/* ==========================================================================
   Studio Creative — Design tokens
   Palette: paper white / ink / blueprint blue, with green + amber utility accents
   Type: Space Grotesk (display) + IBM Plex Sans (body) + IBM Plex Mono (data/utility)
   ========================================================================== */

:root {
  --paper: #F6F7F5;
  --surface: #FFFFFF;
  --ink: #1B1F23;
  --ink-soft: #4B5560;
  --line: #D8DCE1;
  --line-soft: #E9EBEE;
  --blue: #2451C4;
  --blue-deep: #16327F;
  --blue-pale: #E7EDFB;
  --green: #16794F;
  --green-pale: #E4F3EC;
  --amber: #B8790A;
  --amber-pale: #FBF0DD;

  --font-display: "Space Grotesk", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --radius: 4px;
  --max-width: 1180px;
}

* { box-sizing: border-box; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

a { color: var(--blue); }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* ---------------- Masthead ---------------- */

.masthead {
  border-bottom: 1px solid var(--ink);
  background:
    linear-gradient(var(--paper), var(--paper)),
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 88px);
}

.masthead-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 32px 28px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
}

.logo-img {
  height: 56px;
  width: auto;
  display: block;
  margin-bottom: 4px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blue);
  margin: 0 0 6px;
  text-transform: uppercase;
}

.masthead h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 5vw, 48px);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.subhead {
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
  max-width: 46ch;
}

.masthead-stats {
  display: flex;
  gap: 28px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  border-left: 1px solid var(--line);
  padding-left: 18px;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--ink);
}

.stat-label {
  font-size: 12px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

@media (max-width: 720px) {
  .masthead-inner { grid-template-columns: 1fr; }
  .masthead-stats { justify-content: flex-start; border-top: 1px solid var(--line); padding-top: 16px; }
}

/* ---------------- Controls ---------------- */

.controls {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(246, 247, 245, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.controls-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: end;
}

.search-field { flex: 1 1 260px; }
.select-field { flex: 0 0 auto; min-width: 180px; }

.search-field label, .select-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

#search, #category-select, #sort-select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 14px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
}

#search:focus, #category-select:focus, #sort-select:focus {
  border-color: var(--blue);
}

.clear-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 14px;
  color: var(--ink-soft);
  cursor: pointer;
  align-self: end;
}

.clear-btn:hover { border-color: var(--ink); color: var(--ink); }

/* ---------------- Category strip ---------------- */

.category-strip {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 32px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  font-family: var(--font-mono);
  font-size: 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  background: var(--surface);
  color: var(--ink-soft);
  cursor: pointer;
}

.chip:hover { border-color: var(--blue); color: var(--blue); }

.chip.active {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

/* ---------------- Results ---------------- */

.results {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 32px 64px;
}

.results-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  margin: 0 0 16px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover, .card:focus-visible {
  border-color: var(--blue);
  transform: translateY(-1px);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.card-code {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--blue-deep);
  background: var(--blue-pale);
  border-radius: 3px;
  padding: 3px 7px;
  white-space: nowrap;
}

.card-code[data-cat="FR"] { color: var(--green); background: var(--green-pale); }
.card-code[data-cat="GN"] { color: var(--ink-soft); background: var(--line-soft); }

.card-stars {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--amber);
  background: var(--amber-pale);
  border-radius: 3px;
  padding: 3px 7px;
  white-space: nowrap;
}

.card-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  line-height: 1.3;
  margin: 0;
  color: var(--ink);
}

.card-desc {
  font-size: 13.5px;
  color: var(--ink-soft);
  margin: 0;
  flex: 1;
}

.card-foot {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line-soft);
  padding-top: 8px;
  margin-top: 4px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.empty-state {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-soft);
  padding: 40px 0;
  text-align: center;
}

.load-more {
  display: block;
  margin: 28px auto 0;
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--surface);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  padding: 12px 22px;
  cursor: pointer;
  color: var(--ink);
}

.load-more:hover { background: var(--ink); color: #fff; }

/* ---------------- Footer ---------------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 32px 40px;
}

.site-footer p {
  max-width: var(--max-width);
  margin: 0 auto;
  font-size: 12px;
  color: var(--ink-soft);
}