:root {
    --navy: #031d35;
    --navy-soft: #0a2a48;
    --emerald: #00975f;
    --emerald-dark: #00794c;
    --ink: #111827;
    --muted: #5c6677;
    --border: #dce2e9;
    --surface: #ffffff;
    --surface-soft: #f7f9fb;
    --warning: #b86600;
    --danger: #bd2c2c;
    --shadow: 0 8px 22px rgb(15 31 48 / 6%);
    --radius: 12px;
    --font: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: #fff;
    color: var(--ink);
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.5;
    text-rendering: optimizeLegibility;
}

a { color: #0064c8; text-decoration: none; }
a:hover { color: #004c99; }

.site-header {
    position: relative;
    z-index: 20;
    background: var(--navy);
    color: #fff;
    min-height: 64px;
}

.nav-shell {
    min-height: 64px;
    display: flex;
    align-items: center;
    gap: 36px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 25px;
    font-weight: 760;
    letter-spacing: -.04em;
}
.brand:hover { color: #fff; }
.brand > span:last-child > span { color: #0dbb78; }
.brand-mark {
    color: #2bd394;
    font-family: ui-monospace, "Cascadia Code", monospace;
    font-size: 17px;
    letter-spacing: -.18em;
}

.nav-links {
    flex: 1;
    align-items: stretch;
    gap: 28px;
    min-height: 64px;
}
.nav-links.collapse:not(.show) { display: flex; }
.nav-links a {
    position: relative;
    display: inline-flex;
    align-items: center;
    color: #eef5fb;
    font-size: 14px;
    font-weight: 650;
}
.nav-links a.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    background: #21c98a;
}

.nav-actions { display: flex; align-items: center; gap: 16px; white-space: nowrap; }
.nav-login, .user-name { color: #fff; font-size: 14px; font-weight: 650; }
.mobile-menu {
    display: none;
    border: 0;
    background: transparent;
    color: #fff;
    font-size: 28px;
}

.button {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 18px;
    background: #fff;
    color: var(--ink);
    font: 650 14px/1 var(--font);
    cursor: pointer;
    transition: border-color .15s, background-color .15s, transform .15s;
}
.button:hover { border-color: #9ba8b7; color: var(--ink); }
.button:active { transform: translateY(1px); }
.button-primary { background: var(--emerald); border-color: var(--emerald); color: #fff; }
.button-primary:hover { background: var(--emerald-dark); border-color: var(--emerald-dark); color: #fff; }
.button-outline { border-color: var(--emerald); color: var(--emerald-dark); }
.button-ghost { border-color: rgb(255 255 255 / 35%); color: #fff; background: transparent; }
.button-compact { min-height: 38px; padding: 9px 16px; }
.button-full { width: 100%; }
.button-danger { border-color: #e5b1b1; color: var(--danger); }

.catalog-intro {
    max-width: 820px;
    margin: 0 auto;
    padding: 36px 0 20px;
}
.catalog-intro h1 {
    margin: 0;
    font-size: clamp(34px, 4vw, 48px);
    line-height: 1.12;
    letter-spacing: -.035em;
    font-weight: 780;
}
.catalog-intro p {
    margin: 8px 0 16px;
    color: var(--muted);
    font-size: 18px;
}

.search-form { display: grid; grid-template-columns: 1fr 124px; gap: 8px; }
.input, .select, .textarea {
    width: 100%;
    min-height: 46px;
    border: 1px solid #cfd7e1;
    border-radius: 8px;
    background: #fff;
    color: var(--ink);
    padding: 11px 14px;
    font: 500 14px/1.35 var(--font);
    outline: none;
}
.textarea { min-height: 116px; resize: vertical; }
.input:focus, .select:focus, .textarea:focus {
    border-color: var(--emerald);
    box-shadow: 0 0 0 3px rgb(0 151 95 / 12%);
}
.search-field { position: relative; }
.search-field .input { padding-left: 44px; font-size: 16px; }
.search-field i { position: absolute; left: 16px; top: 13px; color: var(--muted); font-size: 19px; }

