.app { max-inline-size: 60rem; margin-inline: auto; }
.app-loading { color: var(--text-muted); padding-block: 24px; }
.app-title { outline: none; }
.app-title:focus { outline: none; }
.app-back { margin-block-start: 2rem; }
.app-have-pass { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-block-start: 1.25rem; }
.app-note { color: var(--text-muted); min-block-size: 1.7em; }
.app-sub { color: var(--text-subtle); font-size: 0.875rem; font-weight: 400; }
.num { unicode-bidi: isolate; font-variant-numeric: tabular-nums; }
.app-block { margin-block-start: 2rem; }
.app-block h2 { margin-block-start: 0; }
.app-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-block: 12px; }
.btn-sm { padding-inline: 12px; font-size: 0.9375rem; font-weight: 600; }
.btn:disabled { opacity: 0.55; cursor: default; }
.btn[aria-pressed="true"] { background: var(--option-selected-bg); border-color: var(--option-selected-border); }
.is-correct { color: var(--correct-text); }
.is-wrong { color: var(--wrong-text); }
.app-link-button {
display: inline-flex; align-items: center; min-block-size: 44px; padding: 0;
background: none; border: 0; font: inherit; font-size: 0.9375rem;
color: var(--link); text-decoration: underline; text-underline-offset: 0.2em; cursor: pointer;
}
.app-link-button:hover { color: var(--link-hover); }
.app-input {
font: inherit; color: var(--text); background: var(--surface);
border: 1px solid var(--border-strong); border-radius: 10px;
min-block-size: 44px; padding: 8px 12px; max-inline-size: 100%;
}
textarea.app-input { inline-size: 100%; resize: vertical; }
.app-input-num { inline-size: 7rem; }
.app-inline { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.app-toast {
position: fixed; inset-block-end: 16px; inset-inline: 16px; z-index: 20;
max-inline-size: 28rem; margin-inline: auto; padding: 12px 16px;
background: var(--surface); color: var(--text); border: 1px solid var(--border-strong); border-radius: 12px;
opacity: 0; transform: translateY(8px);
pointer-events: none; transition: opacity 0.2s, transform 0.2s;
}
.app-toast.is-on { opacity: 1; transform: none; }
.app-access, .app-banner { padding: 16px; margin-block: 16px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; }
.app-access p, .app-banner p { margin: 0; }
.app-banner { background: var(--option-selected-bg); border: 1px solid var(--option-selected-border); border-radius: 12px; }
.app-section .card-link { display: flex; flex-direction: column; gap: 4px; block-size: 100%; }
.app-card-button { inline-size: 100%; text-align: start; background: none; border: 0; font: inherit; cursor: pointer; }
.app-card-title { font-weight: 700; color: var(--heading); font-size: 1.0625rem; margin: 0; }
.app-card-desc { color: var(--text-muted); font-size: 0.9375rem; }
.app-lock { align-self: flex-start; margin: 0; }
.app-owned { display: inline-block; margin: 0 0 6px; }
.app-units { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.app-unit { padding: 16px; }
.app-unit h3 { margin-block-end: 2px; }
.app-unit .facts { margin-block-end: 8px; }
.app-bars { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.app-bar-row { display: grid; grid-template-columns: 7.5rem 1fr auto; align-items: center; gap: 8px 12px; font-size: 0.9375rem; }
.app-bars .app-bar-row { grid-template-columns: minmax(6rem, 12rem) 1fr auto; }
.app-bar-label { color: var(--text-muted); }
.app-bar { display: block; block-size: 10px; border-radius: 999px; background: var(--progress-track); overflow: hidden; }
.app-bar-fill { display: block; block-size: 100%; background: var(--progress-fill); border-radius: 999px; }
.app-bar-value { white-space: nowrap; font-weight: 600; color: var(--heading); }
.app-trend { display: block; inline-size: 100%; max-inline-size: 32rem; block-size: auto; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; }
