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

:root {
  --bg: #0c0c0f;
  --bg2: #131318;
  --bg3: #1a1a22;
  --border: rgba(255,255,255,0.08);
  --border2: rgba(255,255,255,0.15);
  --text1: #f0f0f8;
  --text2: #8888a0;
  --text3: #444458;
  --accent: #e8e8ff;
  --font-display: 'Nunito', sans-serif;
  --font-heading: 'Fredoka', sans-serif;
  --font-mono: 'Space Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text1);
  font-family: var(--font-display);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Noise overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.5;
}

/* Header */
header {
  padding: 28px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(12,12,15,0.92);
  backdrop-filter: blur(20px);
  z-index: 100;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.5px;
  font-family: var(--font-heading);
  color: var(--text1);
}
.logo span { color: var(--text2); font-weight: 400; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.btn {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: 8px;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--text2);
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.3px;
}
.btn:hover { background: var(--bg3); color: var(--text1); border-color: rgba(255,255,255,0.25); }
.btn.primary {
  background: var(--text1);
  color: var(--bg);
  border-color: var(--text1);
  font-weight: 600;
}
.btn.primary:hover { background: #d0d0ee; transform: translateY(-1px); }

/* Main */
main { padding: 48px 40px; max-width: 1200px; margin: 0 auto; }

/* Controls */
.controls {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
  margin-bottom: 48px;
  padding: 32px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  animation: fadeUp 0.5s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.controls-left { display: flex; flex-direction: column; gap: 20px; }

.control-row {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.control-group { display: flex; flex-direction: column; gap: 8px; }
.control-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text3);
}

/* Color picker */
.color-pick-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 14px;
  transition: border-color 0.2s;
  cursor: pointer;
}
.color-pick-wrap:hover { border-color: var(--border2); }

.color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.15);
  cursor: pointer;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.color-swatch:hover { transform: scale(1.1); }

input[type="color"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.hex-input {
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text1);
  width: 80px;
  letter-spacing: 1px;
}

/* Mode pills */
.mode-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.pill {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text2);
  cursor: pointer;
  transition: all 0.18s;
  letter-spacing: 0.2px;
}
.pill:hover { border-color: var(--border2); color: var(--text1); }
.pill.active {
  background: var(--text1);
  color: var(--bg);
  border-color: var(--text1);
  font-weight: 600;
}

/* Color count */
.count-btns {
  display: flex;
  align-items: center;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.count-btn {
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  color: var(--text2);
  font-size: 18px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font-heading);
  display: flex;
  align-items: center;
  justify-content: center;
}
.count-btn:hover { background: var(--border); color: var(--text1); }

.count-val {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text1);
  min-width: 28px;
  text-align: center;
}

/* Generate button */
.gen-btn {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  padding: 16px 32px;
  border-radius: 12px;
  border: none;
  background: var(--text1);
  color: var(--bg);
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.3px;
  white-space: nowrap;
  align-self: end;
}
.gen-btn:hover { background: #d8d8f8; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(200,200,255,0.15); }
.gen-btn:active { transform: translateY(0); }

/* Section headers */
.palette-section { animation: fadeUp 0.5s 0.1s ease both; }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text3);
  font-family: var(--font-heading);
}

.palette-name {
  font-size: 13px;
  color: var(--text2);
  font-family: var(--font-mono);
}

/* Palette strips */
.palette-strips {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
}

.palette-row {
  display: flex;
  border-radius: 14px;
  overflow: hidden;
  height: 100px;
  border: 1px solid var(--border);
  transition: height 0.3s ease;
  position: relative;
}
.palette-row:hover { height: 130px; }

.color-strip {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 12px 8px;
  cursor: pointer;
  position: relative;
  transition: flex 0.3s ease;
  overflow: hidden;
}
.color-strip:hover { flex: 1.4; }

.strip-info {
  opacity: 0;
  transform: translateY(6px);
  transition: all 0.2s;
  text-align: center;
  pointer-events: none;
}
.color-strip:hover .strip-info { opacity: 1; transform: translateY(0); }

