:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-soft: #0b1728;
  --surface: #101f32;
  --surface-2: #13263c;
  --surface-3: #172c45;
  --line: rgba(194, 215, 239, .13);
  --line-strong: rgba(194, 215, 239, .22);
  --text: #f4f8fc;
  --muted: #9eb0c7;
  --muted-2: #7288a4;
  --primary: #65e1b6;
  --primary-strong: #36c997;
  --primary-ink: #052419;
  --accent: #87a9ff;
  --warning: #ffcf68;
  --danger: #ff7d83;
  --success: #65e1b6;
  --shadow: 0 24px 64px rgba(0, 0, 0, .30);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --sidebar: 250px;
  --topbar: 76px;
  --max: 1440px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f3f6f9;
  --bg-soft: #eaf0f5;
  --surface: #ffffff;
  --surface-2: #f7fafc;
  --surface-3: #eef4f8;
  --line: rgba(18, 39, 65, .11);
  --line-strong: rgba(18, 39, 65, .19);
  --text: #102238;
  --muted: #536980;
  --muted-2: #718398;
  --primary: #20b486;
  --primary-strong: #129a70;
  --primary-ink: #ffffff;
  --accent: #416eea;
  --warning: #9e6500;
  --danger: #c83d49;
  --success: #148a64;
  --shadow: 0 22px 55px rgba(24, 48, 78, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 80% -20%, rgba(101, 225, 182, .10), transparent 35%),
    radial-gradient(circle at 10% 10%, rgba(135, 169, 255, .08), transparent 32%),
    var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button { color: inherit; }
a { color: inherit; }
button, a, input, select { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 58%, transparent);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -100px;
  z-index: 1000;
  background: var(--primary);
  color: var(--primary-ink);
  padding: 10px 16px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 800;
}
.skip-link:focus { top: 12px; }

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--topbar);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 26px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px;
  border-radius: 13px;
  display: grid; place-items: center;
  font-weight: 950;
  font-size: 18px;
  letter-spacing: -.06em;
  background: var(--primary);
  color: var(--primary-ink);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--primary) 25%, transparent);
}
.brand-mark span { font-size: 12px; vertical-align: super; }
.brand-name { font-weight: 900; letter-spacing: .02em; line-height: 1.1; }
.brand-sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.verified-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}
.verified-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 5px color-mix(in srgb, var(--primary) 12%, transparent); }
.icon-btn {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
  font-weight: 900;
}
.icon-btn:hover { border-color: var(--line-strong); background: var(--surface-2); }

.app-shell { display: grid; grid-template-columns: var(--sidebar) 1fr; min-height: 100vh; padding-top: var(--topbar); }
.sidebar {
  position: fixed;
  top: var(--topbar); bottom: 0; left: 0;
  width: var(--sidebar);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-soft) 92%, transparent);
  padding: 20px 14px 18px;
  overflow-y: auto;
}
.nav-list { display: grid; gap: 6px; }
.nav-item {
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--muted);
  display: grid;
  grid-template-columns: 26px 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 12px 12px;
  text-align: left;
  cursor: pointer;
  font-weight: 700;
}
.nav-item > span:first-child { font-size: 17px; text-align: center; color: var(--muted-2); }
.nav-item:hover { color: var(--text); background: var(--surface); }
.nav-item.is-active { color: var(--text); background: var(--surface-2); box-shadow: inset 3px 0 var(--primary); }
.nav-item.is-active > span:first-child { color: var(--primary); }
.nav-count { min-width: 24px; padding: 1px 7px; border-radius: 999px; text-align: center; font-size: 11px; background: var(--surface-3); color: var(--muted); }
.sidebar-foot { border-top: 1px solid var(--line); padding: 18px 8px 0; display: grid; gap: 10px; }
.mini-progress { margin-bottom: 4px; }
.mini-progress-head { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.mini-progress-head strong { color: var(--text); }
.track { height: 7px; border-radius: 999px; background: var(--surface-3); overflow: hidden; }
.track span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: inherit; transition: width .35s ease; }
.track.large { height: 9px; }
.text-btn, .link-btn {
  appearance: none;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--accent);
  font-weight: 750;
  cursor: pointer;
  text-decoration: none;
}
.text-btn { text-align: left; font-size: 12px; color: var(--muted); }
.text-btn:hover, .link-btn:hover { color: var(--primary); }
.file-label { cursor: pointer; }

