/* =============================================================================
   Nexus PCBuilds — dark "Electric & Neon" theme. Single stylesheet, no build
   step. Fonts load from Google Fonts (see the <link> in the page head).
   ========================================================================== */

:root {
  --ink:        #050505;
  --surface:    #111111;
  --elevated:   #1a1a1a;
  --text:       #ffffff;
  --text-2:     #a1a1aa;
  --muted:      #52525b;
  --cyan:       #00f0ff;
  --magenta:    #ff003c;
  --green:      #39ff14;
  --blue:       #007aff;
  --border:     rgba(255, 255, 255, 0.10);
  --border-2:   rgba(255, 255, 255, 0.18);
  --radius:     14px;
  --maxw:       1180px;
  --font-head:  'Unbounded', system-ui, sans-serif;
  --font-body:  'Outfit', system-ui, sans-serif;
  --font-mono:  'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(0, 240, 255, 0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(255, 0, 60, 0.08), transparent 55%),
    var(--ink);
  background-attachment: fixed;
}

img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 600; line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.3rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1rem; }

.muted   { color: var(--text-2); }
.small   { font-size: .85rem; }
.hidden  { display: none; }
.inline  { display: inline; }
.nowrap  { white-space: nowrap; }
.mt      { margin-top: 1rem; }
.spaced li { margin-bottom: .5rem; }

.overline {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: .6rem;
}

.glow-cyan { color: var(--cyan); text-shadow: 0 0 24px rgba(0, 240, 255, 0.55); }

.link { color: var(--cyan); font-weight: 400; }
.linkbtn {
  background: none; border: 0; color: var(--text-2); cursor: pointer;
  font: inherit; padding: 0; text-decoration: underline;
}
.linkbtn:hover { color: var(--text); }
.linkbtn.danger, .danger { color: var(--magenta); }

/* ------------------------------------------------------------- announce ---- */
.announce {
  background: linear-gradient(90deg, rgba(0, 240, 255, 0.12), rgba(255, 0, 60, 0.12));
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  text-align: center;
  padding: .5rem 1rem;
}

/* ------------------------------------------------------------------ nav ---- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(5, 5, 5, 0.78);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: .85rem 1.25rem;
  display: flex; align-items: center; gap: 1.5rem;
}
.brand {
  font-family: var(--font-head); font-weight: 800; font-size: 1.05rem;
  color: var(--text); letter-spacing: -0.01em; white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--cyan); }
.nav-toggle {
  margin-left: auto; background: none; border: 1px solid var(--border-2);
  color: var(--text); font-size: 1.1rem; border-radius: 8px; padding: .2rem .55rem;
  cursor: pointer; display: none;
}
.nav-links {
  margin-left: auto; display: flex; align-items: center; gap: 1.4rem;
  font-size: .95rem;
}
.nav-links a { color: var(--text-2); }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links .cart-link, .nav-links .nav-admin { color: var(--text); }
.nav-admin { border: 1px solid var(--border-2); padding: .25rem .6rem; border-radius: 8px; }
.cur-form select, .filters select, .filters input, .form input, .form select, .form textarea,
.forge-row select, .cart-qty input, .add-form input, .order-status select {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border-2); border-radius: 8px;
  padding: .5rem .6rem; font: inherit;
}
.cur-form { margin: 0; }
.cur-form select { padding: .3rem .4rem; font-size: .85rem; }

body.nav-open .nav-links { display: flex; }

/* ----------------------------------------------------------------- flash --- */
.flash-wrap { max-width: var(--maxw); margin: 1rem auto 0; padding: 0 1.25rem; }
.flash {
  border: 1px solid var(--border-2); border-left-width: 3px;
  border-radius: 8px; padding: .7rem 1rem; margin-bottom: .6rem;
  background: var(--surface); font-size: .92rem;
}
.flash-ok  { border-left-color: var(--green); }
.flash-err { border-left-color: var(--magenta); }

/* ------------------------------------------------------------------ main --- */
.main { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }
.section { padding: 3.5rem 0; border-bottom: 1px solid var(--border); }
.section:last-child { border-bottom: 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1.6rem; flex-wrap: wrap; }

.band {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
  border-radius: var(--radius);
  padding: 2.5rem;
  border: 1px solid var(--border);
}

/* ------------------------------------------------------------------ hero --- */
.hero { padding: 4.5rem 0 3.5rem; border-bottom: 1px solid var(--border); }
.hero-inner { max-width: 780px; }
.hero h1 { font-weight: 800; margin-bottom: 1rem; }
.lede { font-size: 1.15rem; color: var(--text-2); max-width: 60ch; }
.hero-cta { display: flex; gap: .9rem; margin-top: 1.6rem; flex-wrap: wrap; }