.strip-hex {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  background: rgba(0,0,0,0.35);
  padding: 4px 8px;
  border-radius: 4px;
  backdrop-filter: blur(4px);
  white-space: nowrap;
}

.copy-flash {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.2);
  opacity: 0;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
}
.copy-flash.show {
  animation: flash 0.5s ease forwards;
}
@keyframes flash {
  0%   { opacity: 0; }
  30%  { opacity: 1; }
  100% { opacity: 0; }
}

/* Cards view */
.palette-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 40px;
}

.color-card {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg2);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  animation: cardIn 0.4s ease both;
}
@keyframes cardIn {
  from { opacity: 0; transform: scale(0.94) translateY(10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.color-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.4); }

.card-swatch { height: 100px; width: 100%; transition: height 0.2s; }
.color-card:hover .card-swatch { height: 120px; }

.card-body { padding: 12px; }

.card-hex {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text1);
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.card-name {
  font-size: 11px;
  color: var(--text3);
  font-weight: 500;
  letter-spacing: 0.3px;
}
.card-vals {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.card-val {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text3);
}

/* Export panel */
.export-section {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  margin-top: 32px;
  animation: fadeUp 0.5s 0.2s ease both;
}

.export-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 20px;
  font-family: var(--font-heading);
}

.export-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.export-tab {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  background: transparent;
  border: none;
  color: var(--text3);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.15s;
  letter-spacing: 0.3px;
}
.export-tab.active { color: var(--text1); border-bottom-color: var(--text1); }
.export-tab:hover:not(.active) { color: var(--text2); }

.export-code {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--text2);
  position: relative;
  overflow-x: auto;
  white-space: pre;
}

.copy-code-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border2);
  background: var(--bg2);
  color: var(--text2);
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.5px;
}
.copy-code-btn:hover { color: var(--text1); border-color: rgba(255,255,255,0.3); }

/* Toast */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: var(--text1);
  color: var(--bg);
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-heading);
  padding: 12px 20px;
  border-radius: 10px;
  z-index: 9999;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.25s;
  pointer-events: none;
  letter-spacing: 0.3px;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* View toggle */
.view-toggle {
  display: flex;
  gap: 4px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px;
}

.view-btn {
  width: 30px;
  height: 28px;
  background: transparent;
  border: none;
  border-radius: 6px;
  color: var(--text3);
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.view-btn.active { background: var(--bg2); color: var(--text1); }

/* Tints section */
.tints-section { margin-top: 32px; animation: fadeUp 0.5s 0.15s ease both; }

.tints-strip {
  display: flex;
  border-radius: 12px;
  overflow: hidden;
  height: 52px;
  border: 1px solid var(--border);
  margin-top: 12px;
}

.tint-cell {
  flex: 1;
  cursor: pointer;
  position: relative;
  transition: flex 0.2s;
}
.tint-cell:hover { flex: 1.5; }

.tint-label {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 9px;
  opacity: 0;
  transition: opacity 0.2s;
  white-space: nowrap;
  background: rgba(0,0,0,0.4);
  padding: 2px 5px;
  border-radius: 3px;
}
.tint-cell:hover .tint-label { opacity: 1; }

/* Saved palettes */
.saved-section { margin-top: 40px; animation: fadeUp 0.5s 0.25s ease both; }

.saved-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.saved-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--bg2);
}
.saved-item:hover { border-color: var(--border2); transform: translateY(-2px); }

.saved-strip { display: flex; height: 40px; }
.saved-seg { flex: 1; }

.saved-label {
  padding: 8px 12px;
  font-size: 11px;
  color: var(--text3);
  font-family: var(--font-mono);
}

.empty-saved {
  color: var(--text3);
  font-size: 13px;
  font-family: var(--font-mono);
  padding: 20px 0;
}

/* Responsive */
@media (max-width: 768px) {
  header { padding: 20px; }
  main { padding: 28px 20px; }
  .controls { grid-template-columns: 1fr; gap: 20px; padding: 24px; }
  .gen-btn { width: 100%; }
  .palette-cards { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
}