:root {
  --wall: #DCD8D0;
  --plate: #EEEBE5;
  --metal: #CBC6BC;
  --metal-lo: #B3AEA3;
  --paper: #FBFAF7;
  --ink: #1D1C1A;
  --ink2: #3A3834;
  --muted: #5E5A53;
  --rocker: #2A2926;
  --rocker-hi: #3A3834;
  --off: #8E887D;
  --on: #FF5B1F;
  --on-deep: #D9440C;
  --night: #0E0E0D;

  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --gutter: clamp(16px, 4vw, 56px);
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--wall); color: var(--ink); font: 400 17px/1.55 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
h1, h2, h3, p { margin: 0; }
h1, h2 { font-weight: 800; letter-spacing: -0.035em; line-height: 0.95; text-wrap: balance; }
p { text-wrap: pretty; }
a { color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--on); outline-offset: 3px; }

.wordmark { font: 900 18px/1 var(--sans); font-stretch: 125%; letter-spacing: -0.02em; text-decoration: none; display: inline-flex; align-items: center; gap: 5px; }
.wordmark b { background: var(--on); padding: 2px 6px 4px; border-radius: 6px; font-weight: 900; }
.wordmark.small { font-size: 14px; }

/* ---------- Dark room ---------- */
@property --r { syntax: "<length>"; inherits: false; initial-value: 0px; }
.room {
  position: fixed; inset: 0; z-index: 20; pointer-events: none; background: var(--night); --r: 0px;
  -webkit-mask: radial-gradient(circle at var(--sx, 50%) var(--sy, 50%), transparent var(--r), #000 calc(var(--r) + 1px));
  mask: radial-gradient(circle at var(--sx, 50%) var(--sy, 50%), transparent var(--r), #000 calc(var(--r) + 1px));
}
body.lit .room { --r: 160vmax; transition: --r 1.1s cubic-bezier(.6,0,.3,1); }
body.done-lit .room, .no-js .room, .no-js .dark-copy { display: none; }
.dark-copy { position: fixed; z-index: 21; inset: 14vh 0 auto; text-align: center; pointer-events: none; transition: opacity .3s; color: var(--plate); font: 800 clamp(30px, 4.6vw, 52px)/1 var(--sans); letter-spacing: -0.03em; }
.dark-sub { margin-top: 14px; font: 500 13px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: #9C978E; }
body.lit .dark-copy { opacity: 0; }
.js body:not(.lit) { overflow: hidden; }
.js body:not(.lit) .master { z-index: 22; position: fixed; left: 50%; top: 54%; transform: translate(-50%, -50%) scale(1.15); }

/* ---------- Top bar ---------- */
.top { max-width: var(--max); margin: 0 auto; padding: 22px var(--gutter) 14px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1.5px solid var(--ink); }
.dateline { font: 500 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.link-cta { justify-self: end; font-weight: 700; font-size: 15px; text-underline-offset: 5px; text-decoration-thickness: 2px; min-height: 44px; display: inline-flex; align-items: center; }

/* ---------- Intro ---------- */
.intro { max-width: var(--max); margin: 0 auto; padding: clamp(48px, 8vw, 110px) var(--gutter) clamp(40px, 6vw, 80px); display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: end; }
.intro h1 { font-size: clamp(56px, 10vw, 150px); font-stretch: 92%; }
.lede { margin-top: 28px; max-width: 34em; font-size: clamp(18px, 1.6vw, 21px); color: var(--ink2); }

.join { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px; max-width: 520px; }
.join input { flex: 1 1 240px; min-height: 52px; padding: 0 16px; font: 500 16px var(--sans); color: var(--ink); background: var(--paper); border: 1.5px solid var(--ink); border-radius: 10px; }
.join button { min-height: 52px; padding: 0 20px; font: 700 15px var(--sans); color: var(--ink); background: var(--on); border: 1.5px solid var(--ink); border-radius: 10px; box-shadow: 0 3px 0 var(--ink); cursor: pointer; transition: transform .1s, box-shadow .1s; }
.join button:active { transform: translateY(3px); box-shadow: none; }
.join-note { flex-basis: 100%; font: 400 13px var(--mono); color: var(--muted); }
.join.done input, .join.done button { display: none; }
.join.done .join-note { font: 700 17px var(--sans); color: var(--ink); }
.join.error .join-note { color: var(--on-deep); }

