:root {
  --blue: #2563eb;
  --gray-bg: #f4f5f7;
  --card-bg: #ffffff;
  --border: #e2e4e9;
  --text: #1f2430;
  --text-light: #6b7280;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--gray-bg);
  color: var(--text);
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 16px; }
.wrap-narrow { max-width: 380px; margin-top: 60px; }

.topnav { background: #111827; }
.topnav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.nav-brand { color: #fff; font-weight: 700; text-decoration: none; font-size: 15px; }
.nav-links { display: flex; gap: 14px; flex: 1; flex-wrap: wrap; }
.nav-links a { color: #cbd5e1; text-decoration: none; font-size: 14px; }
.nav-links a:hover { color: #fff; }
.nav-user { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.nav-role { color: #9ca3af; font-size: 12px; background: #1f2937; padding: 3px 10px; border-radius: 999px; }
.nav-logout { color: #fca5a5; text-decoration: none; font-size: 13px; }
.nav-logout:hover { color: #f87171; }

.login-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px;
  text-align: center;
}
.login-box h1 { margin: 0 0 6px; font-size: 22px; }
.login-hint { color: var(--text-light); font-size: 14px; margin-bottom: 16px; }
.login-box form { display: flex; flex-direction: column; gap: 12px; }
.login-box label { text-align: left; }

.top h1 { font-size: 22px; margin: 8px 0 12px; }

.stats { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.stat {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 16px;
  display: flex;
  flex-direction: column;
  min-width: 120px;
}
.stat-num { font-size: 20px; font-weight: 700; }
.stat-label { font-size: 12px; color: var(--text-light); }
.stat-warn { border-color: #fbbf24; background: #fffbeb; }
.stat-warn .stat-num { color: #b45309; }

.flash { padding: 10px 14px; border-radius: 10px; margin-bottom: 12px; font-size: 14px; }
.flash-ok { background: #e8f8ee; color: #157347; border: 1px solid #bfe8cf; }
.flash-error { background: #fdecec; color: #b42318; border: 1px solid #f3c1bd; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 18px;
}
.card h2 { margin-top: 0; font-size: 17px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  align-items: end;
}
label { display: flex; flex-direction: column; font-size: 13px; color: var(--text-light); gap: 4px; }
.hint { font-weight: normal; font-size: 11px; }
input, select {
  font-size: 16px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}
input:focus, select:focus { outline: 2px solid var(--blue); border-color: var(--blue); }

.btn-add {
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  height: fit-content;
}
.btn-add:hover { background: #1d4ed8; }

.toolbar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; align-items: center; }
#search { flex: 1; min-width: 220px; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; }
.filter {
  border: 1px solid var(--border);
  background: #fff;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-light);
}
.filter.active { background: var(--blue); border-color: var(--blue); color: #fff; }
.filter-warn { border-color: #fbbf24; color: #b45309; }
.filter-warn.active { background: #f59e0b; border-color: #f59e0b; color: #fff; }

.applic-cell { color: var(--text-light); font-size: 13px; max-width: 240px; }

.photo-cell { width: 56px; }
.thumb {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: block;
}
.thumb-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-bg);
  font-size: 18px;
  color: var(--text-light);
}
.thumb-large {
  max-width: 220px;
  max-height: 220px;
  border-radius: 10px;
  border: 1px solid var(--border);
  object-fit: cover;
  display: block;
}
.current-photo { margin-top: 16px; display: flex; align-items: flex-start; gap: 12px; flex-wrap: wrap; }

.cat-list { display: flex; flex-direction: column; gap: 8px; }
.cat-row {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--text-light); font-weight: 600; font-size: 12px; text-transform: uppercase; }
tbody tr:hover { background: #fafbfc; }
.row-warn { background: #fffbeb; }
.row-warn:hover { background: #fef3c7; }
.qty { font-weight: 700; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}
.cat-hodovaya { background: #2563eb; }
.cat-dvigatel { background: #dc2626; }
.cat-elektrika { background: #d97706; }
.cat-plastik { background: #0d9488; }
.cat-rezina { background: #374151; }
.cat-prochee { background: #7c3aed; }
.cat-c1 { background: #0891b2; }
.cat-c2 { background: #be123c; }
.cat-c3 { background: #4d7c0f; }
.cat-c4 { background: #b45309; }
.cat-c5 { background: #6d28d9; }
.cat-c6 { background: #0f766e; }

.actions { white-space: nowrap; display: flex; gap: 6px; }
.btn-edit, .btn-del {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 15px;
  text-decoration: none;
  color: var(--text);
}
.btn-del:hover { background: #fdecec; border-color: #f3c1bd; }
.btn-edit:hover { background: #eef2ff; border-color: #c7d2fe; }
.btn-sell:hover { background: #ecfdf5; border-color: #a7f3d0; }

.empty-row td { text-align: center; color: var(--text-light); padding: 30px; }

.back-link { display: inline-block; margin-top: 12px; color: var(--blue); text-decoration: none; font-size: 14px; }

@media (max-width: 720px) {
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  tbody tr {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 10px;
    padding: 8px 12px;
  }
  td { border: none; padding: 6px 0; display: flex; justify-content: space-between; gap: 10px; }
  td::before { content: attr(data-label); color: var(--text-light); font-weight: 600; font-size: 12px; }
  .actions { justify-content: flex-end; }
}