.catalog-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr) 230px;
    gap: 28px;
    padding: 12px 0 64px;
    align-items: start;
}

.filter-panel, .promoted-panel {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px;
    background: #fff;
}
.filter-group + .filter-group {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}
.filter-title { margin: 0 0 9px; font-weight: 750; font-size: 13px; }
.check-row {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 28px;
    color: #303948;
    font-size: 13px;
}
.check-row input { accent-color: var(--emerald); width: 15px; height: 15px; }
.mobile-filter-bar { display: none; }

.results-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 48px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}
.results-title-row h2 { margin: 0; font-size: 19px; font-weight: 760; }

.skill-list { display: grid; gap: 14px; }
.skill-card {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: 0 1px 2px rgb(15 31 48 / 2%);
    overflow: hidden;
    transition: border-color .15s, box-shadow .15s;
}
.skill-card:hover { border-color: #aab6c4; box-shadow: var(--shadow); }
.skill-card-main {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr) 150px;
    gap: 20px;
    padding: 18px;
}
.skill-icon {
    width: 82px;
    height: 82px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: var(--navy);
    color: #fff;
    font-size: 36px;
}
.skill-card:nth-child(2n) .skill-icon { background: #087f7b; }
.skill-card:nth-child(3n) .skill-icon { background: #663a96; }
.skill-copy h3 { margin: 0 0 2px; font-size: 18px; font-weight: 770; line-height: 1.3; }
.skill-copy .seller { font-size: 13px; font-weight: 650; }
.skill-copy p { margin: 7px 0 10px; color: #343d4b; font-size: 13px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
    display: inline-flex;
    align-items: center;
    border: 1px solid #d7dee6;
    border-radius: 5px;
    padding: 2px 8px;
    color: #394454;
    background: #fff;
    font-size: 12px;
}
.price-box { text-align: right; }
.price { display: block; margin: 1px 0 12px; font-size: 21px; font-weight: 780; }
.rating { display: block; margin-bottom: 12px; font-size: 13px; }
.rating i { color: #f1a900; }
.skill-meta {
    display: grid;
    grid-template-columns: 1.1fr .85fr 1.45fr 1.4fr;
    border-top: 1px solid var(--border);
    background: #fbfcfd;
}
.meta-item {
    display: flex;
    gap: 8px;
    align-items: center;
    min-height: 46px;
    padding: 8px 14px;
    border-right: 1px solid var(--border);
    color: #475264;
    font-size: 11px;
}
.meta-item:last-child { border-right: 0; }
.meta-item i { color: var(--navy-soft); font-size: 15px; }

.promoted-panel h2 { margin: 0 0 12px; font-size: 16px; }
.promoted-item { padding: 14px 0; border-top: 1px solid var(--border); }
.promoted-item:first-of-type { border-top: 0; padding-top: 0; }
.promoted-item h3 { margin: 0; font-size: 14px; }
.promoted-item p { margin: 6px 0 10px; color: var(--muted); font-size: 12px; }
.promoted-label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }

.pagination-shell { display: flex; justify-content: center; gap: 6px; padding-top: 22px; }
.page-link {
    min-width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: 7px;
    color: var(--ink);
}
.page-link.active { border-color: var(--emerald); color: var(--emerald-dark); }

.site-footer { border-top: 1px solid var(--border); background: #fff; }
.footer-shell {
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    color: var(--muted);
    font-size: 12px;
}
.footer-shell nav { display: flex; gap: 28px; }
.footer-shell a { color: var(--muted); }

.page-shell { padding: 42px 0 72px; }
.page-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 26px; }
.page-heading h1 { margin: 0; font-size: clamp(30px, 4vw, 44px); letter-spacing: -.035em; }
.page-heading p { margin: 7px 0 0; color: var(--muted); }

