:root {
  --bg: #07110f;
  --bg-elev: #0d1c18;
  --panel: #10241f;
  --panel-2: #16302a;
  --ink: #e8f5f0;
  --muted: #8aa99c;
  --line: rgba(232, 245, 240, 0.1);
  --accent: #b6f34d;
  --accent-ink: #0a160f;
  --warm: #f0c27a;
  --cyan: #7ec8ff;
  --violet: #c4a0ff;
  --danger: #ff7b72;
  --good: #b6f34d;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
  --display: "Syne", sans-serif;
  --radius: 12px;
  --max: 1180px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  background: var(--bg);
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(900px 500px at 8% -10%, rgba(182, 243, 77, 0.16), transparent 55%),
    radial-gradient(700px 420px at 100% 10%, rgba(126, 200, 255, 0.1), transparent 50%),
    linear-gradient(180deg, #0a1612 0%, var(--bg) 40%, #050c0a 100%);
}
.grain::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topnav {
  display: flex;
  align-items: center;
  gap: 6px 14px;
  padding: 12px clamp(1rem, 4vw, 1.75rem);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  flex-wrap: wrap;
}
.topnav .brand {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: -0.03em;
  text-decoration: none;
  margin-right: 8px;
}
.topnav a:not(.brand) {
  color: var(--muted);
  font-size: 0.85rem;
  text-decoration: none;
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}
.topnav a:not(.brand):hover { color: var(--ink); }
.topnav a.is-active {
  color: var(--accent-ink);
  background: var(--accent);
  font-weight: 600;
}
.topnav .sep { flex: 1; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem) 4rem;
}

.hero {
  padding: 2.1rem 0 1.25rem;
}
.eyebrow {
  margin: 0 0 0.4rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}
.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.045em;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  line-height: 0.95;
}
.lede {
  margin: 0.85rem 0 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.02rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.1rem;
  align-items: center;
}

.status-pill {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--bg-elev);
}
.status-pill.live {
  color: var(--accent-ink);
  background: var(--accent);
  border-color: transparent;
  font-weight: 700;
}
.status-pill.mock {
  color: var(--warm);
  border-color: color-mix(in srgb, var(--warm) 45%, transparent);
  background: color-mix(in srgb, var(--warm) 12%, transparent);
}

.tool-tabs {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin: 1.5rem 0 0;
  padding: 0.3rem;
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  border: 1px solid var(--line);
  border-radius: 999px;
  width: fit-content;
  max-width: 100%;
}
.tool-tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.55rem 1.05rem;
  border-radius: 999px;
  cursor: pointer;
  min-height: 42px;
}
.tool-tab:hover { color: var(--ink); }
.tool-tab.active {
  background: var(--accent);
  color: var(--accent-ink);
}
.tool-tab:disabled,
.tool-tab.is-soon {
  opacity: 0.55;
  cursor: pointer;
}
.tool-tab .soon {
  margin-left: 0.35rem;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.subnav {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
  margin: 1.25rem 0 1rem;
  border-bottom: 1px solid var(--line);
}
.subnav button {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.7rem 0.85rem;
  cursor: pointer;
  margin-bottom: -1px;
}
.subnav button:hover { color: var(--ink); }
.subnav button.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.view { display: none; }
.view.active { display: block; animation: fade 0.18s ease; }
@keyframes fade {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: none; }
}

.panel { display: none; }
.panel.active { display: block; }

h2 {
  font-family: var(--display);
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  margin: 0.4rem 0 0.7rem;
}
h3 { font-size: 1.02rem; margin: 0 0 0.65rem; }
.path-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}
.path-table th,
.path-table td {
  text-align: left;
  padding: 0.7rem 0.55rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.path-table th {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
}
.path-table code { font-size: 0.78rem; word-break: break-all; }
.table-wrap { overflow-x: auto; }

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.05rem 1.15rem;
  margin: 0.75rem 0;
}

.flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}
.flow-card {
  margin: 0;
  background: var(--panel);
  min-height: 8.2rem;
}
.flow-card b {
  display: block;
  font-family: var(--display);
  font-size: 1.02rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}
.flow-card p { margin: 0; color: var(--muted); font-size: 0.86rem; }
.flow-card .n {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.08em;
}

label {
  display: block;
  margin: 0.7rem 0 0.2rem;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
}
input[type="text"],
input[type="password"],
input[type="search"],
input[type="number"],
select,
textarea {
  width: 100%;
  margin-top: 0.3rem;
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0a1612;
  color: var(--ink);
  font: inherit;
  font-size: 16px;
}
textarea {
  resize: vertical;
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.55;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 1px;
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
}

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
.row { display: flex; gap: 0.65rem; align-items: center; flex-wrap: wrap; margin-top: 0.9rem; }
.row.spread { justify-content: space-between; margin-top: 0; }
.row.end { justify-content: flex-end; }
.req { color: var(--danger); }

