/* =========================================================================
   GetPcParts.co.uk — design tokens
   Direction: an electronics datasheet / workbench aesthetic — flat panels,
   hairline rules, monospace for spec data — distinct from the generic
   rounded SaaS-card look most comparison sites default to.
   ========================================================================= */
:root {
  --bg: #10151c;
  --panel: #161d27;
  --panel-2: #1b2430;
  --border: #2a3542;
  --border-soft: #202a35;
  --text: #eaf0f5;
  --text-muted: #93a2af;
  --text-faint: #5f6f7c;
  --accent: #ffb020;      /* signal amber — CTAs, prices, highlights */
  --accent-ink: #241a04;
  --accent-2: #2fd9c4;    /* circuit teal — links, secondary emphasis */
  --danger: #ff6b6b;
  --ok: #59d68a;
  --radius: 3px;
  --font-head: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--accent); color: var(--accent-ink);
  padding: 10px 16px; z-index: 200; font-weight: 600;
}
.skip-link:focus { left: 12px; top: 12px; }

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 600; line-height: 1.15; margin: 0 0 0.5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
h2 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; color: var(--text); max-width: 68ch; }
.text-muted { color: var(--text-muted); }
.mono { font-family: var(--font-mono); }

.section { padding: 64px 0; border-bottom: 1px solid var(--border-soft); }
.section--tight { padding: 40px 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-bottom: 28px; flex-wrap: wrap; }
.section-head p { margin: 6px 0 0; }

/* Buttons -------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: 0.95rem;
  padding: 12px 20px; border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text); cursor: pointer; text-decoration: none;
  transition: border-color .15s ease, transform .05s ease;
}
.btn:hover { border-color: var(--accent-2); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn--accent { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn--accent:hover { border-color: #ffc555; background: #ffc555; }
.btn--outline { background: transparent; }
.btn--sm { padding: 8px 14px; font-size: 0.85rem; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }

/* Header ----------------------------------------------------------------*/
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(16,21,28,.92); backdrop-filter: blur(6px); border-bottom: 1px solid var(--border-soft); }
.site-header__inner { display: flex; align-items: center; gap: 32px; height: 68px; }
.logo { display: flex; align-items: center; gap: 8px; color: var(--text); }
.logo:hover { text-decoration: none; }
.logo__mark { color: var(--accent); font-size: 1.1rem; }
.logo__text { font-family: var(--font-head); font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; }
.logo__tld { color: var(--text-muted); font-weight: 500; }
.main-nav { flex: 1; }
.main-nav > ul { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; }
.main-nav > ul > li > a { display: block; padding: 10px 12px; color: var(--text-muted); font-weight: 500; font-size: 0.94rem; border-radius: var(--radius); }
.main-nav > ul > li > a:hover, .main-nav > ul > li > a.is-active { color: var(--text); text-decoration: none; background: var(--panel-2); }
.has-dropdown { position: relative; }
.dropdown { list-style: none; margin: 0; padding: 6px; position: absolute; top: 100%; left: 0; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); min-width: 220px; display: none; box-shadow: 0 12px 24px rgba(0,0,0,.35); }
.has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown { display: block; }
.dropdown a { display: block; padding: 8px 10px; color: var(--text); border-radius: var(--radius); font-size: 0.9rem; }
.dropdown a:hover { background: var(--panel-2); text-decoration: none; }
.site-header__actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; flex-direction: column; gap: 4px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 20px; height: 2px; background: var(--text); display: block; }
.mobile-nav { display: none; flex-direction: column; border-top: 1px solid var(--border-soft); padding: 8px 24px 16px; }
.mobile-nav a { color: var(--text); padding: 10px 0; border-bottom: 1px solid var(--border-soft); font-weight: 500; }
.mobile-nav a:hover { color: var(--accent-2); text-decoration: none; }
.mobile-nav.is-open { display: flex; }

@media (max-width: 860px) {
  .main-nav, .site-header__actions .btn { display: none; }
  .nav-toggle { display: flex; }
}

/* Breadcrumbs ------------------------------------------------------------*/
.breadcrumbs { padding: 14px 0 0; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; font-size: 0.85rem; color: var(--text-faint); }
.breadcrumbs li:not(:last-child)::after { content: '/'; margin-left: 6px; color: var(--text-faint); }
.breadcrumbs a { color: var(--text-muted); }
.breadcrumbs li[aria-current="page"] { color: var(--text-muted); }

