:root {
  --bg: #F2F4F1;
  --surface: #FFFFFF;
  --ink: #17201C;
  --muted: #5B6862;
  --line: #D9DFDA;
  --accent: #2D6A4F;
  --accent-ink: #FFFFFF;
  --accent-soft: #E1EEE6;
  --focus: #7FB89A;
  --warn: #9A6A12;
  --warn-soft: #F6EBD3;
  --err: #B24A34;
  --display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #111614; --surface: #1A211E; --ink: #E7ECE9; --muted: #9AA8A1;
    --line: #2C3531; --accent: #6FBF95; --accent-ink: #0E1512; --accent-soft: #1F3329;
    --focus: #3F7F60; --warn: #E0B35A; --warn-soft: #3A2F18; --err: #E4846F;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111614; --surface: #1A211E; --ink: #E7ECE9; --muted: #9AA8A1;
  --line: #2C3531; --accent: #6FBF95; --accent-ink: #0E1512; --accent-soft: #1F3329;
  --focus: #3F7F60; --warn: #E0B35A; --warn-soft: #3A2F18; --err: #E4846F;
}

* { box-sizing: border-box; }
html { color-scheme: light; }
body { margin: 0; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }
[hidden] { display: none !important; }
body {
  background: var(--bg); color: var(--ink);
  font: 16px/1.6 var(--body);
  padding-inline: 20px;
  min-height: 100vh;
}
.wrap { max-width: 1040px; margin: 0 auto; display: flex; flex-direction: column; min-height: 100vh; }

header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 24px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.logo svg { width: 34px; height: 34px; flex: none; }
.logo span { font: 500 20px/1 var(--mono); letter-spacing: -0.02em; }
.logo b { color: var(--accent); font-weight: 500; }
.nav { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: 600 15px/1 var(--body); padding: 12px 20px; border-radius: 8px;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink);
  text-decoration: none; cursor: pointer; transition: filter .15s;
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink); filter: none; }
.btn.sm { font-size: 14px; padding: 8px 14px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

main { flex: 1; display: flex; align-items: center; padding-block: 48px 80px; }
main.top { align-items: flex-start; padding-block: 16px 64px; }

/* Landing */
.hero { max-width: 680px; display: flex; flex-direction: column; gap: 24px; }
.prompt { font: 500 14px/1 var(--mono); color: var(--muted); }
.prompt i { font-style: normal; display: inline-block; width: 8px; height: 16px; background: var(--accent); vertical-align: -3px; margin-left: 4px; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
h1 { font: 700 clamp(40px, 7vw, 72px)/1.02 var(--display); letter-spacing: -0.03em; margin: 0; text-wrap: balance; }
h1 em { font-style: normal; color: var(--accent); }
.lede { font-size: 18px; color: var(--muted); margin: 0; max-width: 54ch; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

footer { border-top: 1px solid var(--line); padding-block: 20px; font: 500 12px/1.4 var(--mono); color: var(--muted); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* Auth cards */
.card-auth { width: 100%; max-width: 400px; margin: 0 auto; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 32px; display: flex; flex-direction: column; gap: 24px; }
.card-auth h2 { font: 700 28px/1.1 var(--display); margin: 0; letter-spacing: -0.02em; }
.card-auth p.sub { margin: 6px 0 0; color: var(--muted); font-size: 15px; }
form { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 14px; font-weight: 500; }
.row { display: flex; justify-content: space-between; align-items: baseline; }
.row a, .alt a, .link { color: var(--accent); font-size: 14px; text-decoration: none; }
.row a:hover, .alt a:hover, .link:hover { text-decoration: underline; }
input[type=email], input[type=password], textarea {
  font: 16px/1.4 var(--body); color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; padding: 11px 12px; width: 100%;
}
textarea { resize: vertical; min-height: 72px; }
input:focus, textarea:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--focus); }
.check { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }
.check input { accent-color: var(--accent); width: 16px; height: 16px; }
.card-auth form .btn { width: 100%; padding-block: 14px; }
.msg { font-size: 14px; margin: 0; padding: 10px 12px; border-radius: 8px; background: var(--bg); border: 1px solid var(--line); }
.msg.err { border-color: var(--err); color: var(--err); }
.alt { text-align: center; font-size: 14px; color: var(--muted); margin: 0; }
.divider { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* Portal */
.portal { width: 100%; display: flex; flex-direction: column; gap: 24px; }
.p-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px; }
.p-head h2 { font: 700 clamp(28px, 4vw, 36px)/1.1 var(--display); margin: 4px 0 0; letter-spacing: -0.02em; }
.eyebrow { font: 500 12px/1 var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.who { font-size: 14px; color: var(--muted); display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tab { font: 500 14px/1 var(--body); padding: 8px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; }
.tab[aria-selected="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.summary > div { background: var(--surface); padding: 16px 18px; display: flex; flex-direction: column; gap: 4px; }
.summary .k { font-size: 13px; color: var(--muted); }
.summary .v { font: 700 22px/1.2 var(--display); font-variant-numeric: tabular-nums; }
.bar { height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; margin-top: 6px; }
.bar span { display: block; height: 100%; background: var(--accent); }

.grid2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; align-items: start; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 20px; display: flex; flex-direction: column; gap: 16px; }
.panel h3 { font: 600 17px/1.2 var(--body); margin: 0; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.count { font: 500 12px/1 var(--mono); color: var(--muted); }
ul.list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
ul.list li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-block: 12px; border-top: 1px solid var(--line); }
ul.list li:first-child { border-top: 0; padding-top: 0; }
.li-main { display: flex; flex-direction: column; min-width: 0; }
.li-main strong { font-weight: 500; }
.li-main small { color: var(--muted); font-size: 13px; }
.pill { font: 500 12px/1 var(--mono); padding: 5px 8px; border-radius: 99px; white-space: nowrap; border: 1px solid var(--line); color: var(--muted); }
.pill.done { background: var(--accent-soft); border-color: transparent; color: var(--accent); }
.pill.active { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.pill.wait { background: var(--warn-soft); border-color: transparent; color: var(--warn); }
.approvals li { flex-wrap: wrap; }
.btns { display: flex; gap: 8px; }
.empty { color: var(--muted); font-size: 14px; margin: 0; }
.thread { display: flex; flex-direction: column; gap: 12px; max-height: 320px; overflow-y: auto; }
.bubble { padding: 10px 12px; border-radius: 10px; background: var(--bg); font-size: 15px; max-width: 90%; }
.bubble.me { background: var(--accent-soft); align-self: flex-end; }
.bubble small { display: block; color: var(--muted); font-size: 12px; margin-bottom: 2px; }
.reply { flex-direction: row; gap: 8px; align-items: flex-end; }
.reply textarea { min-height: 44px; }
.num { font-variant-numeric: tabular-nums; font-family: var(--mono); font-size: 14px; }

@media (max-width: 820px) {
  .grid2 { grid-template-columns: 1fr; }
  .summary { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) { .card-auth { padding: 24px 20px; } }
@media (prefers-reduced-motion: reduce) { .prompt i { animation: none; } }

.btn:disabled { opacity: .6; cursor: progress; }
footer a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
footer a:hover { color: var(--accent); }