:root {
  --bg: #eef2f5;
  --surface: #fff;
  --surface-2: #f7fafc;
  --line: #cfd9e3;
  --line-strong: #a8bac9;
  --text: #1b2838;
  --muted: #637489;
  --blue: #1f5f99;
  --blue-dark: #173f68;
  --teal: #0f8b8d;
  --green: #237a4b;
  --red: #b83a3a;
  --amber: #9a6914;
  --shadow: 0 18px 40px rgba(32, 52, 71, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
}

button, input, select { font: inherit; }
button { cursor: pointer; }

body.locked .app-shell {
  filter: blur(3px);
  pointer-events: none;
  user-select: none;
}

.login-screen {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: none;
  place-items: center;
  padding: 18px;
  background: rgba(20, 35, 49, 0.48);
}

body.locked .login-screen { display: grid; }

.login-card {
  width: min(430px, 100%);
  display: grid;
  gap: 14px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 30px 90px rgba(20, 32, 45, 0.35);
}

.login-card h1 { margin: 0; font-size: 24px; }
.login-error { min-height: 18px; margin: 0; color: var(--red); font-weight: 700; }

.remember-password {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 28px;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
}

.remember-password input {
  width: 17px;
  height: 17px;
  min-height: 0;
  margin: 0;
  accent-color: var(--blue);
}

.login-help {
  display: grid;
  gap: 4px;
  padding: 12px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  font-size: 12px;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}

.sidebar {
  background: #f8fbfd;
  border-right: 1px solid var(--line);
  padding: 18px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 8px 8px 18px;
  border-bottom: 1px solid var(--line);
}

.brand-sidebar-icon {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: block;
  position: relative;
  background: #fff;
  color: #3979ad;
  border: 1px solid #c9ddec;
  border-radius: 8px;
  box-shadow: 0 3px 8px rgba(31, 95, 153, 0.08);
  overflow: hidden;
}

.brand-sidebar-icon::after {
  content: "";
  position: absolute;
  left: 8px;
  right: 7px;
  bottom: 8px;
  height: 1px;
  background: #3979ad;
}

.building-main,
.building-side {
  position: absolute;
  bottom: 9px;
  display: grid;
  background: #fff;
  border: 1.5px solid #3979ad;
}

.building-main {
  right: 9px;
  width: 18px;
  height: 25px;
  grid-template-columns: repeat(3, 2px);
  grid-template-rows: repeat(4, 2px);
  gap: 3px;
  padding: 4px 3px 2px;
}

.building-side {
  left: 9px;
  width: 9px;
  height: 17px;
  grid-template-columns: 2px;
  grid-template-rows: repeat(4, 2px);
  gap: 2px;
  padding: 3px 0 2px 2px;
}

.building-main i,
.building-side i {
  display: block;
  background: #3979ad;
  border-radius: 1px;
}

.building-main .building-door {
  height: 6px;
  margin-top: 0;
}

.brand > div {
  min-width: 0;
}

.brand strong {
  line-height: 1.25;
  font-size: 13px;
  font-weight: 600;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--blue);
  color: #fff;
  border-radius: 7px;
  font-weight: 700;
}

.brand strong, .brand small { display: block; }
.brand small, .eyebrow, .metric span, .metric small { color: var(--muted); }

.nav { display: grid; gap: 5px; padding-top: 18px; }

.nav-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  align-items: center;
  gap: 9px;
  border: 1px solid transparent;
  background: transparent;
  color: #375069;
  padding: 10px 9px;
  border-radius: 7px;
  text-align: left;
}

.nav-item.active, .nav-item:hover {
  background: #e7f0f8;
  border-color: #bed4e9;
  color: var(--blue-dark);
}

.workspace {
  min-width: 0;
  padding: 22px;
}

.topbar {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.topbar h1, .panel h2 { margin: 0; }
.topbar h1 { font-size: 26px; }

.eyebrow {
  margin: 0 0 3px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-chip {
  min-height: 40px;
  display: grid;
  align-content: center;
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--blue-dark);
  font-weight: 700;
  white-space: nowrap;
}

.search-box {
  min-width: 330px;
  height: 40px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 7px;
}

.search-box input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
}

.menu-toggle { display: none; }
.view { display: none; }
.view.active { display: block; }

.metrics-grid, .reports-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric, .panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.metric {
  min-height: 120px;
  padding: 18px;
  display: grid;
  align-content: center;
  gap: 7px;
}

.metric strong {
  font-size: 25px;
  color: var(--blue-dark);
}

.panel { min-width: 0; overflow: hidden; }

.panel-heading {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(#ffffff, #f4f8fb);
}

.panel h2 { font-size: 17px; }

.split-layout, .form-table-layout, .contract-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(320px, 0.8fr);
  gap: 14px;
  margin-top: 14px;
}

.form-table-layout { grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1.4fr); }
.form-table-layout.compact-left { grid-template-columns: minmax(280px, 420px) minmax(0, 1fr); }
.contract-layout { grid-template-columns: minmax(0, 1fr); }
.form-panel { align-self: start; }

