/* ========================================================================= Teorie čísel od A do Z — styles Dependency-free. Light + dark theme via [data-theme] on . ========================================================================= */ :root { --accent: #6d5efc; /* indigo/violet — main */ --accent-2: #8b7bff; --accent-dark: #5446d6; --gold: #f0a500; /* warm highlight */ --teal: #11b3a3; /* light theme (default) */ --bg: #f4f5fb; --bg-soft: #eef0f9; --card: #ffffff; --card-2: #fbfbfe; --ink: #1a1c2e; --ink-soft: #4a4d68; --ink-faint: #8b8fab; --line: #e4e6f1; --line-soft: #eef0f7; --code-bg: #f3f1fd; --header-grad-1: #2a2154; --header-grad-2: #15122e; --header-glow: rgba(109,94,252,.45); --shadow-sm: 0 1px 2px rgba(26,28,46,.05), 0 4px 12px rgba(26,28,46,.06); --shadow-md: 0 2px 6px rgba(26,28,46,.06), 0 12px 32px rgba(26,28,46,.10); --radius: 16px; --radius-sm: 11px; --sidebar-w: 280px; --content-w: 760px; --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif; --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace; font-synthesis: none; } html[data-theme="dark"] { --bg: #0e1020; --bg-soft: #14172b; --card: #181b30; --card-2: #1d2138; --ink: #e8eaf6; --ink-soft: #b3b7d4; --ink-faint: #7f84a8; --line: #2b2f4a; --line-soft: #242843; --code-bg: #232744; --header-grad-1: #221b46; --header-grad-2: #0b0918; --header-glow: rgba(109,94,252,.40); --shadow-sm: 0 1px 2px rgba(0,0,0,.35), 0 4px 14px rgba(0,0,0,.30); --shadow-md: 0 2px 8px rgba(0,0,0,.40), 0 16px 40px rgba(0,0,0,.45); } * { box-sizing: border-box; } html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 24px; } @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } } body { margin: 0; font-family: var(--sans); color: var(--ink); background: var(--bg); line-height: 1.62; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; } a { color: var(--accent-dark); text-decoration: none; } html[data-theme="dark"] a { color: var(--accent-2); } a:hover { text-decoration: underline; } /* ---------- scroll progress bar ---------- */ .progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; background: transparent; z-index: 60; pointer-events: none; } .progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--teal)); } /* ---------- layout ---------- */ .layout { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); align-items: start; max-width: 1240px; margin-inline: auto; } /* ========================================================================= SIDEBAR ========================================================================= */ .sidebar { position: sticky; top: 0; height: 100vh; height: 100dvh; overflow-y: auto; background: linear-gradient(170deg, var(--header-grad-1), var(--header-grad-2)); color: #e9e7fb; border-right: 1px solid rgba(255,255,255,.06); } .sidebar::before { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 280px at 30% -8%, var(--header-glow), transparent 65%); pointer-events: none; } .sidebar-inner { position: relative; padding: 24px 18px 28px; display: flex; flex-direction: column; min-height: 100%; } .brand { display: flex; align-items: center; gap: 12px; color: #fff; margin-bottom: 22px; } .brand:hover { text-decoration: none; } .brand-mark { font-family: var(--serif); font-size: 1.6rem; line-height: 1; width: 42px; height: 42px; flex: none; display: grid; place-items: center; background: linear-gradient(140deg, var(--accent), var(--accent-dark)); border-radius: 12px; box-shadow: 0 6px 18px rgba(109,94,252,.45); } .brand-text { display: flex; flex-direction: column; font-weight: 800; letter-spacing: -.01em; line-height: 1.15; } .brand-text small { font-weight: 500; font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: #b9b4e8; } /* TOC */ .toc { display: flex; flex-direction: column; gap: 2px; } .toc a { color: #c4c0e8; display: block; padding: 6px 12px; border-radius: 8px; font-size: .9rem; line-height: 1.35; transition: background .14s, color .14s; } .toc a:hover { color: #fff; background: rgba(255,255,255,.06); text-decoration: none; } .toc .toc-top { font-weight: 700; color: #ded9ff; margin: 2px 0; } .toc-block { margin-top: 12px; padding-top: 10px; border-top: 1px solid rgba(255,255,255,.07); } .toc-h { font-weight: 700; color: #fff !important; font-size: .94rem !important; display: flex; align-items: baseline; gap: 8px; } .toc-h .num { font-size: .68rem; font-weight: 800; width: 18px; height: 18px; flex: none; display: inline-grid; place-items: center; background: rgba(255,255,255,.12); border-radius: 6px; color: #fff; } .toc-block > a:not(.toc-h) { padding-left: 26px; font-size: .83rem; } /* active state from scrollspy */ .toc a.active { color: #fff; background: rgba(109,94,252,.30); box-shadow: inset 2px 0 0 var(--accent-2); } .toc-h.active .num { background: var(--accent); } /* KaTeX inside TOC: keep small + inherit color */ .toc .katex { font-size: .92em; color: inherit; } /* theme toggle */ .theme-btn { background: rgba(255,255,255,.08); color: #ece9ff; border: 1px solid rgba(255,255,255,.14); border-radius: 10px; cursor: pointer; font: inherit; padding: 9px 12px; transition: background .15s, border-color .15s; } .theme-btn:hover { background: rgba(255,255,255,.16); } .theme-btn.wide { margin-top: auto; padding-top: 18px; } .theme-btn.wide { display: flex; align-items: center; gap: 9px; justify-content: center; margin-top: 24px; font-weight: 600; font-size: .9rem; } /* scrim behind mobile drawer */ .scrim { position: fixed; inset: 0; background: rgba(8,8,20,.5); z-index: 44; border: 0; } /* ========================================================================= CONTENT ========================================================================= */ .content { width: 100%; max-width: calc(var(--content-w) + 96px); margin-inline: auto; padding: 0 clamp(20px, 5vw, 48px) 80px; } .section { padding-top: 14px; } .block-start { margin-top: 46px; padding-top: 30px; border-top: 1px solid var(--line); } .content h1, .content h2, .content h3, .content h4 { letter-spacing: -.018em; line-height: 1.18; color: var(--ink); } .content h2 { font-size: clamp(1.55rem, 3.8vw, 2.1rem); margin: .2em 0 .55em; font-weight: 800; } .content h2 .sub-h { font-weight: 500; color: var(--ink-faint); font-size: .62em; letter-spacing: 0; } .content h3 { font-size: clamp(1.18rem, 2.6vw, 1.42rem); margin: 1.9em 0 .5em; font-weight: 750; scroll-margin-top: 12px; } .content h3 .sub-h { font-weight: 500; color: var(--ink-faint); font-size: .82em; } .content h4 { font-size: 1.06rem; margin: 0 0 .35em; font-weight: 750; } .content p { margin: 0 0 1.05em; } .content em { color: inherit; } .content strong { font-weight: 700; } .content section[id], .block-start[id] { scroll-margin-top: 14px; } code { font-family: var(--mono); font-size: .88em; background: var(--code-bg); color: var(--accent-dark); padding: .1em .4em; border-radius: 6px; } html[data-theme="dark"] code { color: var(--accent-2); } /* ---------- HERO ---------- */ .hero { padding-top: 54px; } .eyebrow { text-transform: uppercase; letter-spacing: .18em; font-size: .76rem; font-weight: 700; color: var(--accent-dark); margin: 0 0 14px; } html[data-theme="dark"] .eyebrow { color: var(--accent-2); } .hero h1 { font-size: clamp(2.3rem, 7vw, 3.5rem); font-weight: 850; margin: 0 0 .28em; line-height: 1.05; } .hero h1 .grad { background: linear-gradient(120deg, var(--accent), var(--teal) 90%); -webkit-background-clip: text; background-clip: text; color: transparent; } .lead { font-size: clamp(1.05rem, 2.4vw, 1.28rem); color: var(--ink-soft); max-width: 62ch; margin-bottom: 1.4em; } .hero-meta { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 34px; } .chip { font-size: .82rem; font-weight: 600; background: var(--card); border: 1px solid var(--line); color: var(--ink-soft); padding: 6px 13px; border-radius: 999px; box-shadow: var(--shadow-sm); } /* roadmap cards */ .roadmap { display: grid; gap: 14px; margin: 0 0 34px; grid-template-columns: repeat(auto-fit, minmax(165px, 1fr)); } .rm-card { position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 4px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 16px 16px 18px; box-shadow: var(--shadow-sm); color: var(--ink); transition: transform .16s, box-shadow .16s, border-color .16s; } .rm-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--accent-2); text-decoration: none; } .rm-num { font-family: var(--serif); font-weight: 700; width: 32px; height: 32px; display: grid; place-items: center; border-radius: 9px; color: #fff; margin-bottom: 6px; background: linear-gradient(140deg, var(--accent), var(--accent-dark)); } .rm-card b { font-size: 1.02rem; } .rm-card span:last-child { font-size: .85rem; color: var(--ink-faint); line-height: 1.4; } .rm-card.finale { background: linear-gradient(160deg, var(--card), var(--code-bg)); border-color: var(--accent-2); } .rm-card.finale .rm-num { background: linear-gradient(140deg, var(--gold), #d98b00); box-shadow: 0 6px 16px rgba(240,165,0,.35); } /* block kicker */ .block-kicker { text-transform: uppercase; letter-spacing: .16em; font-size: .76rem; font-weight: 800; color: var(--accent-dark); margin: 0 0 4px; } html[data-theme="dark"] .block-kicker { color: var(--accent-2); } .finale-block .block-kicker { color: #c98c00; } html[data-theme="dark"] .finale-block .block-kicker { color: var(--gold); } /* ========================================================================= CALLOUTS ========================================================================= */ .callout { position: relative; background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: var(--radius-sm); padding: 16px 18px 6px; margin: 18px 0 24px; box-shadow: var(--shadow-sm); } .callout > p:last-child { margin-bottom: 14px; } .callout-label { display: inline-block; font-size: .7rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; color: var(--accent-dark); margin-bottom: 8px; } html[data-theme="dark"] .callout-label { color: var(--accent-2); } .callout-label.tight { margin-bottom: 0; } .callout.def { border-left-color: var(--accent); } .callout.thm { border-left-color: var(--teal); background: linear-gradient(180deg, color-mix(in srgb, var(--teal) 6%, var(--card)), var(--card)); } .callout.thm .callout-label { color: var(--teal); } .callout.goal { border-left-color: var(--gold); background: linear-gradient(180deg, color-mix(in srgb, var(--gold) 8%, var(--card)), var(--card)); } .callout.goal .callout-label { color: #c98c00; } html[data-theme="dark"] .callout.goal .callout-label { color: var(--gold); } .callout.example { border-left-color: var(--ink-faint); background: var(--card-2); } .callout.example .callout-label { color: var(--ink-faint); } .callout.note { border-left-color: var(--accent-2); background: var(--card-2); } .callout.idea { border-left-color: var(--gold); } .callout.idea .callout-label { color: #c98c00; } html[data-theme="dark"] .callout.idea .callout-label { color: var(--gold); } .callout.idea.small { padding-bottom: 4px; } .callout.warn { border-left-color: #e0483d; background: linear-gradient(180deg, color-mix(in srgb, #e0483d 7%, var(--card)), var(--card)); } .callout.warn .callout-label { color: #d63a2f; } .callout.history { border-left-color: #b0795a; background: linear-gradient(180deg, color-mix(in srgb, #b0795a 8%, var(--card)), var(--card)); } .callout.history .callout-label { color: #9a6240; } html[data-theme="dark"] .callout.history .callout-label { color: #d9a679; } .callout.history p b { color: var(--ink); } .callout ul, .callout ol { margin: 0 0 14px; padding-left: 1.3em; } .callout li { margin: .3em 0; } .recap { list-style: none; padding-left: 0; } .recap li { padding-left: 1.4em; position: relative; } .recap li::before { content: "→"; position: absolute; left: 0; color: var(--accent); font-weight: 700; } .aside-note { font-size: .92rem; color: var(--ink-soft); border-left: 2px solid var(--line); padding-left: 14px; margin: 0 0 1.1em; } .kbd { font-family: var(--mono); font-size: .82em; background: var(--code-bg); border: 1px solid var(--line); padding: .08em .45em; border-radius: 6px; color: var(--ink-soft); white-space: nowrap; } /* ---------- proofs (details/summary) ---------- */ .proof { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--card-2); margin: -8px 0 24px; overflow: hidden; } .proof > summary { cursor: pointer; list-style: none; font-weight: 700; font-size: .9rem; color: var(--ink-soft); padding: 11px 16px; display: flex; align-items: center; gap: 9px; user-select: none; } .proof > summary::-webkit-details-marker { display: none; } .proof > summary::before { content: "▸"; color: var(--accent); transition: transform .16s; display: inline-block; } .proof[open] > summary::before { transform: rotate(90deg); } .proof > summary::after { content: "Důkaz"; position: absolute; left: -9999px; } .proof[open] > summary { border-bottom: 1px solid var(--line); color: var(--ink); } .proof > :not(summary) { padding-inline: 18px; } .proof > p:first-of-type { padding-top: 12px; } .proof > p:last-child, .proof > ul:last-child { padding-bottom: 14px; margin-bottom: 0; } .proof ul { margin-bottom: 12px; } /* ---------- steps / lists ---------- */ ol.steps { counter-reset: step; list-style: none; padding-left: 0; margin: 0 0 22px; } ol.steps > li { counter-increment: step; position: relative; padding: 