.app-trend-pass { stroke: var(--border-strong); stroke-width: 1.5; stroke-dasharray: 4 4; }
.app-trend-line { fill: none; stroke: var(--primary); stroke-width: 2.5; stroke-linejoin: round; }
.app-trend-pass-dot { fill: var(--correct-border); }
.app-trend-fail-dot { fill: var(--wrong-border); }
.app-trend-dot { fill: var(--primary); }
.app-trend-list { padding-inline-start: 1.25rem; color: var(--text-muted); }
.app-counts { margin-block-start: 2rem; }
.app-plan-form label { display: block; font-weight: 600; margin-block-end: 4px; }
.app-plan-status { margin-block-start: 12px; font-weight: 600; color: var(--heading); }
.app-date .app-plan-status { margin-block-start: 0; }
.app-date .hint { margin-block: 4px 0; }
.app-date h2 { margin-block-end: 4px; }
.app-free-steps li { font-weight: 600; }
.app-free-steps .app-link-button { display: inline; min-block-size: 0; font-size: inherit; font-weight: inherit; text-align: start; }
.app-search-label { display: block; font-weight: 600; margin-block-end: 6px; }
.app-catalog .app-input { inline-size: 100%; max-inline-size: 32rem; }
.app-search-results:not(:empty), .app-cats { margin-block-start: 16px; }
.app-cat { border-block-end: 1px solid var(--border); }
.app-cat:first-child { border-block-start: 2px solid var(--heading); }
.app-cat summary {
display: flex; align-items: center; justify-content: space-between; gap: 12px;
min-block-size: 52px; padding-block: 8px; cursor: pointer; list-style: none;
font-size: 1.125rem; font-weight: 700; color: var(--heading);
}
.app-cat summary::-webkit-details-marker { display: none; }
.app-cat summary::after { content: "+" / ""; font-size: 1.375rem; color: var(--text-muted); }
.app-cat[open] summary::after { content: "−" / ""; }
.app-cat-n { margin-inline-start: auto; font-size: 0.9375rem; font-weight: 600; color: var(--text-muted); }
.app-cat .grid { margin-block-end: 12px; }
.app-runner { max-inline-size: 48rem; margin-inline: auto; }
.app-runner-head {
position: sticky; inset-block-start: 0; z-index: 5;
background: var(--bg); padding-block: 8px 10px; margin-block-end: 12px;
border-block-end: 1px solid var(--border);
}
.app-runner-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.app-runner-title { font-size: 1rem; font-weight: 700; margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.app-runner-meta { margin: 2px 0 8px; color: var(--text-muted); font-size: 0.9375rem; }
.app-clock { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.app-timer {
margin: 0; padding: 4px 10px; border-radius: 8px; border: 1px solid var(--border);
background: var(--surface); color: var(--heading); font-weight: 700; font-size: 1.0625rem;
}
.app-timer.is-low { background: var(--wrong-bg); border-color: var(--wrong-border); color: var(--wrong-text); }
.app-timer-big { display: inline-block; font-size: 1.25rem; margin-block-end: 1rem; }
.app-progress { display: block; block-size: 6px; border-radius: 999px; background: var(--progress-track); overflow: hidden; }
.app-progress span { display: block; block-size: 100%; background: var(--progress-fill); }
.q-head { flex-wrap: wrap; }
.q-head .tag { margin: 0; }
.q-tools { display: flex; flex-wrap: wrap; gap: 8px; margin-inline-start: auto; }
.app-flag.is-on { background: var(--option-selected-bg); border-color: var(--option-selected-border); color: var(--heading); }
.q-stem { margin-block: 12px 16px; line-height: 1.75; }
.opt-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: stretch; }
.opt.is-selected { background: var(--option-selected-bg); border-color: var(--option-selected-border); font-weight: 600; }
.opt.is-struck .opt-text { text-decoration: line-through; color: var(--text-subtle); }
.opt-strike {
min-inline-size: 44px; min-block-size: 44px; padding-inline: 10px;
