; }
.topnav a.button { color: #fff; }

.topbar-user { position: relative; }
.user-menu > summary {
  list-style: none;
  cursor: pointer;
  display: flex; align-items: center; gap: .5rem;
  padding: .3rem .5rem;
  border-radius: var(--radius-sm);
}
.user-menu > summary::-webkit-details-marker { display: none; }
.user-menu > summary:hover { background: var(--surface-alt); }
.avatar {
  display: grid; place-items: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent-dark);
  font-weight: 650; font-size: .8rem;
}
.user-name { font-size: .88rem; font-weight: 500; }
.user-menu-panel {
  position: absolute; right: 0; top: calc(100% + .35rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: .65rem;
  min-width: 210px;
  display: grid; gap: .3rem;
}
.user-menu-email { font-size: .82rem; color: var(--text-muted); margin: 0 0 .2rem; word-break: break-all; }
.user-menu-panel a, .user-menu-panel .link-button {
  padding: .4rem .5rem; border-radius: var(--radius-sm);
  font-size: .88rem; text-align: left; width: 100%;
}
.user-menu-panel a:hover, .user-menu-panel .link-button:hover { background: var(--surface-alt); text-decoration: none; }

.page { max-width: 1120px; width: 100%; margin: 0 auto; padding: 1.75rem 1.25rem 3rem; flex: 1; }
.page-wide { max-width: 1240px; }

.footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 1rem 1.25rem;
  text-align: center;
  color: var(--text-muted);
  font-size: .82rem;
}
.footer p { margin: 0; }

/* --------------------------------------------------------------- bits -- */

.page-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap; margin-bottom: 1.25rem;
}
.page-head p { color: var(--text-muted); margin: 0; }
.page-head h1 { margin-bottom: .15rem; }
.head-actions { display: flex; gap: .5rem; flex-wrap: wrap; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}
.card + .card { margin-top: 1rem; }
.card-title { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .9rem; flex-wrap: wrap; }
.card-title h2 { margin: 0; }
.muted { color: var(--text-muted); }
.small { font-size: .85rem; }
.tiny { font-size: .78rem; }
.center { text-align: center; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.stack { display: grid; gap: 1rem; }
.row { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }

.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(175px, 1fr)); }

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .9rem 1rem;
}
.stat-value { font-size: 1.55rem; font-weight: 680; letter-spacing: -.02em; line-height: 1.1; }
.stat-label { color: var(--text-muted); font-size: .82rem; margin-top: .15rem; }
.stat-label .title-icon { margin-right: .25rem; font-size: .95em; }
/* A little color so the dashboard reads as "how am I doing" at a glance,
   not a row of identical grey tiles. */
.stat-accent { background: var(--accent-soft); border-color: var(--accent-border); }
.stat-accent .stat-value { color: var(--accent-dark); }
.stat-good { background: var(--success-soft); border-color: #bfe3d0; }
.stat-good .stat-value { color: var(--success); }
.stat-bad { background: var(--danger-soft); border-color: #f3c8ce; }
.stat-bad .stat-value { color: var(--danger); }

/* ------------------------------------------------------------ buttons -- */

.button, button.button, .link-button {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  font: inherit; font-weight: 550; font-size: .9rem;
  padding: .5rem .95rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--accent); color: #fff;
  cursor: pointer;
  transition: background .12s ease, border-color .12s ease;
}
.button:hover { background: var(--accent-dark); text-decoration: none; color: #fff; }
.button:disabled, .button[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
.button-secondary { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.button-secondary:hover { background: var(--surface-alt); color: var(--text); }
.button-danger { background: var(--danger); }
.button-danger:hover { background: #8e1c2c; }
.button-small { padding: .32rem .65rem; font-size: .82rem; }
.button-block { width: 100%; }
.link-button { background: none; border: none; color: var(--accent); padding: 0; font-weight: 500; }
.link-button:hover { background: none; text-decoration: underline; }
.link-danger { color: var(--danger); }