.main-content {
  grid-column: 2;
  min-width: 0;
  width: 100%;
  max-width: calc(var(--max) + 72px);
  margin: 0 auto;
  padding: 38px 36px 80px;
}
.view { display: none; animation: fadeIn .22s ease; }
.view.is-active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

h1, h2, h3, p { margin-top: 0; }
h1 { letter-spacing: -.045em; line-height: 1.05; }
h2 { letter-spacing: -.025em; line-height: 1.2; }
.eyebrow { color: var(--primary); font-size: 11px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, .55fr);
  gap: 28px;
  align-items: stretch;
  margin-bottom: 26px;
}
.hero-copy {
  min-height: 390px;
  padding: 56px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--surface-2) 95%, transparent), color-mix(in srgb, var(--surface) 88%, transparent)),
    var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.hero-copy::after {
  content: '';
  position: absolute;
  width: 280px; height: 280px;
  border-radius: 50%;
  right: -80px; bottom: -120px;
  background: radial-gradient(circle, color-mix(in srgb, var(--primary) 20%, transparent), transparent 67%);
  pointer-events: none;
}
.hero-copy h1 { font-size: clamp(40px, 5vw, 68px); margin: 14px 0 20px; max-width: 850px; }
.hero-copy h1 span { color: var(--muted); }
.hero-text { max-width: 720px; color: var(--muted); font-size: 17px; line-height: 1.7; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }

.btn {
  appearance: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 10px 18px;
  text-decoration: none;
  font-weight: 850;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, opacity .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn-primary { background: var(--primary); color: var(--primary-ink); box-shadow: 0 10px 28px color-mix(in srgb, var(--primary) 16%, transparent); }
.btn-primary:hover { background: var(--primary-strong); }
.btn-secondary { background: var(--surface-2); border-color: var(--line); color: var(--text); }
.btn-secondary:hover { border-color: var(--line-strong); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-large { min-height: 54px; padding-inline: 24px; font-size: 16px; }
.btn-full { width: 100%; }

.hero-score-card {
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 30px;
}
.score-ring {
  --progress: 0deg;
  width: 190px; height: 190px;
  border-radius: 50%;
  background: conic-gradient(var(--primary) var(--progress), var(--surface-3) 0);
  display: grid;
  place-items: center;
  position: relative;
}
.score-ring::before { content: ''; position: absolute; inset: 14px; border-radius: 50%; background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); }
.score-ring > div { position: relative; display: grid; text-align: center; }
.score-ring strong { font-size: 38px; letter-spacing: -.05em; }
.score-ring span { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .10em; }
.score-card-stats { width: 100%; display: grid; grid-template-columns: repeat(3, 1fr); text-align: center; }
.score-card-stats > div { padding: 0 8px; border-right: 1px solid var(--line); }
.score-card-stats > div:last-child { border-right: 0; }
.score-card-stats strong { display: block; font-size: 18px; }
.score-card-stats span { color: var(--muted); font-size: 11px; }

.correction-banner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--warning) 27%, var(--line));
  background: color-mix(in srgb, var(--warning) 8%, var(--surface));
  margin-bottom: 24px;
}
.correction-icon { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--warning) 20%, transparent); color: var(--warning); font-weight: 950; font-size: 20px; }
.correction-banner strong { color: var(--warning); }
.correction-banner p { margin: 4px 0 0; color: var(--muted); }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); padding: 22px; }
.stat-card strong { display: block; font-size: 34px; letter-spacing: -.05em; margin: 5px 0 1px; }
.stat-card p { color: var(--muted); margin: 0; font-size: 12px; }
.stat-kicker { color: var(--primary); font-size: 10px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }

