/* Stube posta – mobile-first, system fonts, no external resources. */
:root {
  --bg: #f6f4ef;
  --card: #ffffff;
  --text: #1d1d1b;
  --muted: #6b6a66;
  --line: #e2ded5;
  --accent: #8a1c1c;
  --accent-text: #ffffff;
  --ok: #2d7a3a;
  --warn: #b35c00;
  --err: #b3261e;
  --urgent: #d7263d;
  --reply: #e8871e;
  --todo: #d9b514;
  --info: #3b7dd8;
  --low: #8d8d8d;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15151a;
    --card: #1f1f26;
    --text: #ebe9e4;
    --muted: #a09e98;
    --line: #33333d;
    --accent: #d94a4a;
    --accent-text: #ffffff;
    --ok: #5fcf72;
    --warn: #f0a24a;
    --err: #ff6b62;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
}
a { color: var(--accent); }
h1 { font-size: 1.35rem; margin: 0.4rem 0 0.8rem; overflow-wrap: anywhere; }
h2 { font-size: 1.05rem; margin: 0 0 0.5rem; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.inline { display: inline; }

/* header */
.top {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem 1rem;
  padding: 0.6rem 0.9rem; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
}
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
.nav { display: flex; flex-wrap: wrap; gap: 0.2rem 0.8rem; font-size: 0.95rem; }
.nav a { text-decoration: none; color: var(--muted); padding: 0.15rem 0; }
.nav a.on { color: var(--accent); font-weight: 600; border-bottom: 2px solid var(--accent); }
button.link { background: none; border: 0; padding: 0; color: var(--muted); font: inherit; cursor: pointer; }
.page { padding: 0.8rem 0.9rem 2rem; max-width: 980px; margin: 0 auto; }
.foot { text-align: center; color: var(--muted); font-size: 0.8rem; padding: 1rem; }

/* cards & grid */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 0.9rem; margin-bottom: 0.9rem; }
.card.warn { border-color: var(--warn); }
.card.narrow { max-width: 420px; margin: 2rem auto; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; margin-bottom: 0.9rem; }
.grid .card { margin: 0; }
.stat .k { color: var(--muted); font-size: 0.85rem; }
.stat .v { font-size: 1.4rem; font-weight: 700; }
progress.bar { display: block; width: 100%; height: 6px; margin-top: 0.4rem; border: 0; border-radius: 3px; overflow: hidden;
  background: var(--line); -webkit-appearance: none; appearance: none; }
progress.bar::-webkit-progress-bar { background: var(--line); border-radius: 3px; }
progress.bar::-webkit-progress-value { background: var(--accent); border-radius: 3px; }
progress.bar::-moz-progress-bar { background: var(--accent); border-radius: 3px; }

/* flash */
.flash { padding: 0.6rem 0.8rem; border-radius: var(--radius); margin: 0 0 0.8rem; border: 1px solid var(--line); background: var(--card); }
.flash-ok { border-color: var(--ok); }
.flash-error { border-color: var(--err); }
.flash-info { border-color: var(--info); }

/* forms */
label { display: block; margin-bottom: 0.7rem; font-size: 0.95rem; }
label.check { display: inline-flex; align-items: center; gap: 0.3rem; margin: 0; }
input[type=text], input[type=password], input[type=search], select, textarea {
  display: block; width: 100%; margin-top: 0.25rem; padding: 0.55rem 0.6rem; font: inherit;
  color: var(--text); background: var(--card); border: 1px solid var(--line); border-radius: 8px;
}
input.code { font-size: 1.6rem; letter-spacing: 0.4em; text-align: center; }
textarea { min-height: 4.5rem; resize: vertical; }
.btn {
  display: inline-block; padding: 0.5rem 0.9rem; border-radius: 8px; border: 1px solid var(--line);
  background: var(--card); color: var(--text); font: inherit; cursor: pointer; text-decoration: none;
}
.btn.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.btn.danger { border-color: var(--err); color: var(--err); }
.btn.small { padding: 0.3rem 0.6rem; font-size: 0.9rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin-bottom: 0.9rem; }
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin-bottom: 0.8rem; }
.filters input, .filters select { width: auto; margin: 0; flex: 1 1 8rem; }
.filters.search input { flex: 1 1 14rem; }

/* chips */
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.7rem; }
.chip { display: inline-block; padding: 0.25rem 0.6rem; border-radius: 999px; border: 1px solid var(--line); background: var(--card); text-decoration: none; color: var(--text); font-size: 0.9rem; }
.chip.on { border-color: var(--accent); font-weight: 600; }

