:root {
  --bg: #0a0c0b;
  --panel: #111413;
  --panel-2: #171b19;
  --line: #242a27;
  --line-strong: #343c38;
  --fg: #eef1ef;
  --muted: #a0a9a4;
  --faint: #6f7974;
  --accent: #45e09a;
  --accent-ink: #04140c;
  --accent-soft: rgba(69, 224, 154, 0.12);
  --danger: #ff6b5c;
  --danger-soft: rgba(255, 107, 92, 0.12);
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --r: 8px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.55 var(--sans);
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, .mono { font-family: var(--mono); font-size: 0.86em; }
h1, h2, h3 { margin: 0; letter-spacing: -0.01em; }
h2 { font-size: 1.3rem; font-weight: 620; }
p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.wrap { max-width: 1320px; margin: 0 auto; padding: 0 24px; }

/* Header */
.top { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
.top-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 16px; padding-bottom: 8px; flex-wrap: wrap; }
.brand { display: flex; gap: 12px; align-items: center; min-width: 0; }
.mark { width: 28px; height: 28px; color: var(--accent); flex: none; }
.brand h1 { font-size: 1.05rem; font-weight: 680; }
.tagline { color: var(--muted); font-size: 0.86rem; }
.links { display: flex; gap: 16px; font-size: 0.86rem; flex-wrap: wrap; }
.links a { color: var(--muted); }
.links a:hover { color: var(--fg); }
.tabs { display: flex; gap: 4px; margin-top: 4px; }
.tab {
  background: none; border: 0; border-bottom: 2px solid transparent; color: var(--muted);
  padding: 8px 12px; cursor: pointer; font-weight: 560;
}
.tab[aria-selected="true"] { color: var(--fg); border-bottom-color: var(--accent); }
.tab:hover { color: var(--fg); }

main.wrap { padding-top: 40px; padding-bottom: 64px; }

/* Typographic helpers */
.lede { color: var(--muted); max-width: 46rem; margin-top: 8px; }
.lede.small { font-size: 0.92rem; }
.hint { color: var(--faint); font-size: 0.84rem; }
.label, .field-label {
  font-size: 0.72rem; font-weight: 640; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted);
}
.field-label { display: block; margin-bottom: 4px; }
.empty { color: var(--faint); font-size: 0.88rem; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.row { display: flex; align-items: center; flex-wrap: wrap; }
.gap { gap: 12px; }

/* Buttons and inputs */
.btn {
  border: 1px solid var(--line-strong); background: var(--panel-2); color: var(--fg);
  border-radius: 6px; padding: 8px 16px; cursor: pointer; font-weight: 560; white-space: nowrap;
}
.btn:hover:not(:disabled) { border-color: var(--muted); }
.btn:disabled { opacity: 0.5; cursor: progress; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); border-color: var(--accent); }
.btn.ghost { background: transparent; }
.btn.small { padding: 4px 12px; font-size: 0.82rem; }
.btn.tiny { padding: 2px 8px; font-size: 0.76rem; }
.btn.danger { color: var(--danger); }
.btn.danger:hover:not(:disabled) { border-color: var(--danger); }
input, select, textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--line-strong); border-radius: 6px;
  padding: 8px 12px; min-width: 0;
}
textarea { font-family: var(--mono); font-size: 0.82rem; line-height: 1.5; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); outline: none; }

/* Cards */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; min-width: 0; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.block { margin-top: 64px; }
.block > h2 + .card, .block > h2 + .table-wrap, .block > .lede + .card, .block > .lede + .table-wrap { margin-top: 16px; }

/* Status dot */
.st { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; font-size: 0.84rem; }
.st::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--faint); flex: none; }
.st.ok::before { background: var(--accent); }
.st.bad::before { background: var(--danger); }
.st.bad { color: var(--danger); }
.st.run::before { background: var(--fg); animation: pulse 1s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.25; } }
.code-ok { color: var(--accent); }
.code-bad { color: var(--danger); }

/* Sandbox hero */
.hero { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.hero h2 { font-size: 1.6rem; font-weight: 660; letter-spacing: -0.02em; }
.hero-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.hero-actions .btn { padding: 12px 24px; font-size: 1rem; }

.grid-sandbox { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 24px; margin-top: 24px; align-items: start; }
.side { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 112px; }

