:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --text: #1c2230;
  --muted: #667085;
  --line: #dde1e8;
  --accent: #1f4fd1;
  --accent-text: #ffffff;
  --danger: #c0352b;
  --ok-bg: #e7f5ec;
  --err-bg: #fdecea;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171d;
    --surface: #1d2129;
    --text: #e6e8ee;
    --muted: #98a1b3;
    --line: #2f3542;
    --accent: #6b8cff;
    --accent-text: #0b0f1a;
    --danger: #ff7a70;
    --ok-bg: #173324;
    --err-bg: #3a1c1a;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
main { max-width: 1100px; margin: 0 auto; padding: 24px 16px 48px; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; }
.top nav { display: flex; align-items: center; gap: 16px; }
.top nav > a:not(.btn) { color: var(--text); text-decoration: none; }
.top form { margin: 0; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit; text-decoration: none; cursor: pointer; }
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.wide { width: 100%; margin-top: 8px; }
.link { border: 0; background: none; padding: 0; color: var(--accent); font: inherit; cursor: pointer; }
.link.danger { color: var(--danger); font-size: .9rem; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card.narrow { max-width: 420px; margin: 40px auto; }
.card.empty { text-align: center; padding: 40px 24px; }
.muted { color: var(--muted); font-size: .92rem; }

.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-size: .9rem; color: var(--muted); margin-bottom: 4px; }
.field input:not([type=range]), .field select { width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit; }
.field input[type=range] { width: 100%; }
.error { display: block; color: var(--danger); font-style: normal; font-size: .9rem; margin-top: 4px; }
.errors { background: var(--err-bg); border-radius: 8px; padding: 8px 12px; margin-bottom: 14px; }
.errors p { margin: 0; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.messages { max-width: 1100px; margin: 16px auto 0; padding: 0 16px; }
.msg { margin: 0 0 8px; padding: 10px 14px; border-radius: 8px; background: var(--ok-bg); }
.msg-error { background: var(--err-bg); }

.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.company { margin-top: 24px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; }
.tile { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.tile img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: contain; background: #fff; padding: 10px; }
.tile figcaption { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 10px 12px; border-top: 1px solid var(--line); }
.tile figcaption b { flex: 1 1 100%; font-weight: 600; }
.tile form { margin: 0 0 0 auto; }
.badge { font-size: .78rem; padding: 2px 8px; border-radius: 99px; background: var(--bg); color: var(--muted); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.adjust canvas { display: block; max-width: 100%; max-height: 360px; margin-bottom: 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }

/* редактор */
.editor-page main { max-width: none; padding: 0; }
.editor { display: grid; grid-template-columns: 260px 1fr; min-height: calc(100vh - 57px); }
.library { background: var(--surface); border-right: 1px solid var(--line); padding: 16px; overflow-y: auto; max-height: calc(100vh - 57px); position: sticky; top: 0; }
.library h3 { font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 16px 0 8px; }
.lib-item { display: grid; grid-template-columns: 56px 1fr; grid-template-rows: auto auto; column-gap: 10px; align-items: center; width: 100%; padding: 6px; margin-bottom: 6px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit; text-align: left; cursor: pointer; }
.lib-item:hover { border-color: var(--accent); }
.lib-item img { grid-row: span 2; width: 56px; height: 44px; object-fit: contain; background: #fff; border-radius: 4px; }
.lib-item small { color: var(--muted); }
.hint { margin-top: 16px; }
.workspace { padding: 16px; min-width: 0; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 16px; }
.toolbar #save { margin-left: auto; }
.pages { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.page { position: relative; background: #fff; box-shadow: 0 1px 4px rgba(0, 0, 0, .25); }
.page canvas { display: block; width: 100%; height: 100%; }
.stamp { position: absolute; cursor: move; touch-action: none; mix-blend-mode: multiply; }
.stamp img { display: block; width: 100%; height: 100%; pointer-events: none; user-select: none; }
.stamp i, .stamp b { display: none; position: absolute; width: 16px; height: 16px; border-radius: 50%; background: var(--accent); border: 2px solid #fff; }
.stamp.selected { outline: 1px dashed var(--accent); }
.stamp.selected i, .stamp.selected b { display: block; }
.h-rotate { left: calc(50% - 8px); top: -28px; cursor: grab; }
.h-resize { right: -9px; bottom: -9px; cursor: nwse-resize; }
.h-del { left: -9px; top: -9px; width: 20px !important; height: 20px !important; background: var(--danger) !important; color: #fff; font: 700 14px/16px system-ui; text-align: center; cursor: pointer; }

@media (max-width: 760px) {
  .two-col { grid-template-columns: 1fr; }
  .editor { grid-template-columns: 1fr; }
  .library { position: static; max-height: none; border-right: 0; border-bottom: 1px solid var(--line); }
  #library { display: flex; gap: 8px; overflow-x: auto; }
  .library h3 { display: none; }
  .lib-item { flex: 0 0 180px; }
  .toolbar #save { margin-left: 0; }
}