/* Random Mock Test */
.mk-card { background: var(--jb-card); border: 1px solid var(--jb-line); border-radius: 16px; padding: 22px; box-shadow: 0 6px 20px -14px rgba(16,24,40,.35); }
.mk > [hidden], .mk-card[hidden], .mk-run[hidden], .mk-row[hidden] { display: none; }
.mk-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.mk-tabs button { flex: 1 1 180px; text-align: left; padding: 12px 16px; border: 2px solid var(--jb-line); border-radius: 12px; background: var(--jb-card); color: var(--jb-ink); font: inherit; font-weight: 700; cursor: pointer; }
.mk-tabs button small { display: block; font-weight: 400; font-size: 12px; color: var(--jb-ink-3); }
.mk-tabs button.is-on { border-color: var(--jb-forest); background: var(--jb-green-50); }
.mk-row { margin-bottom: 16px; }
.mk-row.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .mk-row.two { grid-template-columns: 1fr; } }
.mk label { font-size: 13px; font-weight: 600; color: var(--jb-ink-2); }
.mk select { display: block; width: 100%; box-sizing: border-box; margin-top: 4px; padding: 11px 12px; border: 1px solid var(--jb-line); border-radius: 10px; font: inherit; background: var(--jb-card); color: var(--jb-ink); }
.mk-count { border: 0; padding: 0; margin: 0 0 16px; }
.mk-count legend { font-size: 13px; font-weight: 600; color: var(--jb-ink-2); margin-bottom: 6px; padding: 0; }
.mk-count label { display: inline-block; margin-right: 8px; }
.mk-count input { position: absolute; opacity: 0; }
.mk-count span { display: inline-block; min-width: 56px; text-align: center; padding: 10px 16px; border: 2px solid var(--jb-line); border-radius: 10px; font-weight: 700; color: var(--jb-ink); cursor: pointer; }
.mk-count input:checked + span { background: var(--jb-forest); border-color: var(--jb-forest); color: #fff; }
.mk-count input:focus-visible + span { outline: 2px solid var(--jb-green-500); outline-offset: 2px; }
.mk-opts { display: grid; gap: 10px; margin-bottom: 18px; }
.mk-check { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border: 1px solid var(--jb-line); border-radius: 12px; cursor: pointer; font-weight: 400; color: var(--jb-ink); }
.mk-check input { margin-top: 4px; }
.mk-check small { display: block; color: var(--jb-ink-3); }
.mk-go { width: 100%; padding: 14px; font-size: 17px; }
.mk-err { margin: 10px 0 0; min-height: 1.2em; color: var(--jb-red); font-weight: 600; }
.mk-note { margin: 6px 0 0; font-size: 14px; color: var(--jb-ink-2); }

.mk-bar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; padding: 12px 18px; border-radius: 14px; background: linear-gradient(120deg, #0f3a6b, #1b6fb0); color: #fff; }
.mk-bar small { display: block; opacity: .85; font-size: 12px; }
.mk-clock { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; }
.mk-clock.is-low { color: #fecaca; animation: mkp 1s infinite; }
@keyframes mkp { 50% { opacity: .5; } }
.mk-layout { display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr); align-items: start; }
@media (min-width: 900px) { .mk-layout { grid-template-columns: minmax(0, 1fr) 270px; } .mk-pal { position: sticky; top: 14px; } }
.mk-topic { margin: 0 0 4px; font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--jb-green-500); }
.mk-q { margin: 0 0 16px; font-size: clamp(18px, 2.5vw, 21px); line-height: 1.55; color: var(--jb-ink); overflow-wrap: anywhere; }
.mk-options { display: grid; gap: 10px; }
.mk-opt { display: flex; gap: 12px; align-items: center; text-align: left; padding: 13px 15px; border: 2px solid var(--jb-line); border-radius: 12px; background: var(--jb-card); color: var(--jb-ink); font: inherit; line-height: 1.5; cursor: pointer; }
.mk-opt i { flex: none; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; font-style: normal; font-weight: 700; font-size: 13px; background: var(--jb-green-100); color: var(--jb-forest); }