.field-grid {
  display: grid;
  gap: 13px;
  padding: 16px;
}

.field-grid.one { grid-template-columns: 1fr; }
.field-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.field-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

label {
  display: grid;
  gap: 6px;
  color: #2e4052;
  font-weight: 700;
  font-size: 12px;
}

input, select {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  padding: 8px 10px;
}

input:focus, select:focus {
  outline: 2px solid rgba(31, 95, 153, 0.18);
  border-color: var(--blue);
}

.span-2 { grid-column: span 2; }

.form-actions {
  display: flex;
  gap: 9px;
  padding: 0 16px 16px;
}

.primary-btn, .ghost-btn, .text-btn, .quick-actions button, .action-btn, .segmented button {
  min-height: 36px;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--text);
  padding: 8px 12px;
}

.primary-btn { background: var(--blue); border-color: var(--blue); color: #fff; }
.ghost-btn:hover, .text-btn:hover, .quick-actions button:hover, .action-btn:hover { background: #eef6fb; }
.text-btn { border-color: transparent; color: var(--blue); background: transparent; font-weight: 700; }

.quick-actions { display: grid; gap: 9px; padding: 16px; }
.quick-actions button { text-align: left; }

.legacy-import {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-top: 1px solid var(--line);
}

.legacy-import-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.legacy-import-status {
  min-height: 18px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.legacy-import-status.error { color: var(--red); font-weight: 700; }

.hint-box {
  margin: 0 16px 16px;
  padding: 12px;
  border-left: 4px solid var(--teal);
  background: #eef9f8;
  color: #31565a;
  border-radius: 5px;
}

.permission-disabled { opacity: 0.68; }
button:disabled, input:disabled, select:disabled { cursor: not-allowed; opacity: 0.6; }
.is-hidden { display: none !important; }

.table-wrap { overflow: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th, td {
  padding: 10px 11px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

th {
  background: #dce9f3;
  color: #25435f;
  font-size: 12px;
}

tbody tr:nth-child(even) { background: #f7fafc; }

.status {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 12px;
}

.status.open { background: #fff2cf; color: var(--amber); }
.status.paid { background: #def4e7; color: var(--green); }
.status.sold { background: #e4edf6; color: var(--blue-dark); }
.status.cancel { background: #fae1e1; color: var(--red); }

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

.action-btn {
  min-height: 30px;
  padding: 5px 8px;
  font-size: 12px;
}

.action-btn.danger { color: var(--red); border-color: #e3b7b7; }
.action-btn.success { color: var(--green); border-color: #a8d6bc; }

.contract-list {
  display: grid;
  gap: 10px;
  padding: 16px;
}

.contract-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px;
  display: grid;
  gap: 11px;
}

.contract-item header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.contract-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
}

.totals-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.totals-row span {
  display: grid;
  gap: 3px;
  padding: 10px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.segmented {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  overflow: hidden;
}

.finance-filters {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px;
}

.date-filter {
  display: flex;
  align-items: end;
  flex-wrap: wrap;
  gap: 8px;
}

.date-filter label {
  min-width: 140px;
  color: var(--muted);
}

.date-filter input {
  min-height: 34px;
  padding: 6px 8px;
}

.segmented button {
  border: 0;
  border-radius: 0;
  min-height: 34px;
}

.segmented button.active { background: var(--blue); color: #fff; }
.reports-grid { grid-template-columns: minmax(0, 1fr); }
.inline-filter { max-width: 380px; margin: 16px; }

dialog {
  border: 0;
  border-radius: 8px;
  padding: 0;
  box-shadow: 0 30px 90px rgba(20, 32, 45, 0.35);
  width: min(760px, calc(100vw - 30px));
}

dialog::backdrop { background: rgba(21, 35, 49, 0.52); }
.receipt { padding: 22px; position: relative; }

.dialog-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  border: 0;
  background: transparent;
  font-size: 22px;
}

.receipt-paper {
  min-height: 380px;
  border: 1px solid var(--line);
  padding: 28px;
  background: #fff;
}

.receipt-paper h2 {
  text-align: center;
  letter-spacing: 7px;
  margin: 20px 0 28px;
}

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

menu {
  display: flex;
  justify-content: flex-end;
  gap: 9px;
  padding: 16px 0 0;
  margin: 0;
}

@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    z-index: 10;
    width: 260px;
    transform: translateX(-100%);
    transition: transform 160ms ease;
  }
  .sidebar.open { transform: translateX(0); }
  .menu-toggle {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
  }
  .topbar { flex-wrap: wrap; align-items: stretch; }
  .top-actions, .search-box { width: 100%; min-width: 0; }
  .finance-filters { justify-content: flex-start; }
  .date-filter label { min-width: min(140px, 100%); }
  .metrics-grid, .split-layout, .form-table-layout, .field-grid.two, .field-grid.three { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
}

@media (max-width: 620px) {
  .workspace { padding: 14px; }
  .metrics-grid { gap: 10px; }
  .metric { min-height: 96px; }
  .top-actions { flex-direction: column; }
  .panel-heading, .contract-item header, .totals-row { grid-template-columns: 1fr; display: grid; }
}

@media print {
  body * { visibility: hidden; }
  dialog[open], dialog[open] * { visibility: visible; }
  dialog[open] { position: absolute; inset: 0; width: 100%; box-shadow: none; }
  menu, .dialog-close { display: none; }
}