/* Hero --------------------------------------------------------------------*/
.hero { padding: 56px 0 48px; border-bottom: 1px solid var(--border-soft); background:
  radial-gradient(700px 300px at 85% -10%, rgba(47,217,196,.10), transparent 60%),
  radial-gradient(500px 260px at 5% 0%, rgba(255,176,32,.08), transparent 60%);
}
.hero__grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hero__eyebrow { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent-2); margin-bottom: 14px; }
.hero p.lead { font-size: 1.1rem; color: var(--text-muted); max-width: 52ch; }
.hero__actions { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.hero__stats { display: flex; gap: 28px; margin-top: 34px; flex-wrap: wrap; }
.hero__stats div strong { display: block; font-family: var(--font-mono); font-size: 1.4rem; color: var(--accent); }
.hero__stats div span { font-size: 0.82rem; color: var(--text-faint); }
@media (max-width: 860px) { .hero__grid { grid-template-columns: 1fr; } }

.hero-panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.hero-panel__row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px dashed var(--border-soft); font-size: 0.92rem; }
.hero-panel__row:last-child { border-bottom: 0; }
.hero-panel__row span.k { color: var(--text-muted); }
.hero-panel__row span.v { font-family: var(--font-mono); color: var(--text); }
.hero-panel__total { display: flex; justify-content: space-between; align-items: baseline; padding-top: 14px; margin-top: 8px; border-top: 1px solid var(--border); }
.hero-panel__total strong { font-family: var(--font-mono); font-size: 1.5rem; color: var(--accent); }

/* Category grid --------------------------------------------------------- */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.cat-card { background: var(--panel); padding: 22px 18px; display: block; color: var(--text); transition: background .12s ease; }
.cat-card:hover { background: var(--panel-2); text-decoration: none; }
.cat-card__icon { font-family: var(--font-mono); color: var(--accent-2); font-size: 0.78rem; letter-spacing: 0.02em; }
.cat-card h3 { margin: 8px 0 4px; font-size: 1rem; }
.cat-card span { color: var(--text-faint); font-size: 0.82rem; }
@media (max-width: 860px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }

/* Part cards / lists ------------------------------------------------------*/
.part-toolbar { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 22px; }
.part-toolbar select, .part-toolbar input {
  background: var(--panel); border: 1px solid var(--border); color: var(--text);
  padding: 9px 12px; border-radius: var(--radius); font-family: var(--font-body); font-size: 0.9rem;
}
.part-count { color: var(--text-faint); font-size: 0.85rem; margin-left: auto; }

.part-list { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.part-row { display: grid; grid-template-columns: 2.2fr 1fr 1fr 0.9fr auto; gap: 16px; align-items: center; padding: 18px 20px; background: var(--panel); border-bottom: 1px solid var(--border-soft); }
.part-row:last-child { border-bottom: 0; }
.part-row:nth-child(even) { background: var(--panel-2); }
.part-row h3 { margin: 0 0 4px; font-size: 1rem; }
.part-row h3 a { color: var(--text); }
.part-row h3 a:hover { color: var(--accent-2); }
.part-row .brand { color: var(--text-faint); font-size: 0.8rem; font-family: var(--font-mono); }
.part-row .spec { font-size: 0.85rem; color: var(--text-muted); }
.part-row .price { font-family: var(--font-mono); font-size: 1.05rem; color: var(--accent); text-align: right; }
.part-row .rating { font-size: 0.8rem; color: var(--text-faint); }
.stars { color: var(--accent); letter-spacing: 1px; }
.star--empty { color: var(--border); }

@media (max-width: 760px) {
  .part-row { grid-template-columns: 1fr; text-align: left; }
  .part-row .price { text-align: left; }
}

/* Spec table on part detail ---------------------------------------------*/
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.spec-table tr { border-bottom: 1px solid var(--border-soft); }
.spec-table td { padding: 11px 4px; }
.spec-table td:first-child { color: var(--text-muted); width: 40%; }
.spec-table td:last-child { font-family: var(--font-mono); color: var(--text); }