4px 0 14px 44px; margin: 0; } ol.steps > li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 30px; height: 30px; display: grid; place-items: center; background: linear-gradient(140deg, var(--accent), var(--accent-dark)); color: #fff; font-weight: 700; font-size: .9rem; border-radius: 9px; box-shadow: var(--shadow-sm); } ol.steps > li:not(:last-child)::after { content: ""; position: absolute; left: 14px; top: 34px; bottom: 4px; width: 2px; background: var(--line); } .ref { font-size: .8em; color: var(--accent-dark); font-weight: 600; white-space: nowrap; } html[data-theme="dark"] .ref { color: var(--accent-2); } ul.next, ul.recap { line-height: 1.6; } ul.next { padding-left: 1.2em; } ul.next li { margin: .45em 0; } /* RSA key pair cards */ .keypair { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 8px 0 24px; } .key { border-radius: var(--radius-sm); padding: 16px 18px; border: 1px solid var(--line); display: flex; flex-direction: column; gap: 5px; box-shadow: var(--shadow-sm); } .key.pub { background: linear-gradient(160deg, color-mix(in srgb, var(--teal) 9%, var(--card)), var(--card)); border-color: color-mix(in srgb, var(--teal) 35%, var(--line)); } .key.prv { background: linear-gradient(160deg, color-mix(in srgb, var(--accent) 9%, var(--card)), var(--card)); border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); } .key-label { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); } .key-val { font-size: 1.3rem; } .key-note { font-size: .82rem; color: var(--ink-faint); } /* ========================================================================= NOTATION LEGEND (Tahák) ========================================================================= */ .lead-sm { font-size: 1.02rem; color: var(--ink-soft); max-width: 64ch; } .legend-details { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow-sm); margin: 16px 0 8px; overflow: hidden; } .legend-details > summary { cursor: pointer; list-style: none; user-select: none; font-weight: 700; font-size: 1.02rem; padding: 14px 18px; display: flex; align-items: center; gap: 10px; background: linear-gradient(160deg, color-mix(in srgb, var(--accent) 9%, var(--card)), var(--card)); } .legend-details > summary::-webkit-details-marker { display: none; } .legend-details > summary::after { content: "▸"; margin-left: auto; color: var(--accent); font-size: 1.1rem; transition: transform .18s; } .legend-details[open] > summary::after { transform: rotate(90deg); } .legend-details[open] > summary { border-bottom: 1px solid var(--line); } .sum-ico { font-size: 1.15rem; } .sum-hint { font-weight: 500; font-size: .82rem; color: var(--ink-faint); } .legend-body { padding: 4px 18px 14px; } .notation-group { margin: 20px 0; } .notation-group h4 { margin: 0 0 6px; font-size: 1.04rem; } .notation-group .muted { font-weight: 500; color: var(--ink-faint); font-size: .82em; } .group-note { font-size: .9rem; color: var(--ink-soft); margin: 8px 0 0; } table.notation { width: 100%; border-collapse: collapse; } table.notation td { padding: 9px 12px; border-bottom: 1px solid var(--line-soft); vertical-align: top; font-size: .95rem; } table.notation tr:last-child td { border-bottom: none; } table.notation .sym { width: 1%; white-space: nowrap; text-align: center; font-size: 1.08rem; } table.notation .sym .katex { color: var(--ink); } table.notation .read { color: var(--accent-dark); font-weight: 650; line-height: 1.4; } html[data-theme="dark"] table.notation .read { color: var(--accent-2); } table.notation .mean { color: var(--ink-soft); } .decode { background: var(--card-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; font-size: 1.05rem; } .decode .dc { color: var(--accent-dark); font-weight: 650; } html[data-theme="dark"] .decode .dc { color: var(--accent-2); } .orig-legend { font-size: .86rem; color: var(--ink-faint); margin: 6px 0 0; } .orig-chip { display: inline-block; font-weight: 700; color: var(--accent); } table.notation .orig { display: block; margin-top: 5px; font-size: .82em; color: var(--ink-faint); line-height: 1.45; } table.notation .orig::before { content: "↳ původ: "; font-weight: 700; color: var(--accent); } table.notation .orig b, table.notation .orig strong, table.notation .orig em { color: var(--ink-soft); } @media (max-width: 560px) { table.notation, table.notation tbody, table.notation tr, table.notation td { display: block; width: auto; } table.notation tr { padding: 10px 