:root {
  --bg: #050505; --bg-2: #0b0b0a; --bg-3: #111110;
  --line: rgb(255 255 255 / .1); --line-2: rgb(255 255 255 / .18);
  --ink: #f4f2ea; --muted: #9b988e; --dim: #6f6c64;
  --gold: #ffe14a; --gold-ink: #0a0a09;
  --green: #3ddc97; --red: #ff6b6b; --blue: #4da3ff;
  --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --sans: "Albert Sans", system-ui, sans-serif;
  --gut: clamp(16px, 4vw, 40px);
  --ease: cubic-bezier(.23, 1, .32, 1);
}
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { background: var(--bg); color-scheme: dark; -webkit-text-size-adjust: 100%; }
body { background: var(--bg); color: var(--ink); font: 400 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; min-height: 100vh; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--gold); color: var(--gold-ink); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.muted { color: var(--muted); }

/* top bar */
.top { position: sticky; top: 0; z-index: 20; height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 var(--gut);
       background: rgb(5 5 5 / .86); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.logo { display: flex; align-items: center; gap: 10px; font: 600 15px/1 var(--sans); letter-spacing: .02em; text-transform: uppercase; }
.logo svg { width: 26px; height: 22px; color: var(--ink); }
.top__nav { display: flex; align-items: center; gap: 6px; }
.top__nav a { display: flex; align-items: center; gap: 8px; height: 36px; padding: 0 12px; border-radius: 8px; font: 500 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--muted); transition: color 160ms, background-color 160ms; }
.top__nav a:hover { color: var(--ink); background: var(--bg-3); }
.top__dc svg { width: 16px; height: 16px; color: #8c9bff; }
.top__me img, .av { width: 26px; height: 26px; border-radius: 50%; }
.av { display: grid; place-items: center; background: var(--gold); color: var(--gold-ink); font: 600 12px/1 var(--sans); font-style: normal; }
@media (max-width: 560px) { .top__nav a span { display: none; } .logo span { display: none; } }

/* shared bits */
.tag { display: inline-flex; align-items: center; gap: 8px; padding: 7px 11px; border: 1px solid var(--line-2); border-radius: 6px; background: #121211;
       font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.tag i { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 10px var(--gold); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 22px; border-radius: 6px; background: var(--gold); color: var(--gold-ink);
       font: 500 13px/1 var(--mono); text-transform: uppercase; letter-spacing: .06em; transition: transform 160ms var(--ease), filter 160ms; }
.btn svg { width: 12px; height: 12px; }
.btn:hover { filter: brightness(1.06); }
.btn:active { transform: scale(.97); }
.btn--dc { background: #5865f2; color: #fff; }
.btn--dc svg { width: 20px; height: 20px; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 var(--gut); }
.empty { min-height: 60vh; display: grid; place-content: center; justify-items: center; gap: 18px; text-align: center; }

/* login / activate gate */
.gate { min-height: calc(100vh - 60px); display: grid; place-items: center; padding: 40px var(--gut);
        background: radial-gradient(50% 45% at 50% 40%, rgb(255 225 74 / .1), transparent 70%); }
.gate__card { width: 100%; max-width: 440px; display: grid; justify-items: center; gap: 18px; text-align: center; padding: 40px 28px; border: 1px solid var(--line); border-radius: 14px; background: var(--bg-2); }
.gate__logo svg { width: 54px; height: 47px; color: var(--gold); }
.gate h1 { font: 500 clamp(26px, 6vw, 32px)/1.05 var(--mono); text-transform: uppercase; letter-spacing: -.02em; }
.gate .btn { width: 100%; }
.gate__small { font-size: 13px; color: var(--muted); }
.gate__small a, .gate__list a { color: var(--gold); }
.gate__steps { counter-reset: s; display: grid; gap: 8px; text-align: left; width: 100%; font-size: 14px; color: var(--muted); }
.gate__steps li { counter-increment: s; display: flex; gap: 10px; }
.gate__steps li::before { content: counter(s); flex: none; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line-2); font: 500 11px/1 var(--mono); color: var(--gold); }
.gate__list { display: grid; gap: 8px; text-align: left; font-size: 14px; color: var(--muted); list-style: disc; padding-left: 18px; }
.gate__dev { font: 400 12px/1 var(--mono); color: var(--dim); text-decoration: underline; }
.alert { width: 100%; padding: 12px 14px; border: 1px solid rgb(255 107 107 / .4); border-radius: 8px; background: rgb(255 107 107 / .08); color: #ffb3b3; font-size: 14px; text-align: left; }

