:root {
  --bg: #f5f7fa;
  --panel: #fff;
  --text: #172033;
  --muted: #667085;
  --line: #e5e9f0;
  --primary: #155eef;
  --primary2: #0b4fd4;
  --danger: #d92d20;
  --success: #027a48;
  --warn: #b54708;
  --sidebar: #111827;
  --sidebar2: #1f2937;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 14px;
}

a { color: inherit; text-decoration: none; }

.app-grid {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background: var(--sidebar);
  color: #dbe3ef;
  padding: 18px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: #374151 transparent;
}

.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: #374151; border-radius: 3px; }

.brand-block {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 4px 8px 20px;
}

.brand-block small { display: block; color: #8ea0b8; margin-top: 2px; }

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: #2e6cff;
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.brand-mark.big { width: 56px; height: 56px; margin: auto; font-size: 18px; }

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.nav-list a {
  padding: 10px 12px;
  border-radius: 8px;
  color: #c8d1de;
}

.nav-list a:hover,
.nav-list a.active { background: var(--sidebar2); color: #fff; }

.nav-label {
  padding: 14px 12px 5px;
  color: #7f8ea3;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}

.main-area { min-width: 0; }

.topbar {
  height: 66px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 22px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar-spacer { flex: 1; }

.user-meta {
  text-align: right;
  margin-right: 12px;
}

.user-meta span { display: block; color: var(--muted); font-size: 12px; }

.content-wrap {
  padding: 22px;
  max-width: 1700px;
  margin: auto;
}

.menu-toggle { display: none; }

.page-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
}

.page-head h1 { margin: 0; font-size: 24px; }
.page-head p { margin: 5px 0 0; color: var(--muted); }

.page-actions {
  margin-left: auto;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.card + .card { margin-top: 16px; }

.card-title { font-size: 16px; font-weight: 700; margin: 0 0 14px; }

.card-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}

.stat span { color: var(--muted); font-size: 12px; }
.stat strong { display: block; font-size: 24px; margin-top: 5px; }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.kpi {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.kpi strong {
  display: block;
  font-size: 30px;
  line-height: 1;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.form-grid .span-2 { grid-column: span 2; }
.form-grid .span-3 { grid-column: span 3; }
.form-grid .span-4 { grid-column: 1 / -1; }

.form-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: #344054;
  font-size: 12px;
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #d0d5dd;
  border-radius: 8px;
  background: #fff;
  color: #101828;
  padding: 9px 10px;
  font: inherit;
  min-height: 38px;
}

textarea { min-height: 80px; resize: vertical; }

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(21, 94, 239, .12);
  border-color: #84adff;
}

.btn {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 9px 13px;
  font-weight: 700;
  cursor: pointer;
  background: #fff;
}

.btn-sm { padding: 6px 10px; font-size: 12px; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary2); }

.btn-light { border-color: #d0d5dd; color: #344054; }

.btn-danger { background: #fff1f0; color: var(--danger); border-color: #fecdca; }

.btn-success { background: #ecfdf3; color: var(--success); border-color: #abefc6; }

.btn-block { width: 100%; }

.btn:disabled { opacity: .55; cursor: not-allowed; }

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: end;
  margin-bottom: 14px;
}

.toolbar > * { min-width: 150px; }
.toolbar .grow { flex: 1; min-width: 240px; }

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  white-space: nowrap;
}

.data-table th,
.data-table td {
  padding: 10px 11px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  background: #f9fafb;
  color: #475467;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .03em;
  position: sticky;
  top: 0;
}

.data-table tr:last-child td { border-bottom: 0; }

.data-table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.codes {
  white-space: normal;
  min-width: 190px;
  max-width: 280px;
}

.code-pill,
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 7px;
  border-radius: 999px;
  background: #eef4ff;
  color: #3538cd;
  font-size: 11px;
  font-weight: 700;
  margin: 1px;
}

