:root {
  --bg: #f6f5f0;
  --surface: #ffffff;
  --surface-2: #f0f7f4;
  --ink: #19201d;
  --muted: #66706b;
  --line: #d9ddd7;
  --accent: #137a5b;
  --accent-dark: #0b5d45;
  --blue: #3269a8;
  --coral: #b85845;
  --amber: #b17812;
  --shadow: 0 18px 60px rgba(25, 32, 29, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.45;
  overflow-x: hidden;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: var(--accent-dark);
}

.topbar,
.layout,
.footer {
  width: min(1440px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 0 18px;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 10px;
  font-size: clamp(2.1rem, 4.8vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 1.25rem;
  line-height: 1.15;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 6px;
  font-size: 1rem;
}

.header-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 440px;
}

.header-stats span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  padding: 7px 10px;
}

.hero-lead {
  max-width: 640px;
  margin-bottom: 8px;
  color: #3f4944;
  font-size: clamp(1rem, 1.7vw, 1.22rem);
}

.trust-line {
  display: inline-flex;
  align-items: center;
  margin-bottom: 0;
  border: 1px solid #cfe3da;
  border-radius: 999px;
  background: #fff;
  color: var(--accent-dark);
  padding: 7px 10px;
  font-size: 0.86rem;
  font-weight: 800;
}

.layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.78fr) minmax(560px, 1.22fr);
  gap: 18px;
  align-items: start;
}

.optimizer,
.explorer {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.optimizer {
  position: sticky;
  top: 14px;
}

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

.controls,
.filterbar {
  display: grid;
  gap: 12px;
}

.controls {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.filterbar {
  grid-template-columns: 1.25fr 1fr 1fr 0.8fr;
  margin-bottom: 14px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.field-title {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.field-title span {
  width: 20px;
  height: 20px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: #e7f3ef;
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 900;
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 9px 10px;
}

input:focus,
select:focus,
button:focus {
  outline: 3px solid rgba(19, 122, 91, 0.16);
  outline-offset: 2px;
}

input:disabled {
  background: #f0f1ed;
  color: #8a918c;
}

.input-unit {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.input-unit input {
  border: 0;
  border-radius: 0;
}

.input-unit span {
  color: var(--muted);
  padding: 0 10px;
  white-space: nowrap;
}

.check-row {
  grid-template-columns: auto 1fr;
  align-items: center;
  color: var(--ink);
  min-height: 42px;
  align-self: end;
}

.check-row input {
  width: 18px;
  min-height: 18px;
}

.primary-button,
.ghost-button,
.tab {
  min-height: 42px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  padding: 9px 12px;
  font-weight: 800;
}

.primary-button {
  background: var(--accent);
  color: #fff;
  min-height: 48px;
}

.primary-button:hover {
  background: var(--accent-dark);
}

.ghost-button,
.tab {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.ghost-button:hover,
.tab:hover {
  border-color: var(--accent);
}

.tabs {
  display: inline-flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.tab.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.result-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f7fbf8;
  padding: 16px;
}

.result-label {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.result-panel strong {
  display: block;
  margin-top: 3px;
  color: var(--accent-dark);
  font-size: clamp(2.2rem, 7vw, 3.75rem);
  line-height: 1.1;
}

.result-panel p {
  margin: 6px 0 0;
  color: var(--muted);
  font-weight: 750;
}

.share-result {
  min-width: 142px;
}

.notice {
  display: none;
  margin: 14px 0;
  border-radius: var(--radius);
  padding: 11px 12px;
  color: #34250a;
  background: #fff3cf;
  border: 1px solid #ecd38f;
}

.notice.show {
  display: block;
}

.basket {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.basket-item,
.weekly,
.empty-state,
.source-card,
.compare-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.basket-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
}

.item-rank {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #e7f3ef;
  color: var(--accent-dark);
  font-weight: 900;
}

