:root {
  --bg: #dcdad4;          /* приглушённый тёплый фон между блоками */
  --panel: #efeeea;       /* карточки-блоки */
  --panel2: #e5e3dd;      /* вложенные элементы */
  --panel3: #dbd9d2;
  --border: #d0cdc5;
  --text: #33373e;
  --muted: #6f7480;
  --blue: #2D7DE1;
  --blue-dark: #2368be;
  --blue-soft: #dfeafa;
  --ok: #1e8f60;
  --warn: #b57708;
  --err: #c24444;
  --canvas-bg: #e7e5e0;
  --radius: 10px;
  --shadow: 0 1px 5px rgba(40, 45, 55, .10);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body, #app { height: 100%; }
body {
  font: 13px/1.45 "Segoe UI Variable Text", "Segoe UI", system-ui, sans-serif;
  background: var(--bg); color: var(--text);
  overflow: hidden; user-select: none;
}
#app { display: flex; flex-direction: column; }

/* ═══ Верхняя панель — отдельный блок ═══ */
#topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 9px 16px; background: var(--panel);
  border-bottom: 1px solid var(--border); flex: 0 0 auto;
  box-shadow: var(--shadow); position: relative; z-index: 5;
}
.logo {
  font-size: 17px; font-weight: 800; letter-spacing: .2px;
  display: flex; align-items: center; gap: 8px; color: #383e48;
}
.logo img { width: 26px; height: 26px; }
.logo .wordmark { letter-spacing: .2px; }
.logo .wordmark span { color: var(--blue); }
#planName {
  background: var(--panel2); border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text); padding: 7px 12px; width: 270px; font-size: 13px;
}
#planName:focus { outline: none; border-color: var(--blue); background: var(--panel); }
.tb-group { display: flex; align-items: center; gap: 6px; }
.tb-group.right { margin-left: auto; }
.tb-label { color: var(--muted); font-size: 12px; }
.tb-label.chk { display: flex; align-items: center; gap: 5px; cursor: pointer; white-space: nowrap; }
.tb-label.chk input { accent-color: var(--blue); cursor: pointer; }

button, select {
  background: var(--panel2); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 7px 12px; font-size: 13px; cursor: pointer;
  transition: border-color .15s, background .15s;
}
button:hover { border-color: var(--blue); background: var(--blue-soft); }
button:active { transform: translateY(1px); }
button.danger:hover { border-color: var(--err); color: var(--err); background: #f3e3e3; }
select:focus { outline: none; border-color: var(--blue); }

.badge { padding: 5px 12px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.badge.ok { background: #dceee4; color: var(--ok); }
.badge.bad { background: #f2dfdf; color: var(--err); cursor: pointer; }

/* ═══ Компоновка: блоки с зазорами ═══ */
#main { display: flex; flex: 1 1 auto; min-height: 0; gap: 8px; padding: 8px; }

/* ═══ Каталог — блок ═══ */
#catalog {
  width: 306px; flex: 0 0 auto; display: flex; flex-direction: column;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: var(--shadow); overflow: hidden;
}
.cat-head { padding: 12px; background: var(--panel2); border-bottom: 1px solid var(--border); }
#search {
  width: 100%; background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); padding: 8px 12px; margin-bottom: 8px;
}
#search:focus { outline: none; border-color: var(--blue); }
.filters { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.filters select { width: 100%; padding: 6px 7px; font-size: 12px; background: var(--panel); }
.cat-count { color: var(--muted); font-size: 11px; margin-top: 8px; }
#skuList { flex: 1; overflow-y: auto; padding: 8px; }
.sku {
  display: flex; gap: 10px; align-items: center;
  padding: 7px 9px; border-radius: var(--radius); cursor: grab;
  border: 1px solid transparent; margin-bottom: 3px;
  transition: background .12s, border-color .12s;
}
.sku:hover { background: var(--blue-soft); border-color: #bcd2ef; }
.sku.on-plano { opacity: .55; }
.sku.on-plano::after {
  content: "✓"; color: var(--ok); font-weight: 700; margin-left: auto; font-size: 12px;
}
.sku .thumb {
  width: 28px; height: 44px; flex: 0 0 auto; border-radius: 4px;
  position: relative; border: 1px solid var(--border); background: #f6f5f2;
}
.sku .thumb img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: contain; background: #f6f5f2; border-radius: 3px; z-index: 1;
}
.sku .info { min-width: 0; }
.sku .name { font-size: 12px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sku .meta { font-size: 10.5px; color: var(--muted); margin-top: 1px; }