.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 36px; align-items: start; }
.detail-header { display: grid; grid-template-columns: 92px 1fr; gap: 20px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.detail-header h1 { margin: 0; font-size: 36px; line-height: 1.15; letter-spacing: -.03em; }
.detail-section { padding: 24px 0; border-bottom: 1px solid var(--border); }
.detail-section h2 { margin: 0 0 12px; font-size: 20px; }
.facts-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.fact { min-height: 78px; padding: 14px; border-bottom: 1px solid var(--border); }
.fact:nth-child(odd) { border-right: 1px solid var(--border); }
.fact strong { display: block; margin-bottom: 4px; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.purchase-panel { position: sticky; top: 22px; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.purchase-panel .price { font-size: 30px; margin-bottom: 18px; }
.fineprint { color: var(--muted); font-size: 12px; }
.hash { display: block; overflow-wrap: anywhere; font-family: ui-monospace, "Cascadia Code", monospace; font-size: 11px; color: var(--muted); }
.verified-review { border-left: 3px solid var(--emerald); padding: 12px 16px; background: var(--surface-soft); margin-top: 10px; }

.auth-shell { max-width: 470px; margin: 54px auto 90px; }
.auth-shell h1 { margin-bottom: 8px; font-size: 34px; }
.auth-shell > p { color: var(--muted); margin-bottom: 24px; }
.form-panel { border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; margin-bottom: 7px; font-size: 13px; font-weight: 700; }
.form-help { color: var(--muted); font-size: 12px; margin-top: 6px; }
.alert { border-radius: 8px; padding: 12px 14px; margin-bottom: 18px; font-size: 13px; }
.alert-success { color: #075f3f; background: #eaf8f1; border: 1px solid #bae7d2; }
.alert-warning { color: #744200; background: #fff6df; border: 1px solid #efd28e; }
.alert-danger { color: #8e2020; background: #fff0f0; border: 1px solid #edbaba; }

.dashboard-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); min-height: calc(100vh - 64px); }
.dashboard-nav { border-right: 1px solid var(--border); padding: 22px 14px; }
.dashboard-nav a { display: flex; gap: 10px; padding: 11px 13px; border-radius: 7px; color: #253043; font-weight: 620; }
.dashboard-nav a.active { background: var(--navy); color: #fff; }
.dashboard-main { padding: 34px; min-width: 0; }
.dashboard-heading { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-bottom: 22px; }
.dashboard-heading h1 { margin: 0; font-size: 32px; letter-spacing: -.03em; }
.status {
    display: inline-flex;
    padding: 5px 10px;
    border: 1px solid #e5be65;
    border-radius: 999px;
    color: #7c4a00;
    background: #fff9e9;
    font-size: 12px;
}

.data-panel { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: #fff; }
.data-row { display: grid; grid-template-columns: 180px minmax(0, 1fr) auto; gap: 20px; padding: 16px; border-bottom: 1px solid var(--border); align-items: start; }
.data-row:last-child { border-bottom: 0; }
.data-label { font-weight: 720; }
.data-value { color: #465164; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 12px 14px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; font-size: 13px; }
.data-table th { background: var(--surface-soft); color: #394454; font-weight: 730; }
.data-table tr:last-child td { border-bottom: 0; }
.dashboard-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(300px, .8fr); gap: 20px; }
.section-title { margin: 0 0 12px; font-size: 18px; }
.stack { display: grid; gap: 18px; }
.audit-line { position: relative; padding: 5px 0 18px 28px; border-left: 2px solid #d6dde5; margin-left: 9px; }
.audit-line::before { content: ""; position: absolute; width: 13px; height: 13px; border-radius: 50%; background: var(--emerald); left: -7px; top: 7px; }

.cards-plain { display: grid; gap: 12px; }
.plain-row { display: flex; justify-content: space-between; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--border); }
.plain-row h2, .plain-row h3 { margin: 0 0 5px; }
.plain-row p { margin: 0; color: var(--muted); }
.bounty-proposals { display: grid; gap: 8px; margin-top: 16px; }
.bounty-proposal-form { width: min(340px, 100%); min-width: 0; flex: 0 0 auto; }