/* -------------------------------------------------------------- forms -- */

.field { margin-bottom: .9rem; }
.field > label, .field-label {
  display: block; font-size: .86rem; font-weight: 550; margin-bottom: .3rem;
}
.field .hint { color: var(--text-muted); font-size: .8rem; margin: .3rem 0 0; }

input[type=text], input[type=email], input[type=password], input[type=number],
input[type=search], select, textarea {
  width: 100%;
  font: inherit; font-size: .92rem;
  padding: .5rem .65rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  border-color: var(--accent);
}
textarea { resize: vertical; min-height: 90px; line-height: 1.5; }
textarea.code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .85rem; }

.checkbox, .radio { display: flex; align-items: flex-start; gap: .55rem; cursor: pointer; font-size: .9rem; }
.checkbox input, .radio input { margin: .25rem 0 0; flex: none; width: 16px; height: 16px; accent-color: var(--accent); }

.form-grid { display: grid; gap: 0 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.form-actions { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; margin-top: 1rem; }

.inline-form { display: inline; }

/* ------------------------------------------------------------ notices -- */

.flash, .notice {
  padding: .7rem .95rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  margin-bottom: 1.1rem;
  font-size: .9rem;
}
.flash-success, .notice-success { background: var(--success-soft); border-color: #bfe3d0; color: var(--success); }
.flash-error, .notice-error { background: var(--danger-soft); border-color: #f3c8ce; color: var(--danger); }
.notice-warning { background: var(--warning-soft); border-color: #f0dcb8; color: var(--warning); }
.notice-info { background: var(--accent-soft); border-color: var(--accent-border); color: var(--accent-dark); }
.notice ul { margin: .4rem 0 0; padding-left: 1.1rem; }

.badge {
  display: inline-block;
  padding: .12rem .5rem;
  border-radius: 999px;
  font-size: .74rem;
  font-weight: 600;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.badge-live { background: var(--success-soft); color: var(--success); border-color: #bfe3d0; }
.badge-draft { background: var(--warning-soft); color: var(--warning); border-color: #f0dcb8; }
.badge-admin { background: var(--accent-soft); color: var(--accent-dark); border-color: var(--accent-border); }
.badge-pass { background: var(--success-soft); color: var(--success); border-color: #bfe3d0; }
.badge-fail { background: var(--danger-soft); color: var(--danger); border-color: #f3c8ce; }
.badge-notify {
  background: var(--danger); color: #fff; border-color: var(--danger);
  padding: .05rem .4rem; font-size: .7rem; min-width: 1.1em; text-align: center;
}
.badge-cat-PSLE { background: var(--psle-soft); color: var(--psle); border-color: #f0d2b8; }
.badge-cat-JC { background: var(--jc-soft); color: var(--jc); border-color: #bfe4e4; }
.badge-cat-BGCSE { background: var(--bgcse-soft); color: var(--bgcse); border-color: #dccbf2; }
.badge-cat-IGCSE { background: var(--igcse-soft); color: var(--igcse); border-color: #bfe0cc; }

/* ------------------------------------------------------------- inbox -- */

.inbox-list { display: grid; gap: .75rem; }
.inbox-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .75rem .9rem;
}
.inbox-item.is-unread { background: var(--accent-soft); border-color: var(--accent-border); }
.inbox-item-head { display: flex; align-items: center; gap: .5rem; justify-content: space-between; }
.inbox-item-body { margin: .35rem 0 .25rem; }

/* -------------------------------------------------------------- table -- */

.table-wrap { overflow-x: auto; margin: 0 -1.25rem; padding: 0 1.25rem; }
table { width: 100%; border-collapse: collapse; font-size: .89rem; }
th, td { text-align: left; padding: .6rem .7rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); font-weight: 600; }
tbody tr:hover { background: var(--surface-alt); }
td.actions { white-space: nowrap; text-align: right; }
td.actions > * { margin-left: .5rem; }

.empty { text-align: center; padding: 2.5rem 1rem; color: var(--text-muted); }
.empty h3 { color: var(--text); }

