/*
 * Poietikon Hub. One stylesheet, no framework: system fonts, a few tokens,
 * light and dark from the system setting. Cards stack on a phone.
 */
:root {
  color-scheme: light dark;
  --bg: #f6f5f2;
  --card: #ffffff;
  --ink: #1d1c1a;
  --muted: #64615b;
  --line: #e2dfd8;
  --accent: #2f5d50;
  --accent-ink: #ffffff;
  --problem: #9b2c2c;
  --problem-bg: #fbeeee;
  --ok: #2f5d50;
  --ok-bg: #e7f0ec;
  --warn: #8a5a00;
  --warn-bg: #fbf1dc;
  --radius: 12px;
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  line-height: 1.5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615;
    --card: #1f1f1d;
    --ink: #ecebe7;
    --muted: #a3a09a;
    --line: #34332f;
    --accent: #8cc5b2;
    --accent-ink: #10201b;
    --problem: #f0a3a3;
    --problem-bg: #3a2424;
    --ok: #8cc5b2;
    --ok-bg: #1f2e29;
    --warn: #e8c27a;
    --warn-bg: #352c1b;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
}
main {
  margin: 0 auto;
  padding: 24px 16px 48px;
}
main.wide {
  max-width: 64rem;
}
main.narrow {
  max-width: 28rem;
  padding-top: 12vh;
}
.brand-line {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Header */
.bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  padding: 12px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.bar .brand {
  font-weight: 650;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.bar nav {
  display: flex;
  gap: 4px;
  flex: 1;
}
.bar nav a,
.tabs a {
  padding: 6px 10px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
}
.bar nav a[aria-current='page'],
.tabs a[aria-current='page'] {
  color: var(--ink);
  background: var(--bg);
}
.signout {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}
.who {
  color: var(--muted);
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}
.tabs {
  display: flex;
  gap: 4px;
  margin: 0 0 20px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}

/* Type */
h1 {
  margin: 0 0 8px;
  font-size: 1.6rem;
  font-weight: 650;
  overflow-wrap: anywhere;
}
h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 620;
  overflow-wrap: anywhere;
}
h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  overflow-wrap: anywhere;
}
section > h2 {
  margin-top: 8px;
}
.lead {
  margin: 0 0 20px;
  color: var(--muted);
}
.quiet {
  color: var(--muted);
  font-size: 0.9rem;
}
.problem,
.notice {
  padding: 10px 12px;
  border-radius: 8px;
}
.problem {
  color: var(--problem);
  background: var(--problem-bg);
}
.notice {
  color: var(--ok);
  background: var(--ok-bg);
}
pre {
  background: var(--bg);
  padding: 8px 10px;
  border-radius: 6px;
  overflow-x: auto;
}
a {
  color: var(--accent);
}

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin: 0 0 16px;
}
main.narrow > .card:first-child {
  margin-top: 0;
}
.cards,
.people,
.invitations {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 16px;
}
.cards .card {
  margin: 0;
  display: flex;
  flex-direction: column;
}
.cards .card .button {
  margin-top: auto;
  align-self: flex-start;
}
.host {
  margin: 0 0 14px;
}
.person-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.badge {
  font-size: 0.78rem;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}
.badge.ok {
  color: var(--ok);
  background: var(--ok-bg);
  border-color: transparent;
}
.badge.warn {
  color: var(--warn);
  background: var(--warn-bg);
  border-color: transparent;
}
.person form {
  margin-top: 12px;
}
.apps-form {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
}

/* Forms */
.stack {
  display: grid;
  gap: 14px;
}
.row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.row form {
  margin: 0;
}
label {
  display: grid;
  gap: 6px;
  font-size: 0.92rem;
}
label.check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 4px 16px 4px 0;
  font-size: 1rem;
}
fieldset {
  border: 0;
  padding: 0;
  margin: 0;
}
legend {
  font-size: 0.92rem;
  margin-bottom: 4px;
  color: var(--muted);
}
input,
select {
  font: inherit;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: inherit;
  min-height: 44px;
  width: 100%;
}
input[type='checkbox'] {
  width: 20px;
  height: 20px;
  min-height: 0;
  accent-color: var(--accent);
}
input:focus-visible,
select:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
button,
.button {
  display: inline-block;
  font: inherit;
  padding: 10px 16px;
  min-height: 44px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}
button.secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
button.danger {
  background: transparent;
  color: var(--problem);
  border-color: var(--line);
}
button.link {
  background: none;
  border: 0;
  padding: 6px 4px;
  min-height: 0;
  color: var(--accent);
  text-decoration: underline;
}
.copy-row {
  display: flex;
  gap: 8px;
}
.copy-row input {
  flex: 1;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 0.85rem;
}
.created {
  border-color: var(--accent);
}

@media (max-width: 30rem) {
  .bar nav {
    order: 3;
    flex-basis: 100%;
  }
  .copy-row {
    flex-direction: column;
  }
  main.narrow {
    padding-top: 24px;
  }
}