font: inherit; font-size: 0.8125rem; color: var(--text-muted);
background: var(--surface); border: 1px solid var(--border); border-radius: 10px; cursor: pointer;
}
.opt-strike[aria-pressed="true"] { background: var(--surface-muted); color: var(--heading); border-color: var(--border-strong); text-decoration: line-through; }
.q-extra { border-block-start: 1px solid var(--border); padding-block-start: 8px; margin-block-end: 0; }
.q-report { flex: 1 1 100%; }
.q-report-form { display: grid; gap: 8px; }
.app-runner-nav { display: flex; justify-content: space-between; gap: 12px; margin-block: 16px; }
.app-runner-nav .btn { flex: 1 1 0; max-inline-size: 14rem; }
.app-finish { text-align: center; }
.app-confirm { padding: 16px; margin-block: 16px; border-color: var(--option-selected-border); }
.app-confirm h2 { margin-block-start: 0; outline: none; }
.app-grid-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 0 12px; margin-block: 16px; }
.app-grid-wrap summary { min-block-size: 44px; display: flex; align-items: center; gap: 6px; cursor: pointer; font-weight: 600; color: var(--heading); }
.app-grid { list-style: none; margin: 0 0 12px; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(44px, 1fr)); gap: 6px; }
.app-cell {
position: relative; display: inline-flex; align-items: center; justify-content: center;
inline-size: 100%; min-block-size: 44px; padding: 0;
font: inherit; font-weight: 600; color: var(--text);
background: var(--surface); border: 1px solid var(--border-strong); border-radius: 8px; cursor: pointer;
}
.app-cell.is-answered { background: var(--option-selected-bg); border-color: var(--option-selected-border); color: var(--heading); }
.app-cell.is-flagged::after {
content: ""; position: absolute; inset-block-start: 3px; inset-inline-end: 3px;
inline-size: 8px; block-size: 8px; border-radius: 50%; background: var(--surface);
box-shadow: 0 0 0 2px var(--heading);
}
.app-cell.is-current { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.app-legend { list-style: none; margin: 0 0 12px; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 0.875rem; color: var(--text-muted); }
.app-legend li { display: inline-flex; align-items: center; gap: 6px; }
.app-cell-key { inline-size: 18px; min-block-size: 18px; block-size: 18px; border-radius: 4px; cursor: default; }
.app-cell-key.is-flagged::after { inset-block-start: 4px; inset-inline-end: 4px; inline-size: 6px; block-size: 6px; }
.app-form fieldset { border: 1px solid var(--border); border-radius: 12px; padding: 8px 16px 12px; margin: 0 0 16px; background: var(--surface); }
.app-form legend { font-weight: 700; color: var(--heading); padding-inline: 4px; }
.app-form label[for] { font-weight: 700; color: var(--heading); }
.app-check { display: flex; align-items: center; gap: 8px; min-block-size: 44px; cursor: pointer; }
.app-check input { inline-size: 20px; block-size: 20px; accent-color: var(--primary); }
.app-weak { padding-inline-start: 1.5rem; }
.app-weak li { margin-block-end: 6px; }
.app-score { padding: 20px 16px; text-align: center; }
.app-score-big { font-size: 2.75rem; font-weight: 700; color: var(--heading); line-height: 1.1; margin-block-end: 4px; }
.app-score .score { font-size: 1.125rem; margin-block-end: 8px; }
.app-pass { font-weight: 700; font-size: 1.125rem; margin-block-end: 4px; }
.app-review { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.app-review-item { background: var(--surface); border: 1px solid var(--border); border-inline-start-width: 4px; border-radius: 12px; padding: 0 12px; }
.app-review-item.is-correct { border-inline-start-color: var(--correct-border); color: inherit; }
.app-review-item.is-wrong { border-inline-start-color: var(--wrong-border); color: inherit; }
.app-review-item summary { min-block-size: 44px; display: flex; align-items: center; gap: 4px; cursor: pointer; font-weight: 600; color: var(--heading); }
