:root { color-scheme: dark; --ink: #e7edf7; --muted: #a1b2c8; --paper: #090f1c; --surface: #101b2d; --line: #29384c; --cyan: #5be2f2; --live: #42c9de; --free: #55cd9b; --cached: #ffbd69; --metadata: #ac94ef; --uncommitted: #1e2a3b; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: radial-gradient(ellipse at 85% 5%, #11303c66, transparent 32rem), var(--paper); color: var(--ink); font: 16px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--cyan); text-underline-offset: 4px; }
button, select, input { font: inherit; }
button, .button { border: 1px solid #43566d; background: #17253a; color: var(--ink); border-radius: 8px; padding: .6rem .95rem; transition: background .18s, border-color .18s, transform .18s; }
button, select, input[type=range], input[type=file] { cursor: pointer; }
button:disabled, input:disabled, select:disabled { opacity: .5; cursor: not-allowed; }
button:hover:not(:disabled), .button:hover { background: #243750; border-color: var(--cyan); }
:focus-visible { outline: 3px solid var(--cached); outline-offset: 4px; }
.wrap { width: min(1240px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: absolute; top: -80px; left: 16px; z-index: 50; background: var(--surface); padding: 12px; }
.skip-link:focus { top: 10px; }
.site-header { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 19px; border-bottom: 1px solid var(--line); background: #090f1cf2; backdrop-filter: blur(12px); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.35rem; letter-spacing: -.035em; text-decoration: none; color: var(--ink); }
.brand .brand-suffix { color: var(--muted); font: .65rem Consolas, monospace; letter-spacing: .13em; }.brand-mark { border: 1px solid #3d7583; background: #11323e; padding: 3px 8px; border-radius: 6px; color: var(--cyan); font-family: Consolas, monospace; }
nav { display: flex; flex-wrap: wrap; gap: 22px; font-size: .9rem; }
nav a { color: var(--muted); text-decoration: none; }nav a:hover { color: var(--cyan); }
.hero { padding-block: 76px 38px; }.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 64px; }.hero-grid > * { min-width: 0; }
.eyebrow { color: var(--muted); text-transform: uppercase; letter-spacing: .13em; font-size: .76rem; font-weight: 700; }
h1 { font-size: clamp(2.5rem, 4.6vw, 4.5rem); line-height: 1.1; letter-spacing: -.05em; margin: 24px 0; max-width: 850px; font-weight: 700; }
h1 span { color: var(--cyan); }
.intro { max-width: 560px; font-size: 1.08rem; color: #b5c5d9; }.intro code { color: var(--cached); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 12px; }
.button { display: inline-block; text-decoration: none; }
.primary, #play { background: var(--cyan); color: #081920; border-color: var(--cyan); font-weight: 700; }
.primary:hover, #play:hover:not(:disabled) { background: #9ceff8; color: #081920; }.secondary { background: transparent; }
.disclaimer, .muted, .meta-line { color: var(--muted); font-size: .87rem; }
.feature-strip { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; padding-top: 28px; margin-top: 60px; border-top: 1px solid var(--line); font-size: .85rem; color: var(--muted); }
.feature-strip strong { color: var(--live); margin-right: 8px; font-variant-numeric: tabular-nums; }
.workspace { background: #0c1423; border-block: 1px solid var(--line); padding-block: 48px; scroll-margin-top: 82px; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
h2 { font-size: clamp(1.8rem, 3vw, 2.7rem); letter-spacing: -.04em; line-height: 1.2; margin: 8px 0 22px; font-weight: 650; }
h3 { font-size: 1.05rem; margin: 0 0 12px; }
.badge { border: 1px solid #346371; background: #102e36; color: #91e5ef; border-radius: 30px; padding: 5px 12px; font-size: .75rem; white-space: nowrap; }
#status { min-height: 1.6em; font-size: .84rem; color: var(--muted); }
#status.error { color: #ffac96; font-weight: 600; }
.toolbar, .player, .player-buttons { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.toolbar { padding: 16px; background: #111c2c; border: 1px solid var(--line); border-radius: 10px; }.toolbar label { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; font-size: .8rem; color: var(--muted); }