/* ---------------------------------------------------------- auth page -- */

.auth-wrap { max-width: 420px; margin: 3rem auto; }
.hero-band + .auth-wrap { margin-top: 1.5rem; }
.auth-wrap .card { padding: 1.6rem; }
.auth-head { text-align: center; margin-bottom: 1.4rem; }
.auth-head .brand-mark { width: 40px; height: 40px; font-size: .95rem; margin: 0 auto .7rem; }
.auth-alt { text-align: center; margin-top: 1rem; font-size: .88rem; color: var(--text-muted); }

.hero-band {
  position: relative;
  overflow: hidden;
  max-width: 420px;
  margin: 2rem auto 0;
  padding: 2rem 1.6rem 1.6rem;
  border-radius: 20px;
  background: #0B1F26;
  color: #F2FAFB;
  text-align: center;
}
.hero-glow {
  position: absolute;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: var(--accent);
  opacity: .18;
  top: -120px; right: -80px;
}
.hero-mark {
  position: relative;
  width: 56px; height: 56px;
  border-radius: 16px;
  background: var(--accent-dark);
  display: grid; place-items: center;
  margin: 0 auto .9rem;
  box-shadow: 0 8px 18px rgba(0,0,0,.35);
}
.hero-mark svg { width: 60%; height: auto; }
.hero-title {
  position: relative;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: .3rem;
}
.hero-tagline { position: relative; color: #C9DEE2; font-size: .92rem; margin-bottom: 1rem; }
.hero-pills { position: relative; display: flex; justify-content: center; gap: .5rem; flex-wrap: wrap; }
.hero-pill {
  padding: .4rem .85rem;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  color: #E7F1F3;
  font-size: .78rem;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: 1.1rem 0 .9rem;
  color: var(--text-muted);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.google-signin-button { display: flex; justify-content: center; }

/* ------------------------------------------------------ category tiles -- */

.category-picker {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: .6rem;
}
.category-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: .3rem;
  padding: 1rem .6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  transition: border-color .12s ease, background .12s ease, transform .12s ease;
}
.category-tile:hover { border-color: var(--accent); transform: translateY(-1px); }
.category-tile input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.category-tile-icon {
  font-size: 1.8rem;
  line-height: 1;
  display: inline-block;
  animation: icon-bob 2.6s ease-in-out infinite;
}
.category-tile-code { font-weight: 650; font-size: .95rem; }
.category-tile-label { font-size: .72rem; color: var(--text-muted); line-height: 1.3; }
.category-tile.is-selected,
.category-tile:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.category-tile.is-selected .category-tile-icon,
.category-tile:has(input:checked) .category-tile-icon {
  animation: icon-pop .4s ease;
}
.category-tile:hover .category-tile-icon { animation: icon-wiggle .5s ease-in-out; }
.category-tile input:focus-visible ~ * { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Each exam level keeps its own color rather than the generic accent blue,
   so PSLE/JC/BGCSE/IGCSE read as distinct choices, not four copies of one tile. */
.category-tile[data-category="PSLE"]:hover { border-color: var(--psle); }
.category-tile[data-category="PSLE"].is-selected,
.category-tile[data-category="PSLE"]:has(input:checked) { border-color: var(--psle); background: var(--psle-soft); }
.category-tile[data-category="JC"]:hover { border-color: var(--jc); }
.category-tile[data-category="JC"].is-selected,
.category-tile[data-category="JC"]:has(input:checked) { border-color: var(--jc); background: var(--jc-soft); }
.category-tile[data-category="BGCSE"]:hover { border-color: var(--bgcse); }
.category-tile[data-category="BGCSE"].is-selected,
.category-tile[data-category="BGCSE"]:has(input:checked) { border-color: var(--bgcse); background: var(--bgcse-soft); }
.category-tile[data-category="IGCSE"]:hover { border-color: var(--igcse); }
.category-tile[data-category="IGCSE"].is-selected,
.category-tile[data-category="IGCSE"]:has(input:checked) { border-color: var(--igcse); background: var(--igcse-soft); }