/* Master switch */
.master { display: flex; flex-direction: column; align-items: center; justify-content: space-between; width: 150px; height: 236px; padding: 18px 0; border: 0; border-radius: 16px; background: var(--plate); cursor: pointer; box-shadow: inset 0 2px 0 #fff, inset 0 -3px 0 #C9C4BA, 10px 12px 0 var(--metal-lo); transition: transform .6s cubic-bezier(.2,.8,.2,1); }
body.lit .master { cursor: default; }
.m-screw, .p-screw { width: 16px; height: 16px; border-radius: 50%; background: #CFCAC0; box-shadow: inset 0 1px 2px #9D978C; position: relative; }
.m-screw::after, .p-screw::after { content: ""; position: absolute; left: 3px; top: 7px; width: 10px; height: 2px; background: #8E887D; transform: rotate(35deg); }
.rk { display: flex; flex-direction: column; gap: 6px; width: 76px; height: 128px; padding: 7px; border-radius: 16px; background: var(--ink); box-shadow: 0 9px 0 #0A0A09; transform: perspective(400px) rotateX(9deg); transition: transform .22s cubic-bezier(.3,1.6,.5,1); }
.rk span { border-radius: 10px; display: flex; align-items: center; justify-content: center; transition: flex-grow .22s cubic-bezier(.3,1.6,.5,1), background .15s; }
.rk-on { flex: 4 1 0; background: var(--rocker-hi); color: var(--off); font: 900 22px/1 var(--sans); font-stretch: 125%; }
.rk-off { flex: 6 1 0; background: var(--rocker); color: var(--off); font: 500 11px var(--mono); }
.is-on .rk { transform: perspective(400px) rotateX(-9deg); }
.is-on .rk-on { flex-grow: 6; background: var(--on); color: var(--ink); box-shadow: inset 0 -9px 0 var(--on-deep); }
.is-on .rk-off { flex-grow: 4; }

/* ---------- The board ---------- */
.board-wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter) clamp(70px, 10vw, 130px); }
.board-head { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; flex-wrap: wrap; padding: 16px 0; border-top: 1.5px solid var(--ink); margin-bottom: 26px; }
.board-head h2 { font-size: 22px; letter-spacing: -0.02em; }
.board-head p { font: 400 13px var(--mono); color: var(--muted); }

.board { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(20px, 3vw, 40px); align-items: start; }
.panel { position: relative; background: var(--metal); border-radius: 14px; padding: 34px 30px; box-shadow: inset 0 2px 0 #E6E2DA, inset 0 -3px 0 var(--metal-lo), 0 1px 0 var(--metal-lo); }
.p-screw { position: absolute; }
.tl { top: 10px; left: 10px; } .tr { top: 10px; right: 10px; } .bl { bottom: 10px; left: 10px; } .br { bottom: 10px; right: 10px; }
.breakers { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px 16px; }

.breaker { display: flex; flex-direction: column; align-items: center; gap: 10px; background: none; border: 0; padding: 6px 0; cursor: pointer; font: inherit; color: inherit; text-align: center; }
.br-slot { width: 52px; height: 74px; border-radius: 8px; background: #2B2A27; padding: 5px; box-shadow: inset 0 2px 4px #000; }
.br-slot .rk { width: 100%; height: 100%; gap: 4px; padding: 4px; border-radius: 6px; box-shadow: 0 4px 0 #0A0A09; }
.br-slot .rk span { border-radius: 4px; }
.br-slot .rk-on, .br-slot .rk-off { font-size: 0; }
.br-label { width: 100%; min-height: 54px; background: var(--paper); padding: 6px 7px; border-radius: 2px; box-shadow: 0 1px 0 var(--metal-lo); display: flex; flex-direction: column; gap: 2px; text-align: left; }
.br-num { font: 600 10px var(--mono); color: var(--muted); letter-spacing: .06em; }
.br-name { font: 600 11.5px/1.25 var(--mono); color: var(--ink); text-transform: uppercase; letter-spacing: .02em; }
.breaker.is-on .br-label { background: var(--on); }
.breaker.is-on .br-num { color: var(--ink); }
.breaker:hover .br-slot { box-shadow: inset 0 2px 4px #000, 0 0 0 2px var(--ink); }

