:root {
  --accent: #2563eb;
  --accent-light: #eef4ff;
  --text: #1a1d23;
  --muted: #6b7280;
  --border: #e5e7eb;
  --bg: #f7f8fa;
  --red: #dc2626;
  --orange: #d97706;
  --green: #16a34a;
  --grey: #9ca3af;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.topbar-title { font-weight: 700; font-size: 18px; }
.topbar-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--muted); }
.btn-refresh {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.btn-refresh:active { opacity: 0.8; }

.tabs {
  display: flex;
  background: #fff;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  position: sticky;
  top: 49px;
  z-index: 9;
}
.tab {
  flex: 1 0 auto;
  background: none;
  border: none;
  padding: 12px 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

#app { padding: 14px; max-width: 1100px; margin: 0 auto; }
.screen { display: none; }
.screen.active { display: block; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}
.obj-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  cursor: pointer;
}
.obj-card:active { background: var(--accent-light); }
.obj-card h3 { margin: 0 0 8px; font-size: 15px; }
.obj-card .badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  background: #f0f0f2;
  color: var(--grey);
  margin-bottom: 8px;
}
.obj-fields { display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; font-size: 13px; }
.obj-fields .label { color: var(--muted); }
.obj-fields .value { text-align: right; font-variant-numeric: tabular-nums; }
.obj-fields .value.paid { font-weight: 700; color: var(--text); }

.other-summary {
  margin-top: 18px;
  padding: 12px 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 13px;
  color: var(--muted);
}
.other-summary strong { color: var(--text); }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.filters select, .filters input, #ref-search {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  background: #fff;
}
.filters select { flex: 1 1 140px; }
.filters input { flex: 2 1 200px; }
#ref-search { width: 100%; margin-bottom: 10px; }

.table-wrap { overflow-x: auto; background: #fff; border-radius: 12px; border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 640px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { background: #fafafa; color: var(--muted); font-weight: 600; position: sticky; top: 0; }
td.amount { text-align: right; font-variant-numeric: tabular-nums; }
.hint { font-size: 12px; color: var(--muted); margin-top: 8px; }

@media (max-width: 700px) {
  .table-wrap { border: none; background: none; }
  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: 8px;
    padding: 8px 10px;
  }
  tbody td {
    display: flex;
    justify-content: space-between;
    border-bottom: none;
    padding: 4px 0;
    white-space: normal;
    text-align: right;
  }
  tbody td::before {
    content: attr(data-label);
    color: var(--muted);
    font-weight: 600;
    text-align: left;
    padding-right: 8px;
  }
}

.subtabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.subtab {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
}
.subtab.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.ref-list { display: flex; flex-direction: column; gap: 6px; }
.ref-row {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.ref-row .meta { color: var(--muted); font-size: 12px; }
.empty-state {
  background: #fff;
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

.gaps-box { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 18px; }
.gaps-box h2 { margin-top: 0; font-size: 17px; }
.gaps-box .chain { font-weight: 600; color: var(--accent); font-size: 13px; line-height: 1.6; }
.legend { display: flex; flex-direction: column; gap: 6px; margin: 12px 0; }
.legend-item { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.dot.зелёный { background: var(--green); }
.dot.оранжевый { background: var(--orange); }
.dot.красный { background: var(--red); }

.toast {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 100;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.btn-secondary {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.btn-danger {
  background: #fff;
  color: var(--red);
  border: 1px solid #f3caca;
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.btn-link {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 6px;
}

.ref-toolbar { display: flex; gap: 8px; margin-bottom: 10px; }
.ref-toolbar input { flex: 1; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; }

.ref-list { display: flex; flex-direction: column; gap: 6px; }
.ref-row {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.ref-row .ref-main { display: flex; flex-direction: column; gap: 2px; }
.ref-row .meta { color: var(--muted); font-size: 12px; }
.ref-row .ref-actions { display: flex; gap: 6px; flex-shrink: 0; }
.ref-row.inactive { opacity: 0.55; }

.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 50;
}
.modal-backdrop.show { display: block; }
.modal {
  display: none;
  position: fixed;
  z-index: 51;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  border-radius: 12px;
  width: min(560px, 92vw);
  max-height: 86vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}
.modal.show { display: block; }
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  position: sticky;
  top: 0;
  background: #fff;
  border-radius: 12px 12px 0 0;
}
.modal-close { background: none; border: none; font-size: 22px; line-height: 1; cursor: pointer; color: var(--muted); }
.modal-body { padding: 16px; }

.form-field { margin-bottom: 12px; }
.form-field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; font-weight: 600; }
.form-field input[type="text"],
.form-field input[type="number"],
.form-field input[type="date"],
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
}
.form-field textarea { min-height: 60px; resize: vertical; }
.form-field.checkbox { display: flex; align-items: center; gap: 8px; }
.form-field.checkbox label { margin: 0; }

.alloc-rows { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; }
.alloc-row { display: flex; gap: 6px; align-items: center; }
.alloc-row select { flex: 2; }
.alloc-row input { flex: 1; }
.alloc-sum-hint { font-size: 12px; margin: 6px 0 14px; padding: 8px 10px; border-radius: 8px; background: #f0f0f2; }
.alloc-sum-hint.ok { background: #ecfdf3; color: var(--green); }
.alloc-sum-hint.bad { background: #fef2f2; color: var(--red); }

.form-actions { display: flex; justify-content: space-between; gap: 8px; margin-top: 16px; }
.form-actions-right { display: flex; gap: 8px; }

/* ---------------------------------------------------------------------- */
/* Login page                                                             */
/* ---------------------------------------------------------------------- */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.login-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
  width: min(360px, 100%);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}
.login-title { font-weight: 700; font-size: 24px; text-align: center; }
.login-subtitle { font-size: 13px; color: var(--muted); text-align: center; margin: 6px 0 24px; }
.login-error {
  font-size: 13px;
  color: var(--red);
  min-height: 18px;
  margin: -4px 0 12px;
}
.login-submit { width: 100%; padding: 11px 14px; font-size: 14px; }

/* ---------------------------------------------------------------------- */
/* Top navigation — grouped menu + logout                                 */
/* ---------------------------------------------------------------------- */
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.btn-logout {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.btn-logout:hover { color: var(--red); border-color: #f3caca; }

.nav-group-label {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  padding: 0 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--grey);
  white-space: nowrap;
}
.tabs { align-items: stretch; }