.app-review-body { padding-block-end: 12px; }
.app-review-body .q { border: 0; padding: 0; }
.app-prompt { margin-block: 16px; }
.app-chips { margin-block: 8px 16px; overflow-x: auto; }
.app-chips ul { list-style: none; margin: 0; padding: 0 0 4px; display: flex; gap: 8px; }
.app-chip {
display: inline-flex; align-items: center; min-block-size: 40px; padding-inline: 14px; white-space: nowrap;
border: 1px solid var(--border-strong); border-radius: 999px; background: var(--surface);
color: var(--heading); text-decoration: none; font-weight: 600; font-size: 0.9375rem;
}
.app-chip[aria-current="page"] { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.app-notes { padding: 16px; }
.app-notes h2 { font-size: 1.125rem; margin-block-start: 1.25rem; }
.app-notes ul { padding-inline-start: 1.25rem; }
.app-notes li { margin-block-end: 6px; }
.app-cards-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.app-cards-head .q-progress { margin: 0; }
.app-flashcard {
display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
inline-size: 100%; min-block-size: 220px; margin-block: 12px; padding: 24px 20px;
font: inherit; font-size: 1.1875rem; font-weight: 600; line-height: 1.7; text-align: center; color: var(--heading);
background: var(--surface); border: 2px solid var(--border-strong); border-radius: 16px; cursor: pointer;
}
.app-flashcard.is-back { background: var(--option-selected-bg); border-color: var(--option-selected-border); font-weight: 500; color: var(--text); }
.app-flashcard-hint { font-size: 0.875rem; font-weight: 400; color: var(--text-muted); }
@media (min-width: 600px) {
.app-units { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
.app-runner-title { font-size: 1.0625rem; }
.app-flashcard { min-block-size: 280px; font-size: 1.3125rem; }
}
.site-header { position: static; }
.app-sections { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.app-section.is-wide { grid-column: 1 / -1; border-color: var(--option-selected-border); }
.app-section.is-wide .app-card-title { font-size: 1.1875rem; }
.app-section .card-link { padding: 14px; }
@media (min-width: 960px) { .app-sections { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.opt-strike { min-inline-size: 44px; padding-inline: 4px; }
.opt-strike-icon { text-decoration: line-through; font-weight: 600; }
.opt-strike[aria-pressed="true"] { text-decoration: none; background: var(--option-selected-bg); border-color: var(--option-selected-border); }
.app-runner-nav {
position: sticky; inset-block-end: 0; z-index: 4; align-items: center;
margin-inline: -16px; padding: 10px 16px; background: var(--bg); border-block-start: 1px solid var(--border);
}
.app-runner-nav .btn { max-inline-size: none; }
.app-nav-count { flex: 0 0 auto !important; min-inline-size: 5.5rem; font-weight: 700; }
.app-cell.is-right { background: var(--correct-bg); border-color: var(--correct-border); color: var(--correct-text); }
.app-cell.is-wrong { background: var(--wrong-bg); border-color: var(--wrong-border); color: var(--wrong-text); }
.app-cell.is-right::before, .app-cell.is-wrong::before { position: absolute; inset-block-start: 1px; inset-inline-start: 4px; font-size: 0.6875rem; line-height: 1; }
.app-cell.is-right::before { content: "✓"; }
.app-cell.is-wrong::before { content: "✕"; }
.app-cell.is-current.is-right, .app-cell.is-current.is-wrong { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.app-tiles { margin-block: 8px 12px; text-align: start; }
.app-review-item.is-skipped { border-inline-start-color: var(--border-strong); }
.app-review-item summary { flex-wrap: wrap; justify-content: space-between; gap: 2px 12px; }
.app-review-letters { font-weight: 400; color: var(--text-muted); font-size: 0.875rem; }
.is-skipped { color: var(--text-muted); }