.readout { position: sticky; top: 24px; background: var(--paper); border-radius: 4px; padding: clamp(22px, 3vw, 34px); box-shadow: 0 1px 0 var(--metal-lo); border-top: 6px solid var(--ink); min-height: 420px; display: flex; flex-direction: column; }
.readout.flash { animation: flash .6s ease-out; }
@keyframes flash { 0% { border-top-color: var(--on); } 100% { border-top-color: var(--ink); } }
.ro-meta { display: flex; gap: 14px; font: 500 12px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.ro-meta span:first-child { color: var(--ink); font-weight: 600; }
.ro-meta span:last-child { margin-left: auto; }
.readout h3 { font: 500 clamp(28px, 2.8vw, 38px)/1.08 var(--serif); letter-spacing: -0.01em; margin: 16px 0 22px; text-wrap: balance; }
.ro-beats { margin: 0; display: grid; gap: 14px; }
.ro-beats dt { font: 600 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.ro-beats dd { margin: 2px 0 0; font-size: 16.5px; color: var(--ink2); }
.ro-on { margin-top: auto; padding-top: 20px; font: 600 13px var(--mono); color: var(--on-deep); opacity: 0; transition: opacity .2s; }
.readout.on .ro-on { opacity: 1; }

/* ---------- Thread ---------- */
.thread { max-width: var(--max); margin: 0 auto; padding: clamp(70px, 10vw, 120px) var(--gutter); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(30px, 6vw, 90px); border-top: 1.5px solid var(--ink); }
.thread h2 { font-size: clamp(40px, 5vw, 68px); font-stretch: 92%; }
.thread-copy p { margin-top: 24px; font-size: 19px; color: var(--ink2); max-width: 30em; }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 96px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--metal-lo); align-items: baseline; }
.timeline time { font: 500 12px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.timeline p { font: 500 20px/1.25 var(--serif); }
.timeline li.new time { color: var(--on-deep); font-weight: 600; }
.timeline li:not(.new):not(.mark) p { color: var(--muted); }
.timeline li.mark { display: block; padding: 0; border: 0; height: 0; position: relative; }
.timeline li.mark::before { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 2px; background: var(--on); }
.timeline li.mark span { position: absolute; right: 0; top: -11px; background: var(--on); color: var(--ink); font: 600 10.5px var(--mono); letter-spacing: .06em; text-transform: uppercase; padding: 3px 8px; }

/* ---------- Note ---------- */
.note { background: var(--ink); color: var(--plate); }
.note p { max-width: 980px; margin: 0 auto; padding: clamp(70px, 11vw, 140px) var(--gutter); font: 400 clamp(26px, 3.3vw, 44px)/1.22 var(--serif); letter-spacing: -0.01em; }
.note em { color: var(--on); font-style: italic; }

/* ---------- Circuits ---------- */
.circuits { max-width: var(--max); margin: 0 auto; padding: clamp(70px, 10vw, 120px) var(--gutter); }
.circuits dl { margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 clamp(20px, 3vw, 44px); }
.circuits div { border-top: 1.5px solid var(--ink); padding: 18px 0 34px; }
.circuits dt { font-weight: 800; font-size: 22px; letter-spacing: -0.02em; display: flex; gap: 12px; align-items: baseline; }
.circuits dt span { font: 600 11px var(--mono); color: var(--muted); letter-spacing: .06em; }
.circuits dd { margin: 8px 0 0; color: var(--ink2); }

/* ---------- Join ---------- */
.join-wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter) clamp(80px, 12vw, 150px); }
.join-wrap h2 { font-size: clamp(44px, 7vw, 100px); font-stretch: 92%; }

.foot { max-width: var(--max); margin: 0 auto; padding: 22px var(--gutter) 34px; display: flex; justify-content: space-between; align-items: center; border-top: 1.5px solid var(--ink); font: 400 12px var(--mono); color: var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .board { grid-template-columns: 1fr; }
  .readout { position: static; min-height: 0; }
  .thread { grid-template-columns: 1fr; }
  .circuits dl { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .top { grid-template-columns: 1fr auto; }
  .dateline { display: none; }
  .intro { grid-template-columns: 1fr; }
  .intro .master { display: none; }
  .js body:not(.lit) .intro .master { display: flex; }
  .panel { padding: 30px 18px; }
  .breakers { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px 10px; }
  .br-name { font-size: 10.5px; }
  .circuits dl { grid-template-columns: 1fr; }
  .timeline li { grid-template-columns: 80px 1fr; }
  .timeline p { font-size: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ================= Playful layer ================= */

/* Label-maker strips, stuck on by hand */
.br-label { transform: rotate(var(--tilt, 0deg)); transition: transform .2s, background .15s; }
.breaker:hover .br-label { transform: rotate(0deg) translateY(-2px); }
.breaker:hover .rk { transform: perspective(400px) rotateX(2deg); }
.breaker:active .br-slot { transform: scale(.96); }
.br-slot { transition: transform .1s; }
.breaker.is-on .br-slot { box-shadow: inset 0 2px 4px #000, 0 0 18px rgba(255, 91, 31, .45); }

/* Load meter */
.board-head { align-items: center; }
.load { display: flex; align-items: center; gap: 10px; font: 600 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.load-bar { display: grid; grid-template-columns: repeat(10, 10px); gap: 3px; padding: 4px; background: var(--ink); border-radius: 4px; }
.load-bar i { height: 14px; border-radius: 2px; background: var(--rocker-hi); transition: background .15s; }
.load-bar i.on { background: var(--on); }
.load-bar.hot i.on { background: #FFB23F; animation: hot .5s ease-in-out infinite alternate; }
@keyframes hot { to { background: var(--on); } }
.load-count { color: var(--muted); min-width: 4.5em; }
.board-hint { font: 400 13px var(--mono); color: var(--muted); }

/* Breaker trip */
.panel.trip { animation: trip .5s cubic-bezier(.36,.07,.19,.97); }
@keyframes trip {
  10%, 90% { transform: translateX(-2px) rotate(-.3deg); }
  20%, 80% { transform: translateX(4px) rotate(.4deg); }
  30%, 50%, 70% { transform: translateX(-7px) rotate(-.6deg); }
  40%, 60% { transform: translateX(7px) rotate(.6deg); }
}
.panel.spark::after { content: ""; position: absolute; inset: 0; border-radius: 14px; background: #fff; opacity: 0; animation: spark .35s ease-out; pointer-events: none; }
@keyframes spark { 0% { opacity: .85; } 100% { opacity: 0; } }
.readout.tripped { border-top-color: var(--on); }
.readout.tripped h3 { color: var(--ink); }

/* Lights out (footer) */
.lights-out { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; background: none; border: 0; cursor: pointer; font: 600 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink); }
.lo-rk { display: inline-flex; flex-direction: column; gap: 2px; width: 22px; height: 32px; padding: 3px; background: var(--ink); border-radius: 6px; }
.lo-rk i { border-radius: 3px; }
.lo-rk i:first-child { flex: 6; background: var(--on); }
.lo-rk i:last-child { flex: 4; background: var(--rocker); }
.lights-out:hover .lo-rk i:first-child { flex: 5; }

.goodnight { position: fixed; inset: 0; z-index: 30; background: var(--night); color: var(--plate); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; text-align: center; padding: 24px; animation: dim .5s ease-out; }
.goodnight[hidden] { display: none; }
@keyframes dim { from { opacity: 0; } }
.gn-line { font: 800 clamp(40px, 7vw, 80px)/1 var(--sans); letter-spacing: -0.03em; }
.gn-sub { font: 400 20px var(--serif); font-style: italic; color: #9C978E; }
.goodnight button { margin-top: 18px; min-height: 52px; padding: 0 22px; font: 700 15px var(--sans); background: var(--on); color: var(--ink); border: 1.5px solid var(--plate); border-radius: 10px; cursor: pointer; }

/* Hero: the word "know" gets a little glow when the lights come on */
.intro h1 .glow { position: relative; display: inline-block; }
.intro h1 .glow::after { content: ""; position: absolute; left: -2%; right: -2%; bottom: .06em; height: .16em; background: var(--on); z-index: -1; transform: scaleX(0); transform-origin: left; transition: transform .6s 1.1s cubic-bezier(.2,.8,.2,1); }
body.lit .intro h1 .glow::after { transform: scaleX(1); }