/* Steps */
.steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.step { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; min-width: 0; }
.step.is-running { border-color: var(--line-strong); }
.step.is-bad { border-color: rgba(255, 107, 92, 0.45); }
.step-head { display: grid; grid-template-columns: 28px minmax(0, 1fr) auto; gap: 12px; align-items: start; }
.step-n {
  width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--line-strong); display: grid; place-items: center;
  font: 600 0.74rem var(--mono); color: var(--muted);
}
.step.is-pass .step-n { border-color: var(--accent); color: var(--accent); }
.step.is-bad .step-n { border-color: var(--danger); color: var(--danger); }
.step-title { font-weight: 600; }
.step-expect { color: var(--muted); font-size: 0.86rem; margin-top: 2px; }
.step-body { margin-left: 40px; }
.step-body:empty { display: none; }
.step-note { margin-top: 12px; font-size: 0.88rem; color: var(--muted); }
.step-note.bad { color: var(--danger); }
.elapsed { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); }

.call { margin-top: 12px; border-top: 1px solid var(--line); padding-top: 12px; min-width: 0; }
.call-line { display: flex; gap: 8px 12px; align-items: baseline; flex-wrap: wrap; font-family: var(--mono); font-size: 0.82rem; }
.method { color: var(--muted); font-weight: 600; }
.path { color: var(--fg); overflow-wrap: anywhere; }
.http { font-weight: 700; }
.lat { color: var(--faint); margin-left: auto; }

.facts { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 4px 16px; margin: 12px 0 0; font-size: 0.86rem; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-family: var(--mono); font-size: 0.82rem; overflow-wrap: anywhere; min-width: 0; }
.facts dd.text { font-family: var(--sans); font-size: 0.86rem; }

details { margin-top: 8px; }
summary { cursor: pointer; color: var(--muted); font-size: 0.82rem; user-select: none; }
summary:hover { color: var(--fg); }
pre.code, .code {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--r); padding: 12px 16px;
  overflow: auto; max-height: 360px; margin: 8px 0 0; font-size: 0.78rem; line-height: 1.5; white-space: pre; color: var(--fg);
}
pre.wrap-text { white-space: pre-wrap; word-break: break-all; }
.code-head { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; }

.verify { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.verify-row { display: flex; gap: 8px 12px; flex-wrap: wrap; align-items: baseline; font-size: 0.88rem; }
.callout {
  border: 1px solid var(--line-strong); border-left: 2px solid var(--accent); border-radius: 6px; padding: 8px 12px;
  font-size: 0.86rem; color: var(--muted); margin-top: 12px;
}

/* Balance meter */
.meter { height: 8px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line); overflow: hidden; }
.meter > span { display: block; height: 100%; background: var(--accent); transition: width 0.4s ease; }
.meter.full > span { background: var(--danger); }
.bal-nums { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px; }
.bal-nums div { min-width: 0; }
.bal-nums b { display: block; font: 600 1.05rem var(--mono); font-variant-numeric: tabular-nums; }
.bal-nums span { font-size: 0.74rem; color: var(--muted); }
.bal-meta { margin-top: 12px; font-size: 0.8rem; color: var(--muted); display: flex; flex-direction: column; gap: 2px; }
.bal-meta code { color: var(--fg); overflow-wrap: anywhere; }

.rlist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.rlist li { border-top: 1px solid var(--line); padding: 8px 0; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.rlist li:first-child { border-top: 0; padding-top: 0; }
.rl-top { display: flex; justify-content: space-between; gap: 8px; align-items: center; }
.rl-id { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); overflow-wrap: anywhere; }
.rl-sub { display: flex; gap: 8px 12px; flex-wrap: wrap; align-items: center; font-size: 0.82rem; }
.vres { font-size: 0.8rem; }

/* Simulator */
.sim-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 24px; }
.sim-left { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.sim-left .field-label { margin-top: 8px; }
.sim-info { font-size: 0.84rem; color: var(--muted); display: flex; gap: 8px 16px; flex-wrap: wrap; align-items: center; }
.sim-right { min-width: 0; }

.kv { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 8px 16px; margin: 0; align-items: center; }
.kv dt { color: var(--muted); font-size: 0.86rem; }
.kv dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }

/* Console */
.token-form .token-row { display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto; gap: 8px 12px; align-items: center; }
.token-form .token-row .field-label { margin: 0; }
.token-form .hint { margin-top: 8px; }
.flash { margin-top: 12px; font-size: 0.88rem; }
.flash.bad { color: var(--danger); }
.flash.ok { color: var(--accent); }

.subnav { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin: 24px 0 16px; font-size: 0.88rem; }
.subnav a { color: var(--muted); }
.subnav a:hover { color: var(--fg); }
.subnav .btn { margin-left: auto; }

