:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --soft: #f9fafb;
  --text: #0f172a;
  --text-2: #475569;
  --muted: #94a3b8;
  --accent: #21a049;
  --accent-hover: #1a8a3d;
  --border: #e2e8f0;
  --danger: #b91c1c;
  --warning: #92400e;
  --success: #15803d;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 16px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  font-family: "Inter", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.topbar {
  padding: 16px 32px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand { display: flex; gap: 10px; align-items: center; font-weight: 700; font-size: 18px; }
.brand-mark {
  display: inline-flex; width: 32px; height: 32px; align-items: center; justify-content: center;
  background: var(--accent); color: #fff; border-radius: 8px;
}
.brand-sub { color: var(--text-2); font-size: 13px; }

.layout {
  display: grid;
  grid-template-columns: minmax(440px, 1fr) minmax(560px, 1.25fr);
  gap: 24px;
  padding: 24px 32px;
  align-items: start;
}
@media (max-width: 1100px) { .layout { grid-template-columns: 1fr; padding: 16px; } }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}
.panel-title { margin: 0; font-size: 18px; }

.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.field-label { font-size: 12px; font-weight: 600; color: var(--text-2); text-transform: uppercase; letter-spacing: .04em; }
.field-hint { font-size: 12px; color: var(--muted); line-height: 17px; }

input[type="text"], textarea, select {
  font: inherit;
  font-size: 13px;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--soft);
  color: var(--text);
}
textarea { resize: vertical; line-height: 19px; }
#request { font-size: 14px; line-height: 21px; padding: 12px 14px; }
input:focus, textarea:focus, select:focus { outline: 2px solid color-mix(in srgb, var(--accent) 35%, transparent); border-color: var(--accent); }

.seg { display: inline-flex; background: var(--soft); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; align-self: flex-start; }
.seg button { border: none; background: transparent; padding: 7px 14px; font: inherit; font-size: 13px; color: var(--text-2); cursor: pointer; }
.seg button.active { background: var(--accent); color: #fff; }

.ghost-btn {
  border: 1px solid var(--border); background: #fff; color: var(--text-2); font: inherit; font-size: 12px;
  padding: 6px 10px; border-radius: 8px; cursor: pointer; white-space: nowrap;
}
.ghost-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.ghost-btn:disabled { opacity: .5; cursor: default; }
.ghost-btn.small { padding: 4px 8px; font-size: 11px; align-self: flex-start; }
.structure-tools { display: inline-flex; gap: 6px; }

.primary-btn {
  background: var(--accent); color: #fff; border: none; border-radius: 10px; padding: 13px 18px;
  font: inherit; font-size: 15px; font-weight: 600; cursor: pointer;
}
.primary-btn:hover:not(:disabled) { background: var(--accent-hover); }
.primary-btn:disabled { opacity: .6; cursor: progress; }

.status { font-size: 13px; padding: 10px 12px; border-radius: 8px; background: var(--soft); border: 1px solid var(--border); color: var(--text-2); }
.status.error { color: var(--danger); background: #fef2f2; border-color: #fecaca; }
.status.success { color: var(--success); background: #f0fdf4; border-color: #bbf7d0; }
.hidden { display: none !important; }

/* палитра */
.palette { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 8px; }
.palette-card {
  display: flex; flex-direction: column; gap: 6px; padding: 6px; border: 1px solid var(--border); border-radius: 10px;
  background: #fff; cursor: pointer; font: inherit; text-align: left; transition: border-color .15s, box-shadow .15s;
}
.palette-card:hover { border-color: var(--accent); box-shadow: 0 2px 10px rgba(33, 160, 73, .15); }
.palette-thumb {
  height: 64px; border-radius: 6px; background: var(--soft); display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.palette-thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.palette-title { font-size: 12px; font-weight: 600; line-height: 15px; }