@media (max-width: 1100px) {
    .catalog-layout { grid-template-columns: 200px minmax(0, 1fr); }
    .promoted-panel { grid-column: 2; }
    .skill-meta { grid-template-columns: repeat(2, 1fr); }
    .meta-item:nth-child(2) { border-right: 0; }
    .meta-item:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
    .dashboard-grid { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
    .site-header, .nav-shell { min-height: 72px; }
    .nav-shell { gap: 14px; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
    .mobile-menu { display: block; order: -1; }
    .brand { font-size: 23px; }
    .nav-links { flex-basis: 100%; order: 5; min-height: 0; flex-direction: column; gap: 0; padding-bottom: 8px; }
    .nav-links.collapse:not(.show) { display: none; }
    .nav-links a { padding: 10px 0; }
    .nav-links a.active::after { display: none; }
    .nav-actions { margin-left: auto; }
    .nav-actions .button-primary, .user-name { display: none; }
    .catalog-intro { padding: 38px 0 24px; }
    .catalog-intro h1 { font-size: 36px; }
    .catalog-intro p { font-size: 17px; }
    .catalog-layout { display: block; }
    .filter-panel { display: none; }
    .mobile-filter-bar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 24px; }
    .mobile-filter-bar .button, .mobile-filter-bar .select { min-width: 0; min-height: 50px; width: 100%; }
    .mobile-sort-form { display: grid; grid-template-columns: minmax(0, 1fr) 44px; gap: 6px; min-width: 0; }
    .promoted-panel { margin-top: 24px; }
    .results-title-row { margin-bottom: 14px; }
    .skill-card-main { grid-template-columns: 80px minmax(0, 1fr); }
    .skill-icon { width: 74px; height: 74px; }
    .price-box { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; align-items: center; text-align: left; }
    .price-box .button { grid-column: 1 / -1; }
    .skill-meta { grid-template-columns: 1fr; }
    .meta-item { border-right: 0; border-bottom: 1px solid var(--border); min-height: 52px; }
    .meta-item:last-child { border-bottom: 0; }
    .detail-layout { grid-template-columns: 1fr; }
    .purchase-panel { position: static; }
    .dashboard-layout { grid-template-columns: 1fr; }
    .dashboard-nav { border-right: 0; border-bottom: 1px solid var(--border); display: flex; gap: 6px; overflow-x: auto; }
    .dashboard-nav a { white-space: nowrap; }
    .dashboard-main { padding: 24px 16px 56px; }
    .dashboard-heading { align-items: flex-start; flex-direction: column; }
    .data-row { grid-template-columns: 1fr; gap: 6px; }
    .facts-grid { grid-template-columns: 1fr; }
    .fact:nth-child(odd) { border-right: 0; }
}

@media (max-width: 520px) {
    body { font-size: 14px; }
    .container-xl { padding-left: 16px; padding-right: 16px; }
    .nav-actions { gap: 10px; }
    .nav-actions form { display: none; }
    .catalog-intro h1 { font-size: 34px; line-height: 1.14; }
    .search-form { grid-template-columns: 1fr; }
    .search-form .button { width: 100%; }
    .skill-card-main { grid-template-columns: 70px minmax(0, 1fr); padding: 16px; gap: 14px; }
    .skill-icon { width: 64px; height: 64px; font-size: 28px; }
    .skill-copy h3 { font-size: 18px; }
    .price-box { display: flex; flex-direction: column; align-items: stretch; }
    .price-box .price { text-align: left; }
    .tag-list { margin-top: 8px; }
    .footer-shell { align-items: flex-start; flex-direction: column; padding-top: 22px; padding-bottom: 22px; }
    .footer-shell nav { flex-wrap: wrap; gap: 14px; }
    .detail-header { grid-template-columns: 70px 1fr; }
    .detail-header h1 { font-size: 28px; }
    .page-heading { align-items: flex-start; flex-direction: column; }
    .plain-row { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}