@media (min-width: 1024px) {
.app-runner { max-inline-size: 66rem; }
.app-runner-body { display: grid; grid-template-columns: minmax(0, 1fr) 18rem; gap: 24px; align-items: start; }
.app-runner-side { position: sticky; inset-block-start: 112px; max-block-size: calc(100vh - 128px); overflow-y: auto; }
.app-runner-side { display: flex; flex-direction: column; gap: 12px; }
.app-runner-side .app-finish { order: -1; margin: 0; }
.app-runner-side .app-grid-wrap { margin-block: 0; }
.app-runner-side .app-finish .btn { inline-size: 100%; }
.app-runner-nav { position: static; margin-inline: 0; padding-inline: 0; background: none; border: 0; }
.app-nav-count { display: none !important; }
}
.app { max-inline-size: 64rem; }
.app-screen > .app-title { font-size: clamp(2rem, 1.2rem + 2.4vw, 3rem); line-height: 1.25; margin-block-end: 12px; }
.app-screen > .lead { max-inline-size: 44rem; }
.app-screen > .codes { margin-block-start: -4px; font-weight: 700; letter-spacing: 0.06em; color: var(--accent-text); }
.app-screen { counter-reset: blk; }
.app-block { margin-block-start: 64px; }
.app-block > h2 { margin-block-end: 12px; font-size: clamp(1.5rem, 1.1rem + 1vw, 2rem); }
.app-block > h2::before { counter-increment: blk; content: counter(blk, decimal-leading-zero) / ""; display: block; margin-block-end: 16px; padding-block-start: 14px; border-block-start: 1px solid var(--heading); font-size: 0.9375rem; font-weight: 700; line-height: 1.4; letter-spacing: 0.04em; color: var(--accent-text); }
.app-access.card, .app .price-card.card, .app-confirm.card, .app-score.card, .app-runner .q, .app-notes.card {
position: relative; background: var(--surface); border: 0; border-radius: 10px; box-shadow: var(--shadow-paper);
}
.app-access.card::before, .app .price-card.card::before, .app-confirm.card::before, .app-score.card::before, .app-runner .q::before, .app-notes.card::before {
content: ""; position: absolute; inset-inline: 0; inset-block-start: 0; block-size: 6px; border-radius: 10px 10px 0 0; background: var(--primary);
}
.app-access.card { padding: 22px 20px 16px; }
.app-access p { font-weight: 700; color: var(--heading); }
.app-banner { background: var(--surface); border: 0; border-inline-start: 4px solid var(--heading); border-radius: 0; box-shadow: var(--shadow-paper); padding: 16px 20px; }
.app .price-card.card { padding: 28px 22px 20px; max-inline-size: 40rem; }
.app .price-card h2 { margin-block: 0 4px; font-size: 1.375rem; }
.app-plans .plans { margin-block-start: 16px; padding-block-start: 16px; border-block-start: 2px dashed var(--border); }
.app-plans .note { margin-block-start: 14px; }
.app .grid:not(.app-sections) { gap: 0; grid-template-columns: minmax(0, 1fr); border-block-start: 2px solid var(--heading); }
.app .exam-card { background: none; border: 0; border-block-end: 1px solid var(--border); border-radius: 0; }
.app .exam-card .card-link { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 24px; padding: 20px 12px; margin-inline: -12px; border-radius: 6px; transition: background 0.15s; }
.app .exam-card .card-link::after { content: "←" / ""; grid-column: 2; grid-row: 1 / span 3; align-self: center; color: var(--heading); font-size: 1.375rem; opacity: 0.35; }
[dir="ltr"] .app .exam-card .card-link::after { content: "→" / ""; }
.app .exam-card .card-link:hover { background: var(--surface-muted); }
.app .exam-card .card-link:hover::after { opacity: 1; }
.app .exam-card .app-card-title { grid-column: 1; font-size: 1.25rem; }
.app .exam-card .codes, .app .exam-card .facts { grid-column: 1; margin: 0; font-size: 0.875rem; }
.app .exam-card .facts { color: var(--text-muted); }
.app .exam-card .codes { font-weight: 700; letter-spacing: 0.04em; color: var(--accent-text); }
.app-sections { gap: 0 32px; }