/* -------------------------------------------------------- exam cards -- */

.subject-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--card-accent, var(--border));
  border-radius: var(--radius);
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
  transition: border-color .12s ease, transform .12s ease;
}
.subject-card:hover {
  text-decoration: none;
  border-color: var(--card-accent, var(--accent));
  transform: translateY(-1px);
}
.subject-card .subject-icon { background: var(--card-accent-soft, var(--accent-soft)); }
.subject-card .progress > span { background: var(--card-accent, var(--accent)); }
.subject-head { display: flex; align-items: center; justify-content: space-between; gap: .6rem; }
.subject-head h3 { margin: 0; flex: 1; }
.subject-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  font-size: 1.35rem;
  line-height: 1;
  overflow: hidden;
}
.subject-icon span,
.title-icon { display: inline-block; animation: icon-bob 3s ease-in-out infinite; }
.title-icon { margin-right: .15rem; }
.subject-card:hover .subject-icon span,
.subject-icon:hover span { animation: icon-wiggle .5s ease-in-out; }
h1:hover .title-icon,
h3:hover .title-icon { animation: icon-wiggle .5s ease-in-out; }

@keyframes icon-bob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-3px) rotate(-4deg); }
}
@keyframes icon-wiggle {
  0%, 100% { transform: rotate(0deg) scale(1); }
  25% { transform: rotate(-14deg) scale(1.12); }
  50% { transform: rotate(10deg) scale(1.12); }
  75% { transform: rotate(-6deg) scale(1.08); }
}
@keyframes icon-pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.35) rotate(-8deg); }
  70% { transform: scale(.92) rotate(4deg); }
  100% { transform: scale(1) rotate(0deg); }
}
@media (prefers-reduced-motion: reduce) {
  .subject-icon span, .title-icon, .category-tile-icon {
    animation: none !important;
  }
}
.subject-count {
  flex: none;
  display: grid;
  place-items: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0 .45rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: .85rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.exam-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--card-accent, var(--border));
  border-radius: var(--radius);
  padding: 1.1rem;
  display: flex; flex-direction: column; gap: .6rem;
  box-shadow: var(--shadow);
}
.exam-card h3 { margin: 0; }
.exam-meta { display: flex; flex-wrap: wrap; gap: .35rem .9rem; color: var(--text-muted); font-size: .82rem; }
.exam-card .button { margin-top: auto; }

.progress { height: 6px; background: var(--border); border-radius: 999px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--accent); }
.progress.is-pass > span { background: var(--success); }
.progress.is-fail > span { background: var(--danger); }

/* ------------------------------------------------------- exam runner -- */

.exam-layout { display: grid; grid-template-columns: 1fr 250px; gap: 1.25rem; align-items: start; }
@media (max-width: 900px) { .exam-layout { grid-template-columns: 1fr; } }

.exam-sidebar { position: sticky; top: 4.2rem; display: grid; gap: .9rem; }
@media (max-width: 900px) { .exam-sidebar { position: static; } }

.timer {
  font-variant-numeric: tabular-nums;
  font-size: 1.7rem;
  font-weight: 680;
  letter-spacing: -.02em;
  text-align: center;
  line-height: 1.1;
}
.timer.is-warning { color: var(--warning); }
.timer.is-critical { color: var(--danger); }

.qnav { display: grid; grid-template-columns: repeat(auto-fill, minmax(34px, 1fr)); gap: .3rem; }
.qnav a {
  display: grid; place-items: center;
  aspect-ratio: 1;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: .78rem; font-weight: 600;
  color: var(--text-muted);
  background: var(--surface);
}
.qnav a:hover { text-decoration: none; border-color: var(--accent); }
.qnav a.is-unanswered {
  background: var(--danger-soft);
  border-color: #f0bcc4;
  color: var(--danger);
}
.qnav a.is-answered { background: var(--accent-soft); border-color: var(--accent-border); color: var(--accent-dark); }
.qnav a.is-current,
.qnav a.is-unanswered.is-current {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 2px var(--accent-soft);
}