/* структура */
.brief-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
.facts-box { display: flex; flex-direction: column; gap: 10px; border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; }
.facts-box.stale { opacity: .55; }
.facts-list { display: flex; flex-direction: column; gap: 6px; }
.fact-row { display: flex; align-items: center; gap: 6px; }
.fact-row input { flex: 1; border-left: 3px solid color-mix(in srgb, var(--accent) 55%, transparent); }#example { width: auto; max-width: 200px; padding: 4px 8px; font-size: 12px; }
.plan-why { font-size: 12px; color: var(--text-2); background: var(--soft); border-radius: 8px; padding: 8px 10px; }
.structure { display: flex; flex-direction: column; gap: 6px; padding: 8px; border: 1px solid var(--border); border-radius: 10px; background: var(--soft); min-height: 48px; }
.placeholder { font-size: 12px; color: var(--muted); text-align: center; padding: 10px; }
.block { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; display: flex; flex-direction: column; gap: 6px; }
.block.open { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }
.block-head { display: flex; align-items: center; gap: 8px; }
.toggle { border: none; background: none; cursor: pointer; color: var(--text-2); font-size: 13px; width: 18px; padding: 0; }
.block-num { font-size: 12px; font-weight: 700; color: var(--muted); }
.block-title { font-size: 13px; font-weight: 600; flex: 1; }
.badge { font-size: 10px; padding: 2px 6px; border-radius: 10px; background: #f1f5f9; color: var(--text-2); }
.badge.gigachat { background: #dcfce7; color: var(--success); }
.badge.edited { background: #e0f2fe; color: #0369a1; }
.issues-badge { font-size: 11px; color: var(--warning); font-weight: 600; }
.block-issues { font-size: 11px; color: var(--warning); background: #fffbeb; border-radius: 6px; padding: 5px 8px; line-height: 16px; }
.row-tools { display: inline-flex; gap: 2px; }
.icon-btn { border: 1px solid transparent; background: transparent; color: var(--muted); font-size: 13px; width: 24px; height: 24px; border-radius: 6px; cursor: pointer; }
.icon-btn:hover:not(:disabled) { border-color: var(--border); color: var(--accent); }
.icon-btn:disabled { opacity: .3; cursor: default; }
.hint { font-size: 12px; padding: 5px 8px; min-height: 0; }

.block-fields { display: flex; flex-direction: column; gap: 10px; padding: 8px 0 2px 26px; border-top: 1px dashed var(--border); margin-top: 2px; }
.block-fields .field { position: relative; }
.block-fields .field-label { text-transform: none; letter-spacing: 0; font-size: 12px; }
.field-bool { flex-direction: row; align-items: center; gap: 8px; }
.counter { font-size: 10px; color: var(--muted); align-self: flex-end; margin-top: -3px; }
.counter.over { color: var(--danger); font-weight: 700; }
.group { display: flex; flex-direction: column; gap: 8px; }
.group-item { border: 1px solid var(--border); border-radius: 8px; padding: 8px; display: flex; flex-direction: column; gap: 8px; background: var(--soft); }
.group-head { display: flex; justify-content: space-between; align-items: center; font-size: 11px; font-weight: 600; color: var(--text-2); }

.object-row { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.object-row input { flex: 1; min-width: 140px; }
.object-current { width: 44px; height: 44px; object-fit: contain; background: #fff; border: 1px solid var(--border); border-radius: 6px; }
.object-results { display: grid; grid-template-columns: repeat(auto-fill, minmax(56px, 1fr)); gap: 6px; margin-top: 6px; font-size: 12px; color: var(--muted); }
.object-results img { width: 100%; aspect-ratio: 1; object-fit: contain; background: #fff; border: 1px solid var(--border); border-radius: 6px; cursor: pointer; }
.object-results img:hover { border-color: var(--accent); }

.shell-card { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; }
.shell-card summary { cursor: pointer; font-size: 13px; font-weight: 600; color: var(--text-2); }
.shell-card[open] { display: flex; flex-direction: column; gap: 10px; }
.shell-card .palette { margin-top: 4px; }

/* превью */
.preview-panel { position: sticky; top: 16px; }
.preview-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.preview-tools { display: inline-flex; gap: 12px; align-items: center; }
.render-state { font-size: 12px; color: var(--muted); }
.caption { font-size: 12px; color: var(--warning); background: #fffbeb; border-radius: 8px; padding: 8px 10px; }
.preview-stage { background: #e2e8f0; border-radius: var(--radius); display: flex; justify-content: center; align-items: flex-start; max-height: 78vh; overflow: auto; padding: 16px 0; }
.frame-wrap { width: var(--w, 100%); max-width: 100%; background: #fff; box-shadow: 0 10px 32px rgba(15, 23, 42, .18); transition: width .25s ease; position: relative; min-height: 300px; }
#frame { width: 100%; height: 600px; border: 0; display: block; }
.empty { padding: 120px 24px; text-align: center; color: var(--muted); font-size: 13px; }
.downloads { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.download-btn { font-size: 12px; padding: 7px 12px; border-radius: 8px; border: 1px solid var(--accent); color: var(--accent); text-decoration: none; }
.download-btn:hover { background: var(--accent); color: #fff; }
.warnings { white-space: pre-wrap; font-size: 12px; color: var(--warning); background: #fffbeb; border: 1px solid #fde68a; border-radius: 8px; padding: 8px 10px; }
.mjml-card summary { cursor: pointer; font-size: 13px; font-weight: 600; color: var(--text-2); }
.mjml-card pre { background: #0f172a; color: #e2e8f0; padding: 12px; border-radius: 8px; font-size: 11px; line-height: 16px; max-height: 420px; overflow: auto; white-space: pre-wrap; word-break: break-all; }