:root {
  --bg: #f5f6f8; --card: #fff; --ink: #1c2430; --muted: #647080;
  --line: #dde2ea; --accent: #2451b3; --accent-soft: #e6ecfa;
  --green: #1a7f4b; --green-soft: #e3f3ea; --red: #b3362e; --red-soft: #fae5e3;
  --orange: #9a6b0a; --orange-soft: #faf0d8; --blue: #2451b3; --blue-soft: #e6ecfa;
  --gray: #647080; --gray-soft: #eceef2;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10151d; --card: #171e29; --ink: #e8ecf2; --muted: #93a0b4;
    --line: #2a3441; --accent: #7fa3f0; --accent-soft: #1e2a45;
    --green: #5cc78f; --green-soft: #16301f; --red: #e58a82; --red-soft: #3a1c19;
    --orange: #e3b355; --orange-soft: #33270e; --blue: #7fa3f0; --blue-soft: #1e2a45;
    --gray: #93a0b4; --gray-soft: #202938;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.55 'Segoe UI', Roboto, system-ui, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: var(--gray-soft); padding: 1px 5px; border-radius: 4px; }

nav {
  display: flex; gap: 18px; align-items: center; padding: 10px 24px;
  background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
}
nav .brand { font-weight: 700; margin-right: 8px; }
nav .spacer { flex: 1; }
nav a.accent { font-weight: 600; }

main { max-width: 1150px; margin: 0 auto; padding: 24px 20px 80px; }
h1 { font-size: 1.5rem; margin: 0 0 16px; }
h2 { font-size: 1.1rem; margin: 24px 0 10px; }

.page-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.hint { color: var(--muted); font-size: 0.85rem; font-weight: 400; }
.empty { color: var(--muted); padding: 40px 0; text-align: center; }
.flash { padding: 10px 16px; border-radius: 8px; margin: 0 0 16px; }
.flash.ok { background: var(--green-soft); color: var(--green); }
.flash.bad { background: var(--red-soft); color: var(--red); }
.error-text { color: var(--red); font-size: 0.85rem; white-space: pre-wrap; }

.badge {
  display: inline-block; padding: 1px 10px; border-radius: 100px;
  font-size: 0.78rem; font-weight: 600; white-space: nowrap; vertical-align: middle;
}
.badge.green { background: var(--green-soft); color: var(--green); }
.badge.red { background: var(--red-soft); color: var(--red); }
.badge.orange { background: var(--orange-soft); color: var(--orange); }
.badge.blue { background: var(--blue-soft); color: var(--blue); }
.badge.gray { background: var(--gray-soft); color: var(--gray); }
.tag.ad { font-size: 0.72rem; color: var(--orange); border: 1px solid var(--orange); border-radius: 4px; padding: 0 5px; margin-left: 6px; vertical-align: middle; }

table.list, table.kv { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
table.list th, table.kv th { text-align: left; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
table.list th, table.list td, table.kv th, table.kv td { padding: 9px 13px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.list tr:last-child td, table.kv tr:last-child td { border-bottom: none; }
td.dt { white-space: nowrap; font-variant-numeric: tabular-nums; }

.chips { display: flex; gap: 5px; flex-wrap: wrap; }
.chip {
  display: inline-block; min-width: 34px; text-align: center; padding: 1px 7px;
  border-radius: 6px; font-size: 0.76rem; font-weight: 700;
}
.chip.green { background: var(--green-soft); color: var(--green); }
.chip.red { background: var(--red-soft); color: var(--red); }
.chip.blue { background: var(--blue-soft); color: var(--blue); }
.chip.gray { background: var(--gray-soft); color: var(--gray); }

form label { display: block; margin: 12px 0; }
form label > .hint { display: block; margin-top: 2px; }
input[type=text], input[type=url], input[type=password], input:not([type]),
input[type=datetime-local], textarea, select {
  width: 100%; padding: 8px 10px; margin-top: 4px;
  border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--ink); font: inherit;
}
textarea { resize: vertical; }
fieldset { border: 1px solid var(--line); border-radius: 10px; margin: 16px 0; padding: 6px 14px 12px; }
legend { font-weight: 600; padding: 0 6px; }
label.check { display: inline-flex; align-items: center; gap: 6px; margin: 6px 14px 6px 0; }
label.check input { width: auto; margin: 0; }
.targets-row { display: flex; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 8px 18px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  font: inherit; font-weight: 600;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--red); border-color: var(--red); }
.btn.small { padding: 3px 10px; font-size: 0.85rem; }
.actions { display: flex; gap: 10px; margin: 18px 0; flex-wrap: wrap; }
.actions.column { flex-direction: column; align-items: flex-start; }
.inline-form { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; }
.inline-form label { margin: 0; }

.two-cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 420px); gap: 28px; align-items: start; }
@media (max-width: 900px) { .two-cols { grid-template-columns: 1fr; } }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; margin: 12px 0; }
details.card summary { cursor: pointer; font-size: 1rem; }
details.card[open] summary { margin-bottom: 8px; }

.thumbs { display: flex; gap: 10px; flex-wrap: wrap; margin: 10px 0; }
.thumb img { width: 110px; height: 82px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); display: block; }
.thumb span { font-size: 0.8rem; color: var(--muted); }

.preview { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; position: sticky; top: 70px; max-height: 85vh; overflow-y: auto; }
.preview h2 { margin-top: 0; }
.preview-card { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin: 10px 0; }
.preview-card h3 { margin: 0 0 6px; font-size: 0.9rem; display: flex; justify-content: space-between; }
.preview-card .len { color: var(--muted); font-weight: 400; font-variant-numeric: tabular-nums; }
.preview-card .text { white-space: pre-wrap; font-size: 0.88rem; overflow-wrap: anywhere; }
.preview-card .warn { color: var(--orange); font-size: 0.82rem; margin-top: 6px; }

.post-body { white-space: pre-wrap; font: inherit; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; overflow-wrap: anywhere; }

.login-body { display: grid; place-items: center; min-height: 100vh; background: var(--bg); }
.login-card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 30px 34px; width: min(360px, 90vw); }
.login-card h1 { text-align: center; }
.login-card .btn { width: 100%; margin-top: 14px; }