.badge.success { background: #ecfdf3; color: #027a48; }
.badge.warn { background: #fffaeb; color: #b54708; }
.badge.danger { background: #fef3f2; color: #b42318; }
.badge.gray { background: #f2f4f7; color: #475467; }

.muted { color: var(--muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }

.alert {
  border-radius: 9px;
  padding: 11px 13px;
  margin-bottom: 14px;
  border: 1px solid;
}

.alert.success { background: #ecfdf3; border-color: #abefc6; color: #05603a; }
.alert.danger { background: #fef3f2; border-color: #fecdca; color: #b42318; }

.field-error { color: var(--danger); font-size: 12px; }

.divider {
  height: 1px;
  background: var(--line);
  margin: 16px 0;
}

.section-title {
  font-size: 13px;
  text-transform: uppercase;
  color: #475467;
  letter-spacing: .05em;
  margin: 0 0 12px;
}

.line-editor {
  display: grid;
  grid-template-columns: minmax(240px, 2fr) 100px 130px 120px 120px 38px;
  gap: 8px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.line-editor.header {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  font-weight: 700;
}

.search-results {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  max-height: 260px;
  overflow: auto;
  margin-top: 4px;
}

.search-result {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

.search-result:hover { background: #f9fafb; }
.search-result:last-child { border-bottom: 0; }

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 14px;
}

.tabs button {
  border: 0;
  background: none;
  padding: 10px 12px;
  cursor: pointer;
  color: var(--muted);
  font-weight: 700;
}

.tabs button.active { color: var(--primary); border-bottom: 2px solid var(--primary); }

.login-card {
  width: min(420px, calc(100% - 32px));
  margin: 8vh auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 12px 30px rgba(16, 24, 40, .08);
  text-align: center;
}

.login-card h1 { margin: 18px 0 6px; font-size: 22px; }

.guest-page {
  min-height: 100vh;
  background: #eef2f7;
  padding-top: 1px;
}

.check { flex-direction: row; align-items: center; }
.check input { width: auto; min-height: auto; }

.summary-box {
  display: flex;
  justify-content: flex-end;
  gap: 28px;
  align-items: flex-end;
  margin-top: 14px;
}

.summary-box > div { text-align: right; }
.summary-box strong { display: block; font-size: 22px; }

.pagination-wrap { margin-top: 12px; }

.inline-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.detail-list {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 8px 14px;
}

.detail-list dt { color: var(--muted); }
.detail-list dd { margin: 0; font-weight: 600; }

.empty {
  padding: 28px;
  text-align: center;
  color: var(--muted);
}

.list-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.list-row:last-child { border-bottom: 0; }

@media (max-width: 1100px) {
  .stats,
  .form-grid,
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .form-grid .span-3,
  .form-grid .span-4 { grid-column: 1 / -1; }

  .line-editor { grid-template-columns: minmax(200px, 2fr) 80px 110px 100px 100px 38px; }
}

@media (max-width: 820px) {
  .app-grid { grid-template-columns: 1fr; }

  .sidebar {
    position: fixed;
    left: -270px;
    z-index: 50;
    width: 250px;
    transition: .2s;
  }

  .sidebar.open { left: 0; }

  .menu-toggle {
    display: block;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 7px;
    padding: 7px 10px;
  }

  .content-wrap { padding: 14px; }
  .topbar { padding: 0 14px; }
  .user-meta { display: none; }

  .stats,
  .grid-2,
  .grid-3,
  .grid-4,
  .form-grid { grid-template-columns: 1fr; }

  .form-grid .span-2,
  .form-grid .span-3,
  .form-grid .span-4 { grid-column: auto; }

  .page-head { flex-wrap: wrap; }

  .page-actions { width: 100%; margin-left: 0; }

  .line-editor { grid-template-columns: 1fr 70px 90px; }
  .line-editor > *:nth-child(4),
  .line-editor > *:nth-child(5) { display: none; }
  .line-editor.header { display: none; }

  .kpi-grid { grid-template-columns: 1fr; }
}