/* ==========================================================================
   CodeMart design system
   Palette: blueprint navy on cool paper, cyan for extended licences,
   amber only for ratings. Type: Space Grotesk display / Inter body /
   IBM Plex Mono for anything a developer reads as data.
   ========================================================================== */
:root{
  --paper:#EEF1F6; --card:#FFFFFF; --ink:#12203A; --muted:#6B7A92;
  --line:#D7DEE9; --blue:#1F3D99; --blue-d:#162E75; --cyan:#00A6A6;
  --amber:#F2A900; --ok:#0E7C57; --err:#B3261E;
  --display:'Space Grotesk','Segoe UI',system-ui,sans-serif;
  --body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --mono:'IBM Plex Mono','SFMono-Regular',Consolas,monospace;
  --r:4px; --shadow:0 1px 2px rgba(18,32,58,.06),0 8px 24px rgba(18,32,58,.06);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.6}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--display);line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(28px,6vw,44px);font-weight:700}
h2{font-size:clamp(21px,4vw,30px);font-weight:600}
h3{font-size:18px;font-weight:600}
p{margin:0 0 1em}
code,kbd,.mono{font-family:var(--mono);font-size:.86em}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.wrap{width:100%;max-width:1140px;margin:0 auto;padding:0 16px}
.stack>*+*{margin-top:16px}
.muted{color:var(--muted)}
.center{text-align:center}
.hide-sm{display:none}
@media(min-width:820px){.hide-sm{display:block}}

/* ---- eyebrow / labels: uppercase mono, used to label real data ---------- */
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

/* ---- header ------------------------------------------------------------ */
.topbar{background:var(--ink);color:#cdd7e6;font-size:12.5px;padding:7px 0}
.topbar a{color:#fff}
.header{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.header-in{display:flex;align-items:center;gap:14px;height:60px}
.logo{font-family:var(--display);font-weight:700;font-size:19px;color:var(--ink);letter-spacing:-.03em;white-space:nowrap}
.logo span{color:var(--blue)}
.nav{display:none;gap:20px;margin-left:12px}
.nav a{color:var(--ink);font-size:14px;font-weight:500}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.searchbar{display:none;flex:1;max-width:380px}
.searchbar input{width:100%}
.cart-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r);color:var(--ink)}
.cart-count{position:absolute;top:-6px;right:-6px;background:var(--blue);color:#fff;font-size:11px;font-weight:700;min-width:18px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 5px}
.menu-toggle{background:none;border:1px solid var(--line);border-radius:var(--r);width:38px;height:38px;font-size:17px;cursor:pointer;color:var(--ink)}
.mobile-nav{display:none;border-top:1px solid var(--line);background:var(--card);padding:10px 0}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:10px 16px;color:var(--ink);border-bottom:1px solid var(--line)}
@media(min-width:900px){.nav{display:flex}.searchbar{display:block}.menu-toggle{display:none}}

/* ---- buttons ----------------------------------------------------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:var(--r);
  font-family:var(--display);font-weight:600;font-size:14.5px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:.15s}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-d)}
.btn-cyan{background:var(--cyan);color:#fff}
.btn-cyan:hover{filter:brightness(.92)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-danger{background:var(--err);color:#fff}
.btn-block{width:100%}
.btn-sm{padding:7px 12px;font-size:13px}
.btn[disabled]{opacity:.55;cursor:not-allowed}

/* ---- forms ------------------------------------------------------------- */
label{display:block;font-size:13px;font-weight:600;margin-bottom:5px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],input[type=date],input[type=tel],select,textarea{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r);background:#fff;color:var(--ink);
  font-family:var(--body);font-size:14.5px}
textarea{min-height:110px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px rgba(31,61,153,.12)}
.field+.field{margin-top:14px}
.hint{font-size:12.5px;color:var(--muted);margin-top:4px}
.grid-2{display:grid;gap:14px}
@media(min-width:700px){.grid-2{grid-template-columns:1fr 1fr}}
.checkline{display:flex;align-items:center;gap:8px;font-size:14px}
.checkline input{width:auto}