/* --------------------------------------------------------------- buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  font-family: var(--font-body); font-weight: 500; font-size: .95rem;
  padding: .8rem 1.4rem; border-radius: 10px; border: 1px solid var(--border-2);
  color: var(--text); background: var(--elevated); cursor: pointer;
  transition: transform .12s ease, box-shadow .2s ease, background .2s ease;
  text-decoration: none; white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn-primary {
  background: linear-gradient(180deg, var(--cyan), #00b8c4);
  color: #00131a; border-color: transparent; font-weight: 600;
  box-shadow: 0 8px 30px rgba(0, 240, 255, 0.25);
}
.btn-primary:hover { box-shadow: 0 10px 40px rgba(0, 240, 255, 0.4); }
.btn-ghost { background: transparent; }
.btn-sm { padding: .5rem .9rem; font-size: .85rem; }
.btn-block { width: 100%; }

/* ----------------------------------------------------------------- grid ---- */
.grid { display: grid; gap: 1.4rem; }
.grid-cards { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }

/* ----------------------------------------------------------------- card ---- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .15s ease, border-color .2s ease, box-shadow .25s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-2);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(0, 240, 255, 0.15);
}
.card-media { position: relative; aspect-ratio: 16 / 10; background: #0b0b0b; display: block; }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.badge {
  position: absolute; top: .7rem; left: .7rem; z-index: 2;
  font-family: var(--font-mono); font-size: .62rem; letter-spacing: .16em;
  text-transform: uppercase; padding: .3rem .55rem; border-radius: 6px;
  background: rgba(0, 240, 255, 0.16); color: var(--cyan);
  border: 1px solid rgba(0, 240, 255, 0.4);
}
.card-body { padding: 1.1rem 1.15rem 1.25rem; display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.card-title { font-size: 1.05rem; margin: 0; }
.card-title a { color: var(--text); }
.card-title a:hover { color: var(--cyan); text-decoration: none; }
.card-spec { color: var(--text-2); font-size: .85rem; margin: 0; flex: 1; }
.card-foot { display: flex; align-items: center; justify-content: space-between; margin-top: .4rem; }
.price { font-family: var(--font-head); font-weight: 600; font-size: 1.1rem; }
.price-lg { font-size: 1.9rem; }

/* ----------------------------------------------------------------- split --- */
.split { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2.5rem; align-items: start; }
.ticks { list-style: none; margin: 0; padding: 0; }
.ticks li { padding: .6rem 0 .6rem 1.7rem; border-bottom: 1px solid var(--border); position: relative; color: var(--text-2); }
.ticks li::before { content: "▸"; color: var(--cyan); position: absolute; left: 0; }

.stat-row { display: flex; gap: 2rem; flex-wrap: wrap; margin: 1.4rem 0; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: var(--font-head); font-weight: 800; font-size: 1.8rem; color: var(--cyan); }
.stat-label { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--text-2); }

.cta-band { text-align: center; }
.cta-band .muted { max-width: 55ch; margin-inline: auto; }

/* -------------------------------------------------------------- filters --- */
.filters { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 1.8rem; }
.filter-search { flex: 1 1 220px; }
.filter-price { width: 110px; }
.empty { color: var(--text-2); padding: 2rem 0; }

/* ------------------------------------------------------------------ PDP ---- */
.crumbs { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 1.4rem; }
.crumbs span { margin: 0 .4rem; }
.pdp { display: grid; grid-template-columns: 1.1fr 1fr; gap: 2.5rem; }
.pdp-media img { width: 100%; border-radius: var(--radius); border: 1px solid var(--border); background: #0b0b0b; }
.pdp-thumbs { display: flex; gap: .5rem; margin-top: .6rem; }
.pdp-thumb { padding: 0; border: 1px solid var(--border-2); border-radius: 8px; overflow: hidden; background: none; cursor: pointer; width: 72px; height: 54px; }
.pdp-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pdp-info .price-lg { color: var(--cyan); margin: .4rem 0 1rem; }
.stock { font-family: var(--font-mono); font-size: .8rem; letter-spacing: .05em; }
.stock.in { color: var(--green); }
.stock.out { color: var(--magenta); }
.add-form { display: flex; align-items: flex-end; gap: .7rem; flex-wrap: wrap; margin: 1.2rem 0 1.6rem; }
.qty { display: flex; flex-direction: column; font-size: .8rem; color: var(--text-2); gap: .3rem; }
.qty input { width: 72px; }

.spec-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.spec-table th, .spec-table td { text-align: left; padding: .55rem .4rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.spec-table th { color: var(--text-2); font-weight: 400; font-family: var(--font-mono); font-size: .78rem; letter-spacing: .06em; width: 38%; }