.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); }
.kpi { padding: 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-width: 0; }
.kpi:nth-child(4n) { border-right: 0; }
.kpi:nth-last-child(-n + 4) { border-bottom: 0; }
.kpi .label { display: block; }
.kpi b { display: block; font: 600 1.4rem var(--mono); font-variant-numeric: tabular-nums; margin-top: 4px; overflow-wrap: anywhere; }
.kpi b.accent { color: var(--accent); }
.kpi b.bad { color: var(--danger); }
.kpi small { color: var(--faint); font-size: 0.76rem; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); margin-top: 16px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
.tbl th {
  text-align: left; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted);
  font-weight: 640; padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; background: var(--panel);
}
.tbl td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; white-space: nowrap; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tbody tr:hover td { background: var(--panel-2); }
.tbl td.r, .tbl th.r { text-align: right; }
.tbl td.wrapcell { white-space: normal; min-width: 180px; max-width: 320px; overflow-wrap: anywhere; }
.tbl .mono { font-size: 0.8rem; }
.tbl .empty-row td { color: var(--faint); text-align: center; padding: 24px; }
.cell-meter { min-width: 150px; }
.cell-meter .meter { margin-top: 4px; }
/* The reset note may wrap, so a periodic key never pushes the row actions out of view. */
.tbl td .period-note { white-space: normal; max-width: 180px; }
.actions { display: flex; gap: 4px; }
.budget-edit { display: flex; gap: 4px; align-items: center; }
.budget-edit input { width: 96px; padding: 2px 8px; }
.pill { display: inline-block; border: 1px solid var(--line-strong); border-radius: 999px; padding: 0 8px; font: 0.74rem var(--mono); color: var(--muted); margin: 1px 2px 1px 0; }

.secret {
  border: 1px solid var(--accent); border-radius: var(--r); padding: 12px 16px; margin-top: 16px;
  display: flex; gap: 8px 16px; align-items: center; flex-wrap: wrap; background: var(--accent-soft);
}
.secret code { color: var(--fg); overflow-wrap: anywhere; font-size: 0.86rem; }
.secret .x { margin-left: auto; }

.form-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.new-org { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.allow { border: 0; padding: 0; margin: 16px 0; }
.checks { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.checks label {
  display: inline-flex; gap: 8px; align-items: center; border: 1px solid var(--line-strong); border-radius: 6px;
  padding: 4px 12px; font: 0.82rem var(--mono); cursor: pointer;
}
.checks input { width: auto; accent-color: var(--accent); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.chip {
  border: 1px solid var(--line-strong); background: transparent; border-radius: 999px; padding: 4px 12px;
  font-size: 0.82rem; cursor: pointer; color: var(--muted); display: inline-flex; gap: 6px; align-items: center;
}
.chip[aria-pressed="true"] { color: var(--fg); border-color: var(--accent); background: var(--accent-soft); }
.chip .n { font-family: var(--mono); color: var(--faint); }

.foot { border-top: 1px solid var(--line); padding-top: 16px; padding-bottom: 40px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--faint); font-size: 0.82rem; }

/* Responsive */
@media (max-width: 1080px) {
  .grid-sandbox { grid-template-columns: minmax(0, 1fr); }
  .side { position: static; }
  .sim-grid { grid-template-columns: minmax(0, 1fr); }
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .top { position: static; }
  .tagline { font-size: 0.8rem; }
  .hero h2 { font-size: 1.35rem; }
  .hero-actions, .hero-actions .btn { width: 100%; }
  .step { padding: 12px; }
  .step-head { grid-template-columns: 24px minmax(0, 1fr); gap: 8px 10px; }
  .step-head > .st, .step-head > .step-status { grid-column: 2; }
  .step-body { margin-left: 0; }
  .facts { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .facts dt { margin-top: 8px; }
  .lat { margin-left: 0; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpi { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .kpi:nth-child(2n) { border-right: 0; }
  .kpi:nth-child(4n) { border-right: 0; }
  .kpi:nth-last-child(-n + 4) { border-bottom: 1px solid var(--line); }
  .kpi:nth-last-child(-n + 2) { border-bottom: 0; }
  .kpi b { font-size: 1.1rem; }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .token-form .token-row { grid-template-columns: minmax(0, 1fr) auto; }
  .token-form .token-row .field-label, .token-form .token-row input { grid-column: 1 / -1; }
  .kv { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .kv dd { margin-bottom: 8px; }
  .subnav .btn { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .st.run::before { animation: none; }
  .meter > span { transition: none; }
}

section[id], .step { scroll-margin-top: 128px; }
.sim-right > .call:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
@media (max-width: 640px) { section[id], .step { scroll-margin-top: 16px; } }
.tbl td.clip { max-width: 320px; overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 640px) { main.wrap { padding-top: 24px; } }

#tool-form { margin-top: 16px; }
#tool-form > .hint { margin: 4px 0 16px; }
#tool-form > .row { margin-top: 16px; }