select { max-width: 100%; padding: .55rem; border: 1px solid #43566d; background: #152237; color: var(--ink); border-radius: 6px; }.scenario-select-label { flex: 1; min-width: 0; }.scenario-select-label select { min-width: 0; }
.file-label { display: flex; max-width: 100%; }.file-drop { border: 1px dashed #49637d; border-radius: 7px; padding: 9px 12px; transition: background .2s, border-color .2s; }.file-drop.drag-over { border-color: var(--cyan); background: #174052; }
input[type=file] { width: 225px; max-width: 100%; font-size: .75rem; }input[type=file]::file-selector-button { background: #243a50; border: 1px solid #4d6379; color: var(--ink); padding: 5px 10px; border-radius: 4px; cursor: pointer; }
.player { margin: 24px 0 16px; padding-top: 22px; border-top: 1px solid var(--line); }
.scrubber { display: flex; flex: 1; align-items: center; gap: 12px; min-width: 230px; }
.scrubber input { flex: 1; min-width: 90px; accent-color: var(--cyan); }.scrubber { font-size: .8rem; color: var(--muted); }.speed-label { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .8rem; }
output { min-width: 58px; font-variant-numeric: tabular-nums; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--line); margin: 20px 0 28px; }
.stats > div { padding: 15px 18px; background: #111e30; }
.stats span { display: block; font-size: .76rem; color: var(--muted); }
.stats strong { display: block; margin-top: 4px; font: 600 1.35rem/1.6 Consolas, monospace; font-variant-numeric: tabular-nums; }#cached, #overhead { color: var(--cached); }#requested, #committed { color: var(--cyan); }
.legend { display: flex; flex-wrap: wrap; gap: 18px; font-size: .85rem; }
.legend span { display: flex; align-items: center; gap: 7px; }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; }
.metadata { background: var(--metadata); }.live { background: var(--live); }.free { background: var(--free); }.cached { background: var(--cached); }.uncommitted { background: repeating-linear-gradient(45deg, #152234, #152234 5px, #29394b 5px, #29394b 7px); }
.map-panel { margin-top: 24px; }
.reservation-map, .heap-map { display: flex; overflow: hidden; background: #060c16; border: 1px solid #55677d; border-radius: 5px; width: 100%; }
.reservation-map { height: 22px; }.heap-map { height: 88px; }
.reservation-map > div, .heap-map > button, .heap-map > div { flex-shrink: 0; padding: 0; border-radius: 0; border: 0; }
.heap-map > button { border-right: 1px solid #09131dbb; min-width: 0; transition: opacity .18s, filter .18s; }.heap-map > button.is-dimmed { opacity: .2; }.heap-map > button.changed-range { background-image: linear-gradient(#ffffffbb 3px, transparent 3px); }.heap-map > button:focus-visible { outline-offset: -4px; position: relative; z-index: 1; }
.heap-map > button:hover { filter: brightness(1.2); }
.heap-map > button.selected { box-shadow: inset 0 0 0 3px #fff; }
.heap-map > button.live:hover { background: var(--live); }.heap-map > button.free:hover { background: var(--free); }.heap-map > button.cached:hover { background: var(--cached); }
.detail-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 18px; margin-top: 20px; }
.panel { background: #101c2d; border: 1px solid var(--line); border-radius: 10px; padding: 22px; min-width: 0; }
dl { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; margin: 0; font-size: .9rem; }
dt { color: var(--muted); }dd { margin: 0; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.bucket-list { max-height: 260px; overflow: auto; }
.bucket-row { display: grid; grid-template-columns: 90px minmax(0, 1fr) 65px; align-items: center; gap: 8px; font: .8rem Consolas, monospace; margin: 14px 0; }
.bucket-track { background: #223148; height: 6px; border-radius: 10px; overflow: hidden; }.bucket-fill { height: 100%; background: var(--cached); border-radius: 10px; }
.block-table { margin-top: 24px; border: 1px solid var(--line); border-radius: 10px; padding: 18px; background: #0e1929; }summary { cursor: pointer; font-weight: 600; }
.table-scroll { overflow: auto; max-height: 390px; margin-top: 14px; }table { border-collapse: collapse; width: 100%; background: #111d2e; font-size: .85rem; }caption { text-align: left; padding: 8px; color: var(--muted); }th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }thead { position: sticky; top: 0; background: #1c2d43; }tbody tr:hover { background: #1b2e43; }
