:root {
  --bg: #eceef1;
  --panel: #ffffff;
  --line: #cfd4dc;
  --line-strong: #b4bbc6;
  --text: #1f2933;
  --muted: #5c6770;
  --sidebar: #1e2630;
  --sidebar-text: #c5ced6;
  --sidebar-active: #ffffff;
  --sidebar-line: #2c3642;
  --accent: #2f4d6a;
  --accent-text: #ffffff;
  --danger: #8a2b2b;
  --warn: #8a5a12;
  --ok: #2f5d3a;
  --info: #2c4f6b;
  --row: #f5f6f8;
  --focus: #2f4d6a;
  --font: "Segoe UI", Tahoma, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.4;
  color: var(--text);
  background: var(--bg);
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3 { margin: 0; font-weight: 600; }
h1 { font-size: 18px; }
h2 { font-size: 14px; }

.login-body {
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #dfe3e8;
}

.login-box {
  width: 360px;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 28px 28px 22px;
}

.login-brand {
  text-align: center;
  margin: 0 0 16px;
}
.login-brand img {
  display: block;
  margin: 0 auto;
  height: 56px;
  width: auto;
}

.login-box h1 { margin-bottom: 4px; text-align: center; }
.login-sub { color: var(--muted); margin-bottom: 18px; text-align: center; }

.login-official {
  margin: 18px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}
.login-official span { display: block; margin-bottom: 2px; }
.login-official a { color: var(--accent); }

label { display: block; margin: 0 0 4px; color: var(--muted); }
.field { margin-bottom: 12px; }

input[type="text"],
input[type="password"],
input[type="email"],
input[type="date"],
input[type="number"],
input[type="search"],
select,
textarea {
  width: 100%;
  height: 32px;
  border: 1px solid var(--line-strong);
  background: #fff;
  padding: 0 8px;
  border-radius: 2px;
}

textarea { height: 72px; padding: 6px 8px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 1px solid var(--focus); border-color: var(--focus); }

.row-check { display: flex; align-items: center; gap: 8px; margin: 10px 0 14px; color: var(--muted); }
.row-check input { width: auto; height: auto; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  padding: 0 12px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-text);
  border-radius: 2px;
}
.btn:hover { filter: none; background: #274057; }
.btn-sec {
  background: #fff;
  color: var(--text);
  border-color: var(--line-strong);
}
.btn-sec:hover { background: var(--row); }
.btn-danger { background: #fff; color: var(--danger); border-color: #c7a0a0; }
.btn[disabled] { opacity: 0.55; cursor: default; }
.btn-block { width: 100%; }

.msg { margin: 0 0 12px; padding: 8px 10px; border: 1px solid var(--line); background: var(--row); }
.msg-error { border-color: #d7b2b2; background: #f8eeee; color: var(--danger); }
.msg-ok { border-color: #b9cbbd; background: #eef5f0; color: var(--ok); }
.msg-warn { border-color: #e0cc9a; background: #f8f1de; color: var(--warn); }

.login-links { margin-top: 14px; display: flex; justify-content: space-between; color: var(--muted); }
.login-links button { background: none; border: 0; padding: 0; color: var(--accent); }
.lang-inline { display: flex; gap: 8px; margin-top: 16px; color: var(--muted); }
.lang-inline button { background: none; border: 0; padding: 0; color: var(--muted); }
.lang-inline button.active { color: var(--text); font-weight: 600; }

.app { display: flex; min-height: 100%; }
.sidebar {
  width: 220px;
  background: var(--sidebar);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.brand {
  padding: 16px 16px 14px;
  border-bottom: 1px solid var(--sidebar-line);
}
.brand strong { display: block; color: #fff; font-size: 14px; }
.brand span { font-size: 11px; color: #93a0ad; }
.nav { padding: 10px 0; flex: 1; }
.sidebar-foot {
  padding: 12px 16px 16px;
  border-top: 1px solid var(--sidebar-line);
  font-size: 11px;
  color: #93a0ad;
  line-height: 1.45;
}
.sidebar-foot span { display: block; }
.sidebar-foot a { color: #8aa4b8; }
.nav a, .nav button.nav-link {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  color: var(--sidebar-text);
  padding: 8px 16px;
  border-left: 3px solid transparent;
}
.nav a.active, .nav button.nav-link.active {
  color: var(--sidebar-active);
  background: #2a3440;
  border-left-color: #8aa4b8;
}
.nav a:hover, .nav button.nav-link:hover { color: #fff; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: 48px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
}
.topbar .search { flex: 1; max-width: 420px; }
.top-user { margin-left: auto; display: flex; align-items: center; gap: 12px; color: var(--muted); }
.top-user select { width: auto; height: 28px; }
.header-logo {
  height: 28px;
  width: auto;
  display: block;
}