.mk-opt:hover { border-color: var(--jb-green-500); }
.mk-opt.is-on { border-color: var(--jb-forest); background: var(--jb-green-50); }
.mk-opt.is-on i { background: var(--jb-forest); color: #fff; }
.mk-nav { display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; align-items: center; margin-top: 18px; }
.mk-flag, .mk-clear { border: 1px solid var(--jb-line); background: transparent; border-radius: 10px; padding: 9px 12px; font: inherit; font-size: 14px; color: var(--jb-ink-2); cursor: pointer; }
.mk-flag[aria-pressed="true"] { background: #fef3c7; border-color: #f59e0b; color: #92400e; }
.mk-pal h3 { margin: 0 0 10px; font-size: 15px; color: var(--jb-forest); }
.mk-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(38px, 1fr)); gap: 6px; }
.mk-grid button { height: 38px; border: 1px solid var(--jb-line); border-radius: 8px; background: var(--jb-card); color: var(--jb-ink-2); font: inherit; font-weight: 600; cursor: pointer; }
.mk-grid button.is-ans { background: #dcfce7; border-color: #86efac; color: #14532d; }
.mk-grid button.is-flag { background: #fef3c7; border-color: #f59e0b; color: #92400e; }
.mk-grid button.is-cur { outline: 2px solid var(--jb-forest); outline-offset: 1px; }
.mk-key { list-style: none; margin: 12px 0 8px; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 12px; color: var(--jb-ink-3); }
.mk-key i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 4px; vertical-align: -1px; border: 1px solid var(--jb-line); }
.mk-key i.is-ans { background: #dcfce7; border-color: #86efac; } .mk-key i.is-flag { background: #fef3c7; border-color: #f59e0b; }
.mk-count-line { margin: 0 0 12px; font-size: 14px; color: var(--jb-ink-2); }
.mk-submit { width: 100%; }

.mk-res-top { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; margin-bottom: 18px; }
.mk-ring { --p: 0; flex: none; width: 130px; height: 130px; border-radius: 50%; display: grid; place-content: center; text-align: center; background: radial-gradient(closest-side, var(--jb-card) 76%, transparent 78%), conic-gradient(var(--jb-forest) calc(var(--p) * 1%), var(--jb-line) 0); }
.mk-ring b { font-size: 30px; line-height: 1; color: var(--jb-forest); }
.mk-ring span { font-size: 12px; color: var(--jb-ink-3); }
.mk-res-top h2 { margin: 0 0 4px; color: var(--jb-forest); }
.mk-sub { margin: 0 0 10px; color: var(--jb-ink-2); }
.mk-stats { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; }
.mk-stats li b { display: block; font-size: 24px; color: var(--jb-ink); }
.mk-stats li span { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--jb-ink-3); }
.mk-weak { padding: 14px 18px; border-radius: 12px; background: #fff7ed; border: 1px solid #fdba74; margin-bottom: 12px; }
.mk-weak[hidden] { display: none; }
.mk-weak h3 { margin: 0 0 6px; font-size: 15px; color: #9a3412; }
.mk-weak ul { margin: 0; padding-left: 18px; color: #7c2d12; line-height: 1.7; }
.mk-h3 { margin: 18px 0 8px; font-size: 16px; color: var(--jb-forest); }
.mk-trow { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) 46px; gap: 10px; align-items: center; padding: 5px 0; font-size: 14px; }
.mk-trow span { overflow-wrap: anywhere; color: var(--jb-ink-2); }
.mk-trow b { text-align: right; font-variant-numeric: tabular-nums; }
.mk-tbar { height: 8px; border-radius: 99px; background: var(--jb-line); overflow: hidden; }
.mk-tbar i { display: block; height: 100%; border-radius: 99px; }
.mk-tbar i.ok { background: #22c55e; } .mk-tbar i.mid { background: #f59e0b; } .mk-tbar i.low { background: #ef4444; }
.mk-act { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 4px; }
.mk-filter { display: flex; gap: 8px; margin-bottom: 10px; }
.mk-filter button { border: 1px solid var(--jb-line); background: var(--jb-card); border-radius: 999px; padding: 6px 14px; font: inherit; font-size: 14px; color: var(--jb-ink-2); cursor: pointer; }