/* ---- cards / surfaces --------------------------------------------------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.card-flush{padding:0;overflow:hidden}
.section{padding:44px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:20px}

/* ---- hero: blueprint grid, the one atmospheric moment ------------------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:56px 0 48px}
.hero::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:32px 32px;mask-image:radial-gradient(ellipse at 30% 0%,#000 30%,transparent 78%)}
.hero>*{position:relative}
.hero h1{color:#fff;max-width:16ch}
.hero p{color:#b9c6da;max-width:52ch;font-size:16px}
.hero .eyebrow{color:var(--cyan)}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12)}
.hero-stats b{font-family:var(--display);font-size:22px;display:block}
.hero-stats span{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#8fa1bd}

/* ---- SIGNATURE: the spec strip ------------------------------------------
   A monospace datasheet row. Same component on cards and product pages, so
   a buyer learns to read it once. Each cell is a real fact, never filler.  */
.spec{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--line);border-radius:var(--r);background:#fff;overflow:hidden}
.spec div{flex:1 1 120px;padding:9px 12px;border-right:1px solid var(--line);min-width:0}
.spec div:last-child{border-right:0}
.spec dt{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 2px}
.spec dd{margin:0;font-family:var(--mono);font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.spec-dark{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.16)}
.spec-dark div{border-color:rgba(255,255,255,.16)}
.spec-dark dd{color:#fff}
.spec-dark dt{color:#8fa1bd}

/* ---- product grid ------------------------------------------------------- */
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.pcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:.15s}
.pcard:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.pcard-img{aspect-ratio:16/10;background:#dde4ee;overflow:hidden}
.pcard-img img{width:100%;height:100%;object-fit:cover}
.pcard-body{padding:14px;display:flex;flex-direction:column;flex:1}
.pcard h3{font-size:16px;margin-bottom:6px}
.pcard h3 a{color:var(--ink)}
.pcard .desc{font-size:13.5px;color:var(--muted);margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pcard-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:12px;border-top:1px solid var(--line)}
.price{font-family:var(--display);font-weight:700;font-size:19px}
.price s{font-family:var(--body);font-weight:400;font-size:13px;color:var(--muted);margin-right:6px}
.tag{display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  padding:3px 7px;border-radius:2px;background:#e6ebf4;color:var(--blue)}
.tag-cyan{background:#dff4f4;color:#046b6b}
.tag-amber{background:#fdf0d3;color:#8a6100}
.tag-ok{background:#dcf0e8;color:var(--ok)}
.tag-err{background:#fbe3e1;color:var(--err)}
.stars{color:var(--amber);font-size:13px;letter-spacing:1px}

/* ---- product page ------------------------------------------------------- */
.layout{display:grid;gap:22px}
@media(min-width:960px){.layout{grid-template-columns:1fr 330px;align-items:start}}
.gallery{background:#0d1729;border-radius:var(--r);overflow:hidden}
.gallery img{width:100%}
.thumbs{display:flex;gap:8px;overflow-x:auto;padding:10px;background:#0d1729}
.thumbs img{width:78px;height:52px;object-fit:cover;opacity:.55;cursor:pointer;border-radius:2px}
.thumbs img.active,.thumbs img:hover{opacity:1;outline:2px solid var(--cyan)}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);overflow-x:auto}
.tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:12px 14px;font-family:var(--display);
  font-weight:600;font-size:14px;color:var(--muted);cursor:pointer;white-space:nowrap}
.tabs button.active{color:var(--ink);border-bottom-color:var(--blue)}
.tabpanel{display:none;padding-top:20px}
.tabpanel.active{display:block}
.buybox{position:sticky;top:76px}
.licence{display:block;border:1px solid var(--line);border-radius:var(--r);padding:13px;margin-bottom:10px;cursor:pointer}
.licence.sel{border-color:var(--blue);background:#f5f7fc;box-shadow:0 0 0 1px var(--blue) inset}
.licence-top{display:flex;justify-content:space-between;align-items:center;gap:8px;font-weight:600}
.licence small{display:block;color:var(--muted);font-weight:400;font-size:12.5px;margin-top:4px}
.feature-list{list-style:none;padding:0;margin:0}
.feature-list li{padding:7px 0 7px 24px;position:relative;border-bottom:1px dashed var(--line);font-size:14px}
.feature-list li::before{content:"→";position:absolute;left:0;color:var(--cyan);font-family:var(--mono)}