.item-main {
  min-width: 0;
}

.item-main strong,
td strong {
  display: block;
}

.item-main span,
td span,
.small {
  color: var(--muted);
  font-size: 0.82rem;
}

td span:not(.badge) {
  display: block;
}

.item-metrics {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 8px;
  justify-content: end;
  min-width: 210px;
  color: var(--muted);
  font-size: 0.84rem;
  text-align: right;
}

.item-metrics div {
  display: grid;
  gap: 2px;
}

.item-metrics span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.item-metrics strong {
  color: var(--ink);
  white-space: nowrap;
}

.weekly {
  margin-top: 12px;
  padding: 12px;
}

.weekly-list {
  display: grid;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.weekly-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.ranking-cards {
  display: none;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 920px;
  background: #fff;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 10px;
  text-align: left;
  vertical-align: top;
  font-size: 0.9rem;
}

th {
  position: sticky;
  top: 0;
  background: #f7f8f5;
  color: var(--muted);
  z-index: 1;
  font-size: 0.78rem;
  text-transform: uppercase;
}

tbody tr:hover {
  background: #fbfaf7;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.compare-check {
  width: 18px;
  min-height: 18px;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 0.74rem;
  font-weight: 800;
  white-space: nowrap;
}

.badge.official {
  color: #114b37;
  background: #dff3ea;
}

.badge.public {
  color: #254c86;
  background: #e4eefb;
}

.badge.value {
  color: #084c35;
  background: #cff3df;
}

.badge.promo {
  color: #6b3e00;
  background: #fff0c2;
}

.badge.supplement {
  color: #5a3d7a;
  background: #eee5f6;
}

.badge.review {
  color: #6b3e00;
  background: #fff0c2;
}

.row-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 7px;
}

.ranking-card {
  display: grid;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 13px;
}

.ranking-card h3 {
  margin-bottom: 0;
}

.ranking-card-head,
.source-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.compare-inline {
  display: inline-flex;
  grid-template-columns: none;
  align-items: center;
  gap: 7px;
  color: var(--ink);
}

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

.ranking-metrics div {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fafbf8;
  padding: 9px;
}

.ranking-metrics span,
.ranking-metrics small {
  display: block;
  color: var(--muted);
  font-size: 0.74rem;
}

.ranking-metrics strong {
  display: block;
  margin: 2px 0;
  font-size: 1rem;
}

.metric-bars {
  display: grid;
  gap: 9px;
  margin-top: 12px;
}

.bar-row {
  display: grid;
  gap: 4px;
}

.bar-label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.8rem;
}

.bar-track {
  height: 8px;
  border-radius: 999px;
  background: #e5e8e2;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--accent);
}

.compare-grid,
.source-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.compare-card,
.source-card,
.empty-state {
  padding: 14px;
}

.compare-card .price {
  color: var(--accent-dark);
  font-size: 1.6rem;
  font-weight: 900;
  margin: 8px 0 4px;
}

.empty-state {
  color: var(--muted);
  background: #fafaf8;
}

.source-card {
  display: grid;
  gap: 8px;
}

.source-card a {
  overflow-wrap: anywhere;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  padding: 20px 0 28px;
  font-size: 0.86rem;
}

.footer p {
  margin-bottom: 0;
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .optimizer {
    position: static;
  }
}

@media (max-width: 980px) {
  .table-wrap {
    display: none;
  }

  .ranking-cards {
    display: grid;
    gap: 10px;
  }
}

@media (max-width: 760px) {
  .topbar,
  .section-head,
  .footer {
    align-items: stretch;
    flex-direction: column;
  }

  .header-stats {
    justify-content: flex-start;
  }

  .controls,
  .filterbar,
  .result-panel {
    grid-template-columns: 1fr;
  }

  .ranking-metrics {
    grid-template-columns: 1fr;
  }

  .basket-item {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .item-metrics {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    min-width: 0;
    text-align: left;
  }

  .tabs {
    justify-content: flex-start;
  }
}