/* dashboard */
.dash { padding-top: clamp(28px, 5vw, 56px); padding-bottom: 80px; display: grid; gap: 20px; }
.hello { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.hello > div:first-child { display: grid; gap: 14px; justify-items: start; }
.hello h1 { font: 500 clamp(30px, 5vw, 52px)/1 var(--mono); text-transform: uppercase; letter-spacing: -.03em; }
.ring { --p: 0; flex: none; width: 112px; height: 112px; border-radius: 50%; display: grid; place-content: center; text-align: center;
        background: radial-gradient(closest-side, var(--bg) 82%, transparent 83%), conic-gradient(var(--gold) calc(var(--p) * 1%), #1c1b18 0); }
.ring b { font: 500 26px/1 var(--mono); }
.ring span { font: 400 11px/1.6 var(--mono); text-transform: uppercase; color: var(--muted); }
.next { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 18px; padding: 18px 20px; border: 1px solid color-mix(in srgb, var(--c) 40%, transparent); border-radius: 12px;
        background: radial-gradient(70% 120% at 0% 0%, color-mix(in srgb, var(--c) 14%, transparent), transparent 70%), var(--bg-2); transition: transform 200ms var(--ease), border-color 200ms; }
.next:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--c) 70%, transparent); }
.next__emo { width: 56px; height: 56px; display: grid; place-items: center; font-size: 28px; border-radius: 12px; background: color-mix(in srgb, var(--c) 16%, #0a0a09); border: 1px solid color-mix(in srgb, var(--c) 35%, transparent); }
.next__txt { display: grid; gap: 4px; min-width: 0; }
.next__k { font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--c); }
.next__txt b { font: 500 22px/1.1 var(--mono); text-transform: uppercase; }
.next__txt .muted { font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.quick { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.quick a { display: grid; grid-template-columns: auto 1fr; column-gap: 12px; align-items: center; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-2); transition: border-color 160ms, transform 200ms var(--ease); }
.quick a:hover { border-color: var(--line-2); transform: translateY(-2px); }
.quick a > span:first-child { grid-row: span 2; font-size: 22px; }
.quick b { font: 500 13px/1.2 var(--mono); text-transform: uppercase; }
.quick a > span:last-child { font-size: 13px; color: var(--muted); }
.mods { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 12px; }
.mod { border: 1px solid var(--line); border-radius: 12px; background: var(--bg-2); overflow: hidden; }
.mod__head { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; padding: 16px 18px 12px; }
.mod__emo { width: 44px; height: 44px; display: grid; place-items: center; font-size: 22px; border-radius: 10px; background: color-mix(in srgb, var(--c) 14%, #0a0a09); border: 1px solid color-mix(in srgb, var(--c) 35%, transparent); }
.mod__num { font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--c); }
.mod h2 { font: 500 20px/1.2 var(--mono); text-transform: uppercase; margin-top: 4px; }
.mod__count { font: 400 13px/1 var(--mono); color: var(--muted); }
.mod__count b { color: var(--ink); font-weight: 500; }
.mod__bar { height: 3px; margin: 0 18px 8px; background: #1c1b18; border-radius: 3px; overflow: hidden; }
.mod__bar span { display: block; height: 100%; background: var(--c); }
.mod__list { padding: 4px 8px 10px; }
.mod__list a { display: grid; grid-template-columns: 30px 1fr 18px; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px; font-size: 15px; transition: background-color 140ms; }
.mod__list a:hover { background: var(--bg-3); }
.mod__list b { font: 500 12px/1 var(--mono); color: var(--dim); }
.mod__list i { width: 18px; height: 18px; border-radius: 50%; border: 1px solid var(--line-2); }
.mod__list .is-done i { border-color: var(--green); background: var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2 5 8.6l4.5-5' fill='none' stroke='%23051' stroke-width='1.8'/%3E%3C/svg%3E") center/12px no-repeat; }
.mod__list .is-done span { color: var(--muted); }
.mod__list .is-soon span { color: var(--dim); }
@media (max-width: 860px) { .mods { grid-template-columns: 1fr; } .quick { grid-template-columns: 1fr; } }
@media (max-width: 560px) {
  .hello { align-items: flex-start; } .ring { width: 84px; height: 84px; } .ring b { font-size: 20px; }
  .next { grid-template-columns: auto minmax(0, 1fr); } .next .btn { grid-column: 1 / -1; }
}

