:root {
  --bg: #eef3f8;
  --surface: #ffffff;
  --surface-soft: #f8fbfe;
  --text: #182437;
  --muted: #5a6774;
  --line: #d8e0e8;
  --line-strong: #c9d6e3;
  --accent: #184a78;
  --accent-2: #0f4c44;
  --shadow: 0 10px 24px rgba(19, 33, 45, 0.08);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
body {
  margin: 0;
  background: linear-gradient(180deg, #edf4ff 0%, #f5f8fb 35%, #f5f6f7 100%);
  color: var(--text);
}

a { color: inherit; }

.page-shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 18px 18px 40px;
}

.topbar {
  display: block;
  margin-bottom: 10px;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.title-wrap {
  display: inline-block;
  padding: 0 0 8px;
  border-bottom: 4px solid rgba(24, 74, 120, 0.22);
}

.field-stack {
  display: grid;
  gap: 10px;
}

.field-primary {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
}

.field span, .check-row span, .filter-group h3, .field-primary span, .foldable-programs summary {
  font-size: 0.92rem;
}

.field input[type="number"] {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  background: #fff;
}

.layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.card, .sidebar, .empty-state {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.sidebar {
  position: sticky;
  top: 14px;
  padding: 14px;
  display: grid;
  gap: 14px;
}

.sidebar-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 2px;
}

.sidebar-head h2, .results-header h2 {
  margin: 0;
  font-size: 1.05rem;
}

.ghost-button {
  border: 1px solid var(--line-strong);
  background: #fff;
  border-radius: 12px;
  padding: 10px 12px;
  font: inherit;
  cursor: pointer;
}

.field { display: grid; gap: 8px; }

.check-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
}

.filter-group {
  display: grid;
  gap: 10px;
}

.filter-group h3 {
  margin: 0;
}

.program-list {
  display: grid;
  gap: 8px;
}

.program-check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: center;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
}

.content { min-width: 0; }

.results-header {
  margin: 6px 2px 12px;
}

.muted {
  margin: 4px 0 0;
  color: var(--muted);
}

.results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
}

.card-link {
  text-decoration: none;
  color: inherit;
}

.result-card {
  display: grid;
  min-height: 156px;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  box-shadow: 0 14px 28px rgba(24, 74, 120, 0.12);
  transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}

.result-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(24, 74, 120, 0.16);
  border-color: #adc5df;
}

.card-main {
  padding: 14px 14px 10px;
  display: grid;
  gap: 10px;
  align-content: start;
}

.card-title-row {
  display: grid;
  gap: 3px;
}

.program-name {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.1;
}

.plan-name {
  color: var(--muted);
  font-size: 0.94rem;
}

.card-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.35;
}

.card-spacer {
  min-height: 1.2rem;
}

.price-bar {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: linear-gradient(90deg, #eef5ff 0%, #e8f5f0 100%);
  border-top: 1px solid #dbe5ef;
}

.price-label {
  color: var(--muted);
  font-size: 0.85rem;
}

.price-value {
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1;
}

.empty-state {
  padding: 24px;
}

.empty-state h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

.site-footer {
  margin-top: 18px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }
}

@media (max-width: 640px) {
  .page-shell {
    padding: 14px 12px 28px;
  }

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

  .price-bar {
    align-items: start;
    flex-direction: column;
  }
}


.foldable-programs {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.foldable-programs summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.foldable-programs summary::-webkit-details-marker {
  display: none;
}

.foldable-programs summary::before {
  content: '▸';
  display: inline-block;
  margin-right: 8px;
  color: var(--muted);
  transition: transform 120ms ease;
}

.foldable-programs[open] summary::before {
  transform: rotate(90deg);
}

.foldable-programs .program-list {
  margin-top: 10px;
}