.architecture, .run-section { padding-block: 72px 20px; scroll-margin-top: 80px; }
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }.cards article { border: 1px solid var(--line); border-radius: 12px; background: #0f1a2b; padding: 24px; transition: transform .2s, border-color .2s; }.cards article:hover { transform: translateY(-4px); border-color: #52768a; }.cards p { font-size: .91rem; color: var(--muted); }.number { color: var(--cyan); display: block; margin-bottom: 22px; font-family: Consolas, monospace; }
.note { border-left: 3px solid var(--cached); padding: 4px 20px; margin-top: 30px; max-width: 950px; }
pre { background: #07111e; color: #9debd5; border: 1px solid var(--line); padding: 24px; overflow-x: auto; border-radius: 9px; line-height: 1.9; margin-top: 10px; }code, .mono { font-family: Consolas, monospace; font-size: .85em; }
footer { margin-top: 40px !important; border-top: 1px solid var(--line); padding-block: 24px; font-size: .85rem; color: var(--muted); }
.status-dot { display: inline-block; width: 7px; height: 7px; background: var(--cyan); border-radius: 50%; margin-right: 6px; box-shadow: 0 0 10px #5be2f266; }
.hero-console { border: 1px solid #36566a; background: #0d1928; border-radius: 14px; box-shadow: 0 24px 80px #0006; overflow: hidden; }
.terminal-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px; background: #162338; color: var(--muted); font: .7rem Consolas, monospace; }.terminal-dots { color: #8292a9; letter-spacing: 3px; }.terminal-tag { color: var(--cached); }
.terminal-body { padding: 28px; background-image: linear-gradient(#b0cfe805 1px, transparent 1px), linear-gradient(90deg, #b0cfe805 1px, transparent 1px); background-size: 24px 24px; }.terminal-command { color: #c5d5e7; font: .82rem Consolas, monospace; overflow-wrap: anywhere; }.terminal-command span { color: var(--cyan); margin-right: 8px; }
.pipeline { display: flex; justify-content: space-between; align-items: center; gap: 7px; margin: 38px 0; }.pipeline span { border: 1px solid #36536b; border-radius: 5px; background: #15273c; padding: 10px; font: .67rem Consolas, monospace; color: var(--cyan); }.pipeline i { font-style: normal; color: var(--muted); }
.terminal-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }.terminal-stats dt { font-size: .74rem; }.terminal-stats dd { font: 2rem Consolas, monospace; color: var(--ink); margin-top: 8px; }.terminal-caption { font-size: .77rem; color: var(--cached); margin-block: 22px; }.terminal-foot { border-top: 1px solid var(--line); padding-top: 16px; color: var(--muted); font-size: .73rem; }
.scenario-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; margin: 22px 0 16px; }.scenario-card { text-align: left; padding: 16px; min-width: 0; background: #111e30; border-color: #334258; }.scenario-card:hover:not(:disabled) { transform: translateY(-3px); }.scenario-card.active { border-color: var(--cyan); background: #10323d; box-shadow: inset 0 2px var(--cyan); }.scenario-number { display: block; font: .72rem Consolas, monospace; color: var(--cyan); margin-bottom: 10px; }.scenario-card strong { display: block; font-size: .88rem; line-height: 1.5; overflow-wrap: anywhere; }.scenario-card small { display: block; color: var(--muted); font: .7rem Consolas, monospace; margin-top: 12px; }
.timeline { display: flex; gap: 7px; overflow-x: auto; padding: 5px 2px 12px; margin-bottom: 16px; }.timeline button { flex: 0 0 auto; min-width: 38px; min-height: 38px; padding: 5px 8px; font: .8rem Consolas, monospace; border-color: #40556b; }.timeline button.active { color: #09202a; background: var(--cyan); border-color: var(--cyan); }.timeline button.visited { border-color: #54a6b6; }
.snapshot-heading, .panel-heading, .map-toolbar, .command-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; }.snapshot-heading { padding-top: 4px; }.snapshot-heading h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); line-height: 1.4; overflow-wrap: anywhere; }.view-only { flex-shrink: 0; color: var(--muted); font: .62rem Consolas, monospace; letter-spacing: .05em; }.panel-heading h3 { margin-bottom: 0; }.panel-heading { margin-bottom: 12px; }.panel-heading .eyebrow { margin-top: 0; }