.dashboard-grid { display: grid; grid-template-columns: minmax(0, 1.8fr) minmax(280px, .7fr); gap: 20px; margin-bottom: 20px; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-xl); padding: 26px; box-shadow: 0 12px 34px rgba(0,0,0,.08); }
.panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 22px; }
.panel-head h2 { margin: 5px 0 0; font-size: 23px; }
.category-progress { display: grid; gap: 15px; }
.category-row { display: grid; grid-template-columns: minmax(170px, 1.1fr) minmax(130px, 2fr) 54px; gap: 14px; align-items: center; }
.category-row .label { min-width: 0; }
.category-row .label strong { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 13px; }
.category-row .label span { color: var(--muted); font-size: 11px; }
.category-row .value { text-align: right; font-weight: 850; font-size: 12px; }
.panel-review { display: flex; flex-direction: column; }
.review-number { font-size: 80px; line-height: 1; letter-spacing: -.08em; font-weight: 950; color: var(--primary); margin: auto 0 12px; }
.panel-review p { color: var(--muted); }
.method-panel { display: grid; grid-template-columns: minmax(240px,.7fr) minmax(0,2fr); gap: 28px; align-items: start; }
.method-panel h2 { font-size: 30px; margin-top: 8px; }
.method-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.method-steps > div { background: var(--surface-2); border: 1px solid var(--line); border-radius: 15px; padding: 16px; }
.method-steps > div > span { color: var(--primary); font-size: 11px; font-weight: 900; }
.method-steps strong { display: block; margin: 8px 0 6px; }
.method-steps p { color: var(--muted); font-size: 12px; margin: 0; }

.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 22px; margin-bottom: 28px; }
.page-head h1 { font-size: clamp(36px, 5vw, 58px); margin: 7px 0 10px; }
.page-head p { color: var(--muted); font-size: 16px; margin: 0; max-width: 780px; }
.page-badge { flex: 0 0 auto; padding: 9px 13px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: 12px; font-weight: 800; }
.page-badge-alert { color: var(--warning); border-color: color-mix(in srgb, var(--warning) 35%, var(--line)); }
.page-badge-success { color: var(--success); border-color: color-mix(in srgb, var(--success) 35%, var(--line)); }

.setup-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(350px, .8fr); gap: 22px; }
.setup-panel h2 { font-size: 17px; margin: 0 0 14px; }
.setup-panel h2:not(:first-child) { margin-top: 30px; }
.segmented { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.segmented button { border: 1px solid var(--line); border-radius: 12px; background: var(--surface-2); padding: 11px 8px; cursor: pointer; font-weight: 800; }
.segmented button:hover { border-color: var(--line-strong); }
.segmented button.is-selected { background: color-mix(in srgb, var(--primary) 14%, var(--surface-2)); color: var(--primary); border-color: color-mix(in srgb, var(--primary) 45%, var(--line)); }
.check-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; }
.check-grid label, .check-row label { cursor: pointer; }
.check-grid label input, .check-row label input { position: absolute; opacity: 0; pointer-events: none; }
.check-grid label span, .check-row label span { display: block; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-2); padding: 10px 12px; color: var(--muted); font-size: 12px; font-weight: 750; }
.check-grid label input:checked + span, .check-row label input:checked + span { color: var(--primary); border-color: color-mix(in srgb, var(--primary) 40%, var(--line)); background: color-mix(in srgb, var(--primary) 10%, var(--surface-2)); }
.check-row { display: flex; gap: 8px; flex-wrap: wrap; }
.setup-row-actions { display: flex; gap: 14px; margin-top: 10px; }
.option-row { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); cursor: pointer; }
.option-row strong { display: block; margin-bottom: 4px; }
.option-row small { display: block; color: var(--muted); max-width: 520px; line-height: 1.5; }
.option-row input[type="checkbox"] { appearance: none; width: 46px; height: 26px; border-radius: 999px; background: var(--surface-3); border: 1px solid var(--line); position: relative; cursor: pointer; flex: 0 0 auto; transition: .2s ease; }
.option-row input[type="checkbox"]::after { content: ''; position: absolute; width: 18px; height: 18px; border-radius: 50%; background: var(--muted); left: 3px; top: 3px; transition: .2s ease; }
.option-row input[type="checkbox"]:checked { background: var(--primary); }
.option-row input[type="checkbox"]:checked::after { left: 23px; background: var(--primary-ink); }
.field-row { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); }
select, input[type="search"] { color: var(--text); border: 1px solid var(--line); background: var(--surface-2); border-radius: 11px; min-height: 42px; padding: 8px 12px; }
.setup-summary { margin: 24px 0 16px; padding: 14px; border-radius: 12px; background: var(--surface-2); color: var(--muted); font-size: 12px; }
.setup-summary strong { color: var(--text); }
.warning-box { margin: 22px 0; padding: 16px; border-radius: 14px; border: 1px solid color-mix(in srgb, var(--warning) 30%, var(--line)); background: color-mix(in srgb, var(--warning) 7%, var(--surface-2)); }
.warning-box strong { color: var(--warning); }
.warning-box p { color: var(--muted); margin: 5px 0 0; font-size: 12px; }

