:root {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", sans-serif;
  color: #162018;
  background: #f5f7f4;
  font-synthesis: none;
  --green: #286448;
  --line: #dce3dc;
  --muted: #657168;
  --danger: #a33d35;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 20% 0, #e9f1eb, transparent 34rem), #f5f7f4; }
.shell { width: min(1040px, calc(100% - 32px)); margin: auto; padding: 40px 0 80px; }
.topbar, .section-head, .dialog-head, .actions, .account-actions, .row-actions { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.topbar { margin-bottom: 26px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(28px, 5vw, 42px); letter-spacing: -.04em; margin-bottom: 0; }
h2 { letter-spacing: -.025em; }
.eyebrow { color: var(--green); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 6px; }
.card, dialog { background: rgba(255, 255, 255, .92); border: 1px solid rgba(216, 225, 217, .9); box-shadow: 0 18px 50px rgba(33, 59, 42, .08); border-radius: 22px; }
.card { padding: 24px; }
.auth { width: min(470px, 100%); margin: 9vh auto; }
.muted { color: var(--muted); line-height: 1.6; }
.notice { padding: 13px 16px; border-radius: 14px; background: #e8f2ec; color: #28523c; margin-bottom: 20px; }
.notice.error { background: #faece9; color: #8a322c; }
.hidden { display: none !important; }
button, input, select { font: inherit; }
button { border: 0; border-radius: 12px; padding: 11px 16px; font-weight: 650; cursor: pointer; }
.primary { background: var(--green); color: white; }
.secondary { background: #e7eee9; color: #234c38; }
.quiet { background: transparent; color: var(--muted); }
.danger { background: var(--danger); color: white; }
.icon { font-size: 25px; background: transparent; color: var(--muted); padding: 4px 8px; }
button:disabled { opacity: .45; cursor: not-allowed; }
label { display: grid; gap: 7px; margin: 17px 0; font-weight: 600; }
input, select { width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 12px 13px; background: white; color: inherit; }
input:focus, select:focus { outline: 3px solid rgba(40, 100, 72, .18); border-color: var(--green); }
fieldset { border: 1px solid var(--line); border-radius: 14px; margin: 18px 0; padding: 8px 14px; }
legend { padding: 0 5px; font-weight: 600; }
.check { display: flex; align-items: center; gap: 9px; font-weight: 500; margin: 11px 0; }
.check input { width: auto; }
.switch { padding: 12px 0; }
.warning { background: #fff5df; color: #72551e; padding: 12px 14px; border-radius: 12px; line-height: 1.5; }
.actions { margin-top: 24px; justify-content: flex-end; }
.tabs { display: flex; gap: 6px; padding: 5px; margin-bottom: 28px; border-radius: 15px; background: rgba(226, 233, 227, .78); width: fit-content; }
.tab { background: transparent; color: var(--muted); padding: 9px 15px; }
.tab.active { background: white; color: #1e3929; box-shadow: 0 4px 16px rgba(35, 60, 43, .09); }
.workspace-section { min-height: 280px; }
.summary-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-bottom: 34px; }
.metric { display: grid; gap: 8px; }
.metric span, .metric small { color: var(--muted); }
.metric strong { font-size: 30px; }
.offer-list, .stack { display: grid; gap: 13px; }
.offer, .person, .passkey, .audit-event, .invitation { display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center; }
.offer h3, .person h3, .passkey h3 { margin: 0 0 8px; }
.chips { display: flex; gap: 7px; flex-wrap: wrap; }
.chip, .role-chip { font-size: 12px; padding: 5px 9px; border-radius: 999px; background: #edf2ee; color: #486052; }
.chip.inactive { background: #f1eeee; color: #776966; }
.offer-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.app-picker { max-width: 300px; margin: 0 0 20px; }
.subhead { margin-top: 38px; }
.safety-note { margin-top: 18px; }
.safety-note p { margin: 8px 0 0; }
.empty { text-align: center; color: var(--muted); }
.account-actions { justify-content: flex-end; }
.role-chip { white-space: nowrap; }
.audit-event { grid-template-columns: 1fr auto; }
.audit-event p { margin: 5px 0 0; }
.audit-event time, .invitation time { color: var(--muted); font-size: 13px; }
.person-controls { display: grid; grid-template-columns: repeat(2, minmax(110px, 1fr)); gap: 10px; margin-top: 14px; }
.person-controls label { margin: 0; font-size: 13px; }
.app-checks { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.app-checks label { display: flex; margin: 0; align-items: center; gap: 6px; font-size: 13px; }
.app-checks input { width: auto; }
dialog { width: min(560px, calc(100% - 28px)); border: 0; padding: 26px; color: inherit; }
dialog::backdrop { background: rgba(18, 29, 21, .42); backdrop-filter: blur(5px); }
#preview { line-height: 1.8; }
.pool-list { display: grid; gap: 8px; margin: 16px 0; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.pool { display: flex; align-items: center; justify-content: space-between; gap: 10px; background: #edf2ee; border-radius: 12px; padding: 10px 12px; }
.pool button { padding: 7px 10px; }
.pool span { font-size: 13px; }
small { line-height: 1.5; }

@media (max-width: 720px) {
  .shell { width: min(100% - 22px, 1040px); padding-top: 24px; }
  .summary-grid { grid-template-columns: 1fr; }
  .section-head, .topbar { align-items: flex-start; }
  .offer, .person, .passkey, .invitation { grid-template-columns: 1fr; }
  .offer-actions, .row-actions { justify-content: flex-start; flex-wrap: wrap; }
  .account-actions { display: grid; justify-items: end; gap: 5px; }
  .tabs { width: 100%; overflow-x: auto; }
  .tab { white-space: nowrap; flex: 1; }
  .card { padding: 19px; }
  dialog { padding: 20px; }
  .actions button { flex: 1; }
}

@media (prefers-color-scheme: dark) {
  :root { color: #edf5ef; background: #101511; --line: #344139; --muted: #a3afa7; }
  body { background: radial-gradient(circle at 20% 0, #18271d, transparent 34rem), #101511; }
  .card, dialog { background: rgba(25, 32, 27, .96); border-color: #344139; }
  .notice { background: #1b3929; color: #c7e7d3; }
  .notice.error { background: #42231f; color: #f2c4bd; }
  input, select { background: #121814; border-color: #3b4a40; }
  .chip, .role-chip, .pool { background: #29372e; color: #c9d6cd; }
  .warning { background: #3a301d; color: #efdcae; }
  .tabs { background: #1a231d; }
  .tab.active { background: #29372e; color: #edf5ef; }
}