:root {
  color-scheme: light;
  --ink: #1e2633;
  --muted: #6d7480;
  --line: #e5e8ed;
  --surface: #ffffff;
  --soft: #f5f6f8;
  --accent: #3759e6;
  --accent-dark: #2440bc;
  --danger: #b23a48;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: #f8f9fb; color: var(--ink); }
button, input, select { font: inherit; }
button { cursor: pointer; }
.app-shell { max-width: 1280px; margin: 0 auto; padding: 28px 28px 80px; }
.hero { background: var(--ink); color: #fff; padding: 34px 38px 42px; border-radius: 22px; margin-bottom: 22px; }
.hero__topline, .catalog-meta, .drawer__header, .total-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.eyebrow { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; opacity: .68; }
h1 { margin: 52px 0 10px; font-size: clamp(38px, 6vw, 74px); line-height: .98; letter-spacing: -.055em; }
h2 { margin: 5px 0 0; font-size: 24px; letter-spacing: -.03em; }
.hero__lead { margin: 0; color: #c9cfda; font-size: 18px; }
.cart-button, .primary-button { border: 0; border-radius: 999px; background: #fff; color: var(--ink); padding: 11px 16px; font-weight: 700; }
.cart-count { display: inline-grid; place-items: center; min-width: 22px; height: 22px; margin-left: 5px; background: var(--accent); color: #fff; border-radius: 50%; font-size: 12px; }
.controls { display: grid; grid-template-columns: 1.7fr repeat(3, 1fr) auto; gap: 10px; padding: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; }
label { display: grid; gap: 7px; color: var(--muted); font-size: 12px; font-weight: 700; }
input, select { min-width: 0; width: 100%; border: 1px solid #d9dde5; background: #fff; color: var(--ink); border-radius: 10px; padding: 11px 12px; outline: none; }
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px #3759e61f; }
.reset-button, .link-button { border: 0; background: transparent; color: var(--accent); font-weight: 700; white-space: nowrap; }
.reset-button { align-self: end; padding: 11px 4px; }
.catalog-meta { padding: 24px 3px 12px; color: var(--muted); font-size: 14px; }
.catalog-meta p { margin: 0; }
.catalog { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.card { display: flex; flex-direction: column; gap: 14px; min-height: 330px; padding: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.card:hover { transform: translateY(-2px); box-shadow: 0 12px 30px #17203a12; border-color: #cdd3df; }
.card__head { display: flex; gap: 10px; justify-content: space-between; align-items: flex-start; }
.card h3 { margin: 0; font-size: 20px; line-height: 1.05; letter-spacing: -.03em; }
.tag { display: inline-flex; align-items: center; border-radius: 999px; padding: 5px 8px; background: #eef1ff; color: var(--accent-dark); font-size: 10px; font-weight: 800; white-space: nowrap; }
.card__description { margin: 0; color: #535b68; font-size: 14px; line-height: 1.45; }
.card__facts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: auto; }
.fact { padding-top: 9px; border-top: 1px solid var(--line); }
.fact__label { display: block; margin-bottom: 4px; color: var(--muted); font-size: 11px; }
.fact__value { display: block; font-size: 13px; font-weight: 700; line-height: 1.25; }
.card__footer { display: flex; gap: 8px; align-items: center; }
.select-button { flex: 1; border: 1px solid var(--accent); border-radius: 9px; padding: 10px 12px; color: var(--accent); background: #fff; font-weight: 800; }
.select-button.is-selected { color: #fff; background: var(--accent); }
.source-link { color: var(--muted); font-size: 12px; text-decoration: none; }
.source-link:hover { color: var(--accent); }
.empty { grid-column: 1 / -1; padding: 60px 20px; border: 1px dashed #cbd1db; border-radius: 16px; text-align: center; color: var(--muted); }
.drawer { position: fixed; inset: 0; z-index: 5; pointer-events: none; }
.drawer.is-open { pointer-events: auto; }
.drawer__backdrop { position: absolute; inset: 0; background: #12182780; opacity: 0; transition: opacity .2s ease; }
.drawer.is-open .drawer__backdrop { opacity: 1; }
.drawer__panel { position: absolute; top: 0; right: 0; display: flex; flex-direction: column; width: min(470px, 100%); height: 100%; padding: 28px; background: #fff; transform: translateX(100%); transition: transform .24s ease; }
.drawer.is-open .drawer__panel { transform: translateX(0); }
.icon-button { border: 0; background: transparent; font-size: 31px; color: var(--muted); line-height: 1; }
.selection-list { flex: 1; overflow: auto; margin: 24px 0; }
.selection-item { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.selection-item h3 { margin: 0 0 5px; font-size: 15px; }
.selection-item p { margin: 0; color: var(--muted); font-size: 12px; }
.remove-button { border: 0; background: transparent; color: var(--danger); font-size: 12px; font-weight: 700; }
.drawer__footer { padding-top: 15px; border-top: 1px solid var(--line); }
.total-row { margin-bottom: 15px; font-size: 16px; }
.total-row strong { font-size: 20px; }
.primary-button { width: 100%; color: #fff; background: var(--accent); border-radius: 10px; padding: 13px; }
.primary-button:hover, .select-button:hover { background: var(--accent-dark); color: #fff; }
.drawer__footer .link-button { width: 100%; padding: 13px 0 0; }
.toast { position: fixed; left: 50%; bottom: 22px; z-index: 10; padding: 11px 15px; background: var(--ink); color: #fff; border-radius: 9px; transform: translate(-50%, 120px); transition: transform .2s ease; font-size: 13px; }
.toast.is-visible { transform: translate(-50%, 0); }

@media (max-width: 980px) {
  .controls { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .search-field { grid-column: 1 / -1; }
  .catalog { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .app-shell { padding: 12px 12px 46px; }
  .hero { padding: 24px 20px 30px; border-radius: 16px; }
  h1 { margin-top: 42px; font-size: 48px; }
  .hero__lead { font-size: 15px; }
  .controls { grid-template-columns: 1fr; padding: 12px; }
  .search-field { grid-column: auto; }
  .catalog { grid-template-columns: 1fr; }
  .catalog-meta { align-items: flex-start; flex-direction: column; gap: 6px; }
  .card { min-height: 0; }
  .drawer__panel { padding: 22px 18px; }
}

@media print {
  .app-shell, .drawer, .toast { display: none !important; }
}