/* lesson layout */
.lesson-wrap { display: grid; grid-template-columns: 290px minmax(0, 1fr); min-height: calc(100vh - 60px); }
.side { position: sticky; top: 60px; height: calc(100vh - 60px); overflow-y: auto; padding: 18px 12px 40px; border-right: 1px solid var(--line); background: var(--bg-2); scrollbar-width: thin; }
.side__home { display: block; padding: 8px 10px 14px; font: 500 12px/1 var(--mono); text-transform: uppercase; color: var(--muted); }
.side__home:hover { color: var(--ink); }
.side__mod { border-top: 1px solid var(--line); }
.side__mod summary { display: grid; grid-template-columns: 22px 1fr auto; align-items: center; gap: 8px; padding: 12px 10px; cursor: pointer; list-style: none; font: 500 12px/1.2 var(--mono); text-transform: uppercase; }
.side__mod summary::-webkit-details-marker { display: none; }
.side__mod summary b { font-weight: 400; color: var(--dim); }
.side__mod ol { padding: 0 0 10px; }
.side__mod li a { display: grid; grid-template-columns: 26px 1fr; gap: 6px; padding: 7px 10px 7px 12px; border-radius: 6px; font-size: 14px; line-height: 1.3; color: #c9c6bc; transition: background-color 140ms; }
.side__mod li a:hover { background: var(--bg-3); }
.side__mod li b { font: 500 11px/1.6 var(--mono); color: var(--dim); }
.side__mod li.is-done a { color: var(--muted); }
.side__mod li.is-done b { color: var(--green); }
.side__mod li.is-here a { background: color-mix(in srgb, var(--c) 14%, transparent); color: var(--ink); box-shadow: inset 2px 0 0 var(--c); }
.side__open, .side__close { display: none; }

.lesson { padding: clamp(24px, 4vw, 56px) var(--gut) 80px; max-width: 820px; width: 100%; margin: 0 auto; }
.lesson__head { display: grid; gap: 12px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.lesson__k { display: flex; align-items: center; gap: 8px; font: 500 11px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--c); }
.lesson h1 { font: 500 clamp(32px, 6vw, 56px)/1 var(--mono); text-transform: uppercase; letter-spacing: -.03em; }
.lesson__sub { font-size: clamp(17px, 2vw, 20px); color: #d9d6cc; }
.lesson__time { font: 400 12px/1 var(--mono); text-transform: uppercase; color: var(--dim); }
.toc { display: flex; flex-wrap: wrap; gap: 6px; padding: 18px 0 4px; }
.toc a { padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; font-size: 13px; color: var(--muted); transition: border-color 140ms, color 140ms; }
.toc a:hover { color: var(--ink); border-color: var(--line-2); }

/* lesson content */
.prose { padding-top: 12px; font-size: 17px; line-height: 1.7; color: #dedbd1; }
.prose > * + * { margin-top: 18px; }
.prose h2 { margin-top: 48px; scroll-margin-top: 80px; font: 500 22px/1.2 var(--mono); text-transform: uppercase; letter-spacing: -.01em; color: var(--ink); }
.prose h3 { margin-top: 32px; font: 500 16px/1.3 var(--mono); text-transform: uppercase; color: var(--ink); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose a.xref { color: var(--gold); text-decoration: underline; text-decoration-color: rgb(255 225 74 / .35); text-underline-offset: 3px; }
.prose ul > li, .prose ol > li { position: relative; padding-left: 26px; }
.prose ul > li + li, .prose ol > li + li { margin-top: 8px; }
.prose ul > li::before { content: ""; position: absolute; left: 6px; top: .72em; width: 6px; height: 6px; border-radius: 50%; background: var(--c, var(--gold)); }
.prose ol { counter-reset: n; }
.prose ol > li { counter-increment: n; padding-left: 36px; }
.prose ol > li::before { content: counter(n, decimal-leading-zero); position: absolute; left: 0; top: .2em; font: 500 13px/1.6 var(--mono); color: var(--c, var(--gold)); }

