:root {
  color-scheme: dark;
  --ink: #f5e9c9;
  --muted: #b9ac8f;
  --metal: #d4ad61;
  --metal-bright: #f4d892;
  --metal-dark: #745125;
  --glass: rgba(5, 21, 20, 0.78);
  --glass-heavy: rgba(3, 13, 13, 0.94);
  --line: rgba(225, 188, 111, 0.38);
  --accent: #5ee5cf;
  --danger: #ff8e83;
  --scene-image: url("/assets/generated/midnight-switchboard.jpg");
  --scene-position: center 43%;
  --shadow: 0 34px 90px rgba(0, 0, 0, 0.55);
  font-family: Inter, Avenir Next, Avenir, Helvetica Neue, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { min-height: 100%; background: #061313; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: #061313;
  overflow-x: hidden;
}

button, textarea { font: inherit; }

button { color: inherit; }

.scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(180deg, rgba(1, 10, 10, 0.16), rgba(1, 8, 8, 0.74)),
    radial-gradient(circle at 50% 42%, transparent 0 20%, rgba(2, 8, 8, 0.57) 70%),
    var(--scene-image);
  background-size: cover;
  background-position: var(--scene-position);
  transform: scale(1.015);
  transition: background-image 600ms ease, background-position 600ms ease;
}

.scene::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0,0,0,.36), transparent 28% 72%, rgba(0,0,0,.36)),
    linear-gradient(180deg, rgba(0,0,0,.1), transparent 40%, rgba(0,0,0,.55));
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  opacity: .075;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(1160px, calc(100% - 48px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 28px 0 24px;
  display: flex;
  flex-direction: column;
}

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-lockup { display: flex; align-items: center; gap: 15px; }

.monogram {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  color: var(--metal-bright);
  border: 1px solid var(--metal);
  clip-path: polygon(28% 0,72% 0,100% 28%,100% 72%,72% 100%,28% 100%,0 72%,0 28%);
  background: rgba(2, 15, 14, .58);
  box-shadow: inset 0 0 0 4px rgba(212, 173, 97, .10);
}

.monogram span {
  font: 500 34px/1 Didot, Bodoni 72, Times New Roman, serif;
  transform: translateY(-1px);
}

.eyebrow, .kicker, .result-title p {
  margin: 0 0 5px;
  color: var(--metal-bright);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .27em;
  text-transform: uppercase;
}

.masthead h1 {
  margin: 0;
  font: 500 25px/1 Didot, Bodoni 72, Times New Roman, serif;
  letter-spacing: .17em;
  text-transform: uppercase;
}

.session-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.line-state {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(3, 15, 14, .55);
  backdrop-filter: blur(12px);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.signal-lamp {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 11px var(--accent);
}

.line-state.offline .signal-lamp {
  background: var(--danger);
  box-shadow: 0 0 11px color-mix(in srgb, var(--danger) 72%, transparent);
}

.line-state.awaiting-auth .signal-lamp {
  background: var(--metal-bright);
  box-shadow: 0 0 11px rgba(244, 216, 146, .58);
}

.auth-button {
  appearance: none;
  min-width: 96px;
  height: 37px;
  padding: 0 14px;
  border: 1px solid var(--metal);
  border-radius: 999px;
  background: rgba(3, 15, 14, .72);
  color: var(--metal-bright);
  cursor: pointer;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  transition: 160ms ease;
}

.auth-button:hover {
  border-color: var(--metal-bright);
  background: rgba(212, 173, 97, .12);
  transform: translateY(-1px);
}

.auth-button.local-mode { display: none; }

.hero-copy {
  width: min(720px, 100%);
  margin: clamp(40px, 8vh, 94px) auto 28px;
  text-align: center;
  text-shadow: 0 3px 24px rgba(0,0,0,.65);
}

.kicker { margin-bottom: 12px; }

.hero-copy h2 {
  margin: 0;
  font: 500 clamp(49px, 7vw, 88px)/.88 Didot, Bodoni 72, Times New Roman, serif;
  letter-spacing: -.035em;
}

.lede {
  width: min(670px, 94%);
  margin: 19px auto 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.switchboard {
  position: relative;
  width: min(880px, 100%);
  margin: 0 auto;
  padding: 23px 25px 21px;
  border: 1px solid var(--metal);
  background:
    linear-gradient(145deg, rgba(255,255,255,.035), transparent 45%),
    var(--glass);
  box-shadow: var(--shadow), inset 0 0 0 4px rgba(3, 12, 12, .42), inset 0 0 0 5px var(--line);
  backdrop-filter: blur(24px) saturate(1.15);
}

.switchboard::before, .switchboard::after {
  content: "";
  position: absolute;
  top: -5px;
  bottom: -5px;
  width: 1px;
  background: linear-gradient(transparent, var(--metal), transparent);
  opacity: .7;
}

