@import url("https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400;12..96,700;12..96,800&family=Fira+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap");

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg0-hard: #0f1011;
  --bg0:      #1d2021;
  --bg1:      #282828;
  --bg2:      #32302f;
  --bg3:      #3c3836;
  --bg4:      #504945;
  --fg0:      #fbf1c7;
  --fg1:      #ebdbb2;
  --fg2:      #d5c4a1;
  --fg3:      #bdae93;
  --fg4:      #a89984;
  --orange:   #fe8019;
  --yellow:   #fabd2f;
  --green:    #b8bb26;
  --aqua:     #8ec07c;
  --blue:     #83a598;
  --purple:   #d3869b;
  --red:      #fb4934;
  --display:  'Bricolage Grotesque', sans-serif;
  --body:     'Fira Sans', sans-serif;
  --mono:     'JetBrains Mono', monospace;
  --shadow-brick: 6px 6px 0 var(--bg0-hard);
}

html, body { height: 100%; }

body {
  margin: 0;
  overflow-y: scroll;
  font-family: var(--body);
  background-color: var(--bg0);
  background-image:
    radial-gradient(ellipse 70% 50% at 20% 0%, rgba(254,128,25,.09), transparent 55%),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(142,192,124,.07), transparent 55%);
  color: var(--fg1);
  min-height: 100vh;
}

body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: .04;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.9'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
}

/* ── HEADER ── */
.header {
  padding: 48px 5vw 40px;
  border-bottom: 2px solid var(--bg3);
  position: relative; z-index: 1;
}

.header-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 14px; border-radius: 999px;
  background: rgba(254,128,25,.10); border: 1px solid rgba(254,128,25,.28);
  color: var(--orange); font-size: 11px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  margin-bottom: 16px;
}

.header h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 800; letter-spacing: -.04em; line-height: .95;
  background: linear-gradient(110deg, var(--fg0), var(--yellow), var(--orange));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 14px;
}

.header-desc {
  font-size: 15px; color: var(--fg3); line-height: 1.7;
  max-width: 620px; margin-bottom: 28px;
}

.controls {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}

.control-group {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 18px; border-radius: 12px;
  background: var(--bg1); border: 2px solid var(--bg3);
  font-size: 13px; font-weight: 600; color: var(--fg2);
}

.control-group label { display: flex; align-items: center; gap: 10px; cursor: pointer; }

.control-group input[type="color"] {
  width: 36px; height: 36px; border-radius: 8px;
  border: 2px solid var(--bg4); cursor: pointer;
  background: none; padding: 0;
}

.control-group input[type="checkbox"] {
  width: 18px; height: 18px; cursor: pointer;
  accent-color: var(--orange);
}

.scheme-count {
  font-family: var(--mono); font-size: 12px; color: var(--fg4);
  margin-left: auto;
}

/* ── SCHEMES GRID ── */
#schemes {
  padding: 36px 5vw 80px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative; z-index: 1;
}

.scheme {
  border-radius: 16px;
  overflow: hidden;
  border: 2px solid var(--bg3);
  box-shadow: var(--shadow-brick);
  background: var(--bg1);
  transition: transform .2s, box-shadow .2s;
}

.scheme:hover {
  transform: translate(-2px,-2px);
  box-shadow: 8px 8px 0 var(--bg0-hard);
  border-color: rgba(254,128,25,.4);
}

.scheme-name {
  padding: 10px 14px;
  background: var(--bg2);
  border-bottom: 1px solid var(--bg3);
  font-family: var(--display);
  font-size: 12px; font-weight: 700;
  color: var(--fg2); letter-spacing: .02em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.swatch {
  position: relative;
  height: 60px;
  cursor: pointer;
  transition: height .15s;
}

.scheme:hover .swatch { height: 68px; }

.copy-swatch {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  background: rgba(0,0,0,.0);
  border: none; cursor: pointer;
  opacity: 0; transition: opacity .15s, background .15s;
  color: #fff;
}

.swatch:hover .copy-swatch {
  opacity: 1;
  background: rgba(0,0,0,.32);
}

.copy-swatch svg { filter: drop-shadow(0 1px 2px rgba(0,0,0,.6)); }
.copy-swatch.copied { opacity: 1; background: rgba(0,0,0,.32); }
.copy-swatch.copied svg { display: none; }
.copy-swatch.copied::after { content: "✓"; font-size: 18px; font-weight: 900; color: #fff; }

/* ── EMPTY STATE ── */
.empty-state {
  grid-column: 1 / -1;
  text-align: center; padding: 80px 20px;
  color: var(--fg4); font-size: 15px;
}
.empty-state h3 {
  font-family: var(--display); font-size: 1.5rem;
  color: var(--fg2); margin-bottom: 8px;
}

@media (max-width: 1200px) { #schemes { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 900px)  { #schemes { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px)  { #schemes { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 400px)  { #schemes { grid-template-columns: 1fr; } }