/* lists */
.list { list-style: none; margin: 0; padding: 0; }
.list .row { display: flex; align-items: center; gap: 0.6rem; padding: 0.6rem 0.4rem; border-bottom: 1px solid var(--line); }
.list .row.current { background: color-mix(in srgb, var(--ok) 10%, transparent); }
.rowlink { display: flex; gap: 0.6rem; align-items: flex-start; text-decoration: none; color: inherit; width: 100%; }
.row.done { opacity: 0.55; }
.ic { flex: 0 0 1.4rem; text-align: center; }
.grow { flex: 1 1 auto; min-width: 0; }
.line1 { display: flex; flex-wrap: wrap; gap: 0.3rem; align-items: center; font-size: 0.9rem; }
.from { font-weight: 600; }
.time { margin-left: auto; color: var(--muted); white-space: nowrap; }
.subj { display: block; overflow-wrap: anywhere; }
.head { display: block; color: var(--muted); font-size: 0.9rem; }
.num { font-weight: 700; color: var(--accent); }
.badge { display: inline-block; padding: 0 0.4rem; border-radius: 6px; font-size: 0.75rem; border: 1px solid var(--line); color: var(--muted); }
.badge.ok { border-color: var(--ok); color: var(--ok); }
.badge.warn { border-color: var(--warn); color: var(--warn); }
.badge.vip { border-color: var(--todo); }
.badge.mute { border-color: var(--low); }
.b-urgent .ic, .badge.b-urgent { color: var(--urgent); }
.b-reply .ic, .badge.b-reply { color: var(--reply); }
.b-todo .ic, .badge.b-todo { color: var(--todo); }
.b-info .ic, .badge.b-info { color: var(--info); }
.b-low .ic, .badge.b-low { color: var(--low); }
.pager { display: flex; justify-content: space-between; gap: 0.5rem; padding: 0.8rem 0; }

/* message view */
.crumbs { margin: 0; }
.meta { display: grid; grid-template-columns: auto 1fr; gap: 0.15rem 0.7rem; font-size: 0.92rem; margin: 0.4rem 0; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; overflow-wrap: anywhere; }
.badges { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-bottom: 0.8rem; }
.body { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 0.97rem; }
.attachments { padding-left: 1rem; }
.mailframe { width: 100%; height: 70vh; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.error-card { max-width: 520px; margin: 2rem auto; }

@media (min-width: 700px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
  h1 { font-size: 1.6rem; }
  .page { padding: 1.2rem 1.5rem 3rem; }
}

/* drafts / settings / logs (class names used by the drafts+settings templates) */
button.primary, button.secondary, button.danger, .button-link {
  display: inline-block; padding: 0.5rem 0.9rem; border-radius: 8px; border: 1px solid var(--line);
  background: var(--card); color: var(--text); font: inherit; cursor: pointer; text-decoration: none;
}
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.danger { border-color: var(--err); color: var(--err); }
.filters a { padding: 0.25rem 0.6rem; border-radius: 999px; border: 1px solid var(--line); text-decoration: none; color: var(--text); font-size: 0.9rem; }
.filters a.active { border-color: var(--accent); font-weight: 600; }
.empty { color: var(--muted); padding: 1rem 0; }
.errors { border: 1px solid var(--err); border-radius: var(--radius); padding: 0.6rem 0.8rem 0.6rem 1.8rem; margin: 0 0 0.8rem; background: var(--card); }
.warning { border: 1px solid var(--warn); border-radius: 8px; padding: 0.4rem 0.6rem; margin: 0.4rem 0; }
.checks { padding-left: 1.2rem; color: var(--warn); }
.headers { display: grid; grid-template-columns: auto 1fr; gap: 0.15rem 0.7rem; font-size: 0.92rem; margin: 0 0 0.6rem; }
.headers dt { color: var(--muted); }
.headers dd { margin: 0; overflow-wrap: anywhere; }
.mail-body { white-space: pre-wrap; overflow-wrap: anywhere; font: inherit; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 0.7rem; }
.draft-body-form textarea { min-height: 16rem; font-size: 0.97rem; }
.quick { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.6rem; }
.actions-row { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; }
.send-pending { border-color: var(--warn); }
.htmx-indicator { display: none; color: var(--muted); }
.htmx-request .htmx-indicator, .htmx-request.htmx-indicator { display: inline; }
.row-link { display: block; text-decoration: none; color: inherit; width: 100%; }
.row-main { display: block; }
.row-subject { display: block; font-weight: 600; overflow-wrap: anywhere; }
.row-meta { display: block; color: var(--muted); font-size: 0.88rem; }
.drafts-list .row { display: block; }
.settings-form fieldset { border: 1px solid var(--line); }
.settings-form legend { font-weight: 600; padding: 0 0.3rem; }
label.checkbox { display: inline-flex; align-items: center; gap: 0.4rem; }
label.checkbox input { width: auto; margin: 0; }
.log { font: 0.78rem/1.35 ui-monospace, Consolas, monospace; white-space: pre-wrap; overflow-wrap: anywhere; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 0.7rem; max-height: 75vh; overflow: auto; }