/* tables */
.tbl { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
.tbl table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.45; }
.tbl th { padding: 10px 14px; text-align: left; font: 500 11px/1.3 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); background: var(--bg-3); border-bottom: 1px solid var(--line); }
.tbl td { padding: 12px 14px; vertical-align: top; border-top: 1px solid var(--line); }
.tbl tr:first-child td { border-top: 0; }
.tbl td.k { color: var(--ink); font-weight: 500; white-space: nowrap; }
@media (max-width: 640px) { .tbl td.k { white-space: normal; } .tbl table { font-size: 14px; } .tbl td, .tbl th { padding: 10px; } }
@media (max-width: 760px) {
  .tbl--wide thead { display: none; }
  .tbl--wide table, .tbl--wide tbody, .tbl--wide tr, .tbl--wide td { display: block; }
  .tbl--wide tr + tr { border-top: 1px solid var(--line); }
  .tbl--wide td { border-top: 0; padding: 4px 14px; }
  .tbl--wide td.k { padding-top: 14px; font-size: 15px; }
  .tbl--wide td:last-child { padding-bottom: 14px; }
  .tbl--wide td[data-l]::before { content: attr(data-l); display: block; font: 500 10px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--dim); }
}

/* boxes */
.box { padding: 18px 20px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg-2); font-size: 16px; }
.box > * + * { margin-top: 12px; }
.box__label { font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.box h4 { font: 500 17px/1.3 var(--mono); text-transform: uppercase; color: var(--ink); }
.box--key { border-color: rgb(255 225 74 / .45); background: linear-gradient(rgb(255 225 74 / .08), rgb(255 225 74 / .03)); }
.box--key .box__label { color: var(--gold); }
.box--science { border-color: rgb(77 163 255 / .35); background: rgb(77 163 255 / .05); }
.box--science .box__label { color: var(--blue); }
.box--warning, .box--doctor { border-color: rgb(255 107 107 / .4); background: rgb(255 107 107 / .06); }
.box--warning .box__label, .box--doctor .box__label { color: var(--red); }
.box--exercise, .box--routine { border-color: rgb(61 220 151 / .35); background: rgb(61 220 151 / .05); }
.box--exercise .box__label, .box--routine .box__label { color: var(--green); }
.box__done { display: flex; align-items: center; gap: 10px; padding-top: 14px; border-top: 1px solid var(--line); font: 500 12px/1 var(--mono); text-transform: uppercase; color: var(--muted); cursor: pointer; }

/* checkboxes */
.checklist > li::before { display: none; }
.checklist > li, .prose .ck { padding-left: 0; }
.ck label { display: flex; gap: 12px; align-items: flex-start; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); cursor: pointer; transition: border-color 140ms, background-color 140ms; }
.ck label:hover { border-color: var(--line-2); }
input[type="checkbox"] { flex: none; appearance: none; width: 20px; height: 20px; margin-top: 3px; border: 1.5px solid var(--line-2); border-radius: 5px; background: var(--bg); cursor: pointer; transition: background-color 140ms, border-color 140ms; }
input[type="checkbox"]:checked { border-color: var(--green); background: var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2 5 8.6l4.5-5' fill='none' stroke='%23051' stroke-width='1.8'/%3E%3C/svg%3E") center/13px no-repeat; }
.box__done input { margin-top: 0; }
.ck:has(input:checked) span { color: var(--muted); text-decoration: line-through; text-decoration-color: rgb(255 255 255 / .25); }
.ck:has(input:checked) label { border-color: rgb(61 220 151 / .3); }

/* score card */
.score { border: 1px solid var(--line); border-radius: 10px; background: var(--bg-2); overflow: hidden; }
.score__top { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.score__top .box__label { color: var(--gold); }
.score__total { font: 400 13px/1 var(--mono); color: var(--muted); }
.score__total b { font-size: 18px; color: var(--ink); }
.score__legend { display: grid; grid-template-columns: minmax(0, 1fr) 132px 64px; gap: 10px; padding: 8px 16px; font: 400 10px/1.3 var(--mono); text-transform: uppercase; color: var(--dim); }
.score__row { display: grid; grid-template-columns: minmax(0, 1fr) 132px 64px; gap: 10px; align-items: center; padding: 10px 16px; border-top: 1px solid var(--line); }
.score__what { display: grid; font-size: 15px; line-height: 1.35; }
.score__what span { font-size: 13px; color: var(--muted); }
.score__opts { display: flex; gap: 6px; }
.score__opts label { cursor: pointer; }
.score__opts input { position: absolute; opacity: 0; pointer-events: none; }
.score__opts span { width: 38px; height: 34px; display: grid; place-items: center; border: 1px solid var(--line-2); border-radius: 6px; font: 500 14px/1 var(--mono); color: var(--muted); transition: background-color 140ms, color 140ms, border-color 140ms; }
.score__opts label:nth-child(1) input:checked + span { background: rgb(255 107 107 / .16); border-color: var(--red); color: var(--red); }
.score__opts label:nth-child(2) input:checked + span { background: rgb(255 225 74 / .14); border-color: var(--gold); color: var(--gold); }
.score__opts label:nth-child(3) input:checked + span { background: rgb(61 220 151 / .14); border-color: var(--green); color: var(--green); }
.score__opts input:focus-visible + span { outline: 2px solid var(--gold); outline-offset: 2px; }
.score__ch { font: 400 13px/1.3 var(--mono); }
@media (max-width: 560px) {
  .score__legend { grid-template-columns: 1fr; } .score__legend span + span { display: none; }
  .score__row { grid-template-columns: minmax(0, 1fr) auto; } .score__ch { grid-column: 1; font-size: 12px; } .score__opts { grid-row: span 2; grid-column: 2; grid-row-start: 1; }
}