.mk-filter button.is-on { background: var(--jb-forest); border-color: var(--jb-forest); color: #fff; }
.mk-review { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.mk-review > li { padding: 14px 16px; border: 1px solid var(--jb-line); border-left-width: 5px; border-radius: 12px; }
.mk-review > li[hidden] { display: none; }
.mk-review > li.is-ok { border-left-color: #22c55e; } .mk-review > li.is-bad { border-left-color: #ef4444; } .mk-review > li.is-skip { border-left-color: #94a3b8; }
.mk-rq { margin: 0 0 8px; font-weight: 600; line-height: 1.5; color: var(--jb-ink); }
.mk-review ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.mk-review ul li { padding: 6px 10px; border-radius: 8px; color: var(--jb-ink-2); }
.mk-review ul li.is-right { background: #dcfce7; color: #14532d; font-weight: 600; }
.mk-review ul li.is-wrong { background: #fee2e2; color: #7f1d1d; }
.mk-skip { margin: 6px 0 0; font-size: 13px; color: var(--jb-ink-3); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.mk-hist { margin-top: 20px; }
.mk-hist h2 { margin: 0 0 10px; font-size: 17px; color: var(--jb-forest); }
.mk-hist table { width: 100%; border-collapse: collapse; font-size: 14px; }
.mk-hist th, .mk-hist td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--jb-line); }
.mk-hist th { font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--jb-ink-3); }
@media (max-width: 560px) { .mk-card { padding: 16px; } .mk-nav { justify-content: center; } }
:root[data-theme="dark"] .mk-weak { background: #3a2312; border-color: #7c4a1d; } :root[data-theme="dark"] .mk-weak h3, :root[data-theme="dark"] .mk-weak ul { color: #fdba74; }
:root[data-theme="dark"] .mk-review ul li.is-right, :root[data-theme="dark"] .mk-grid button.is-ans { background: #14391f; color: #bbf7d0; }
:root[data-theme="dark"] .mk-review ul li.is-wrong { background: #4a1d1a; color: #fecaca; }
.mk-row.two[hidden], .mk-tabs + [hidden], .mk [hidden] { display: none !important; }

/* phones */
.mk-barr { display: flex; align-items: center; gap: 12px; }
.mk-hand { display: none; white-space: nowrap; padding: 8px 14px; border: 2px solid rgba(255,255,255,.7); border-radius: 999px; background: rgba(255,255,255,.14); color: #fff; font: inherit; font-weight: 700; font-size: 14px; cursor: pointer; }
@media (max-width: 899px) {
    .mk-hand { display: inline-block; }
    .mk-bar { position: sticky; top: 0; z-index: 30; margin: 0 -2px 12px; border-radius: 12px; padding: 10px 14px; box-shadow: 0 8px 18px -12px rgba(15,58,107,.7); }
    .mk-bar b { font-size: 15px; display: block; max-width: 44vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .mk-clock { font-size: 22px; }
    .mk-submit { margin-top: 4px; }
}
@media (max-width: 560px) {
    .mk-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
    .mk-nav .jb-btn { width: 100%; justify-content: center; padding: 12px 8px; }
    .mk-flag, .mk-clear { width: 100%; padding: 11px 8px; }
    .mk-nav #mk-prev { order: 1; } .mk-nav #mk-next { order: 2; } .mk-nav #mk-flag { order: 3; } .mk-nav #mk-clear { order: 4; }
    .mk-res-top { justify-content: center; text-align: center; }
    .mk-stats { justify-content: center; }
    .mk-trow { grid-template-columns: minmax(0, 1fr) 46px; }
    .mk-trow .mk-tbar { grid-column: 1 / -1; grid-row: 2; }
    .mk-hist table, .mk-hist thead { display: block; } .mk-hist tbody { display: grid; gap: 8px; } .mk-hist thead { display: none; }
    .mk-hist tr { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; padding: 10px 12px; border: 1px solid var(--jb-line); border-radius: 10px; }
    .mk-hist td { padding: 0; border: 0; } .mk-hist td:nth-child(2) { grid-column: 1; grid-row: 1; font-weight: 600; } .mk-hist td:nth-child(3) { grid-column: 2; grid-row: 1; text-align: right; } .mk-hist td:nth-child(1), .mk-hist td:nth-child(4) { font-size: 12px; color: var(--jb-ink-3); }
}