:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --panel-muted: #f8f9fb;
  --border: #d9dde4;
  --text: #151a22;
  --muted: #667085;
  --accent: #1f4b99;
  --accent-soft: #e9f0fb;
  --danger: #b42318;
  --success: #067647;
  --shadow: 0 16px 40px rgba(15, 23, 42, 0.06);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

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

button,
input,
select {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  padding: 32px 24px;
  background: #eef2f7;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.eyebrow,
.section-kicker,
.card-label {
  margin: 0 0 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.sidebar h1,
.hero-row h2,
.panel h3,
.result-block h4 {
  margin: 0;
  line-height: 1.15;
}

.sidebar h1 {
  font-size: 1.9rem;
}

.lead,
.sidebar-card p,
.hint,
.list-row small,
.metric-label,
.empty-state {
  color: var(--muted);
}

.sidebar-card,
.panel,
.room-card,
.result-block,
.stat-card,
.metric-card,
.lot-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.sidebar-card {
  padding: 18px;
}

.compact-list ul {
  margin: 0;
  padding-left: 18px;
}

.compact-list li + li {
  margin-top: 8px;
}

.main-content {
  padding: 28px;
}

.hero-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  gap: 12px;
}

.panel {
  padding: 22px;
  margin-bottom: 20px;
}

.panel-header {
  margin-bottom: 18px;
}

.panel-header-split {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.grid {
  display: grid;
  gap: 14px;
}

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

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

.grid-5 {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.grid-room {
  grid-template-columns: 1.2fr 1.4fr 0.8fr auto;
  align-items: end;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label span {
  font-size: 0.92rem;
  font-weight: 600;
}

input,
select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
}

input:focus,
select:focus {
  outline: 2px solid rgba(31, 75, 153, 0.12);
  border-color: var(--accent);
}

.toggle-field {
  justify-content: flex-end;
}

.toggle-field input {
  min-height: 46px;
}

.btn {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 11px 16px;
  cursor: pointer;
  font-weight: 600;
}

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

.btn-secondary,
.btn-ghost {
  background: #fff;
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost {
  color: var(--danger);
}

.stack {
  display: grid;
  gap: 12px;
}

.room-card {
  padding: 16px;
}

.room-actions {
  display: flex;
  justify-content: flex-end;
}

.stat-grid,
.result-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.stat-card,
.metric-card {
  padding: 16px;
}

.stat-value,
.metric-value {
  display: block;
  margin-top: 6px;
  font-size: 1.6rem;
  font-weight: 700;
}

.metric-value.small {
  font-size: 1.15rem;
}

.lots-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.lot-card {
  padding: 16px;
  background: var(--panel-muted);
}

.lot-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.lot-title {
  font-weight: 700;
}

.lot-meta {
  font-size: 0.88rem;
  color: var(--muted);
}

.results-columns {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
}

.result-block {
  padding: 18px;
}

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

.list-row:last-child {
  border-bottom: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
}

.badge.warning {
  background: #fff4e5;
  color: #b54708;
}

.badge.danger {
  background: #fef3f2;
  color: var(--danger);
}

.empty-state {
  padding: 12px 0;
}

.hint {
  margin: 12px 0 0;
}

.hidden {
  display: none !important;
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .grid-4,
  .grid-5,
  .grid-3,
  .grid-room,
  .result-grid,
  .results-columns,
  .lots-grid,
  .stat-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .main-content {
    padding: 16px;
  }

  .hero-row,
  .panel-header-split {
    flex-direction: column;
  }

  .grid-4,
  .grid-5,
  .grid-3,
  .grid-room,
  .result-grid,
  .results-columns,
  .lots-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    width: 100%;
    flex-direction: column;
  }
}