.qnav-legend {
  display: flex;
  flex-wrap: wrap;
  gap: .1rem .6rem;
  margin: .55rem 0 0;
}
.qnav-legend > span { display: inline-flex; align-items: center; }
.qnav-key {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 3px;
  margin-right: .3rem;
}
.qnav-key-answered { background: var(--accent-soft); border: 1px solid var(--accent-border); }
.qnav-key-unanswered { background: var(--danger-soft); border: 1px solid #f0bcc4; }
.qnav-key-current { background: var(--accent); }

/* ------------------------------------------------- one question at a time -- */

[hidden] { display: none !important; }

.pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-top: .9rem;
  padding: .75rem .9rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.pager .button { min-width: 116px; }
.pager .button:disabled { opacity: .4; }
.pager-count {
  margin: 0;
  font-size: .87rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  text-align: center;
}
.pager-count strong { color: var(--text); font-weight: 650; }
/* `button.button` above is more specific than a lone class, so match both. */
.button.button-finish, button.button.button-finish { background: var(--success); }
.button.button-finish:hover, button.button.button-finish:hover { background: #0f6440; }


@media (max-width: 560px) {
  .pager { gap: .5rem; padding: .6rem; }
  .pager .button { min-width: 0; flex: 1; padding-inline: .6rem; }
  .pager-count { flex: none; font-size: .8rem; }
}

.question {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem;
  box-shadow: var(--shadow);
  scroll-margin-top: 4.5rem;
}
.question + .question { margin-top: .9rem; }
.question-head { display: flex; gap: .7rem; align-items: baseline; margin-bottom: .8rem; }
.question-number {
  flex: none;
  font-weight: 680; font-size: .82rem;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  padding: .1rem .45rem;
}
.question-text { margin: 0; font-size: 1rem; white-space: pre-wrap; }
.question-hint { font-size: .8rem; color: var(--text-muted); margin: .3rem 0 0; }

.question-figure {
  margin: 0 0 .9rem;
  padding: .6rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-align: center;
}
.question-figure img {
  max-width: 100%;
  height: auto;
  mix-blend-mode: multiply;
}

.figure-thumb {
  display: block;
  max-width: 260px;
  max-height: 150px;
  width: auto;
  margin-top: .45rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
}

.options { display: grid; gap: .45rem; }
.option {
  display: flex; gap: .65rem; align-items: flex-start;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: .6rem .75rem;
  cursor: pointer;
  background: var(--surface);
  transition: border-color .12s ease, background .12s ease;
}
.option:hover { border-color: var(--accent); background: var(--accent-soft); }
.option input { margin: .2rem 0 0; flex: none; width: 16px; height: 16px; accent-color: var(--accent); }
.option:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.option-label { font-weight: 650; flex: none; min-width: 1.1rem; color: var(--text-muted); }
.option:has(input:checked) .option-label { color: var(--accent-dark); }
.option-text { flex: 1; }

/* ----------------------------------------------------------- results -- */

.score-hero {
  display: grid; grid-template-columns: auto 1fr; gap: 1.5rem; align-items: center;
}
@media (max-width: 620px) { .score-hero { grid-template-columns: 1fr; } }
.score-dial {
  --size: 132px;
  width: var(--size); height: var(--size);
  border-radius: 50%;
  display: grid; place-items: center;
  background: conic-gradient(var(--dial-color) calc(var(--pct) * 1%), var(--border) 0);
  position: relative;
}
.score-dial::after {
  content: ''; position: absolute; inset: 10px; border-radius: 50%; background: var(--surface);
}
.score-dial-inner { position: relative; z-index: 1; text-align: center; }
.score-dial-value { font-size: 1.75rem; font-weight: 700; letter-spacing: -.02em; line-height: 1; }
.score-dial-label { font-size: .75rem; color: var(--text-muted); }

