/* =========================================================
   Portfolio — games & browser extensions
   Bright, colourful dark theme. Each category carries its
   own accent color through icons, tags, and card stripes.
   ========================================================= */

:root {
  --bg: #1c2036;
  --bg-2: #262b47;
  --panel: #262b47;
  --panel-2: #313759;
  --border: rgba(255, 255, 255, 0.14);
  --border-strong: rgba(255, 255, 255, 0.28);
  --text: #ffffff;
  --muted: #c3c9db;
  --muted-dim: #9096ad;

  --accent: #ffcc33;         /* primary — links, focus, general accent */
  --accent-python: #ffcc33;  /* gold */
  --accent-web: #2fe6c7;     /* bright teal */
  --accent-ext: #ff6ec7;     /* hot pink */
  --accent-blue: #5aa6ff;    /* electric blue, used in gradients */

  --font-display: 'Sora', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-body: 'Rubik', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(255, 204, 51, 0.20), transparent 40%),
    radial-gradient(circle at 88% 10%, rgba(47, 230, 199, 0.20), transparent 42%),
    radial-gradient(circle at 50% 90%, rgba(255, 110, 199, 0.14), transparent 50%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: inherit; }

/* ---------------- Header ---------------- */
header {
  max-width: 900px;
  margin: 0 auto;
  padding: 64px 24px 8px;
  text-align: center;
}

header h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4.5vw, 2.5rem);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
  background: linear-gradient(90deg, var(--accent-python), var(--accent-ext) 55%, var(--accent-web));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  color: var(--muted);
  margin: 0 0 8px;
  font-size: 1rem;
}

/* ---------------- Nav ---------------- */
nav.crumbs {
  max-width: 900px;
  margin: 32px auto 0;
  padding: 0 24px;
  display: flex;
  justify-content: center;
  gap: 4px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}

nav.crumbs a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  padding: 10px 16px;
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

nav.crumbs a:hover {
  color: var(--text);
}

nav.crumbs a.active {
  color: var(--text);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

/* ---------------- Main / ad slots ---------------- */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 24px 60px;
}

.ad-slot {
  position: relative;
  border: 1px dashed var(--border-strong);
  border-radius: 8px;
  padding: 18px 16px 14px;
  text-align: center;
  margin: 40px 0;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

.ad-slot::before {
  content: "advertisement";
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted-dim);
  margin-bottom: 10px;
}

ins.adsbygoogle {
  display: block;
  width: 100%;
  min-height: 90px;
  max-height: 280px;
  overflow: hidden;
}

/* ---------------- Category hub cards ---------------- */
.categories {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.cat-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
  color: var(--text);
  overflow: hidden;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.cat-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--ring, var(--accent));
}

.cat-card:hover {
  transform: translateY(-3px);
  border-color: var(--ring, var(--accent));
  background: var(--panel-2);
  box-shadow: 0 0 0 1px var(--ring, var(--accent)), 0 10px 28px rgba(0, 0, 0, 0.35);
}

.cat-card .icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  border-radius: 50%;
  background: var(--ring, var(--accent));
  color: #14172a;
  margin-bottom: 6px;
  box-shadow: 0 0 18px color-mix(in srgb, var(--ring, var(--accent)) 55%, transparent);
}

.cat-card.python { --ring: var(--accent-python); }
.cat-card.web { --ring: var(--accent-web); }
.cat-card.ext { --ring: var(--accent-ext); }

.cat-card h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  margin: 0;
  color: var(--text);
}

.cat-card p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

.cat-card .count {
  font-family: var(--font-mono);
  color: var(--ring, var(--accent));
  font-size: 0.78rem;
  font-weight: 600;
  margin-top: 8px;
}

/* ---------------- Project cards ---------------- */
.projects {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 20px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--ring, var(--accent));
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--ring, var(--accent));
  background: var(--panel-2);
  box-shadow: 0 0 0 1px var(--ring, var(--accent)), 0 10px 28px rgba(0, 0, 0, 0.35);
}

.card h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  margin: 0 0 10px;
  color: var(--text);
}

.card p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0 0 18px;
  flex-grow: 1;
}

.card a {
  color: var(--ring, var(--accent));
  text-decoration: none;
  font-weight: 700;
  font-size: 0.88rem;
}

.card a:hover {
  text-decoration: underline;
}

/* category tag — small colored badge near top of card */
.card .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ring, var(--accent));
  background: color-mix(in srgb, var(--ring, var(--accent)) 16%, transparent);
  border-radius: 999px;
  padding: 4px 10px;
  margin-bottom: 12px;
}

body.page-python .card:not(.empty):not(.ad-card) { --ring: var(--accent-python); }
body.page-web .card:not(.empty):not(.ad-card) { --ring: var(--accent-web); }
body.page-ext .card:not(.empty):not(.ad-card) { --ring: var(--accent-ext); }

.card.empty {
  border-style: dashed;
  border-color: var(--border);
  align-items: center;
  justify-content: center;
  color: var(--muted-dim);
  text-align: center;
  font-size: 0.88rem;
}

.card.empty::before { display: none; }

.card.empty:hover {
  transform: none;
  border-color: var(--border);
  background: var(--panel);
  box-shadow: none;
}

.card.ad-card {
  border-style: dashed;
  border-color: var(--border);
  align-items: center;
  justify-content: center;
  padding: 8px 12px 4px;
}

.card.ad-card::before { display: none; }

.card.ad-card > .tag,
.card.ad-card > h2 { display: none; }

.card.ad-card::after {
  content: "advertisement";
  display: block;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted-dim);
  margin-bottom: 8px;
  order: -1;
}

.card.ad-card:hover {
  transform: none;
  border-color: var(--border);
  background: var(--panel);
  box-shadow: none;
}

/* ---------------- Footer ---------------- */
footer {
  text-align: center;
  color: var(--muted-dim);
  font-size: 0.85rem;
  padding: 24px 24px 48px;
  border-top: 1px solid var(--border);
  max-width: 900px;
  margin: 0 auto;
}

footer a {
  color: var(--muted);
}

@media (max-width: 480px) {
  header { padding: 48px 20px 8px; }
}