.btn {
  font-family: var(--mono);
  font-size: 0.78rem;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.55rem 0.95rem;
  cursor: pointer;
  color: var(--ink);
  background: var(--panel-2);
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn.primary {
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}
.btn.primary:hover:not(:disabled) { filter: brightness(1.05); }
.btn.ghost {
  background: transparent;
  border-color: var(--line);
}
.btn.ghost:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.btn.sm { padding: 0.32rem 0.7rem; font-size: 0.72rem; }
.btn.danger:hover { border-color: var(--danger); color: var(--danger); }

.hint { font-size: 0.78rem; color: var(--muted); }
.callout {
  background: color-mix(in srgb, var(--cyan) 8%, transparent);
  border-left: 3px solid var(--cyan);
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  margin: 0.7rem 0;
  font-size: 0.92rem;
}
.goal { color: var(--warm); font-weight: 600; }

.code-block, .code-area {
  background: #07140f;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.6;
  color: #cfe9d8;
}
.code-area { width: 100%; min-height: 90px; }
.code-out { border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); color: #e4f7c8; }
.code-block.tall { max-height: 430px; }

details { margin: 0.7rem 0; }
summary { cursor: pointer; font-weight: 600; color: var(--muted); margin-bottom: 0.5rem; }
ul { margin: 0.4rem 0 0.4rem 1.1rem; padding: 0; }
li { margin: 0.2rem 0; }
.idea-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.idea-list li {
  margin: 0;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  line-height: 1.55;
}
.idea-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.idea-list li:first-child { padding-top: 0; }
.idea-list b { color: var(--ink); font-weight: 600; }
ol { margin: 0.4rem 0; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.live-tok {
  display: flex;
  gap: 0.8rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 0.4rem;
}

.tcard {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem;
}
.tcard h4 {
  margin: 0 0 0.55rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--ink);
  font-size: 0.95rem;
}
.tok-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.86rem;
  padding: 0.18rem 0;
  color: var(--muted);
}
.tok-row b { color: var(--ink); font-variant-numeric: tabular-nums; }
.save-bar {
  height: 8px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--ink) 10%, transparent);
  margin: 0.7rem 0 0.35rem;
  overflow: hidden;
}
.save-bar > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #7ec8ff);
  border-radius: 6px;
}
.pct {
  font-family: var(--display);
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
}

.ring-wrap {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin: 0.4rem 0 0.8rem;
}
.ring {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: conic-gradient(var(--accent) var(--p, 0%), color-mix(in srgb, var(--ink) 12%, transparent) 0);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.ring::after {
  content: "";
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--bg-elev);
}
.ring-copy .big {
  font-family: var(--display);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}
.ring-copy .sub { color: var(--muted); font-size: 0.82rem; margin-top: 0.2rem; }

.step-row {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin: 0.65rem 0;
  background: var(--panel);
}
.step-title { width: auto; min-width: 200px; margin-top: 0; padding: 2px 4px; font-size: 0.95rem; }

.mem-card { display: flex; justify-content: space-between; gap: 14px; }
.mem-main { flex: 1; min-width: 0; }
.mem-meta { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.mem-preview { color: var(--muted); font-size: 13px; margin: 6px 0 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kind { font-size: 11px; border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; }
.kind.project { color: var(--warm); }
.kind.prompt { color: var(--cyan); }
.kind.wiki { color: var(--accent); }
.kind.skill { color: var(--violet); }
.empty { color: var(--muted); text-align: center; padding: 2rem 0; }

.soon-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-top: 0.5rem;
}
.soon-card h3 { font-family: var(--display); font-size: 1.25rem; }
.soon-card p { color: var(--muted); margin: 0; }

.toast {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  background: #142820;
  border: 1px solid var(--accent);
  color: var(--ink);
  padding: 10px 18px;
  border-radius: 10px;
  z-index: 60;
  box-shadow: var(--shadow);
  font-size: 0.88rem;
}
.hidden { display: none !important; }

dialog {
  background: var(--bg-elev);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 14px;
  width: min(560px, 92vw);
  padding: 1.2rem 1.4rem;
}
dialog::backdrop { background: rgba(4, 12, 10, 0.65); backdrop-filter: blur(4px); }
.check { display: flex; align-items: center; gap: 8px; font-weight: 500; color: var(--muted); }
.check input { width: auto; margin: 0; }

.foot {
  max-width: var(--max);
  margin: 2rem auto 0;
  padding: 1.5rem clamp(1rem, 4vw, 2rem) 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}
.foot a { color: var(--accent); }

code {
  font-family: var(--mono);
  font-size: 0.84em;
  background: #07140f;
  border: 1px solid var(--line);
  padding: 0.05rem 0.35rem;
  border-radius: 5px;
}

@media (max-width: 860px) {
  .flow, .grid2, .split, .soon-grid { grid-template-columns: 1fr; }
  .tool-tabs { width: 100%; border-radius: 14px; }
  .topnav { gap: 4px; }
  .topnav a:not(.brand) { padding: 0.4rem 0.5rem; }
}