.map-toolbar { flex-wrap: wrap; }.map-toolbar label { display: flex; gap: 10px; align-items: center; font-size: .8rem; color: var(--muted); }.map-axis { display: flex; justify-content: space-between; color: var(--muted); font: .65rem Consolas, monospace; margin-top: 8px; }.changes-panel { margin-top: 24px; border-color: #315b69; background: linear-gradient(110deg, #10283766, transparent), #101c2d; }
.delta-cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; padding: 14px 0; border-block: 1px solid var(--line); }.delta-cards span { display: block; color: var(--muted); font-size: .73rem; }.delta-cards strong { display: block; margin-top: 5px; font: 1.2rem Consolas, monospace; }[data-direction=up] { color: var(--cyan); }[data-direction=down] { color: var(--cached); }[data-direction=same] { color: var(--muted); }.change-events { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 26px; padding-left: 18px; font-size: .85rem; }.change-events li::marker { color: var(--cyan); }
.snapshot-heading > div { min-width: 0; max-width: 100%; }.snapshot-heading .eyebrow { overflow-wrap: anywhere; }.stats strong, .delta-cards strong { overflow-wrap: anywhere; }
.article-index { display: flex; flex-wrap: wrap; gap: 12px 22px; align-items: center; padding-block: 20px; border-block: 1px solid var(--line); font-size: .83rem; }.article-index .eyebrow { flex-basis: 100%; margin: 0; }.article-index a { color: #c3d5e8; }.article-index a:hover { color: var(--cyan); }
.writeup { padding-block: 58px 18px; scroll-margin-top: 90px; }.writeup + .writeup { border-top: 1px solid #29384c88; margin-top: 24px; }.prose { max-width: 850px; color: #bfcee0; }.prose strong { color: var(--ink); }.prose code, .writeup code { overflow-wrap: anywhere; }.writeup h2 { max-width: 900px; }.writeup .eyebrow { color: var(--cyan); }.writeup p { line-height: 1.8; }
.flow-track { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px; list-style: none; padding: 0; margin: 28px 0; }.flow-track li { position: relative; display: flex; flex-direction: column; gap: 9px; padding: 19px; border: 1px solid #395269; border-radius: 8px; background: #112034; min-width: 0; }.flow-track li:not(:last-child)::after { content: "→"; position: absolute; right: -22px; top: 45%; color: var(--cyan); }.flow-track .flow-number { color: var(--cyan); font: .68rem Consolas, monospace; letter-spacing: .09em; }.flow-track li > span:not(.flow-number), .flow-track code { color: var(--muted); font-size: .8rem; }
.explain-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin-top: 24px; }.explain-grid > * { min-width: 0; }.explain-grid li { color: #bfcee0; margin-block: 12px; }.explain-grid strong { color: var(--ink); }.process-list { padding-left: 22px; }.process-list li::marker { color: var(--cyan); }
.technical-table { margin-block: 25px; overflow-x: auto; border: 1px solid var(--line); border-radius: 9px; }.technical-table table { min-width: 540px; }.technical-table th, .technical-table td { white-space: normal; line-height: 1.65; padding: 14px 18px; }.technical-table td:first-child { color: #e3eaf5; font-weight: 600; }.technical-table td { color: #bbccdf; }.technical-table caption { padding: 14px 18px; }
.layout-figure { margin: 28px 0; padding: 22px; border: 1px solid var(--line); border-radius: 10px; background: #0e1a2b; }.layout-figure figcaption { color: var(--muted); font-size: .85rem; margin-bottom: 22px; }.layout-row { display: grid; grid-template-columns: 112px minmax(0, 1fr); align-items: center; gap: 16px; margin-block: 14px; }.layout-row > strong { font-size: .83rem; }.layout-strip { display: flex; flex-wrap: wrap; border-radius: 5px; overflow: hidden; gap: 2px; }.layout-strip span { flex: 1 1 125px; padding: 12px 10px; color: #071620; font: 600 .77rem/1.6 Consolas, monospace; text-align: center; overflow-wrap: anywhere; }