/* ---- changelog: a real sequence, so version markers earn their place ---- */
.changelog{list-style:none;padding:0;margin:0}
.changelog li{border-left:2px solid var(--line);padding:0 0 22px 18px;position:relative}
.changelog li:last-child{padding-bottom:0}
.changelog li::before{content:"";position:absolute;left:-5px;top:6px;width:8px;height:8px;background:var(--blue);border-radius:50%}
.changelog .v{font-family:var(--mono);font-weight:600;font-size:14px}
.changelog .d{font-family:var(--mono);font-size:11.5px;color:var(--muted);margin-left:8px}
.changelog pre{white-space:pre-wrap;font-family:var(--body);font-size:14px;margin:6px 0 0;color:#33415c}

/* ---- tables ------------------------------------------------------------- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.data{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
table.data th{text-align:left;font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
table.data td{padding:12px;border-bottom:1px solid var(--line);vertical-align:middle}
table.data tr:last-child td{border-bottom:0}

/* ---- alerts ------------------------------------------------------------- */
.alert{padding:12px 14px;border-radius:var(--r);font-size:14px;border:1px solid;margin-bottom:14px}
.alert-success{background:#e7f5ef;border-color:#b6ded0;color:#0b5f43}
.alert-error{background:#fceceb;border-color:#f0c4c0;color:#8f1e17}
.alert-info{background:#e8edf8;border-color:#c4d1ec;color:#1d3372}

/* ---- purchase code chip ------------------------------------------------- */
.code-chip{display:flex;align-items:center;gap:8px;background:#f2f5fa;border:1px dashed var(--line);border-radius:var(--r);padding:8px 10px}
.code-chip code{flex:1;word-break:break-all;font-size:12px}

/* ---- footer ------------------------------------------------------------- */
.footer{background:var(--ink);color:#9fb0c9;margin-top:50px;padding:40px 0 22px;font-size:14px}
.footer h4{color:#fff;font-size:13px;font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;font-weight:500}
.footer a{color:#9fb0c9;display:block;padding:4px 0}
.footer a:hover{color:#fff}
.footer-grid{display:grid;gap:26px;grid-template-columns:1fr}
@media(min-width:760px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1.4fr}}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:16px;display:flex;flex-wrap:wrap;
  gap:10px;justify-content:space-between;font-size:12.5px}
.pay-note{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:#8fa1bd}

/* ---- account / admin shells --------------------------------------------- */
.side-layout{display:grid;gap:20px}
@media(min-width:900px){.side-layout{grid-template-columns:220px 1fr;align-items:start}}
.sidenav{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.sidenav a{display:block;padding:11px 14px;color:var(--ink);font-size:14px;border-bottom:1px solid var(--line)}
.sidenav a:last-child{border-bottom:0}
.sidenav a.active{background:#f2f5fc;color:var(--blue);font-weight:600;box-shadow:3px 0 0 var(--blue) inset}
.stat-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.stat b{display:block;font-family:var(--display);font-size:26px;line-height:1.1;margin-top:4px}
.empty{text-align:center;padding:48px 20px;color:var(--muted)}
.empty h3{color:var(--ink)}

@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{.header,.footer,.topbar,.no-print{display:none!important}body{background:#fff}}