:root {
  --bg: #f4f5f7; --panel: #fff; --text: #1d2129; --muted: #6b7280; --line: #e3e5e8;
  --accent: #2b7de9; --accent-soft: #e6f0fd; --danger: #d64545; --ok: #1f9d55; --warn: #c27c0e;
  --tg-bg: #dfe8ef; --tg-msg: #fff; --tg-btn: #6a8fae22;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171b; --panel: #1e2126; --text: #e6e8eb; --muted: #9aa1ab; --line: #2d3138;
    --accent: #4b93f0; --accent-soft: #1e3350; --danger: #ef6b6b; --ok: #3ccf7e; --warn: #e3a541;
    --tg-bg: #0e1621; --tg-msg: #182533; --tg-btn: #2b5278aa;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

.topbar { display: flex; gap: 12px; align-items: baseline; padding: 14px 24px; background: var(--panel); border-bottom: 1px solid var(--line); }
.logo { font-weight: 700; font-size: 17px; color: var(--text); }
main { max-width: 1280px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 18px 0 8px; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.stack > * + * { margin-top: 10px; }

button, .btn {
  font: inherit; border: 1px solid var(--line); background: var(--panel); color: var(--text);
  padding: 7px 12px; border-radius: 7px; cursor: pointer; white-space: nowrap;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--danger); }
button.danger:hover { border-color: var(--danger); }
button.icon { padding: 4px 8px; }
button:disabled { opacity: .5; cursor: default; }

input, select, textarea {
  font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line);
  border-radius: 7px; padding: 7px 9px; width: 100%;
}
textarea { min-height: 140px; resize: vertical; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
label.check { display: flex; gap: 6px; align-items: center; color: var(--text); font-size: 13px; margin: 0; }
label.check input { width: auto; }
.field { flex: 1; min-width: 140px; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 12px; background: var(--accent-soft); color: var(--accent); }
.badge.ok { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.badge.err { background: color-mix(in srgb, var(--danger) 15%, transparent); color: var(--danger); }
.badge.off { background: var(--bg); color: var(--muted); }
.badge.new { background: var(--danger); color: #fff; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin: 16px 0 18px; overflow-x: auto; }
.tabs a { padding: 9px 14px; color: var(--muted); border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs a.active { color: var(--text); border-color: var(--accent); font-weight: 600; }

/* редактор */
.editor { display: grid; grid-template-columns: 240px minmax(0, 1fr) 320px; gap: 14px; align-items: start; }
@media (max-width: 1100px) { .editor { grid-template-columns: 220px minmax(0, 1fr); } .preview-col { grid-column: 1 / -1; } }
@media (max-width: 720px) { .editor { grid-template-columns: 1fr; } }
.screen-list { padding: 8px; }
.screen-list .item { display: block; width: 100%; text-align: left; border: 0; border-radius: 7px; padding: 8px 10px; background: none; }
.screen-list .item:hover { background: var(--bg); }
.screen-list .item.active { background: var(--accent-soft); }
.screen-list .item .id { font-size: 11px; color: var(--muted); font-family: ui-monospace, monospace; }
.btn-row { display: grid; grid-template-columns: 1fr 130px 1fr auto; gap: 6px; align-items: center; padding: 8px; border: 1px dashed var(--line); border-radius: 8px; }
.btn-row + .btn-row { margin-top: 6px; }
.btn-row .opts { grid-column: 1 / -1; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
@media (max-width: 720px) { .btn-row { grid-template-columns: 1fr 1fr; } }
.input-box { border: 1px solid var(--line); border-radius: 8px; padding: 12px; }
.errors { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); border-radius: 8px; padding: 10px 12px; white-space: pre-line; }
.savebar { position: sticky; top: 0; z-index: 5; background: var(--bg); padding: 8px 0; }

/* превью в стиле telegram */
.tg { background: var(--tg-bg); border-radius: 10px; padding: 14px; min-height: 200px; }
.tg .msg { background: var(--tg-msg); border-radius: 12px 12px 12px 4px; padding: 8px 11px; white-space: pre-wrap; word-wrap: break-word; box-shadow: 0 1px 1px #0001; }
.tg .kb { margin-top: 4px; display: grid; gap: 4px; }
.tg .kb .r { display: flex; gap: 4px; }
.tg .kb button { flex: 1; background: var(--tg-btn); border: 0; border-radius: 8px; padding: 8px; font-size: 13px; color: var(--text); white-space: normal; }
.tg .note { font-size: 12px; color: var(--muted); margin-top: 8px; text-align: center; }

/* таблицы */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.unseen td { background: color-mix(in srgb, var(--accent) 6%, transparent); }
.link-cell { max-width: 420px; word-break: break-all; }
.bar { height: 8px; border-radius: 4px; background: var(--accent); min-width: 2px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi .v { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; }

/* модалка и тост */
.modal { position: fixed; inset: 0; background: #0007; display: flex; align-items: center; justify-content: center; padding: 16px; z-index: 50; }
.modal[hidden] { display: none; }
.modal .card { width: min(560px, 100%); max-height: 90vh; overflow: auto; }
.history { max-height: 240px; overflow: auto; border: 1px solid var(--line); border-radius: 8px; padding: 8px; font-size: 13px; }
.history .h { padding: 4px 0; border-bottom: 1px dashed var(--line); word-break: break-all; }
.history .h:last-child { border: 0; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 8px; z-index: 60; max-width: 90vw; white-space: pre-line; }
.toast[hidden] { display: none; }
.empty { text-align: center; padding: 40px 16px; color: var(--muted); }

/* вход */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login-card { width: min(380px, 100%); padding: 28px; }
.login-card h1 { margin: 0; text-align: center; }
.login-card > .muted { text-align: center; }
.login-logo { font-size: 40px; text-align: center; }
.errors[hidden] { display: none; }

/* шапка */
.topbar .spacer { flex: 1; }
.topbar nav { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.topbar nav a, .topbar nav button { font-size: 13px; }
.topbar { flex-wrap: wrap; align-items: center; }

/* медиа */
.media-edit { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.media-thumb { width: 180px; max-width: 100%; max-height: 140px; object-fit: cover; border-radius: 8px; background: var(--bg); }
.tg .msg { padding: 0; overflow: hidden; }
.tg .msg-text { padding: 8px 11px; }
.msg-media { display: block; width: 100%; max-height: 320px; object-fit: cover; }