:root {
  color-scheme: dark;
  --bg: #07100f;
  --panel: rgba(15, 30, 28, 0.84);
  --panel-strong: #10201e;
  --line: rgba(170, 218, 207, 0.16);
  --line-strong: rgba(170, 218, 207, 0.32);
  --text: #edf8f5;
  --muted: #9db5af;
  --accent: #9ce7d5;
  --accent-dark: #071c18;
  --accent-soft: rgba(156, 231, 213, 0.09);
  --warning: #e3c892;
  --danger: #efb0aa;
  --radius: 22px;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.26);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 10% 10%, rgba(46, 119, 102, 0.14), transparent 34rem),
    radial-gradient(circle at 90% 40%, rgba(68, 109, 144, 0.10), transparent 32rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.45; }

.ambient {
  position: fixed;
  z-index: -1;
  width: 28rem;
  height: 28rem;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.16;
}
.ambient-one { top: -12rem; left: -9rem; background: #61c9af; }
.ambient-two { right: -14rem; bottom: -12rem; background: #497ca5; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.35rem clamp(1.15rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 0.9rem; color: inherit; text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}
.brand-name, .brand-subtitle { display: block; }
.brand-name { font-weight: 650; letter-spacing: -0.01em; }
.brand-subtitle { color: var(--muted); font-size: 0.76rem; }
.status-cluster { display: flex; align-items: center; gap: 0.55rem; color: var(--muted); font-size: 0.82rem; white-space: nowrap; }
.status-dot { width: 0.6rem; height: 0.6rem; border-radius: 50%; background: var(--warning); box-shadow: 0 0 0 4px rgba(227, 200, 146, 0.1); }
.status-dot.online { background: var(--accent); box-shadow: 0 0 0 4px rgba(156, 231, 213, 0.1); }
.status-dot.offline { background: var(--danger); box-shadow: 0 0 0 4px rgba(239, 176, 170, 0.1); }

main { max-width: 1440px; margin: 0 auto; padding: 0 clamp(1.15rem, 4vw, 4rem) 5rem; }
.hero { max-width: 980px; padding: clamp(5rem, 11vw, 9rem) 0 4rem; }
.eyebrow, .step-label { margin: 0 0 0.7rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.72rem; }
h1, h2, p { text-wrap: pretty; }
h1 { margin: 0; max-width: 920px; font-size: clamp(3rem, 7vw, 6.6rem); line-height: 0.98; letter-spacing: -0.065em; font-weight: 520; }
.hero-copy { max-width: 760px; margin: 2rem 0 2.4rem; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.3rem); }
.formula, .architecture-flow { display: flex; flex-wrap: wrap; align-items: center; gap: 0.65rem; }
.formula span, .architecture-flow span { padding: 0.55rem 0.8rem; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,0.025); font-size: 0.82rem; }
.formula b, .architecture-flow b { color: var(--accent); font-weight: 400; }

.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--line); box-shadow: var(--shadow); }
.metric { min-height: 160px; padding: 1.4rem; background: rgba(11, 25, 23, 0.94); }
.metric span, .metric small { display: block; }
.metric span { color: var(--muted); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.11em; }
.metric strong { display: block; margin: 1rem 0 0.55rem; font-size: 1.45rem; font-weight: 540; }
.metric small { color: var(--muted); }

.workspace { display: grid; grid-template-columns: minmax(300px, 0.74fr) minmax(0, 1.55fr); gap: 1rem; margin-top: 1rem; }
.control-panel, .memory-panel, .architecture-strip { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); backdrop-filter: blur(20px); box-shadow: var(--shadow); }
.control-panel { padding: clamp(1.25rem, 3vw, 2rem); }
.panel-heading h2, .view-heading h2 { margin: 0; font-size: 1.3rem; font-weight: 520; letter-spacing: -0.025em; }
label { display: block; margin-top: 1.2rem; color: var(--muted); font-size: 0.82rem; }
input, textarea, select {
  width: 100%;
  margin-top: 0.42rem;
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  outline: none;
  background: rgba(4, 13, 12, 0.64);
  color: var(--text);
  padding: 0.8rem 0.9rem;
}
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(156, 231, 213, 0.09); }
.primary-button, .secondary-button {
  border-radius: 13px;
  min-height: 44px;
  padding: 0.72rem 1rem;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}
.primary-button { width: 100%; margin-top: 1rem; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-dark); font-weight: 650; }
.secondary-button { border: 1px solid var(--line-strong); background: transparent; color: var(--text); }
.primary-button:hover:not(:disabled), .secondary-button:hover:not(:disabled) { transform: translateY(-1px); }
.secondary-button:hover:not(:disabled) { border-color: var(--accent); background: var(--accent-soft); }
.secondary-button.compact { min-height: 38px; padding: 0.55rem 0.8rem; font-size: 0.8rem; }
.demo-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 0.65rem; margin-top: 0.7rem; }
.resume-block { margin-top: 1rem; }
.resume-block > span { display: block; margin-bottom: 0.42rem; color: var(--muted); font-size: 0.76rem; text-align: center; }
.resume-row { display: grid; grid-template-columns: 1fr auto; gap: 0.55rem; }
.resume-row input { margin: 0; min-width: 0; }
.resume-row .secondary-button { min-width: 92px; }
hr { margin: 1.75rem 0; border: 0; border-top: 1px solid var(--line); }
.identity-chip { margin-top: 1rem; padding: 0.85rem; border: 1px solid var(--line); border-radius: 13px; background: var(--accent-soft); }
.identity-chip span, .identity-chip strong, .identity-chip code { display: block; }
.identity-chip span { color: var(--muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; }
.identity-chip strong { margin: 0.3rem 0; font-weight: 540; }
.identity-chip code { overflow: hidden; text-overflow: ellipsis; color: var(--accent); font-size: 0.7rem; }