/* ═══ Канва — блок ═══ */
#canvasWrap {
  position: relative; flex: 1 1 auto; min-width: 0; background: var(--canvas-bg);
  border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); overflow: hidden;
}
#canvas { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; }
#zoomHint {
  position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%);
  color: var(--muted); font-size: 11px; pointer-events: none;
  background: #efeeead9; padding: 3px 12px; border-radius: 14px; box-shadow: var(--shadow);
}
#tooltip {
  position: absolute; z-index: 20; pointer-events: none;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 9px 12px; font-size: 12px; max-width: 290px; box-shadow: 0 6px 20px rgba(40,45,55,.18);
}
#tooltip .t-name { font-weight: 700; margin-bottom: 4px; color: var(--blue-dark); }
#tooltip .t-row { color: var(--muted); }
#tooltip .t-row b { color: var(--text); font-weight: 600; }
#legend {
  position: absolute; top: 12px; right: 12px; z-index: 10;
  background: #efeeeaee; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 13px; font-size: 11.5px; max-height: 60%; overflow-y: auto; box-shadow: var(--shadow);
}
.leg-row { display: flex; align-items: center; gap: 8px; margin: 3px 0; }
.leg-swatch { width: 12px; height: 12px; border-radius: 4px; }

/* ═══ Правая колонка — три отдельных блока ═══ */
#props {
  width: 296px; flex: 0 0 auto; display: flex; flex-direction: column; gap: 8px;
  background: transparent; border: none; overflow-y: auto;
}
#propsBody, #stats, #issues {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: var(--shadow); padding: 14px;
}
#propsBody { border-bottom: 1px solid var(--border); }
#issues:empty { display: none; }
.props-empty { color: var(--muted); font-size: 12px; padding: 4px 2px; line-height: 1.6; }
.p-title { font-weight: 700; font-size: 13.5px; margin-bottom: 10px; color: var(--blue-dark); }
.p-kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 12px; margin-bottom: 12px; }
.p-kv .k { color: var(--muted); }
.p-controls { display: flex; flex-direction: column; gap: 9px; }
.ctrl-row { display: flex; align-items: center; gap: 8px; }
.ctrl-row .lbl { flex: 1; color: var(--muted); font-size: 12px; }
.stepper {
  display: flex; align-items: center;
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
.stepper button { padding: 4px 12px; font-size: 14px; line-height: 1; border: none; border-radius: 0; }
.stepper .val {
  min-width: 38px; text-align: center; font-weight: 700; background: var(--panel2);
  align-self: stretch; display: flex; align-items: center; justify-content: center;
}
.ctrl-row input[type=number] {
  width: 80px; background: var(--panel2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); padding: 6px 8px;
}
.ctrl-row input[type=number]:focus { outline: none; border-color: var(--blue); background: var(--panel); }

.s-title {
  font-weight: 700; margin-bottom: 8px; font-size: 11px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .8px;
}
.s-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-bottom: 12px; }
.s-tile { background: var(--panel2); border-radius: var(--radius); padding: 8px 10px; }
.s-tile .v { font-size: 17px; font-weight: 800; color: var(--blue-dark); }
.s-tile .l { font-size: 10.5px; color: var(--muted); margin-top: 1px; }
.share-row { display: flex; align-items: center; gap: 8px; margin: 4px 0; font-size: 11.5px; }
.share-row .bar { flex: 1; height: 8px; background: var(--panel3); border-radius: 4px; overflow: hidden; }
.share-row .bar i { display: block; height: 100%; border-radius: 4px; }
.share-row .pct { width: 42px; text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }
.share-row .nm { width: 92px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.issue {
  display: flex; gap: 8px; padding: 8px 10px; border-radius: var(--radius);
  font-size: 12px; margin-bottom: 6px; cursor: pointer; line-height: 1.4;
  background: #f0dede; border: 1px solid #e0c4c4; color: #7c3535;
}
.issue.warn { background: #f0e8d5; border-color: #dfd2b4; color: #77571c; }
.issue:hover { filter: brightness(.96); }

/* ═══ Призрак перетаскивания ═══ */
#dragGhost {
  position: fixed; z-index: 100; pointer-events: none;
  background: var(--blue); color: #fff;
  padding: 6px 12px; border-radius: 8px;
  font-size: 12px; font-weight: 600; box-shadow: 0 6px 18px rgba(45,125,225,.4); opacity: .95;
  max-width: 230px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
/* ═══ Вход ═══ */
#loginOverlay {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
#loginOverlay[hidden] { display: none; }
#loginForm {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: 0 10px 40px rgba(40,45,55,.18);
  padding: 34px 38px; width: 320px;
  display: flex; flex-direction: column; gap: 10px; align-items: center;
}
.login-logo { width: 52px; height: 52px; margin-bottom: 4px; }
.login-title { font-size: 22px; font-weight: 800; color: #383e48; }
.login-title span { color: var(--blue); }
.login-sub { color: var(--muted); font-size: 12.5px; margin-bottom: 12px; }
#loginForm input {
  width: 100%; background: var(--panel2); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); padding: 10px 13px; font-size: 14px;
}
#loginForm input:focus { outline: none; border-color: var(--blue); background: var(--panel); }
.login-btn {
  width: 100%; margin-top: 6px; padding: 10px;
  background: var(--blue); color: #fff; border: none; font-weight: 700; font-size: 14px;
}
.login-btn:hover { background: var(--blue-dark); }
.login-err { color: var(--err); font-size: 12.5px; }

::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-thumb { background: #c3c0b8; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: #b1aea6; }
::-webkit-scrollbar-track { background: transparent; }