.app-section.card { background: none; border: 0; border-block-end: 1px solid var(--border); border-radius: 0; }
.app-section .card-link { padding: 18px 12px; margin-inline: -12px; border-radius: 6px; transition: background 0.15s; }
.app-section .card-link:hover { background: var(--surface-muted); }
.app-section.is-wide { position: relative; margin-block-end: 16px; background: var(--surface); border: 0; border-radius: 10px; box-shadow: var(--shadow-paper); }
.app-section.is-wide::before { content: ""; position: absolute; inset-inline: 0; inset-block-start: 0; block-size: 6px; border-radius: 10px 10px 0 0; background: var(--primary); }
.app-section.is-wide .card-link { margin: 0; padding: 26px 20px 18px; border-radius: 10px; }
.app-section.is-wide .card-link:hover { background: var(--surface-muted); }
.app-section.is-wide .app-card-title { font-size: 1.375rem; }
.app-card-title { font-size: 1.125rem; }
.app-units { gap: 0 40px; }
.app-unit.card { padding: 20px 0; background: none; border: 0; border-block-start: 1px solid var(--border); border-radius: 0; }
.app-unit h3 { font-size: 1.1875rem; }
.app-bar { block-size: 8px; }
.app .stats { gap: 0; margin-block: 24px; border-block: 1px solid var(--border); }
.app .stat { padding: 18px 20px; background: none; border: 0; border-radius: 0; }
.app .stat:first-child { padding-inline-start: 0; }
.app .stat + .stat { border-inline-start: 1px solid var(--border); }
.app .stat dd { font-size: 2.5rem; line-height: 1.1; }
.app-trend { border-radius: 8px; }
.app-runner-head { padding-block: 12px 0; margin-block-end: 24px; border: 0; }
.app-runner-title { font-size: 1.0625rem; }
.app-runner-meta { font-size: 0.875rem; color: var(--text-subtle); }
.app-progress { block-size: 4px; border-radius: 0; }
.app-timer { border-color: var(--border-strong); font-variant-numeric: tabular-nums; }
.app-runner .q { padding: 30px 24px 16px; }
.app-runner .q-stem { font-size: clamp(1.1875rem, 1.05rem + 0.5vw, 1.375rem); }
.q-head .tag { min-block-size: 32px; display: inline-flex; align-items: center; }
.opt-row { gap: 0; align-items: stretch; }
.opt.is-selected { background: var(--option-selected-bg); color: var(--heading); font-weight: 700; }
.opt.is-selected::before { background: var(--option-selected-border); }
.opt.is-selected .opt-key { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.opt-strike { min-inline-size: 48px; border: 0; border-radius: 0; background: transparent; color: var(--text-subtle); }
.opt-strike:hover { background: var(--surface-muted); color: var(--heading); }
.opt-strike[aria-pressed="true"] { background: var(--surface-muted); border: 0; color: var(--heading); }
.q-extra { margin-block-start: 8px; padding-block-start: 12px; }
.app-runner .app-note[role="status"] { margin-block: 0 12px; color: var(--correct-text); font-weight: 700; }
.app-runner-nav { margin-inline: -16px; background: var(--bg); }
.app-runner-nav .btn { min-block-size: 52px; }
.app-runner-nav .btn-primary::after { content: "←" / ""; font-weight: 400; }
[dir="ltr"] .app-runner-nav .btn-primary::after { content: "→" / ""; }
.app-grid-wrap { background: none; border: 0; border-block: 1px solid var(--border); border-radius: 0; padding: 0; }
.app-cell { border-radius: 6px; font-variant-numeric: tabular-nums; }
.app-confirm.card { padding: 26px 22px 18px; }
.app-score.card { display: grid; grid-template-columns: minmax(0, 1fr); gap: 4px; padding: 32px 22px 20px; text-align: start; }
.app-score-big { margin: 0; font-size: clamp(4rem, 2rem + 8vw, 6.5rem); line-height: 1; letter-spacing: -0.02em; }
.app-score .score { margin: 8px 0 0; font-size: 1.125rem; }
.app-pass { margin: 8px 0 0; }
.app-score .hint { margin: 0; }
.app-tiles { display: flex; flex-wrap: wrap; gap: 4px 24px; margin-block: 12px 0; padding-block-start: 12px; border-block-start: 1px solid var(--border); }
