/* ===== Krug Apps — bright, modern showcase ===== */
:root {
  --bg: #f7f8fc;
  --bg-2: #eef1fb;
  --ink: #0f1222;
  --ink-soft: #515675;
  --ink-faint: #8a8fae;
  --card: #ffffff;
  --line: #e7e9f5;
  --line-strong: #d6d9ec;
  --brand: #6366f1;
  --brand-2: #8b5cf6;
  --brand-3: #ec4899;
  --accent: #06b6d4;
  --shadow-sm: 0 1px 2px rgba(20, 22, 50, .04), 0 2px 8px rgba(20, 22, 50, .05);
  --shadow-md: 0 6px 18px rgba(30, 30, 80, .08), 0 2px 6px rgba(30, 30, 80, .05);
  --shadow-lg: 0 22px 50px -16px rgba(60, 50, 130, .28);
  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1180px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --display: 'Space Grotesk', var(--font);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }

/* Ambient gradient mesh */
.bg-mesh {
  position: fixed;
  inset: -20% -10% auto -10%;
  height: 90vh;
  z-index: -1;
  background:
    radial-gradient(42% 55% at 18% 12%, rgba(99,102,241,.22), transparent 60%),
    radial-gradient(40% 50% at 82% 8%, rgba(236,72,153,.16), transparent 62%),
    radial-gradient(46% 60% at 60% 30%, rgba(6,182,212,.14), transparent 60%);
  filter: blur(8px);
  pointer-events: none;
}

/* ===== Header ===== */
.site-header {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: -.02em;
}
.brand-mark {
  width: 30px; height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2) 55%, var(--brand-3));
  box-shadow: 0 4px 14px rgba(99,102,241,.4), inset 0 1px 1px rgba(255,255,255,.5);
  position: relative;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 8px;
  border-radius: 4px;
  background: rgba(255,255,255,.92);
}
.brand-dot { color: var(--brand); }
.header-links { display: flex; gap: 26px; font-weight: 500; font-size: .95rem; color: var(--ink-soft); }
.header-links a { transition: color .15s; }
.header-links a:hover { color: var(--brand); }

/* ===== Hero ===== */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 46px 24px 30px;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--ink-soft);
  background: rgba(255,255,255,.7);
  border: 1px solid var(--line);
  padding: 6px 13px;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
}
.pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 0 rgba(34,197,94,.5);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34,197,94,.5); }
  70% { box-shadow: 0 0 0 9px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}
.hero-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 4.3rem);
  line-height: 1.02;
  letter-spacing: -.035em;
  margin: 20px 0 0;
}
.grad-text {
  background: linear-gradient(100deg, var(--brand) 5%, var(--brand-2) 45%, var(--brand-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 540px;
  margin: 18px auto 0;
  line-height: 1.5;
}

/* ===== Search ===== */
.search-wrap {
  position: relative;
  max-width: 520px;
  margin: 30px auto 0;
}
.search-icon {
  position: absolute;
  left: 18px; top: 50%;
  transform: translateY(-50%);
  width: 20px; height: 20px;
  color: var(--ink-faint);
  pointer-events: none;
}
#search {
  width: 100%;
  font-family: var(--font);
  font-size: 1.05rem;
  color: var(--ink);
  padding: 16px 18px 16px 50px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255,255,255,.85);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
  outline: none;
  transition: border-color .18s, box-shadow .18s;
}
#search::placeholder { color: var(--ink-faint); }
#search:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(99,102,241,.14), var(--shadow-md);
}
.search-kbd {
  position: absolute;
  right: 16px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--font);
  font-size: .8rem;
  font-weight: 600;
  color: var(--ink-faint);
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  padding: 3px 9px;
}
#search:focus + .search-kbd { opacity: 0; }