.exam-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.exam-brief { min-height: 470px; display: flex; flex-direction: column; justify-content: center; text-align: center; background: linear-gradient(160deg, color-mix(in srgb, var(--primary) 8%, var(--surface)), var(--surface)); }
.exam-number { font-size: 118px; line-height: .9; letter-spacing: -.09em; font-weight: 950; color: var(--primary); }
.exam-brief h2 { font-size: 28px; margin: 16px 0 8px; }
.exam-brief > p { max-width: 560px; margin: 0 auto; color: var(--muted); }
.exam-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 34px; }
.exam-facts > div { border: 1px solid var(--line); border-radius: 14px; background: var(--surface-2); padding: 14px 10px; }
.exam-facts strong { display: block; font-size: 19px; }
.exam-facts span { color: var(--muted); font-size: 10px; }

.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 22px; }
.review-action-card { text-align: center; }
.review-icon { width: 54px; height: 54px; margin: 0 auto 14px; display: grid; place-items: center; border-radius: 16px; background: var(--surface-2); color: var(--primary); font-size: 25px; }
.review-action-card h2 { font-size: 18px; margin-bottom: 4px; }
.review-action-card > strong { display: block; font-size: 56px; letter-spacing: -.06em; }
.review-action-card p { color: var(--muted); min-height: 46px; font-size: 12px; }
.schedule-list { display: grid; gap: 10px; }
.schedule-row { display: grid; grid-template-columns: minmax(0, 1.4fr) 100px 100px 130px; gap: 14px; align-items: center; padding: 13px 15px; border-radius: 13px; background: var(--surface-2); border: 1px solid var(--line); }
.schedule-row strong { font-size: 13px; }
.schedule-row span { color: var(--muted); font-size: 12px; }
.schedule-row .due-now { color: var(--warning); font-weight: 800; }