@media (max-width: 680px) {
  .load-bar { grid-template-columns: repeat(10, 7px); }
  .foot { flex-wrap: wrap; gap: 8px; }
}

/* ================= Credible readout ================= */
.edition { margin-top: 6px; font: 400 12.5px var(--mono); color: var(--muted); }
.board-left { display: flex; flex-direction: column; gap: 14px; }
.board-left .board-hint { font: 400 12.5px var(--mono); color: var(--muted); }

.readout { min-height: 0; max-height: calc(100vh - 48px); overflow-y: auto; padding: clamp(22px, 2.6vw, 32px); border-top-width: 4px; scrollbar-width: thin; }
.ro-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.ro-kicker { font: 600 11.5px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink); }
.dot { margin: 0 7px; color: var(--metal-lo); }
.status { font: 600 10.5px var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 4px 8px 4px 20px; border-radius: 3px; position: relative; white-space: nowrap; cursor: help; }
.status::before { content: ""; position: absolute; left: 8px; top: 50%; width: 6px; height: 6px; border-radius: 50%; transform: translateY(-50%); }
.status.confirmed { background: #E4EFE3; color: #24502A; } .status.confirmed::before { background: #2E7D32; }
.status.projected { background: #E6ECF6; color: #1F3F70; } .status.projected::before { background: #2F5DA8; }
.status.reported { background: #F4EBDD; color: #6A4A12; } .status.reported::before { background: #B7791F; }
.status.overload { background: var(--on); color: var(--ink); } .status.overload::before { background: var(--ink); }

.readout h3 { font: 500 clamp(26px, 2.4vw, 34px)/1.12 var(--serif); margin: 14px 0 10px; }
.ro-dek { font: 400 18px/1.45 var(--serif); font-style: italic; color: var(--ink2); }
.ro-byline { margin-top: 14px; padding-bottom: 16px; border-bottom: 1px solid #E3DFD7; font: 400 12px var(--mono); color: var(--muted); }
.ro-block { margin-top: 18px; }
.ro-block h4 { margin: 0 0 6px; font: 600 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.ro-block p { font-size: 16px; line-height: 1.6; color: var(--ink); }
.ro-who { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; font-size: 14.5px; }
.ro-who dt { font-weight: 700; }
.ro-who dd { margin: 0; color: var(--ink2); }
.ro-sources ol { margin: 0; padding-left: 20px; display: grid; gap: 6px; font-size: 14px; color: var(--ink2); }
.ro-sources a { font-weight: 700; color: var(--ink); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
.ro-sources a::after { content: " ↗"; font-weight: 400; }
.ro-on { padding-top: 18px; margin-top: 18px; border-top: 1px solid #E3DFD7; }
.readout:not(.on) .ro-on { display: none; }

/* Timeline links + label */
.thread-label { font: 400 13px var(--mono) !important; color: var(--muted) !important; }
.timeline p a { font: 500 11px var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--muted); margin-left: 6px; white-space: nowrap; }

/* Standards */
.standards { max-width: var(--max); margin: 0 auto; padding: clamp(70px, 10vw, 120px) var(--gutter) 0; }
.standards h2 { font-size: clamp(40px, 5vw, 68px); font-stretch: 92%; margin-bottom: 40px; }
.std-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 clamp(20px, 3vw, 44px); counter-reset: std; }
.std-list li { border-top: 1.5px solid var(--ink); padding: 18px 0 34px; counter-increment: std; }
.std-list h3 { font: 800 20px/1.2 var(--sans); letter-spacing: -0.02em; margin: 0 0 8px; }
.std-list h3::before { content: counter(std, decimal-leading-zero); font: 600 11px var(--mono); color: var(--muted); margin-right: 10px; letter-spacing: .06em; }
.std-list p { color: var(--ink2); font-size: 16px; }

@media (max-width: 960px) {
  .readout { max-height: none; overflow: visible; }
  .std-list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .std-list { grid-template-columns: 1fr; }
  .ro-who { grid-template-columns: 1fr; gap: 0; }
  .ro-who dd { margin-bottom: 8px; }
}