:root {
  --bg: #f6f5f1;
  --surface: #ffffff;
  --text: #1f2328;
  --muted: #676b72;
  --border: #e2e0d9;
  --accent: #2f6f4e;
  --accent-contrast: #ffffff;
  --danger: #b3261e;
  --radius: 12px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --surface: #1e2125;
    --text: #e8e6e1;
    --muted: #9a9ea5;
    --border: #2c3036;
    --accent: #7cc79b;
    --accent-contrast: #0f1a14;
    --danger: #f2b8b5;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--accent); }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; letter-spacing: .03em; color: var(--text); text-decoration: none; }
.topbar nav { display: flex; align-items: center; gap: .75rem; }
.topbar form { margin: 0; }
.who { color: var(--muted); font-size: .9rem; text-decoration: none; }
.who:hover { color: var(--text); }

.container { flex: 1; width: 100%; max-width: 44rem; margin: 0 auto; padding: 1.5rem 1rem; }
h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 .25rem; }
h2 { font-size: 1.1rem; margin: 0 0 .5rem; }
.muted { color: var(--muted); margin-top: 0; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin: 1rem 0;
}
.card p:last-child { margin-bottom: 0; }
.card.empty p { color: var(--muted); }

.flash { padding: .75rem 1rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }

.auth { max-width: 24rem; margin: 3rem auto; }
.form { display: grid; gap: 1rem; margin-top: 1rem; }
label { display: grid; gap: .35rem; font-weight: 600; font-size: .95rem; }
input[type="text"], input[type="password"] {
  font: inherit;
  padding: .7rem .8rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}
input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

button.primary {
  font: inherit;
  font-weight: 600;
  padding: .75rem 1rem;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-contrast);
  cursor: pointer;
}
button.link { font: inherit; font-size: .9rem; padding: 0; border: 0; background: none; color: var(--accent); cursor: pointer; }
.error { color: var(--danger); margin: 0; }

.footer { text-align: center; color: var(--muted); font-size: .8rem; padding: 1rem; }

/* ── phase 1: navigation, lists, logbook ─────────────────────────────── */
:root {
  --ok: #1f6f43; --ok-bg: #e3f2e8;
  --warn: #8a5a00; --warn-bg: #fbefd5;
  --err: #a1261d; --err-bg: #fbe4e1;
  --neutral-bg: #eeece6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ok: #9fd9b4; --ok-bg: #1d3326;
    --warn: #f1cf8a; --warn-bg: #3a2f17;
    --err: #f2b8b5; --err-bg: #3d1f1d;
    --neutral-bg: #2a2d32;
  }
}

.topbar-right { display: flex; align-items: center; gap: .75rem; }
.topbar-right form { margin: 0; }

.mainnav {
  display: flex; gap: .25rem; overflow-x: auto; padding: .4rem .75rem;
  background: var(--surface); border-bottom: 1px solid var(--border);
  scrollbar-width: none;
}
.mainnav a {
  flex: 0 0 auto; padding: .45rem .75rem; border-radius: 999px;
  color: var(--muted); text-decoration: none; font-size: .95rem;
}
.mainnav a:hover { color: var(--text); }
.mainnav a.active { background: var(--neutral-bg); color: var(--text); font-weight: 600; }
.count {
  display: inline-block; min-width: 1.4em; padding: 0 .4em; border-radius: 999px;
  background: var(--neutral-bg); color: var(--text); font-size: .75rem; text-align: center; font-weight: 600;
}
.count.badge { background: var(--accent); color: var(--accent-contrast); }

.small { font-size: .85rem; }
.prewrap { white-space: pre-wrap; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85em; }
pre {
  overflow-x: auto; padding: .6rem .75rem; margin: .4rem 0 0; border-radius: 8px;
  background: var(--bg); border: 1px solid var(--border); font-size: .8rem;
}
details summary { cursor: pointer; }

.heading-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.heading-row h1, .heading-row h2 { margin-bottom: 0; }
.button-row { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.button-row form, form.inline { display: inline; margin: 0; }

.list { list-style: none; margin: 1rem 0; padding: 0; display: grid; gap: .5rem; }
.list.compact { margin: .5rem 0 0; gap: .25rem; }
.row {
  display: flex; align-items: center; justify-content: space-between; gap: .75rem;
  padding: .8rem 1rem; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border); color: var(--text); text-decoration: none;
}
.list.compact .row { padding: .55rem .75rem; }
a.row:hover { border-color: var(--muted); }
.row.unread { border-left: 4px solid var(--accent); }
.row-main { display: grid; gap: .1rem; min-width: 0; }
.row-main > * { overflow-wrap: anywhere; }

.pill {
  flex: 0 0 auto; display: inline-block; padding: .15rem .55rem; border-radius: 999px;
  background: var(--neutral-bg); color: var(--text); font-size: .78rem; white-space: nowrap;
}
.pill.status-ok, .pill.delivery-done { background: var(--ok-bg); color: var(--ok); }
.pill.status-skipped, .pill.delivery-skipped, .pill.delivery-pending, .pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.status-error, .pill.delivery-failed { background: var(--err-bg); color: var(--err); }

.flash-error { background: var(--err-bg); color: var(--err); border-color: transparent; }

a.button, button.secondary {
  display: inline-block; font: inherit; font-weight: 600; padding: .6rem .9rem; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  text-decoration: none; cursor: pointer;
}
button.small-button { padding: .35rem .6rem; font-size: .85rem; }

select, textarea, input[type="number"] {
  font: inherit; padding: .6rem .7rem; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg); color: var(--text);
}
label.checkbox { display: flex; align-items: center; gap: .5rem; font-weight: 600; }
.help { margin: -.6rem 0 0; }

.actions { display: grid; gap: 1rem; }
.action-form { display: flex; flex-wrap: wrap; align-items: end; gap: .75rem; margin: 0; }
.action-form label { flex: 1 1 12rem; }

.tabs { display: flex; gap: .25rem; margin: .75rem 0 1rem; border-bottom: 1px solid var(--border); }
.tabs a { padding: .5rem .75rem; color: var(--muted); text-decoration: none; border-bottom: 2px solid transparent; }
.tabs a.active { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }

.filters { display: flex; flex-wrap: wrap; align-items: end; gap: .75rem; margin-bottom: 1rem; }
.filters label { font-size: .85rem; }

.timeline { margin: 0; padding-left: 1.2rem; display: grid; gap: .4rem; }

.trace, .trace-children { list-style: none; margin: 0; padding: 0; }
.trace-children { margin: .75rem 0 0 .6rem; padding-left: .9rem; border-left: 2px solid var(--border); }
.trace-node { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .8rem 1rem; margin-bottom: .6rem; }
.trace-node.highlight { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.trace-head { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; }
.trace-node > p { margin: .25rem 0; }
.trace-logs { list-style: none; margin: .5rem 0 0; padding: 0; display: grid; gap: .3rem; font-size: .9rem; }
.trace-logs .kind {
  display: inline-block; min-width: 8.5rem; color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .75rem;
}
.trace-logs .log-warning > span:not(.kind) { color: var(--warn); }
.trace-logs .log-error > span:not(.kind) { color: var(--err); font-weight: 600; }
.trace-logs .log-debug { opacity: .75; }
.error-details { margin-top: .5rem; color: var(--err); }
.deliveries { list-style: none; padding: 0; margin: .4rem 0 0; display: grid; gap: .3rem; }
.row.static { align-items: flex-start; }
@media (max-width: 30rem) {
  .trace-logs .kind { display: block; min-width: 0; }
  .trace-children { margin-left: .2rem; padding-left: .6rem; }
}