:root {
  --bg: #f6f7f6; --surface: #fff; --ink: #0f1a16; --muted: #5d6b65; --line: #e3e7e4;
  --accent: #16a36b; --accent-strong: #0e7f52; --accent-ink: #fff; --accent-soft: #e6f6ee;
  --dark: #0b1411; --dark-2: #111d18; --dark-line: #22322b; --dark-muted: #9fb3aa;
  --warn: #9a6200; --warn-soft: #fdf3e1; --bad: #b42318; --bad-soft: #fdecea; --info-soft: #eaf1fb;
  --radius: 14px; --shadow: 0 1px 2px rgb(15 26 22 / .05), 0 8px 24px rgb(15 26 22 / .05);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.55; -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; } /* flex/grid elements would otherwise ignore the hidden attribute */
body { margin: 0; }
a { color: var(--accent-strong); }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5rem; letter-spacing: -.02em; }
h1 { font-size: clamp(1.6rem, 3vw, 2rem); }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; }
p { margin: 0 0 .8rem; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .88em; }
code { background: #eef1ef; padding: .1em .35em; border-radius: 5px; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 50%, transparent); outline-offset: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: 16px; }
.muted { color: var(--muted); }
.small { font-size: .9rem; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.big { font-size: 2.2rem; font-weight: 750; margin: 4px 0 2px; line-height: 1; letter-spacing: -.03em; }
.big .of { font-size: 1.1rem; color: var(--muted); font-weight: 600; }

/* ---------- buttons, inputs, pills ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; background: var(--accent); color: var(--accent-ink);
  border: 1px solid var(--accent); border-radius: 10px; padding: .6rem 1.1rem; font: inherit; font-weight: 600; text-decoration: none;
  cursor: pointer; transition: background .15s, border-color .15s, color .15s; }
.btn:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: transparent; border-color: var(--accent); color: var(--accent-strong); }
.btn-outline { background: transparent; color: #fff; border-color: #ffffff40; }
.btn-outline:hover { background: #ffffff12; border-color: #fff; }
.btn-light { background: #fff; color: var(--ink); border-color: #fff; }
.btn-light:hover { background: #e9f7f0; border-color: #e9f7f0; }
.btn-sm { padding: .35rem .75rem; font-size: .86rem; border-radius: 8px; }
.btn-lg { padding: .8rem 1.4rem; font-size: 1.02rem; }
.btn-block { width: 100%; }
.btn-danger { background: var(--bad); border-color: var(--bad); }
.btn-danger:hover { background: #8f1c13; border-color: #8f1c13; }

label { display: flex; flex-direction: column; gap: 6px; font-weight: 500; font-size: .93rem; }
input:not([type=checkbox]) { font: inherit; padding: .62rem .8rem; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); }
input:not([type=checkbox]):focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-soft); }

.alert { background: var(--bad-soft); color: var(--bad); border-radius: 10px; padding: .7rem .9rem; font-size: .93rem; }
.alert.success { background: var(--accent-soft); color: var(--accent-strong); }
.alert.info { background: var(--info-soft); color: #1d4f91; }
.pill { display: inline-block; font-size: .78rem; font-weight: 600; padding: .2rem .65rem; border-radius: 99px; background: #eef1ef; color: var(--muted); white-space: nowrap; }
.pill.ok { background: var(--accent-soft); color: var(--accent-strong); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }
.num { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-strong); font-size: .85rem; font-weight: 700; flex: none; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }

/* ---------- public header/footer ---------- */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--surface) 85%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top .row { height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 750; font-size: 1.12rem; color: var(--ink); text-decoration: none; letter-spacing: -.01em; }
.top nav { display: flex; align-items: center; gap: 22px; }
.top nav a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .95rem; }
.top nav a:not(.btn):hover { color: var(--accent-strong); }
.landing .top { background: color-mix(in srgb, var(--dark) 88%, transparent); border-color: var(--dark-line); }
.landing .top .brand, .landing .top nav a:not(.btn) { color: #fff; }
.landing .top nav a:not(.btn):hover { color: #8fe0bb; }
.public main { padding: 40px 24px 64px; }
.foot { border-top: 1px solid var(--line); padding: 24px 0; font-size: .88rem; }
@media (max-width: 760px) { .hide-sm { display: none; } }