.app-tiles .q-tile { flex-direction: row; align-items: baseline; gap: 6px; padding: 0; background: none; border-radius: 0; }
.app-tiles .q-tile strong { font-size: 1.25rem; }
.app-tiles .q-tile.is-correct span { color: var(--correct-text); font-weight: 700; }
.app-tiles .q-tile.is-wrong span { color: var(--wrong-text); font-weight: 700; }
.app-score .not-official { margin: 12px 0 0; }
@media (min-width: 640px) {
.app-score.card { grid-template-columns: auto minmax(0, 1fr); column-gap: 48px; align-items: end; padding: 40px 40px 28px; }
.app-score-big { grid-row: 1 / span 4; align-self: center; }
.app-score .not-official, .app-tiles { grid-column: 2; }
}
.app-review { gap: 0; border-block-start: 2px solid var(--heading); }
.app-review-item { position: relative; background: none; border: 0; border-block-end: 1px solid var(--border); border-radius: 0; padding: 0 16px; }
.app-review-item::before { content: ""; position: absolute; inset-block: 10px; inset-inline-start: 0; inline-size: 4px; border-radius: 2px; background: var(--border-strong); }
.app-review-item.is-correct::before { background: var(--correct-border); }
.app-review-item.is-wrong::before { background: var(--wrong-border); }
.app-review-item summary { min-block-size: 56px; }
.app-review-item[open] { background: var(--surface); }
.app-review-body .q { padding: 0; background: none; box-shadow: none; }
.app-filter .btn[aria-pressed="true"] { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.app-chips { border-block-end: 1px solid var(--border); scrollbar-width: none; }
.app-chips ul { gap: 22px; padding: 0; }
.app-chip { min-block-size: 48px; padding: 0; border: 0; border-radius: 0; background: none; color: var(--text-muted); font-weight: 400; }
.app-chip:hover { color: var(--heading); }
.app-chip[aria-current="page"] { background: none; color: var(--heading); font-weight: 700; box-shadow: inset 0 -3px 0 var(--heading); }
.app-notes.card { padding: 26px 22px 12px; }
.app-flashcard { position: relative; border: 0; border-radius: 10px; box-shadow: var(--shadow-paper); font-weight: 700; }
.app-flashcard::before { content: ""; position: absolute; inset-inline: 0; inset-block-start: 0; block-size: 6px; border-radius: 10px 10px 0 0; background: var(--primary); }
.app-flashcard.is-back { background: var(--surface); border: 0; font-weight: 400; }
.app-plans .plan-top .tag { padding: 1px 8px; border-radius: 4px; background: var(--highlight); color: var(--heading); font-size: 0.8125rem; font-weight: 700; transform: rotate(-3deg); }
.app-guest { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin-block: 12px; padding: 14px 16px; }
.app-guest p { margin: 0; flex: 1 1 260px; color: var(--text-muted); }
.home-hint { max-inline-size: 64rem; margin: 12px auto 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px;
padding: 10px 14px; background: var(--accent-soft); border: 1px solid var(--border); border-radius: 12px; font-size: 0.9375rem; }
.home-hint p { margin: 0; }
.home-hint strong { color: var(--heading); }
.home-hint-close { flex: none; }
.app-schedule-days { margin: 12px 0 0; padding-inline-start: 0; list-style: none; display: grid; gap: 8px; }
.app-schedule-days li { padding: 8px 12px; border-radius: 6px; border: 1px solid var(--border); line-height: 1.7; }
.app-schedule-days li.is-today { background: var(--highlight); border-color: var(--border-strong); }
.app-schedule-days strong { margin-inline-end: 6px; color: var(--heading); }
.app-schedule-days .tag { margin-inline-end: 6px; }
.app-schedule-ends { margin: 8px 0 0; font-weight: 600; color: var(--heading); }
.tex { direction: ltr; unicode-bidi: isolate; }
.tex .katex { font-size: 1.08em; }
.tex-d { display: block; margin: 0.6em 0; overflow-x: auto; overflow-y: hidden; text-align: center; }