:root {
    color-scheme: dark;
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        'Segoe UI',
        sans-serif;
    background: #0c0d12;
    color: #f5f6fa;
    font-synthesis: none;
}

* {
    box-sizing: border-box;
}

body {
    background:
        radial-gradient(circle at 16% -10%, rgb(71 84 255 / 30%), transparent 34%),
        radial-gradient(circle at 90% 28%, rgb(75 210 166 / 12%), transparent 28%), #0c0d12;
    margin: 0;
    min-height: 100vh;
}

button {
    color: inherit;
    cursor: pointer;
    font: inherit;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.page-shell {
    display: grid;
    gap: 18px;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
    margin: 0 auto;
    max-width: 1120px;
    padding: 48px 24px 72px;
}

.hero,
.unsupported {
    grid-column: 1 / -1;
}

.hero {
    align-items: end;
    display: flex;
    gap: 28px;
    justify-content: space-between;
    padding: 16px 4px 20px;
}

.eyebrow {
    color: #9d96ff;
    font-size: 11px;
    font-weight: 750;
    letter-spacing: 0.12em;
    margin: 0 0 8px;
    text-transform: uppercase;
}

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

h1 {
    font-size: clamp(36px, 7vw, 68px);
    letter-spacing: -0.055em;
    line-height: 0.98;
    margin-bottom: 18px;
}

h2 {
    font-size: 24px;
    letter-spacing: -0.02em;
    margin-bottom: 0;
}

.hero__copy {
    color: #aaacb8;
    font-size: 16px;
    line-height: 1.55;
    margin-bottom: 0;
    max-width: 640px;
}

.api-card {
    align-items: center;
    background: rgb(255 255 255 / 6%);
    border: 1px solid rgb(255 255 255 / 10%);
    border-radius: 16px;
    display: flex;
    flex: 0 0 290px;
    gap: 12px;
    padding: 14px;
}

.api-card__indicator {
    background: #52d99c;
    border-radius: 999px;
    box-shadow: 0 0 0 7px rgb(82 217 156 / 12%);
    height: 9px;
    width: 9px;
}

.api-card strong {
    display: block;
    font-size: 13px;
}

.api-card p {
    color: #858893;
    font-size: 11px;
    margin: 3px 0 0;
}

.unsupported {
    background: rgb(255 192 81 / 9%);
    border: 1px solid rgb(255 192 81 / 30%);
    border-radius: 14px;
    color: #d9d5c9;
    font-size: 13px;
    line-height: 1.55;
    padding: 13px 16px;
}

.unsupported strong {
    color: #ffd687;
}

.catalog-panel,
.cart-panel,
.tools-panel {
    background: rgb(20 21 29 / 78%);
    border: 1px solid rgb(255 255 255 / 8%);
    border-radius: 22px;
    box-shadow: 0 18px 54px rgb(0 0 0 / 20%);
    padding: 22px;
}

.catalog-panel {
    grid-row: span 2;
}

.section-heading {
    align-items: center;
    display: flex;
    gap: 18px;
    justify-content: space-between;
    margin-bottom: 18px;
}

.product-grid {
    display: grid;
    gap: 12px;
}

.product-card,
.cart-row {
    align-items: center;
    background: rgb(255 255 255 / 4%);
    border: 1px solid rgb(255 255 255 / 7%);
    border-radius: 14px;
    display: flex;
    gap: 12px;
    justify-content: space-between;
    padding: 14px;
}

.product-card h3 {
    font-size: 15px;
    margin-bottom: 4px;
}

.product-card p {
    color: #aaacb8;
    font-size: 13px;
    margin-bottom: 0;
}

.primary-button,
.secondary-button,
.danger-button {
    border: 0;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 700;
    min-height: 38px;
    padding: 0 14px;
}

.primary-button {
    background: linear-gradient(145deg, #775ff1, #4d71e5);
}

.secondary-button {
    background: rgb(255 255 255 / 8%);
    border: 1px solid rgb(255 255 255 / 9%);
}

.danger-button {
    background: rgb(255 83 104 / 12%);
    color: #ff96a3;
}

.cart-list {
    display: grid;
    gap: 8px;
    min-height: 68px;
}

.cart-row span:first-child {
    display: grid;
    gap: 3px;
}

.cart-row small {
    color: #858893;
}

.cart-empty {
    align-items: center;
    color: #777a86;
    display: flex;
    font-size: 13px;
    justify-content: center;
    margin: 0;
    min-height: 68px;
}

.cart-summary {
    border-top: 1px solid rgb(255 255 255 / 8%);
    display: flex;
    flex-wrap: wrap;
    font-size: 12px;
    gap: 12px;
    justify-content: space-between;
    margin-top: 14px;
    padding-top: 14px;
}

.cart-summary span:last-child {
    font-size: 14px;
}

.tools-panel ul {
    display: grid;
    gap: 8px;
    list-style: none;
    margin: 18px 0;
    padding: 0;
}

.tools-panel li {
    align-items: center;
    display: flex;
    font-size: 12px;
    gap: 10px;
    justify-content: space-between;
}

.tools-panel li span {
    color: #858893;
    font-size: 10px;
    text-transform: uppercase;
}

.toolchange-note {
    color: #aaacb8;
    font-size: 12px;
    line-height: 1.5;
    margin-bottom: 0;
}

@media (max-width: 800px) {
    .page-shell {
        grid-template-columns: 1fr;
        padding-top: 24px;
    }

    .hero,
    .unsupported {
        grid-column: auto;
    }

    .hero {
        align-items: stretch;
        flex-direction: column;
    }

    .api-card {
        flex-basis: auto;
    }

    .catalog-panel {
        grid-row: auto;
    }
}

.page-footer {
    align-items: center;
    color: #777a86;
    display: flex;
    flex-wrap: wrap;
    font-size: 12px;
    gap: 10px;
    justify-content: center;
    margin: 0 auto;
    max-width: 1120px;
    padding: 0 24px 44px;
}

.page-footer a {
    color: #9d96ff;
    text-decoration: none;
}

.page-footer a:hover,
.page-footer a:focus-visible {
    text-decoration: underline;
}

@media (max-width: 480px) {
    .page-shell {
        padding-inline: 12px;
    }

    .section-heading {
        align-items: stretch;
        flex-direction: column;
    }
}