.review-question { border-left: 4px solid var(--border); }
.review-question.is-correct { border-left-color: var(--success); }
.review-question.is-wrong { border-left-color: var(--danger); }
.review-question.is-blank { border-left-color: var(--warning); }

.option.is-correct-answer { border-color: var(--success); background: var(--success-soft); }
.option.is-wrong-answer { border-color: var(--danger); background: var(--danger-soft); }
.option-tag { font-size: .74rem; font-weight: 650; padding: .05rem .45rem; border-radius: 999px; flex: none; }
.option-tag.correct { background: var(--success); color: #fff; }
.option-tag.wrong { background: var(--danger); color: #fff; }
.option-tag.chosen { background: var(--border-strong); color: var(--text); }

.explanation {
  margin-top: .8rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .65rem .8rem;
  font-size: .88rem;
}
.explanation strong { display: block; margin-bottom: .15rem; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); }

/* -------------------------------------------------------------- tabs -- */

/* ------------------------------------------------------- file upload -- */

.upload-drop {
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface-alt);
  padding: 1.1rem;
  margin-bottom: 1rem;
}
.upload-drop .field-label { margin-bottom: .5rem; font-size: .92rem; }
.upload-drop input[type=file] {
  display: block;
  width: 100%;
  font: inherit;
  font-size: .9rem;
  color: var(--text);
}
.upload-drop input[type=file]::file-selector-button {
  font: inherit;
  font-size: .88rem;
  font-weight: 550;
  margin-right: .7rem;
  padding: .45rem .85rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
.upload-drop input[type=file]::file-selector-button:hover { background: var(--accent-dark); }
.upload-drop .hint { margin-top: .5rem; }

.or-divider {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: 1.1rem 0;
  color: var(--text-muted);
  font-size: .82rem;
}
.or-divider::before, .or-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.tabs { display: flex; gap: .25rem; border-bottom: 1px solid var(--border); margin-bottom: 1.1rem; flex-wrap: wrap; }
.tab {
  padding: .5rem .85rem;
  border: 1px solid transparent; border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  font-size: .89rem; font-weight: 550;
  color: var(--text-muted);
  cursor: pointer;
  background: none;
  font-family: inherit;
  margin-bottom: -1px;
}
.tab:hover { color: var(--text); background: var(--surface-alt); }
.tab.is-active {
  background: var(--surface);
  border-color: var(--border);
  color: var(--accent-dark);
  border-bottom: 1px solid var(--surface);
}
.tab-panel { display: none; }
.tab-panel.is-active { display: block; }

details.help { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .6rem .8rem; background: var(--surface-alt); }
details.help summary { cursor: pointer; font-weight: 550; font-size: .88rem; }
details.help pre {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: .7rem; overflow-x: auto; font-size: .8rem; line-height: 1.45;
}

.preview-list { display: grid; gap: .6rem; }
.preview-item {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: .8rem .9rem; background: var(--surface);
}
.preview-item ul { margin: .45rem 0 0; padding-left: 1.1rem; font-size: .88rem; }
.preview-item li.correct { color: var(--success); font-weight: 600; }
.preview-head { display: flex; gap: .6rem; align-items: flex-start; }

/* ------------------------------------------------------------- phones -- */

@media (max-width: 560px) {
  .topbar-inner { padding: .5rem .85rem; gap: .5rem; }
  .brand-name { display: none; }
  .topnav { gap: 0; }
  .topnav a { padding: .35rem .45rem; font-size: .85rem; }
  .user-name { display: none; }
  .page { padding: 1.1rem .85rem 2.5rem; }
  .page-head { margin-bottom: 1rem; }
  h1 { font-size: 1.35rem; }
  .card { padding: 1rem .9rem; }
  .table-wrap { margin: 0 -.9rem; padding: 0 .9rem; }
  .score-dial { --size: 112px; }
  .head-actions { width: 100%; }
  .head-actions .button { flex: 1; }
}

@media print {
  .topbar, .footer, .head-actions, .button, .qnav { display: none !important; }
  body { background: #fff; }
  .card, .question { box-shadow: none; break-inside: avoid; }
}