/* pyramid */
.pyr { display: grid; justify-items: center; gap: 6px; padding: 18px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-2); }
.pyr__row { width: var(--w); min-width: 210px; display: grid; justify-items: center; padding: 8px 10px; border-radius: 6px; text-align: center; background: color-mix(in srgb, var(--gold) calc(4% + (var(--w) - 40%) / 3), #0d0d0c); border: 1px solid rgb(255 225 74 / .25); }
.pyr__row b { font: 500 13px/1.3 var(--mono); text-transform: uppercase; color: var(--ink); }
.pyr__row span { font-size: 13px; line-height: 1.3; color: var(--muted); }
.pyr__note { font: 400 11px/1 var(--mono); text-transform: uppercase; color: var(--dim); margin-top: 4px; }
@media (max-width: 560px) { .pyr__row { width: 100%; min-width: 0; } }

/* calculator and notes */
.calc, .notes { padding: 18px 20px; border: 1px solid rgb(255 225 74 / .35); border-radius: 10px; background: var(--bg-2); display: grid; gap: 14px; }
.calc .box__label, .notes .box__label { color: var(--gold); }
.calc__in { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.calc label { display: grid; gap: 6px; font: 500 11px/1 var(--mono); text-transform: uppercase; color: var(--muted); }
.calc input, .notes textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--line-2); border-radius: 8px; background: var(--bg); color: var(--ink); font: 400 16px/1.5 var(--sans); }
.calc input:focus, .notes textarea:focus { outline: none; border-color: var(--gold); }
.calc__out { font: 500 16px/1.5 var(--mono); color: var(--ink); }
.calc__out b { color: var(--gold); font-size: 22px; }
.notes textarea { resize: vertical; min-height: 140px; }
.notes__hint { font: 400 11px/1 var(--mono); text-transform: uppercase; color: var(--dim); }

.soon { padding: 24px; border: 1px dashed var(--line-2); border-radius: 10px; color: var(--muted); }

/* complete + pager */
.complete { margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--line); display: flex; justify-content: center; }
.complete__btn { min-width: 280px; }
.complete__btn.is-done { background: rgb(61 220 151 / .14); color: var(--green); box-shadow: inset 0 0 0 1px var(--green); }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 24px; }
.pager a { display: grid; gap: 4px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; transition: border-color 140ms; }
.pager a:hover { border-color: var(--line-2); }
.pager span { font: 500 11px/1 var(--mono); text-transform: uppercase; color: var(--muted); }
.pager b { font: 500 15px/1.3 var(--mono); text-transform: uppercase; }
.pager__next { text-align: right; grid-column: 2; }

@media (max-width: 960px) {
  .lesson-wrap { grid-template-columns: minmax(0, 1fr); }
  .side { position: fixed; inset: 0 auto 0 0; top: 0; height: 100vh; width: min(320px, 86vw); z-index: 40; transform: translateX(-100%); transition: transform 240ms var(--ease); box-shadow: 0 0 60px rgb(0 0 0 / .7); }
  .side.is-open { transform: none; }
  .side__open { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; font: 500 12px/1 var(--mono); text-transform: uppercase; color: var(--muted); }
  .side__close { display: block; margin-left: auto; width: 36px; height: 36px; font-size: 24px; color: var(--muted); }
}
@media (max-width: 560px) {
  .prose { font-size: 16px; }
  .pager { grid-template-columns: 1fr; } .pager__next { grid-column: 1; }
  .complete__btn { width: 100%; min-width: 0; }
  .box { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }