:root {
  --night: #0b1013;
  --panel: #12191d;
  --panel-soft: #182126;
  --line: rgba(235, 242, 238, 0.12);
  --ink: #eef4ef;
  --muted: #95a29b;
  --signal: #b9ff3d;
  --warning: #ffb14a;
  --danger: #ff6b58;
  --sans: "Avenir Next", "Century Gothic", sans-serif;
  --mono: "SFMono-Regular", "Cascadia Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; }
body { margin: 0; background: var(--night); color: var(--ink); font-family: var(--sans); }
button, input { color: inherit; font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }

.shell {
  min-height: 100svh;
  display: grid;
  grid-template: 68px 1fr / 228px 1fr;
  background:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
    var(--night);
  background-size: 40px 40px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 228px 1fr auto;
  align-items: center;
  min-width: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(11,16,19,.9);
  backdrop-filter: blur(16px);
}

.brand {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 0 22px;
  border-right: 1px solid var(--line);
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -.02em;
  text-decoration: none;
}
.brand-mark {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--signal);
  color: var(--night);
  font: 800 13px var(--mono);
}
.environment { justify-self: start; display: flex; align-items: center; gap: 9px; padding-left: 24px; color: var(--muted); font-size: 12px; }
.environment span { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 14px var(--signal); }
.avatar { width: 34px; height: 34px; margin-right: 20px; border: 1px solid var(--line); border-radius: 50%; background: var(--panel-soft); font: 700 10px var(--mono); }

.sidebar {
  position: sticky;
  top: 68px;
  height: calc(100svh - 68px);
  display: flex;
  flex-direction: column;
  padding: 28px 14px 18px;
  border-right: 1px solid var(--line);
  background: rgba(11,16,19,.72);
}
.rail-label, .eyebrow, .card-label { margin: 0; font: 700 9px var(--mono); letter-spacing: .16em; text-transform: uppercase; }
.rail-label { padding: 0 10px 12px; color: #5d6a64; }
.sidebar nav { display: grid; gap: 4px; }
.nav-item {
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  min-height: 42px;
  padding: 0 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  text-align: left;
  font-size: 13px;
}
.nav-item span { font: 9px var(--mono); color: #56625c; }
.nav-item:hover { color: var(--ink); background: rgba(255,255,255,.04); }
.nav-item.active { color: var(--night); background: var(--signal); font-weight: 700; }
.nav-item.active span { color: rgba(11,16,19,.55); }
.rail-note { margin-top: auto; padding: 14px 10px; border-top: 1px solid var(--line); }
.rail-note span { display: block; color: #56625c; font: 9px var(--mono); text-transform: uppercase; letter-spacing: .14em; }
.rail-note strong { display: block; margin-top: 6px; color: var(--muted); font-size: 11px; }

main { min-width: 0; padding: clamp(28px,4vw,56px); }
.view { max-width: 1120px; margin: 0 auto; animation: enter .45s ease both; }
@keyframes enter { from { opacity: 0; transform: translateY(8px); } }
.page-head { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 32px; }
.page-head.compact { margin-bottom: 40px; }
.eyebrow { color: var(--signal); }
h1 { max-width: 780px; margin: 10px 0 0; font-size: clamp(38px,6vw,78px); line-height: .95; letter-spacing: -.055em; }
.primary-action {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  padding: 0 17px;
  border: 0;
  border-radius: 8px;
  background: var(--signal);
  color: var(--night);
  font-size: 12px;
  font-weight: 800;
  box-shadow: 0 12px 40px rgba(185,255,61,.14);
}
.primary-action:focus-visible, .nav-item:focus-visible, input:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }

.overview-grid { display: grid; grid-template-columns: minmax(0,1.7fr) minmax(280px,.8fr); gap: 14px; }
.hero-card, .pulse-card, .queue, .workflow-grid article, .planner {
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(18,25,29,.9);
  box-shadow: 0 28px 80px rgba(0,0,0,.18);
}
.hero-card, .pulse-card { min-height: 332px; padding: 24px; }
.card-label { display: flex; justify-content: space-between; color: #69756f; }
.hero-metric { display: flex; align-items: start; gap: 16px; margin-top: 38px; }
.hero-metric strong { font-size: clamp(52px,7vw,86px); line-height: .9; letter-spacing: -.06em; }
.delta { margin-top: 5px; padding: 5px 8px; border-radius: 999px; background: rgba(185,255,61,.12); color: var(--signal); font: 700 10px var(--mono); }
.hero-card > p { max-width: 430px; margin: 18px 0 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.sparkline { height: 82px; display: flex; align-items: end; gap: 7px; margin-top: 25px; }
.sparkline i { flex: 1; height: var(--h); min-width: 8px; border-radius: 3px 3px 0 0; background: #2c3932; transition: height .3s ease; }
.sparkline .hot { background: var(--signal); }
.pulse-score { display: flex; align-items: baseline; gap: 4px; margin-top: 43px; }
.pulse-score strong { font-size: 66px; line-height: .9; letter-spacing: -.06em; }
.pulse-score span { color: var(--muted); font: 11px var(--mono); }
.score-track { height: 5px; margin: 22px 0 30px; border-radius: 999px; background: #263129; overflow: hidden; }
.score-track i { display: block; width: 94%; height: 100%; background: var(--signal); transition: width .4s ease; }
.pulse-card dl { margin: 0; display: grid; gap: 10px; }
.pulse-card dl div { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }
.pulse-card dd { margin: 0; color: var(--ink); font: 12px var(--mono); }