.detail-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }
@media (max-width: 860px) { .detail-grid { grid-template-columns: 1fr; } }
.detail-media { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; color: var(--text-faint); font-family: var(--font-mono); font-size: 0.85rem; }
.price-box { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin: 20px 0; }
.price-box .price { font-family: var(--font-mono); font-size: 2rem; color: var(--accent); }

/* Panels / callouts -------------------------------------------------------*/
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.callout { border-left: 3px solid var(--accent-2); background: var(--panel); padding: 16px 18px; border-radius: 0 var(--radius) var(--radius) 0; }
.callout--warn { border-left-color: var(--danger); }
.callout--ok { border-left-color: var(--ok); }

/* Builder v2 — component table + picker modal ------------------------------*/
.builder-topbar { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 4px; }
.compat-banner { flex: 1; min-width: 260px; display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-radius: var(--radius); font-size: 0.92rem; font-weight: 600; border: 1px solid var(--border); }
.compat-banner__icon { font-size: 0.7rem; }
.compat-banner--neutral { background: var(--panel); color: var(--text-muted); }
.compat-banner--ok { background: rgba(89,214,138,.12); color: var(--ok); border-color: rgba(89,214,138,.4); }
.compat-banner--warn { background: rgba(255,107,107,.12); color: var(--danger); border-color: rgba(255,107,107,.4); }
.watt-badge { font-family: var(--font-mono); font-size: 0.9rem; color: var(--text-muted); background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 18px; white-space: nowrap; }
.watt-badge strong { color: var(--accent); }

#compat-messages { display: flex; flex-direction: column; gap: 8px; margin: 16px 0; }
#compat-messages .msg { font-size: 0.85rem; padding: 10px 14px; border-radius: var(--radius); border-left: 3px solid var(--border); background: var(--panel-2); }
#compat-messages .msg--warn { border-left-color: var(--danger); color: #ffb3b3; }
#compat-messages .msg--ok { border-left-color: var(--ok); color: #b7f0cb; }

.pp-table-wrap { border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; margin-top: 18px; }
table.pp-table { width: 100%; border-collapse: collapse; min-width: 620px; }
table.pp-table thead th { background: var(--panel-2); text-align: left; padding: 12px 16px; font-family: var(--font-head); font-size: 0.85rem; color: var(--text-muted); border-bottom: 1px solid var(--border); }
table.pp-table tbody td { padding: 14px 16px; border-bottom: 1px solid var(--border-soft); vertical-align: middle; background: var(--panel); }
table.pp-table tbody tr:nth-child(even) td { background: var(--panel-2); }
table.pp-table td.pp-comp { white-space: nowrap; font-weight: 600; font-size: 0.92rem; }
table.pp-table td.pp-comp a { color: var(--text); }
table.pp-table td.pp-price { font-family: var(--font-mono); color: var(--accent); white-space: nowrap; }
table.pp-table tfoot td { padding: 16px; font-weight: 700; font-family: var(--font-head); background: var(--panel-2); border-top: 1px solid var(--border); }
table.pp-table tfoot td[data-total] { font-family: var(--font-mono); color: var(--accent); font-size: 1.1rem; }

.pp-chosen { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.pp-chosen__name { display: block; font-weight: 600; font-size: 0.92rem; }
.pp-chosen__spec { display: block; font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-faint); margin-top: 2px; }
.pp-chosen__actions { display: flex; gap: 12px; flex-shrink: 0; }
.link-btn { background: none; border: 0; color: var(--accent-2); font-size: 0.82rem; cursor: pointer; padding: 0; font-family: var(--font-body); }
.link-btn:hover { text-decoration: underline; }
.link-btn--danger { color: var(--danger); }

.pp-extra { margin-top: 22px; display: flex; flex-direction: column; gap: 10px; }
.pp-extra__row { padding: 12px 16px; border: 1px dashed var(--border); border-radius: var(--radius); font-size: 0.88rem; display: flex; gap: 8px; flex-wrap: wrap; }
.pp-extra__row strong { color: var(--text-muted); min-width: 220px; }
.pp-extra__row em { color: var(--text-faint); font-style: normal; }