/* ---------- landing ---------- */
.hero-dark { background: radial-gradient(1200px 500px at 85% -10%, #16a36b33, transparent 60%), var(--dark); color: #fff; padding: 88px 0 96px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
@media (max-width: 920px) { .hero-grid { grid-template-columns: 1fr; } }
.hero-dark h1 { font-size: clamp(2.4rem, 5.5vw, 3.8rem); letter-spacing: -.035em; margin-bottom: 18px; }
.hl { background: linear-gradient(90deg, #4ade9b, #16a36b); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow { color: var(--accent); font-weight: 700; font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 12px; }
.hero-dark .eyebrow { color: #6ee7b7; }
.lead { font-size: 1.18rem; color: var(--dark-muted); max-width: 560px; }
.actions { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.works { margin-top: 28px; color: var(--dark-muted); font-size: .9rem; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.works span { border: 1px solid var(--dark-line); border-radius: 99px; padding: .2rem .7rem; color: #d7e6df; }
.mock { background: var(--dark-2); border: 1px solid var(--dark-line); border-radius: 18px; padding: 18px; box-shadow: 0 30px 80px #00000066; font-size: .93rem; }
.mock-bar { display: flex; align-items: center; gap: 6px; color: var(--dark-muted); font-size: .8rem; margin-bottom: 16px; }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2c3d35; }
.mock-bar span { margin-left: 8px; }
.bubble { border-radius: 14px; padding: 12px 14px; margin-bottom: 10px; line-height: 1.5; }
.bubble.user { background: #1e2f28; margin-left: 15%; }
.bubble.ai { background: #13241d; border: 1px solid var(--dark-line); color: #d7e6df; }
.bubble.ai em { color: #6ee7b7; font-style: normal; }
.tool-chip { display: inline-block; font: 600 .76rem ui-monospace, Menlo, monospace; color: #6ee7b7; background: #16a36b1f; border: 1px solid #16a36b40;
  border-radius: 99px; padding: .2rem .65rem; margin: 0 6px 10px 0; }

.section { padding: 88px 0; }
.section.alt { background: #eef2ef; }
.h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); margin-bottom: 36px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 860px) { .grid3 { grid-template-columns: 1fr; } }
.feature .num { margin-bottom: 14px; }
.feature p, .caps p { color: var(--muted); }
.caps > div { border-top: 2px solid var(--line); padding-top: 16px; }
.tier { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 28px; display: flex; flex-direction: column; box-shadow: var(--shadow); }
.tier h3 { font-size: 1.25rem; }
.tier .btn { margin-top: auto; }
.tier.featured { border: 2px solid var(--accent); box-shadow: 0 20px 50px rgb(22 163 107 / .15); }
.badge { position: absolute; top: -12px; left: 28px; background: var(--accent); color: #fff; font-size: .75rem; font-weight: 700; padding: .2rem .7rem; border-radius: 99px; }
.checks { list-style: none; padding: 0; margin: 12px 0 24px; display: grid; gap: 10px; }
.checks li { display: flex; gap: 10px; align-items: flex-start; }
.checks svg { color: var(--accent); flex: none; margin-top: 3px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }
.split .h2 { margin-bottom: 16px; }
.narrow-wrap { max-width: 760px; }
.faq { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; line-height: 1; }
.faq[open] summary::after { content: "–"; }
.faq p { color: var(--muted); margin: 12px 0 0; }
.cta-band { background: linear-gradient(120deg, var(--accent-strong), #0b5e3d); color: #fff; padding: 64px 0; }
.cta-band h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
.cta-band p { color: #c9efdc; margin: 0; }

/* ---------- auth ---------- */
.auth { max-width: 420px; margin: 24px auto; }
.auth form { margin: 18px 0; }

/* ---------- app shell with sidebar ---------- */
.app { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }
.side { position: sticky; top: 0; height: 100vh; background: var(--dark); color: #fff; display: flex; flex-direction: column; padding: 22px 14px; gap: 26px; }
.side .brand { color: #fff; padding: 0 10px; }
.side-nav { display: flex; flex-direction: column; gap: 2px; }
.side-nav a, .side-link { display: flex; align-items: center; gap: 12px; padding: .62rem .8rem; border-radius: 10px; color: var(--dark-muted);
  text-decoration: none; font: inherit; font-weight: 500; background: none; border: 0; width: 100%; cursor: pointer; text-align: left; }
.side-nav a:hover, .side-link:hover { background: #ffffff0d; color: #fff; }
.side-nav a[aria-current=page] { background: #16a36b26; color: #fff; }
.side-nav a[aria-current=page] svg { color: #4ade9b; }
.side-foot { margin-top: auto; border-top: 1px solid var(--dark-line); padding-top: 16px; }
.side-foot form { margin: 0; }
.who { display: flex; flex-direction: column; padding: 0 10px; margin-bottom: 8px; font-size: .88rem; overflow: hidden; }
.who span { color: var(--dark-muted); font-size: .8rem; text-overflow: ellipsis; overflow: hidden; }
.content { padding: 36px 40px 64px; max-width: 1100px; width: 100%; }
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 8px; padding: 12px; }
  .side-nav { flex-direction: row; flex-wrap: wrap; }
  .side-nav span, .who { display: none; }
  .side-foot { margin: 0 0 0 auto; border: 0; padding: 0; }
  .side-foot .side-link span { display: none; }
  .content { padding: 24px 18px 48px; }
}
.page-head { margin-bottom: 24px; }
.narrow { max-width: 720px; }