.switchboard::before { left: 8px; }
.switchboard::after { right: 8px; }

.corner { position: absolute; width: 17px; height: 17px; border-color: var(--metal-bright); z-index: 2; }
.corner-nw { top: 6px; left: 6px; border-top: 1px solid; border-left: 1px solid; }
.corner-ne { top: 6px; right: 6px; border-top: 1px solid; border-right: 1px solid; }
.corner-sw { bottom: 6px; left: 6px; border-bottom: 1px solid; border-left: 1px solid; }
.corner-se { bottom: 6px; right: 6px; border-bottom: 1px solid; border-right: 1px solid; }

.board-heading {
  display: flex;
  justify-content: space-between;
  margin-bottom: 13px;
  color: var(--metal-bright);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.board-number { color: var(--muted); }
.board-number b { color: var(--metal-bright); font-weight: 800; }

textarea {
  display: block;
  width: 100%;
  height: clamp(154px, 24vh, 240px);
  min-height: 154px;
  max-height: min(46vh, 420px);
  overflow-x: auto;
  overflow-y: scroll;
  scrollbar-color: var(--metal-dark) rgba(0, 8, 8, .68);
  scrollbar-width: thin;
  resize: vertical;
  padding: 19px 20px;
  border: 1px solid var(--line);
  border-radius: 0;
  outline: none;
  color: var(--ink);
  background: rgba(0, 8, 8, .68);
  caret-color: var(--metal-bright);
  font: 400 15px/1.62 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  box-shadow: inset 0 4px 24px rgba(0,0,0,.28);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

textarea::-webkit-scrollbar { width: 10px; height: 10px; }
textarea::-webkit-scrollbar-track { background: rgba(0, 8, 8, .68); }
textarea::-webkit-scrollbar-thumb {
  border: 2px solid rgba(0, 8, 8, .68);
  border-radius: 999px;
  background: linear-gradient(var(--metal), var(--metal-dark));
}

textarea::placeholder { color: color-mix(in srgb, var(--muted) 69%, transparent); }

textarea:focus {
  border-color: var(--metal-bright);
  box-shadow: inset 0 4px 24px rgba(0,0,0,.28), 0 0 0 3px rgba(212,173,97,.09);
}

.examples {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  padding-top: 11px;
}

.examples > span {
  margin-right: 3px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.examples button {
  appearance: none;
  padding: 5px 9px;
  border: 1px solid rgba(220, 188, 125, .26);
  border-radius: 999px;
  background: rgba(255,255,255,.035);
  color: var(--muted);
  cursor: pointer;
  font-size: 10px;
  transition: 160ms ease;
}

.examples button:hover { border-color: var(--metal); color: var(--ink); background: rgba(212,173,97,.09); }

.board-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 17px;
}

.safety-note { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 11px; }
.safety-note strong { color: var(--ink); font-weight: 600; }
.safety-mark { color: var(--accent); font-size: 18px; }

.connect-button {
  appearance: none;
  min-width: 224px;
  height: 52px;
  display: grid;
  grid-template-columns: 1fr 49px;
  padding: 0;
  border: 1px solid var(--metal-bright);
  background: linear-gradient(180deg, var(--metal-bright), var(--metal));
  color: #171207;
  cursor: pointer;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .17em;
  text-transform: uppercase;
  box-shadow: 0 8px 24px rgba(0,0,0,.27);
  transition: transform 160ms ease, filter 160ms ease;
}

.connect-button:hover { transform: translateY(-2px); filter: brightness(1.07); }
.connect-button:active { transform: translateY(0); }
.connect-button:disabled { cursor: wait; filter: saturate(.7); }
.button-face, .button-arrow { display: grid; place-items: center; height: 100%; }
.button-arrow { border-left: 1px solid rgba(48,32,7,.3); font-size: 18px; }
.button-busy { display: none; }
.is-routing .button-idle { display: none; }
.is-routing .button-busy { display: inline; }

.routing-progress {
  height: 0;
  opacity: 0;
  overflow: hidden;
  transition: height 280ms ease, opacity 220ms ease, margin 280ms ease;
}

.routing-progress.visible { height: 43px; opacity: 1; margin-top: 19px; }
.progress-line { height: 1px; background: rgba(212,173,97,.18); overflow: hidden; }
.progress-line span { display: block; width: 27%; height: 100%; background: var(--metal-bright); box-shadow: 0 0 8px var(--metal); animation: sweep 1.2s ease-in-out infinite; }
@keyframes sweep { from { transform: translateX(-110%); } to { transform: translateX(380%); } }

.routing-progress ol { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; padding: 10px 0 0; margin: 0; list-style: none; }
.routing-progress li { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.routing-progress li i { width: 5px; height: 5px; border: 1px solid var(--metal); border-radius: 50%; }
.routing-progress li.active { color: var(--ink); }
.routing-progress li.active i { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 7px var(--accent); }

.page-footer {
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 20px;
  margin-top: auto;
  padding-top: 28px;
}
.credits { display: flex; gap: 17px; color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .13em; text-align: right; text-transform: uppercase; }
.catalog-count { color: var(--metal-bright); }

.result-dialog {
  width: min(1050px, calc(100% - 36px));
  max-height: min(880px, calc(100vh - 36px));
  padding: 0;
  border: 1px solid var(--metal);
  color: var(--ink);
  background: var(--glass-heavy);
  box-shadow: 0 50px 140px rgba(0,0,0,.75), inset 0 0 0 5px rgba(212,173,97,.07);
  backdrop-filter: blur(30px);
}

.result-dialog::backdrop { background: rgba(0, 7, 8, .77); backdrop-filter: blur(12px); }
.result-dialog[open] { animation: reveal 260ms ease both; }
@keyframes reveal { from { opacity: 0; transform: translateY(15px) scale(.985); } to { opacity: 1; transform: none; } }

.result-shell { padding: 25px; }
.result-header { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.result-title { display: flex; align-items: center; gap: 13px; }
.result-title p { margin-bottom: 4px; }
.result-title h2 { margin: 0; font: 500 32px/1 Didot, Bodoni 72, Times New Roman, serif; }
.result-seal { width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid var(--metal); color: var(--metal-bright); font: 24px Didot, serif; transform: rotate(45deg); }
.result-seal::first-letter { transform: rotate(-45deg); }
.result-seal { text-shadow: 0 0 12px rgba(244,216,146,.25); }

.close-button {
  appearance: none;
  width: 39px;
  height: 39px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255,255,255,.03);
  color: var(--muted);
  cursor: pointer;
  font-size: 25px;
  font-weight: 200;
}
.close-button:hover { color: var(--ink); border-color: var(--metal); }

.result-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 22px 0 18px; border: 1px solid var(--line); }
.summary-cell { min-height: 66px; padding: 13px 15px; border-right: 1px solid var(--line); }
.summary-cell:last-child { border-right: 0; }
.summary-cell span { display: block; margin-bottom: 8px; color: var(--muted); font-size: 8px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
.summary-cell strong { display: block; overflow: hidden; text-overflow: ellipsis; color: var(--ink); font: 500 14px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: nowrap; }
.summary-cell strong.pass { color: var(--accent); }
.summary-cell strong.fail { color: var(--danger); }

.result-tabs { display: flex; gap: 3px; border-bottom: 1px solid var(--line); }
.result-tabs button {
  appearance: none;
  padding: 10px 13px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.result-tabs button.active { border-color: var(--metal-bright); color: var(--ink); }

.code-panel { margin-top: 15px; border: 1px solid rgba(212,173,97,.27); background: rgba(0,5,7,.62); }
.code-toolbar { height: 38px; display: flex; justify-content: space-between; align-items: center; padding: 0 12px 0 15px; border-bottom: 1px solid rgba(212,173,97,.2); color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.code-toolbar button { appearance: none; border: 0; background: transparent; color: var(--metal-bright); cursor: pointer; font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
pre { min-height: 300px; max-height: 48vh; margin: 0; padding: 18px; overflow: auto; color: #dcefe7; tab-size: 2; }
code { font: 12px/1.62 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }

.result-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.result-footer button { appearance: none; padding: 9px 14px; border: 1px solid var(--metal); background: rgba(212,173,97,.08); color: var(--metal-bright); cursor: pointer; font-size: 9px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }

.toast { position: fixed; left: 50%; bottom: 24px; z-index: 100; padding: 10px 15px; border: 1px solid var(--metal); background: var(--glass-heavy); color: var(--ink); transform: translate(-50%, 20px); opacity: 0; pointer-events: none; font-size: 11px; transition: 180ms ease; }
.toast.visible { transform: translate(-50%, 0); opacity: 1; }

.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 760px) {
  .page-shell { width: min(100% - 24px, 1160px); padding-top: 15px; }
  .monogram { width: 47px; height: 47px; }
  .eyebrow { letter-spacing: .18em; }
  .line-state span:last-child { display: none; }
  .line-state { width: 34px; height: 34px; justify-content: center; padding: 0; }
  .session-controls { gap: 7px; }
  .auth-button { min-width: 78px; height: 34px; padding: 0 10px; letter-spacing: .08em; }
  .hero-copy { margin: 45px auto 24px; }
  .hero-copy h2 { font-size: clamp(47px, 15vw, 70px); }
  .switchboard { padding: 21px 16px 17px; }
  textarea { height: 180px; min-height: 180px; max-height: 42vh; padding: 15px; font-size: 13px; }
  .board-footer { align-items: stretch; flex-direction: column; }
  .connect-button { width: 100%; }
  .safety-note { order: 2; justify-content: center; }
  .page-footer { align-items: flex-start; flex-direction: column; }
  .credits { width: 100%; justify-content: space-between; }
  .result-shell { padding: 17px; }
  .result-summary { grid-template-columns: repeat(2, 1fr); }
  .summary-cell:nth-child(2) { border-right: 0; }
  .summary-cell:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .result-tabs { overflow-x: auto; }
  .result-tabs button { flex: 0 0 auto; padding: 10px 9px; letter-spacing: .06em; }
  pre { min-height: 250px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}