.bank-toolbar { display: grid; grid-template-columns: minmax(260px, 1.5fr) repeat(3, minmax(150px,.5fr)); gap: 10px; padding: 14px; border-radius: 16px; margin-bottom: 16px; }
.search-field { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--surface-2); border-radius: 11px; padding-left: 12px; color: var(--muted); }
.search-field input { border: 0; background: transparent; flex: 1; min-width: 0; padding-left: 0; }
.bank-list { display: grid; gap: 10px; }
.bank-item { border: 1px solid var(--line); background: var(--surface); border-radius: 16px; overflow: hidden; }
.bank-item summary { list-style: none; cursor: pointer; padding: 18px 20px; display: grid; grid-template-columns: auto 1fr auto; gap: 15px; align-items: start; }
.bank-item summary::-webkit-details-marker { display:none; }
.bank-index { width: 48px; height: 36px; display: grid; place-items: center; border-radius: 10px; background: var(--surface-2); color: var(--muted); font-size: 11px; font-weight: 900; }
.bank-question strong { display: block; font-size: 14px; }
.bank-question span { display: block; color: var(--muted); font-size: 11px; margin-top: 5px; }
.bank-expand { color: var(--muted); font-size: 22px; line-height: 1; transition: transform .2s ease; }
.bank-item[open] .bank-expand { transform: rotate(45deg); }
.bank-detail { padding: 0 20px 20px 83px; }
.bank-options { display: grid; gap: 7px; margin: 0 0 15px; padding: 0; list-style: none; }
.bank-options li { padding: 9px 12px; border-radius: 10px; background: var(--surface-2); color: var(--muted); font-size: 12px; }
.bank-options li.is-correct { color: var(--success); border: 1px solid color-mix(in srgb, var(--success) 30%, var(--line)); background: color-mix(in srgb, var(--success) 7%, var(--surface-2)); }
.bank-explanation { color: var(--muted); margin: 0 0 12px; }
.source-links { display: flex; gap: 8px; flex-wrap: wrap; }
.source-link { display: inline-flex; align-items: center; gap: 6px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 9px; color: var(--accent); text-decoration: none; font-size: 11px; font-weight: 750; }
.source-link:hover { border-color: var(--accent); }
.pagination { display: flex; justify-content: center; gap: 6px; flex-wrap: wrap; margin-top: 20px; }
.pagination button { min-width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); cursor: pointer; }
.pagination button.is-current { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }

.audit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.audit-card { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); padding: 22px; }
.audit-card > span { color: var(--success); font-weight: 950; }
.audit-card strong { display: block; font-size: 26px; margin-top: 10px; }
.audit-card p { color: var(--muted); margin: 2px 0 0; font-size: 12px; }
.source-actions { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-bottom: 14px; }
.source-actions h2 { margin-bottom: 3px; }
.source-actions p { margin: 0; color: var(--muted); }
.source-actions > div:last-child { display: flex; gap: 8px; flex-wrap: wrap; }
.source-note { border-radius: 13px; padding: 14px 16px; border: 1px solid var(--line); color: var(--muted); margin-bottom: 18px; background: var(--surface-2); }
.source-note strong { color: var(--text); }
.source-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.source-item { display: grid; grid-template-columns: 42px 1fr auto; gap: 12px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: 15px; padding: 14px; }
.source-item .source-num { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--surface-2); color: var(--primary); font-weight: 900; font-size: 11px; }
.source-item strong { display: block; font-size: 13px; }
.source-item small { color: var(--muted); }
.source-item a { color: var(--accent); text-decoration: none; font-size: 12px; font-weight: 800; }