.queue { margin-top: 14px; overflow: hidden; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; padding: 24px; }
.section-head h2 { margin: 8px 0 0; font-size: 23px; letter-spacing: -.03em; }
.text-action { border: 0; background: none; color: var(--muted); font-size: 11px; }
.queue-row { display: grid; grid-template-columns: 78px minmax(0,1fr) 34px 90px; align-items: center; gap: 15px; min-height: 72px; padding: 12px 24px; border-top: 1px solid var(--line); }
.status { width: fit-content; padding: 5px 7px; border-radius: 5px; font: 700 8px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.status.urgent { color: var(--danger); background: rgba(255,107,88,.1); }
.status.waiting { color: var(--warning); background: rgba(255,177,74,.1); }
.status.ready { color: var(--signal); background: rgba(185,255,61,.1); }
.queue-row strong, .queue-row small { display: block; }
.queue-row strong { font-size: 13px; }
.queue-row small { margin-top: 5px; color: var(--muted); font-size: 11px; }
.owner { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--muted); font: 9px var(--mono); }
.queue-row time { color: var(--muted); font: 10px var(--mono); text-align: right; }

.workflow-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.workflow-grid article { min-height: 250px; padding: 26px; display: flex; flex-direction: column; }
.workflow-grid article > span { color: var(--signal); font: 10px var(--mono); }
.workflow-grid h2 { margin: 42px 0 10px; font-size: 28px; letter-spacing: -.035em; }
.workflow-grid p { max-width: 430px; margin: 0; color: var(--muted); line-height: 1.65; }
.workflow-grid b { margin-top: auto; color: var(--signal); font: 10px var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.workflow-grid .new-workflow { border-style: dashed; background: transparent; }

.planner { display: grid; grid-template-columns: 1.3fr .7fr; gap: 50px; padding: clamp(28px,5vw,64px); }
.planner label { display: flex; justify-content: space-between; font-size: 17px; font-weight: 700; }
.planner output { color: var(--signal); font: 14px var(--mono); }
.planner input { width: 100%; margin: 35px 0 20px; accent-color: var(--signal); }
.planner p { color: var(--muted); line-height: 1.6; }
.planner article { padding-left: 38px; border-left: 1px solid var(--line); }
.planner article span { color: var(--muted); font: 9px var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.planner article strong { display: block; margin-top: 26px; font-size: 64px; letter-spacing: -.06em; }

@media (max-width: 760px) {
  .shell { display: block; }
  .topbar { grid-template-columns: 1fr auto; height: 60px; }
  .brand { border: 0; padding: 0 16px; }
  .environment { display: none; }
  .avatar { margin-right: 14px; }
  .sidebar { position: sticky; top: 60px; z-index: 9; width: 100%; height: auto; padding: 8px 12px; border: 0; border-bottom: 1px solid var(--line); }
  .rail-label, .rail-note { display: none; }
  .sidebar nav { grid-template-columns: repeat(3,1fr); }
  .nav-item { display: block; min-height: 38px; padding: 0 6px; text-align: center; font-size: 11px; }
  .nav-item span { display: none; }
  main { padding: 30px 16px 50px; }
  .page-head { display: block; }
  .primary-action { margin-top: 24px; }
  .overview-grid, .workflow-grid, .planner { grid-template-columns: 1fr; }
  .hero-card, .pulse-card { min-height: 290px; }
  .queue-row { grid-template-columns: 70px 1fr 30px; padding: 12px 15px; }
  .queue-row time { display: none; }
  .section-head { padding: 20px 15px; }
  .planner { gap: 34px; }
  .planner article { padding: 28px 0 0; border-left: 0; border-top: 1px solid var(--line); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}