0; border-bottom: 1px solid var(--line); } table.notation tr:last-child { border-bottom: none; } table.notation td { border: none; padding: 2px 0; } table.notation .sym { text-align: left; font-size: 1.2rem; margin-bottom: 4px; } } /* ========================================================================= WIDGETS ========================================================================= */ .challenge-head { margin: 30px 0 0; padding: 16px 18px 4px; background: linear-gradient(160deg, color-mix(in srgb, var(--accent) 8%, var(--card)), var(--card)); border: 1px solid var(--line); border-bottom: none; border-radius: var(--radius) var(--radius) 0 0; } .challenge-head h4 { margin: 4px 0 .3em; font-size: 1.12rem; } .challenge-head p { font-size: .92rem; color: var(--ink-soft); margin-bottom: 14px; } .widget { background: var(--card); border: 1px solid var(--line); border-top: none; border-radius: 0 0 var(--radius) var(--radius); padding: 18px; margin: 0 0 28px; box-shadow: var(--shadow-md); } .w-controls { display: flex; flex-wrap: wrap; gap: 14px 16px; align-items: flex-end; } .w-field { display: flex; flex-direction: column; gap: 5px; } .w-field label { font-size: .74rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-soft); } .w-field input, .w-field select { font: inherit; font-size: .96rem; color: var(--ink); background: var(--card-2); border: 1px solid var(--line); border-radius: 9px; padding: 9px 11px; width: 100%; outline: none; transition: border-color .14s, box-shadow .14s; } .w-field input[type="number"] { width: 120px; } .w-field input:focus, .w-field select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); } .w-field.grow { flex: 1 1 220px; } .w-field.grow input { width: 100%; } .btn { font: inherit; font-weight: 700; font-size: .92rem; color: #fff; background: linear-gradient(140deg, var(--accent), var(--accent-dark)); border: none; border-radius: 9px; padding: 10px 18px; cursor: pointer; box-shadow: var(--shadow-sm); transition: filter .14s, transform .08s; } .btn:hover { filter: brightness(1.07); } .btn:active { transform: translateY(1px); } .btn.ghost { background: transparent; color: var(--accent-dark); border: 1px solid var(--line); box-shadow: none; font-weight: 600; } html[data-theme="dark"] .btn.ghost { color: var(--accent-2); } .btn.ghost:hover { background: var(--code-bg); filter: none; } .btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; } /* widget output */ .w-out { margin-top: 16px; } .w-out:empty { display: none; } .result-line { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; padding: 11px 14px; border-radius: var(--radius-sm); background: var(--card-2); border: 1px solid var(--line); margin-bottom: 10px; font-size: 1.02rem; } .result-line.good { border-color: color-mix(in srgb, var(--teal) 45%, var(--line)); background: color-mix(in srgb, var(--teal) 9%, var(--card)); } .result-line.bad { border-color: color-mix(in srgb, #e0483d 45%, var(--line)); background: color-mix(in srgb, #e0483d 8%, var(--card)); } .result-line .rl-k { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-faint); } .result-line .rl-v { font-weight: 700; } .result-line .rl-v.mono { font-family: var(--mono); font-weight: 600; word-break: break-all; } .badge { font-size: .76rem; font-weight: 700; padding: 2px 9px; border-radius: 999px; } .badge.ok { background: color-mix(in srgb, var(--teal) 18%, transparent); color: var(--teal); } .badge.no { background: color-mix(in srgb, #e0483d 16%, transparent); color: #d63a2f; } .steps-note { font-size: .82rem; color: var(--ink-faint); margin: 4px 0 10px; } /* tables in widgets */ .w-table-wrap { overflow-x: auto; margin: 10px 0 6px; border: 1px solid var(--line); border-radius: var(--radius-sm); } table.w-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: .9rem; } table.w-table th, table.w-table td { padding: 8px 12px; text-align: right; white-space: nowrap; } table.w-table th { background: var(--card-2); color: var(--ink-soft); font-size: .76rem; text-transform: uppercase; letter-spacing: .03em; border-bottom: 1px solid var(--line); position: sticky; top: 0; } table.w-table td { border-bottom: 1px solid var(--line-soft); font-family: var(--mono); } table.w-table tr:last-child td { border-bottom: none; } table.w-table tr.highlight td { background: color-mix(in srgb, var(--gold) 12%, var(--card)); font-weight: 700; } table.w-table td:first-child, table.w-table th:first-child { text-align: left; } /* general solution slider */ .slider-box { margin-top: 12px; padding: 14px; background: var(--card-2); border: 1px solid var(--line); border-radius: var(--radius-sm); } .slider-box input[type="range"] { width: 100%; accent-color: var(--accent); } .slider-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; } .slider-val { font-family: var(--mono); font-weight: 700; font-size: 1.05rem; } .w-error { color: #d63a2f; font-weight: 600; font-size: .92rem; padding: 10px 14px; background: color-mix(in srgb, #e0483d 8%, var(--card)); border: 1px solid color-mix(in srgb, #e0483d 35%, var(--line)); border-radius: var(--radius-sm); } .crt-rows { display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; } .crt-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; } .crt-row .lab { font-family: var(--mono); color: var(--ink-soft); font-size: .9rem; white-space: nowrap; } .crt-row input { width: 92px; } .crt-row .rm { background: none; border: none; color: var(--ink-faint); cursor: pointer; font-size: 1.2rem; line-height: 1; padding: 4px; } .crt-row .rm:hover { color: #d63a2f; } .flow { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 12px 0; font-family: var(--mono); font-size: .92rem; } .flow .pill { background: var(--code-bg); border: 1px solid var(--line); border-radius: 8px; padding: 6px 11px; } .flow .arr { color: var(--accent); font-weight: 700; } /* ========================================================================= FOOTER + misc ========================================================================= */ .page-footer { margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--line); color: var(--ink-faint); } .ft-title { font-weight: 800; color: var(--ink); margin: 0 0 4px; font-size: 1.05rem; } .ft-sub { font-size: .9rem; margin: 0 0 8px; color: var(--ink-soft); } .ft-tiny { font-size: .82rem; margin: 0; } .to-top { position: fixed; right: 22px; bottom: 22px; z-index: 40; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line); background: var(--card); color: var(--ink); font-size: 1.3rem; cursor: pointer; box-shadow: var(--shadow-md); transition: transform .15s, opacity .2s; } .to-top:hover { transform: translateY(-3px); color: var(--accent); } /* topbar (mobile only) */ .topbar { display: none; } /* KaTeX sizing tweaks */ .katex { font-size: 1.04em; } .katex-display { margin: 1em 0; overflow-x: auto; overflow-y: hidden; padding: 2px 0; } .callout .katex-display { margin: .6em 0; } /* ========================================================================= RESPONSIVE ========================================================================= */ @media (max-width: 980px) { .layout { grid-template-columns: 1fr; } .topbar { display: flex; align-items: center; gap: 12px; position: sticky; top: 0; z-index: 50; background: linear-gradient(160deg, var(--header-grad-1), var(--header-grad-2)); color: #fff; padding: 11px 16px; box-shadow: 0 2px 12px rgba(0,0,0,.25); } .topbar-title { font-weight: 800; letter-spacing: -.01em; flex: 1; font-size: 1rem; } .topbar .theme-btn { padding: 6px 10px; } .menu-btn { width: 38px; height: 34px; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.08); border-radius: 9px; cursor: pointer; display: grid; place-content: center; gap: 4px; padding: 0; } .menu-btn span { display: block; width: 18px; height: 2px; background: #fff; border-radius: 2px; transition: transform .2s, opacity .2s; } .menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); } .menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; } .menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); } .sidebar { position: fixed; top: 0; left: 0; bottom: 0; height: 100dvh; width: min(86vw, 320px); z-index: 45; transform: translateX(-102%); transition: transform .26s ease; border-right: 1px solid rgba(255,255,255,.08); } .sidebar.open { transform: translateX(0); box-shadow: 0 0 60px rgba(0,0,0,.5); } .theme-btn.wide { display: none; } /* mobile uses topbar toggle */ .content { max-width: 720px; padding-top: 4px; } .hero { padding-top: 30px; } } @media (prefers-reduced-motion: reduce) { .sidebar { transition: none; } } @media (max-width: 560px) { .keypair { grid-template-columns: 1fr; } .roadmap { grid-template-columns: 1fr 1fr; } .w-field input[type="number"] { width: 100%; } .content { padding-inline: 18px; } .callout { padding-inline: 14px; } } @media (max-width: 380px) { .roadmap { grid-template-columns: 1fr; } }