.quiz-view { max-width: 1260px; margin: 0 auto; }
.quiz-topline { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px; margin-bottom: 18px; }
.back-btn { justify-self: start; border: 0; background: transparent; color: var(--muted); cursor: pointer; font-weight: 750; }
.quiz-mode { justify-self: center; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; font-size: 11px; color: var(--primary); }
.timer { justify-self: end; font-variant-numeric: tabular-nums; padding: 7px 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); font-weight: 900; }
.timer.is-low { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); }
.quiz-progress-row { display: grid; grid-template-columns: 155px 1fr; gap: 16px; align-items: center; margin-bottom: 22px; }
.quiz-progress-row > div:first-child { display: flex; justify-content: space-between; gap: 8px; }
.quiz-progress-row span { color: var(--muted); font-size: 11px; }
.quiz-layout { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 18px; align-items: start; }
.question-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-xl); padding: 34px; box-shadow: var(--shadow); min-height: 600px; display: flex; flex-direction: column; }
.question-meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 24px; }
.category-chip, .difficulty-chip, .variant-chip { padding: 6px 9px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface-2); color: var(--muted); font-size: 10px; font-weight: 850; }
.category-chip { color: var(--primary); }
.favorite-btn { margin-left: auto; width: 38px; height: 38px; border: 1px solid var(--line); background: var(--surface-2); border-radius: 10px; cursor: pointer; font-size: 22px; color: var(--muted); }
.favorite-btn.is-favorite { color: var(--warning); }
.question-card h1 { font-size: clamp(25px, 3vw, 38px); line-height: 1.22; margin-bottom: 28px; letter-spacing: -.03em; }
.answer-list { display: grid; gap: 11px; }
.answer-option {
  width: 100%;
  display: grid;
  grid-template-columns: 42px 1fr auto;
  align-items: center;
  gap: 14px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface-2);
  padding: 14px 16px;
  cursor: pointer;
  color: var(--text);
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}
.answer-option:hover:not(:disabled) { border-color: var(--line-strong); transform: translateY(-1px); }
.answer-letter { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 10px; background: var(--surface-3); color: var(--muted); font-weight: 900; }
.answer-text { font-weight: 650; }
.answer-state { font-size: 18px; }
.answer-option.is-selected { border-color: color-mix(in srgb, var(--accent) 50%, var(--line)); background: color-mix(in srgb, var(--accent) 8%, var(--surface-2)); }
.answer-option.is-selected .answer-letter { background: var(--accent); color: #fff; }
.answer-option.is-correct { border-color: color-mix(in srgb, var(--success) 45%, var(--line)); background: color-mix(in srgb, var(--success) 8%, var(--surface-2)); }
.answer-option.is-correct .answer-letter { background: var(--success); color: var(--primary-ink); }
.answer-option.is-wrong { border-color: color-mix(in srgb, var(--danger) 45%, var(--line)); background: color-mix(in srgb, var(--danger) 8%, var(--surface-2)); }
.answer-option.is-wrong .answer-letter { background: var(--danger); color: #fff; }
.answer-option:disabled { cursor: default; }
.correction-box { margin-top: 20px; padding: 18px; border-radius: 15px; border: 1px solid var(--line); background: var(--surface-2); }
.correction-box.is-correct { border-color: color-mix(in srgb, var(--success) 35%, var(--line)); }
.correction-box.is-wrong { border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); }
.correction-title { display: flex; align-items: center; gap: 8px; font-weight: 900; margin-bottom: 8px; }
.correction-box.is-correct .correction-title { color: var(--success); }
.correction-box.is-wrong .correction-title { color: var(--danger); }
.correction-box p { color: var(--muted); margin-bottom: 13px; }
.correction-source-label { color: var(--muted-2); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; font-weight: 900; margin-bottom: 7px; }
.question-actions { display: flex; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 26px; }
.quiz-side { position: sticky; top: calc(var(--topbar) + 20px); border-radius: 18px; padding: 18px; }
.quiz-side h2 { font-size: 15px; }
.question-nav-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.question-nav-grid button { aspect-ratio: 1; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-2); color: var(--muted); cursor: pointer; font-size: 10px; font-weight: 850; position: relative; }
.question-nav-grid button.is-current { color: var(--primary-ink); background: var(--primary); border-color: var(--primary); }
.question-nav-grid button.is-answered:not(.is-current) { color: var(--text); border-color: color-mix(in srgb, var(--accent) 30%, var(--line)); }
.question-nav-grid button.is-favorite::after { content: '•'; position: absolute; right: 3px; top: -3px; color: var(--warning); font-size: 18px; }
.legend { display: grid; gap: 6px; margin-top: 16px; color: var(--muted); font-size: 10px; }
.legend span { display: flex; align-items: center; gap: 7px; }
.dot { width: 8px; height: 8px; border-radius: 3px; background: var(--surface-3); }
.dot.current { background: var(--primary); }
.dot.answered { background: var(--accent); }
.dot.flagged { background: var(--warning); }
.keyboard-help { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
.keyboard-help strong { display: block; font-size: 11px; }
.keyboard-help span { color: var(--muted); font-size: 10px; }

.results-hero { text-align: center; padding: 48px 24px 30px; }
.result-icon { width: 72px; height: 72px; border-radius: 22px; display: grid; place-items: center; margin: 0 auto 18px; font-size: 34px; background: color-mix(in srgb, var(--primary) 12%, var(--surface)); color: var(--primary); border: 1px solid color-mix(in srgb, var(--primary) 30%, var(--line)); }
.result-icon.fail { color: var(--danger); background: color-mix(in srgb, var(--danger) 9%, var(--surface)); border-color: color-mix(in srgb, var(--danger) 30%, var(--line)); }
.results-hero h1 { font-size: clamp(36px, 5vw, 60px); margin-bottom: 8px; }
.results-hero > p { color: var(--muted); max-width: 760px; margin-inline: auto; }
.score-big { font-size: 84px; line-height: 1; letter-spacing: -.08em; font-weight: 950; margin: 22px 0 4px; }
.score-big span { font-size: 30px; color: var(--muted); }
.result-summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }
.result-summary-card { border: 1px solid var(--line); background: var(--surface); border-radius: 16px; padding: 20px; }
.result-summary-card strong { display: block; font-size: 28px; }
.result-summary-card span { color: var(--muted); font-size: 11px; }
.result-actions { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin: 20px 0 28px; }
.result-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 20px; }
.breakdown-list { display: grid; gap: 12px; }
.breakdown-row { display: grid; grid-template-columns: 1fr 100px 45px; gap: 10px; align-items: center; }
.breakdown-row span { color: var(--muted); font-size: 11px; }
.error-list { display: grid; gap: 10px; }
.error-item { border: 1px solid var(--line); border-radius: 14px; background: var(--surface-2); padding: 15px; }
.error-item h3 { font-size: 14px; margin-bottom: 8px; }
.error-item p { color: var(--muted); margin-bottom: 10px; font-size: 12px; }
.error-answer { display: grid; gap: 4px; font-size: 11px; margin-bottom: 9px; }
.error-answer .bad { color: var(--danger); }
.error-answer .good { color: var(--success); }

.modal { max-width: 440px; width: calc(100% - 32px); border: 1px solid var(--line); background: var(--surface); color: var(--text); border-radius: 18px; padding: 0; box-shadow: var(--shadow); }
.modal::backdrop { background: rgba(2, 7, 14, .68); backdrop-filter: blur(5px); }
.modal form { padding: 24px; }
.modal h2 { margin-bottom: 8px; }
.modal p { color: var(--muted); }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 22px; }
.toast { position: fixed; right: 24px; bottom: 24px; z-index: 100; max-width: 360px; padding: 12px 16px; border-radius: 12px; background: var(--text); color: var(--bg); font-weight: 750; box-shadow: var(--shadow); transform: translateY(25px); opacity: 0; pointer-events: none; transition: .2s ease; }
.toast.is-visible { transform: none; opacity: 1; }
.empty-state { text-align: center; padding: 42px 20px; color: var(--muted); border: 1px dashed var(--line-strong); border-radius: 16px; }

@media (max-width: 1180px) {
  :root { --sidebar: 214px; }
  .main-content { padding-inline: 24px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-score-card { flex-direction: row; }
  .score-card-stats { max-width: 420px; }
  .method-panel { grid-template-columns: 1fr; }
  .method-steps { grid-template-columns: repeat(2, 1fr); }
  .bank-toolbar { grid-template-columns: 1fr 1fr; }
  .quiz-layout { grid-template-columns: 1fr; }
  .quiz-side { position: static; }
  .question-nav-grid { grid-template-columns: repeat(10, 1fr); }
}

@media (max-width: 900px) {
  :root { --sidebar: 0px; }
  .app-shell { display: block; }
  .sidebar { position: fixed; z-index: 45; top: auto; left: 0; right: 0; bottom: 0; width: 100%; height: 66px; padding: 7px 8px max(7px, env(safe-area-inset-bottom)); border-right: 0; border-top: 1px solid var(--line); overflow: visible; background: color-mix(in srgb, var(--bg) 94%, transparent); backdrop-filter: blur(18px); }
  .nav-list { grid-template-columns: repeat(6, 1fr); gap: 3px; }
  .nav-item { display: flex; flex-direction: column; gap: 0; align-items: center; justify-content: center; padding: 5px 2px; font-size: 9px; text-align: center; border-radius: 9px; }
  .nav-item > span:first-child { font-size: 16px; }
  .nav-item.is-active { box-shadow: inset 0 2px var(--primary); }
  .nav-count { position: absolute; margin: -20px 0 0 20px; }
  .sidebar-foot { display: none; }
  .main-content { max-width: none; padding: 28px 18px 100px; }
  .dashboard-grid, .setup-grid, .exam-layout, .result-grid { grid-template-columns: 1fr; }
  .stat-grid, .audit-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: 1fr; }
  .source-list { grid-template-columns: 1fr; }
  .source-actions { align-items: flex-start; flex-direction: column; }
  .schedule-row { grid-template-columns: 1fr 100px; }
  .schedule-row > :nth-child(3), .schedule-row > :nth-child(4) { text-align: right; }
  .result-summary-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  :root { --topbar: 66px; }
  .topbar { padding: 0 14px; }
  .brand-sub { display: none; }
  .verified-pill { display: none; }
  .hero-copy { padding: 32px 24px; min-height: 0; }
  .hero-copy h1 { font-size: 42px; }
  .hero-score-card { flex-direction: column; }
  .correction-banner { grid-template-columns: auto 1fr; }
  .correction-banner .link-btn { grid-column: 2; justify-self: start; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .stat-card { padding: 16px; }
  .category-row { grid-template-columns: 1fr 44px; }
  .category-row .track { grid-column: 1 / -1; grid-row: 2; }
  .method-steps { grid-template-columns: 1fr; }
  .page-head { align-items: flex-start; flex-direction: column; }
  .page-head h1 { font-size: 40px; }
  .segmented { grid-template-columns: repeat(3, 1fr); }
  .check-grid { grid-template-columns: 1fr; }
  .exam-facts { grid-template-columns: 1fr; }
  .bank-toolbar { grid-template-columns: 1fr; }
  .bank-item summary { grid-template-columns: auto 1fr; }
  .bank-expand { display: none; }
  .bank-detail { padding-left: 20px; }
  .audit-grid { grid-template-columns: 1fr 1fr; }
  .quiz-progress-row { grid-template-columns: 1fr; }
  .question-card { padding: 22px 16px; min-height: 0; }
  .answer-option { grid-template-columns: 38px 1fr; padding: 12px; }
  .answer-state { display: none; }
  .question-actions { gap: 8px; }
  .question-actions .btn { flex: 1; padding-inline: 10px; }
  .question-nav-grid { grid-template-columns: repeat(8, 1fr); }
  .quiz-topline { grid-template-columns: 1fr auto; }
  .quiz-mode { display: none; }
  .timer { grid-column: 2; }
  .result-summary-grid { grid-template-columns: 1fr 1fr; }
  .score-big { font-size: 68px; }
}

@media print {
  .topbar, .sidebar, .hero-actions, .correction-banner, .source-actions, .bank-toolbar, .pagination, .toast { display: none !important; }
  .app-shell { display: block; padding: 0; }
  .main-content { max-width: none; padding: 0; }
  body { background: #fff; color: #000; }
  .view { display: none !important; }
  #view-bank.is-active, #view-sources.is-active, #view-results.is-active { display: block !important; }
  .bank-item { break-inside: avoid; }
}