.policy-panel label { display: block; margin-block: 22px 8px; color: var(--muted); }.policy-panel output { color: var(--ink); font-family: Consolas, monospace; }.policy-panel input { width: 100%; accent-color: var(--cached); }.policy-results { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-block: 24px; }.policy-results span { display: block; color: var(--muted); font-size: .8rem; }.policy-results strong { color: var(--cached); font: 1.3rem Consolas, monospace; }.policy-scale { position: relative; height: 14px; background: #22354b; border-radius: 3px; overflow: hidden; }#policy-cap-bar { height: 100%; width: 6.25%; background: var(--cached); }#policy-keep-marker { position: absolute; left: .78125%; top: 0; height: 100%; width: 3px; background: white; }
.capture-preview { margin-top: 22px; padding: 20px; border: 1px solid var(--line); border-radius: 8px; background: #111e30; }.capture-preview figure { margin: 18px 0 0; }.capture-preview img { width: 100%; height: auto; display: block; border: 1px solid #385166; border-radius: 6px; }.capture-preview figcaption { color: var(--muted); font-size: .8rem; margin-top: 12px; }
.pending-badge { border-color: #8d673e; color: var(--cached); background: #362817; }.lesson-list { max-width: 900px; padding-left: 22px; }.lesson-list li { padding: 10px 0 10px 8px; color: #bdcce0; }.lesson-list li::marker { color: var(--cyan); }.lesson-list strong { color: var(--ink); }.lessons-section { padding-bottom: 40px; }
#copy-status { min-height: 1.6em; }.command-heading { margin-top: 24px; }.empty-state { color: var(--muted); padding: 18px 0; font-size: .85rem; }
@media (max-width: 1000px) { .hero-grid { gap: 32px; }.terminal-body { padding: 20px; }.cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }.toolbar { align-items: stretch; }.file-drop { flex-basis: 100%; }.scenario-select-label select { width: 100%; }.scenario-select-label { flex-direction: column; align-items: flex-start !important; } }
@media (max-width: 760px) { .wrap { width: calc(100% - 36px); }.site-header { position: relative; align-items: flex-start; flex-direction: column; gap: 14px; }.hero { padding-top: 32px; }.hero-grid { grid-template-columns: 1fr; }.hero-console { transform: none; max-width: 540px; width: 100%; }.feature-strip { margin-top: 32px; }.stats, .delta-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }.detail-grid { grid-template-columns: 1fr; }.section-heading, .snapshot-heading { align-items: flex-start; flex-direction: column; }.section-heading { gap: 4px; }.snapshot-heading { gap: 0; }.view-only { margin: 0 0 12px; }.workspace { padding-top: 28px; scroll-margin-top: 12px; }.scrubber { flex-basis: 100%; order: 3; }.change-events { grid-template-columns: 1fr; }.panel { padding: 18px; }.hero-actions a { padding-inline: 16px; } }
@media (max-width: 760px) { .writeup { scroll-margin-top: 14px; padding-top: 38px; }.explain-grid, .flow-track { grid-template-columns: 1fr; }.flow-track li:not(:last-child)::after { content: "↓"; top: auto; bottom: -27px; right: 50%; }.layout-row { grid-template-columns: 1fr; gap: 7px; }.layout-figure { padding: 16px; }.article-index { gap: 12px 18px; }.policy-results strong { font-size: 1.1rem; } }
@media (max-width: 460px) { .stats > div { padding: 12px; }.stats strong { font-size: 1.12rem; }.cards { grid-template-columns: 1fr; }.feature-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; font-size: .74rem; }nav { gap: 16px; font-size: .78rem; }.player-buttons { gap: 7px; }.player-buttons button { font-size: .75rem; padding: 8px; }.scenario-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }.scenario-card { padding: 12px; }.scenario-card strong { font-size: .8rem; }.panel-heading { flex-wrap: wrap; }.terminal-head { padding: 12px; font-size: .62rem; }.command-heading { align-items: flex-start; flex-direction: column; }.legend { gap: 12px; font-size: .75rem; }.file-drop { min-width: 0; }.toolbar > button { font-size: .78rem; }.timeline button { min-width: 40px; }.block-table { padding: 12px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; }*, *::before, *::after { animation: none !important; transition: none !important; }.hero-console { transform: none; }.cards article:hover, .scenario-card:hover:not(:disabled) { transform: none; } }