/* ===== Filters ===== */
.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin: 26px auto 0;
  max-width: 760px;
}
.chip {
  font-family: var(--font);
  font-size: .9rem;
  font-weight: 500;
  color: var(--ink-soft);
  background: rgba(255,255,255,.7);
  border: 1px solid var(--line);
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: all .15s;
  box-shadow: var(--shadow-sm);
}
.chip:hover { color: var(--ink); border-color: var(--line-strong); transform: translateY(-1px); }
.chip.active {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(99,102,241,.32);
}
.chip-count { opacity: .65; margin-left: 5px; font-variant-numeric: tabular-nums; }

/* ===== Grid ===== */
.grid-wrap { max-width: var(--maxw); margin: 0 auto; padding: 38px 24px 40px; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(296px, 1fr));
  gap: 22px;
}
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .2s cubic-bezier(.2,.8,.2,1), box-shadow .2s, border-color .2s;
  animation: rise .45s both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--line-strong);
}
.card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
/* Cover screenshot overlays the gradient fallback; onerror reveals the gradient underneath. */
.card-cover .cover-img {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.cover-fallback {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.cover-fallback .monogram {
  font-family: var(--display);
  font-weight: 700;
  font-size: 2.7rem;
  color: rgba(255,255,255,.96);
  letter-spacing: -.03em;
  text-shadow: 0 2px 14px rgba(0,0,0,.18);
  z-index: 1;
}
.cover-fallback::after {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.16) 1px, transparent 1.4px);
  background-size: 16px 16px;
  opacity: .5;
}
.card-type {
  position: absolute;
  top: 12px; left: 12px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(15,18,34,.42);
  border: 1px solid rgba(255,255,255,.22);
  padding: 4px 9px;
  border-radius: 7px;
  backdrop-filter: blur(6px);
}
.card-body { padding: 17px 18px 16px; display: flex; flex-direction: column; flex: 1; }
.card-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.16rem;
  letter-spacing: -.02em;
  margin: 0;
}
.card-desc {
  font-size: .92rem;
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 8px 0 0;
  flex: 1;
}
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.tag {
  font-size: .76rem;
  font-weight: 500;
  color: var(--ink-faint);
  background: var(--bg-2);
  padding: 3px 9px;
  border-radius: 6px;
}
.card-actions { display: flex; gap: 9px; margin-top: 16px; }
.btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-size: .9rem;
  font-weight: 600;
  padding: 10px 12px;
  border-radius: 11px;
  transition: all .15s;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn svg { width: 15px; height: 15px; }
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 5px 14px rgba(99,102,241,.3);
}
.btn-primary:hover { filter: brightness(1.06); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(99,102,241,.38); }
.btn-secondary {
  flex: 0 0 auto;
  color: var(--ink-soft);
  background: var(--bg-2);
  border-color: var(--line);
}
.btn-secondary:hover { color: var(--ink); border-color: var(--line-strong); }

/* ===== Empty state ===== */
.empty { text-align: center; padding: 60px 20px; color: var(--ink-soft); }
.empty-glyph { font-size: 2.4rem; }
.empty p { margin: 12px 0 18px; font-size: 1.05rem; }
.btn-ghost {
  font-family: var(--font);
  font-size: .92rem;
  font-weight: 600;
  color: var(--brand);
  background: rgba(99,102,241,.08);
  border: 1px solid rgba(99,102,241,.2);
  padding: 9px 18px;
  border-radius: 10px;
  cursor: pointer;
  transition: background .15s;
}
.btn-ghost:hover { background: rgba(99,102,241,.14); }

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 30px;
  background: rgba(255,255,255,.5);
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .9rem;
  color: var(--ink-soft);
}
.footer-count { font-weight: 600; color: var(--ink); }
.footer-meta a { color: var(--brand); font-weight: 500; }
.footer-meta a:hover { text-decoration: underline; }

@media (max-width: 560px) {
  .header-links { gap: 16px; }
  .hero { padding-top: 30px; }
  .grid { grid-template-columns: 1fr; }
}

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