.content { padding: 16px; }

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.page-head .actions { display: flex; gap: 8px; flex-wrap: wrap; }

.kpis { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; margin-bottom: 16px; }
.kpi {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 10px 12px;
}
button.kpi {
  width: 100%;
  text-align: left;
  font: inherit;
  color: inherit;
}
button.kpi:hover { background: #f3f6f8; border-color: var(--accent); }
button.kpi.is-on { background: #eef2f5; border-color: var(--accent); }
.kpi .label { color: var(--muted); font-size: 12px; }
.kpi .value { font-size: 22px; font-weight: 600; margin-top: 4px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
}
.card h2 { padding: 10px 12px; border-bottom: 1px solid var(--line); background: #f7f8fa; }
.card .body { padding: 0; }

.toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
  align-items: end;
}
.toolbar .field { margin: 0; min-width: 160px; }
.toolbar .grow { flex: 1; min-width: 220px; }

table.data { width: 100%; border-collapse: collapse; }
table.data th, table.data td {
  border-bottom: 1px solid var(--line);
  padding: 7px 10px;
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}
table.data th {
  background: #f3f5f7;
  font-weight: 600;
  color: #3d4751;
}
table.data tbody tr:nth-child(even) { background: var(--row); }
table.data tbody tr:hover { background: #e8edf2; }
table.data tbody tr.click { cursor: pointer; }

.badge {
  display: inline-block;
  min-width: 88px;
  text-align: center;
  border: 1px solid var(--line);
  padding: 1px 6px;
  background: #f3f4f6;
}
.badge-active { background: #e8f2ea; border-color: #b7cbbb; color: var(--ok); }
.badge-lost { background: #f6eaea; border-color: #d3b4b4; color: var(--danger); }
.badge-defective { background: #f7efe3; border-color: #d6c3a2; color: var(--warn); }
.badge-returned { background: #e8eef3; border-color: #b7c4d0; color: var(--info); }
.badge-repair { background: #f3eee4; border-color: #d2c4a6; color: var(--warn); }
.badge-inactive { background: #f1f1f1; color: var(--muted); }

.pager { display: flex; align-items: center; justify-content: space-between; padding: 8px 10px; color: var(--muted); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 14px; }
.form-grid .wide { grid-column: 1 / -1; }
.readonly { background: #f3f4f6; }

.detail { display: grid; grid-template-columns: 1fr 280px; gap: 12px; }
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 0; }
.kv div { padding: 8px 12px; border-bottom: 1px solid var(--line); }
.kv .k { color: var(--muted); background: #f7f8fa; }

.history li { list-style: none; padding: 8px 12px; border-bottom: 1px solid var(--line); }
.history { margin: 0; padding: 0; }

.perm-table td, .perm-table th { text-align: center; }
.perm-table th:first-child, .perm-table td:first-child { text-align: left; }

.hint { color: var(--muted); font-size: 12px; margin: 0 0 8px; }
.qr-box { padding: 14px; text-align: center; }
.qr-box canvas, .qr-box img { display: block; margin: 0 auto 8px; }

.action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--line);
}
.row-actions { display: flex; flex-wrap: wrap; gap: 4px; }
.row-actions .btn { height: 26px; padding: 0 8px; }

.scan-body {
  min-height: 100%;
  background: #dfe3e8;
}
.scan-page {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px;
}
.scan-page h1 { text-align: center; }
.scan-page .card { margin-bottom: 12px; }
.scan-action-pad { padding: 12px; }
.scan-action-pad form { margin-bottom: 10px; }
.scan-page .btn-block { height: 40px; }
.scan-page input[type="text"],
.scan-page select { height: 40px; }
.scan-page .lang-inline { margin-top: 16px; }
.scan-page .lang-inline a { color: var(--muted); }
.scan-page .lang-inline a.active { color: var(--text); font-weight: 600; }
.face-thumb {
  width: 36px;
  height: 36px;
  object-fit: cover;
  border: 1px solid var(--line);
  vertical-align: middle;
  margin-right: 6px;
}
.person-row { display: flex; align-items: center; gap: 10px; padding: 12px; }

.settings-nav { display: flex; gap: 0; border-bottom: 1px solid var(--line); margin-bottom: 12px; }
.settings-nav button {
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 8px 12px;
  color: var(--muted);
}
.settings-nav button.active { color: var(--text); border-bottom-color: var(--accent); }

@media (max-width: 1100px) {
  .kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-2, .detail, .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .topbar { height: auto; padding: 8px 12px; flex-wrap: wrap; }
  .content { padding: 12px; }
  table.data { display: block; overflow-x: auto; }
}