/* ----------------------------------------------------------------- Forge --- */
.forge { display: grid; grid-template-columns: 1.3fr 1fr; gap: 2rem; align-items: start; }
.forge-form { display: flex; flex-direction: column; gap: .9rem; }
.forge-row { display: flex; flex-direction: column; gap: .35rem; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-2); }
.forge-row select { font-family: var(--font-body); font-size: .95rem; letter-spacing: normal; text-transform: none; color: var(--text); }
.forge-note { font-size: .82rem; }
.forge-summary { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem; position: sticky; top: 90px; }
.forge-summary .price-lg { color: var(--cyan); margin: .2rem 0 .6rem; }
.forge-status { font-family: var(--font-mono); font-size: .82rem; margin-bottom: 1rem; color: var(--text-2); }
.forge-status.ok { color: var(--green); }
.forge-status.bad { color: var(--magenta); }
.forge-summary .btn { width: 100%; margin-top: .8rem; }

/* ------------------------------------------------------------------ cart --- */
.cart-list { border-top: 1px solid var(--border); margin-bottom: 1.4rem; }
.cart-row { display: grid; grid-template-columns: 84px 1fr 90px 100px auto; gap: 1rem; align-items: center; padding: 1rem 0; border-bottom: 1px solid var(--border); }
.cart-thumb { width: 84px; height: 60px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); }
.cart-name { margin: 0 0 .2rem; font-weight: 500; }
.cart-name a { color: var(--text); }
.cart-qty input { width: 64px; }
.cart-price { font-family: var(--font-head); font-weight: 600; text-align: right; }
.cart-actions { margin-bottom: 2rem; }
.cart-summary { max-width: 340px; margin-left: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.3rem; }
.row { display: flex; justify-content: space-between; padding: .4rem 0; }
.row.total { border-top: 1px solid var(--border); margin-top: .4rem; padding-top: .7rem; font-family: var(--font-head); font-weight: 600; }
.tag { font-family: var(--font-mono); font-size: .6rem; letter-spacing: .12em; text-transform: uppercase; color: var(--magenta); border: 1px solid rgba(255,0,60,.4); border-radius: 5px; padding: .1rem .35rem; margin-left: .4rem; }
.pill { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; background: var(--elevated); border: 1px solid var(--border-2); border-radius: 999px; padding: .15rem .6rem; }

/* -------------------------------------------------------------- checkout --- */
.checkout { display: grid; grid-template-columns: 1.4fr 1fr; gap: 2.5rem; align-items: start; }
.order-summary { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem; position: sticky; top: 90px; }

/* ------------------------------------------------------------------ forms -- */
.form { display: flex; flex-direction: column; gap: 1rem; max-width: 460px; }
.form-wide { max-width: 720px; }
.form label { display: flex; flex-direction: column; gap: .35rem; font-size: .85rem; color: var(--text-2); }
.form input, .form select, .form textarea { color: var(--text); }
.form textarea { font-family: var(--font-mono); font-size: .82rem; resize: vertical; }
.form .check, .radio { flex-direction: row; align-items: center; gap: .5rem; color: var(--text); }
.addr { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.addr label:first-child, .addr label:nth-child(2) { grid-column: 1 / -1; }
.checkout-form { max-width: none; }

/* ------------------------------------------------------------- data table -- */
.data-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.data-table th, .data-table td { text-align: left; padding: .7rem .6rem; border-bottom: 1px solid var(--border); }
.data-table th { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-2); }
.admin-links { display: flex; gap: .6rem; flex-wrap: wrap; }

.order-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.2rem; margin-bottom: 1rem; }
.order-head { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; align-items: baseline; }
.order-head .muted span { margin-left: .4rem; }
.order-body { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: .8rem 0; }
.order-items { margin: 0; padding-left: 1.1rem; font-size: .9rem; }
.order-status { display: flex; gap: .5rem; }

/* ----------------------------------------------------------------- panel --- */
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; }
.panel-narrow { max-width: 420px; margin: 2rem auto; }
.panel-inset { background: var(--elevated); border: 1px solid var(--border); border-radius: 10px; padding: 1.2rem; margin: 1.2rem 0; }
body.plain { background: var(--ink); }

/* ---------------------------------------------------------------- footer --- */
.footer { max-width: var(--maxw); margin: 0 auto; padding: 3rem 1.25rem 4rem; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; }
.footer h4 { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--text-2); }
.footer-base { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); font-size: .82rem; }

/* ------------------------------------------------------------ responsive --- */
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: flex-start; gap: .9rem;
    background: rgba(5, 5, 5, 0.97); border-bottom: 1px solid var(--border);
    padding: 1.2rem 1.25rem;
  }
  .split, .pdp, .forge, .checkout, .order-body { grid-template-columns: 1fr; }
  .forge-summary, .order-summary { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-2, .addr { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .cart-row { grid-template-columns: 64px 1fr; grid-auto-rows: min-content; }
  .cart-thumb { width: 64px; }
  .cart-price { text-align: left; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 2.5rem 0; }
}