:root {
  --bg: #f5f5f4;
  --card: #ffffff;
  --text: #1c1917;
  --muted: #78716c;
  --line: #e7e5e4;
  --accent: #111111;
  --accent-text: #ffffff;
  --danger: #b91c1c;
  --ok-bg: #ecfdf5;
  --ok-text: #065f46;
  --err-bg: #fef2f2;
  --warn: #92400e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0a09;
    --card: #1c1917;
    --text: #f5f5f4;
    --muted: #a8a29e;
    --line: #292524;
    --accent: #f5f5f4;
    --accent-text: #0c0a09;
    --danger: #f87171;
    --ok-bg: #052e22;
    --ok-text: #6ee7b7;
    --err-bg: #2a0f0f;
    --warn: #fbbf24;
  }
}

* { box-sizing: border-box; }
/* атрибут hidden должен побеждать display:flex у подписей полей */
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.page { max-width: 760px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 24px; margin: 0; }
h2 { font-size: 18px; margin: 0 0 12px; }

.top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}
.card-error { border-color: var(--danger); }
.login { max-width: 380px; margin: 15vh auto 0; }
.login h1 { margin-bottom: 16px; }

.row { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.row input[type=password], .row input[type=file] { flex: 1; min-width: 200px; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.actions form, .row form { margin: 0; }

label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--muted); }
input, textarea {
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  width: 100%;
}
textarea { resize: vertical; }
input[type=radio] { width: auto; }
input[type=file] { padding: 6px; }
.modes { border: 0; padding: 0; margin: 0; display: flex; gap: 16px; flex-wrap: wrap; }
.modes label { flex-direction: row; align-items: center; color: var(--text); font-size: 15px; }
.slots { align-items: flex-end; margin-bottom: 12px; }
.slots label { flex: 1; }

button {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-text);
  border-radius: 8px;
  padding: 8px 14px;
}
button.secondary { background: transparent; color: var(--text); border-color: var(--line); }
button.danger { background: transparent; color: var(--danger); border-color: var(--line); }
button.link { background: none; border: 0; padding: 0; color: var(--muted); text-decoration: underline; }
button.icon { background: transparent; color: var(--text); border-color: var(--line); padding: 4px 10px; }
button:disabled { opacity: .35; cursor: default; }

.post { border-top: 1px solid var(--line); padding: 12px 0; }
.post:first-of-type { border-top: 0; }
.post .text { white-space: pre-wrap; margin: 6px 0 10px; }
.when-at { margin: 0; font-weight: 600; }
.badge { font-size: 12px; font-weight: 500; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; margin-left: 6px; }
.image { display: flex; gap: 12px; align-items: flex-end; margin-bottom: 10px; }
.image img { max-width: 160px; max-height: 160px; border-radius: 8px; border: 1px solid var(--line); }
details { margin-bottom: 10px; }
summary { cursor: pointer; color: var(--muted); }
details[open] > form { margin-top: 8px; }

.muted { color: var(--muted); font-size: 14px; margin: 0; }
.error { color: var(--danger); font-size: 14px; margin: 0; }
.warn { color: var(--warn); font-size: 14px; }
.flash { padding: 10px 14px; border-radius: 8px; margin: 0 0 12px; }
.flash-ok { background: var(--ok-bg); color: var(--ok-text); }
.flash-error { background: var(--err-bg); color: var(--danger); }
a { color: inherit; }
code { font-size: 14px; }