.memory-panel { min-height: 720px; overflow: hidden; }
.tabs { display: flex; gap: 0.3rem; padding: 0.7rem; border-bottom: 1px solid var(--line); overflow-x: auto; }
.tab { border: 0; border-radius: 11px; background: transparent; color: var(--muted); padding: 0.62rem 0.82rem; white-space: nowrap; }
.tab.active { background: var(--accent-soft); color: var(--accent); }
.count { display: inline-grid; place-items: center; min-width: 1.35rem; height: 1.35rem; margin-left: 0.3rem; border-radius: 999px; background: rgba(255,255,255,0.08); font-size: 0.7rem; }
.tab-view { display: none; padding: clamp(1.25rem, 4vw, 2.4rem); }
.tab-view.active { display: block; }
.view-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.6rem; }
.version-badge { border: 1px solid var(--line-strong); border-radius: 999px; padding: 0.5rem 0.72rem; color: var(--muted); font-size: 0.78rem; white-space: nowrap; }
.version-badge span { color: var(--accent); }
.empty-state { margin: 4rem auto; max-width: 480px; color: var(--muted); text-align: center; }
.claim-list { display: grid; gap: 0.75rem; }
.claim-card { padding: 1.15rem; border: 1px solid var(--line); border-radius: 16px; background: rgba(3, 12, 11, 0.32); }
.claim-topline { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.type-pill, .claim-label { display: inline-flex; align-items: center; border-radius: 999px; padding: 0.32rem 0.58rem; background: var(--accent-soft); color: var(--accent); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.09em; }
.claim-card p { margin: 0.85rem 0; font-size: 1.05rem; }
.claim-card small, .comparison-grid small { color: var(--muted); }
.claim-card code { color: var(--muted); font-size: 0.7rem; }

.conflict-card { display: grid; gap: 1.15rem; }
.comparison-grid { display: grid; grid-template-columns: 1fr auto 1fr; align-items: stretch; gap: 0.8rem; }
.comparison-grid article { padding: 1.1rem; border: 1px solid var(--line); border-radius: 16px; background: rgba(3, 12, 11, 0.32); }
.claim-label.incoming { color: var(--warning); background: rgba(227, 200, 146, 0.09); }
.comparison-grid p { min-height: 4.5rem; margin: 0.9rem 0; font-size: 1.04rem; }
.versus { display: grid; place-items: center; color: var(--muted); font-size: 0.72rem; }
.judge-explanation { padding: 1rem; border-left: 2px solid var(--warning); background: rgba(227, 200, 146, 0.055); }
.judge-explanation p { margin: 0.7rem 0 0; color: var(--muted); }
.resolution-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.65rem; }
.resolution-actions .primary-button { margin: 0; }

.timeline-list { list-style: none; margin: 0; padding: 0; }
.timeline-list li { position: relative; display: grid; grid-template-columns: 1rem 1fr; gap: 0.9rem; padding-bottom: 1.3rem; }
.timeline-list li::before { content: ""; width: 0.6rem; height: 0.6rem; margin-top: 0.38rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(156, 231, 213, 0.08); }
.timeline-list li:not(:last-child)::after { content: ""; position: absolute; left: 0.28rem; top: 1.1rem; bottom: 0; width: 1px; background: var(--line); }
.timeline-content { padding-bottom: 0.3rem; }
.timeline-content strong { display: block; font-weight: 540; }
.timeline-content small { display: block; margin-top: 0.25rem; color: var(--muted); }

.architecture-strip { margin-top: 1rem; padding: clamp(1.3rem, 4vw, 2.4rem); }
.architecture-note { margin: 1.1rem 0 0; max-width: 840px; color: var(--muted); }
.toast { position: fixed; right: 1.2rem; bottom: 1.2rem; max-width: min(420px, calc(100vw - 2.4rem)); transform: translateY(150%); border: 1px solid var(--line-strong); border-radius: 13px; background: #132522; color: var(--text); padding: 0.85rem 1rem; box-shadow: var(--shadow); transition: transform 220ms ease; }
.toast.visible { transform: translateY(0); }
.hidden { display: none !important; }

@media (max-width: 980px) {
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .workspace { grid-template-columns: 1fr; }
  .memory-panel { min-height: 600px; }
}
@media (max-width: 640px) {
  .site-header { align-items: flex-start; }
  .brand-subtitle, .status-cluster span:last-child { display: none; }
  .hero { padding-top: 4rem; }
  h1 { font-size: clamp(2.8rem, 14vw, 4.6rem); }
  .metric-grid { grid-template-columns: 1fr; }
  .metric { min-height: auto; }
  .comparison-grid { grid-template-columns: 1fr; }
  .versus { min-height: 1.5rem; }
  .resolution-actions { grid-template-columns: 1fr; }
  .demo-pair, .resume-row { grid-template-columns: 1fr; }
  .view-heading { flex-direction: column; }
}