/* stats + tables */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 20px; }
@media (max-width: 760px) { .stats { grid-template-columns: 1fr; } }
.stat { padding: 20px 22px; }
.table-wrap { overflow-x: auto; margin-top: 8px; }
table { width: 100%; border-collapse: collapse; font-size: .93rem; }
th { text-align: left; font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; padding: 10px 12px; border-bottom: 1px solid var(--line); }
td { padding: 14px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
.actions-cell { display: flex; gap: 8px; justify-content: flex-end; align-items: flex-start; flex-wrap: wrap; }
.confirm { position: relative; }
.confirm summary { list-style: none; }
.confirm summary::-webkit-details-marker { display: none; }
.confirm form { position: absolute; right: 0; top: calc(100% + 6px); z-index: 5; width: 230px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px; box-shadow: var(--shadow); }
.empty { text-align: center; padding: 40px 16px; }

/* stepper + wizard */
.stepper { list-style: none; display: flex; gap: 8px; padding: 0; margin: 0 0 24px; flex-wrap: wrap; counter-reset: s; }
.stepper li { display: flex; align-items: center; gap: 8px; color: var(--muted); font-weight: 500; font-size: .92rem; padding-right: 8px; }
.stepper li:not(:last-child)::after { content: ""; width: 32px; height: 2px; background: var(--line); margin-left: 8px; }
.stepper li span { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--line); font-size: .8rem; font-weight: 700; }
.stepper li[aria-current=step] { color: var(--ink); }
.stepper li[aria-current=step] span { border-color: var(--accent); color: var(--accent-strong); }
.stepper li.done span { background: var(--accent); border-color: var(--accent); color: #fff; }
.pane-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; flex-wrap: wrap; }
.agent-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-top: 12px; }
.agent { display: flex; flex-direction: column; gap: 4px; text-align: left; font: inherit; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px; cursor: pointer; transition: border-color .15s, box-shadow .15s; }
.agent strong { font-size: 1.05rem; }
.agent:hover { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.needs { background: #f6f8f7; border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin: 12px 0 18px; }
.needs ul { margin: 6px 0 0; padding-left: 1.1rem; }
.needs li { margin: 3px 0; }
.needs .unmet { color: var(--bad); }

/* linking */
.qr-row { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; margin-top: 8px; }
.qr { border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 10px; }
.pair-code { font: 700 2rem/1 ui-monospace, Menlo, monospace; letter-spacing: .2em; background: var(--accent-soft); color: var(--accent-strong);
  padding: 16px 20px; border-radius: 12px; display: inline-block; margin: 8px 0 14px; }
.alt-link { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 14px; }
.alt-link summary { cursor: pointer; color: var(--accent-strong); font-weight: 500; }
.alt-link form { margin-top: 12px; }
.row-form { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin-top: 8px; }
.row-form label { flex: 1 1 240px; }

/* code + prompts */
.code { display: flex; gap: 10px; align-items: flex-start; background: var(--dark); border-radius: 10px; padding: 14px; margin: 8px 0 12px; }
.code pre { margin: 0; flex: 1; color: #d8efe5; white-space: pre-wrap; word-break: break-all; }
.code .btn-ghost { color: #d8efe5; border-color: #33463e; }
.prompt { border: 1px dashed #c9d3ce; border-radius: 12px; padding: 14px; margin-top: 18px; background: #fafbfa; }
.prompt pre { white-space: pre-wrap; margin: 10px 0 0; color: var(--muted); font-size: .84rem; max-height: 220px; overflow: auto; }
.guide { padding-left: 1.2rem; margin: 8px 0 12px; }
.guide li { margin-bottom: 7px; }

/* settings */
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar input { flex: 1 1 240px; }
.tool-group { border: 0; padding: 0; margin: 0 0 20px; }
.tool-group legend { font-weight: 700; margin-bottom: 8px; }
.tool { flex-direction: row; align-items: flex-start; gap: 10px; padding: 9px 10px; border-radius: 8px; font-weight: 400; cursor: pointer; }
.tool:hover { background: #f4f6f5; }
.tool input { margin-top: 4px; accent-color: var(--accent); width: 16px; height: 16px; flex: none; }
.tool small { display: block; }
.tag { font-size: .72rem; font-weight: 600; padding: .05rem .45rem; border-radius: 99px; margin-left: 4px; }
.tag.read { background: #eef1ef; color: var(--muted); }
.tag.write { background: var(--warn-soft); color: var(--warn); }
.sticky-save { position: sticky; bottom: 0; background: linear-gradient(transparent, var(--surface) 30%); padding: 18px 0 4px; }
.danger { margin-top: 24px; border-color: #f3c5c0; }