/* Picker modal ------------------------------------------------------------*/
.picker-overlay { position: fixed; inset: 0; background: rgba(6,9,13,.72); z-index: 300; display: flex; align-items: flex-start; justify-content: center; padding: 5vh 16px; overflow-y: auto; }
.picker-panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); width: 100%; max-width: 720px; max-height: 88vh; display: flex; flex-direction: column; }
.picker-panel__head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--border-soft); }
.picker-panel__head h2 { margin: 0; font-size: 1.05rem; }
.picker-panel__close { background: none; border: 0; color: var(--text-muted); font-size: 1.6rem; line-height: 1; cursor: pointer; padding: 0 4px; }
.picker-panel__close:hover { color: var(--text); }
.picker-panel__toolbar { padding: 14px 22px; border-bottom: 1px solid var(--border-soft); }
.picker-panel__toolbar input { width: 100%; }
.picker-panel__list { overflow-y: auto; padding: 8px; }
.picker-row { display: flex; align-items: center; gap: 16px; padding: 14px 14px; border-radius: var(--radius); }
.picker-row:hover { background: var(--panel-2); }
.picker-row__info { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.picker-row__brand { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-faint); }
.picker-row__name { font-weight: 600; font-size: 0.94rem; }
.picker-row__spec { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }
.picker-row__price { font-family: var(--font-mono); color: var(--accent); white-space: nowrap; }
@media (max-width: 600px) {
  .picker-row { flex-wrap: wrap; }
  .pp-chosen { flex-direction: column; align-items: flex-start; }
}


/* Guides -----------------------------------------------------------------*/
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 900px) { .guide-grid { grid-template-columns: 1fr; } }
.guide-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; background: var(--panel); }
.guide-card .tag { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent-2); text-transform: uppercase; letter-spacing: .04em; }
.guide-card h3 { margin: 10px 0 8px; font-size: 1.08rem; }
.guide-card h3 a { color: var(--text); }
.guide-card .meta { color: var(--text-faint); font-size: 0.8rem; margin-top: 12px; }
.guide-body h2 { margin-top: 1.6em; font-size: 1.3rem; }
.guide-body { max-width: 72ch; }

/* Compare table ------------------------------------------------------------*/
.compare-table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table.compare { border-collapse: collapse; width: 100%; min-width: 560px; }
table.compare th, table.compare td { padding: 14px 16px; border-bottom: 1px solid var(--border-soft); text-align: left; font-size: 0.9rem; }
table.compare thead th { background: var(--panel-2); font-family: var(--font-head); font-weight: 600; }
table.compare td:first-child, table.compare th:first-child { color: var(--text-muted); white-space: nowrap; }
table.compare td.mono-val { font-family: var(--font-mono); }

/* Forms --------------------------------------------------------------------*/
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 6px; }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; background: var(--panel); border: 1px solid var(--border); color: var(--text);
  padding: 11px 14px; border-radius: var(--radius); font-family: var(--font-body); font-size: 0.95rem;
}
.form-field textarea { min-height: 140px; resize: vertical; }

/* Footer -------------------------------------------------------------------*/
.site-footer { background: var(--panel); border-top: 1px solid var(--border-soft); padding: 56px 0 0; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
.footer__brand p { color: var(--text-faint); font-size: 0.88rem; }
.footer__col h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--text-faint); margin-bottom: 14px; }
.footer__col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.footer__col a { color: var(--text-muted); font-size: 0.9rem; }
.footer__col a:hover { color: var(--accent-2); }
.footer__bottom { border-top: 1px solid var(--border-soft); padding: 18px 0 28px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer__bottom p { color: var(--text-faint); font-size: 0.78rem; margin: 0; max-width: none; }
@media (max-width: 860px) { .footer__grid { grid-template-columns: 1fr 1fr; } }

/* Misc ----------------------------------------------------------------------*/
.badge-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.badge { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted); border: 1px solid var(--border); padding: 6px 10px; border-radius: var(--radius); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }
.related-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.related-list a { display: flex; justify-content: space-between; padding: 10px 14px; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); font-size: 0.9rem; }
.related-list a:hover { border-color: var(--accent-2); text-decoration: none; }
.related-list .p { font-family: var(--font-mono); color: var(--accent); }
.error-page { text-align: center; padding: 90px 0; }
.error-page .code { font-family: var(--font-mono); font-size: 5rem; color: var(--accent); margin-bottom: 0; }