@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap');

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

body, html {
  height: 100%;
  font-family: 'Outfit', sans-serif;
  background: #0a0a1a;
  color: #e0e0f0;
  overflow-x: hidden;
}

#aurora {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

.app {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 30px 20px 60px;
}

header {
  text-align: center;
  margin-bottom: 30px;
}

h1 {
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 700;
  background: linear-gradient(135deg, #ff6bca, #7b68ee, #00d4ff, #50fa7b);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease infinite;
  letter-spacing: -1px;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.subtitle {
  font-size: 0.95rem;
  font-weight: 300;
  color: rgba(200, 200, 255, 0.6);
  margin-top: 6px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.harmony-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.harmony-btn {
  padding: 8px 18px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: rgba(200,200,255,0.7);
  border-radius: 30px;
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 400;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.harmony-btn:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: rgba(255,255,255,0.3);
  transform: translateY(-1px);
}

.harmony-btn.active {
  background: linear-gradient(135deg, rgba(123,104,238,0.4), rgba(0,212,255,0.3));
  color: #fff;
  border-color: rgba(123,104,238,0.6);
  box-shadow: 0 0 20px rgba(123,104,238,0.2);
}

.action-buttons {
  display: flex;
  gap: 12px;
}

.generate-btn, .random-btn {
  padding: 10px 24px;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.generate-btn {
  background: linear-gradient(135deg, #7b68ee, #00d4ff);
  color: #fff;
  box-shadow: 0 4px 20px rgba(123,104,238,0.3);
}

.generate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(123,104,238,0.5);
}

.random-btn {
  background: linear-gradient(135deg, #ff6bca, #ff8a50);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,107,202,0.3);
}

.random-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(255,107,202,0.5);
}

.btn-icon {
  margin-right: 4px;
}

.hue-wheel-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 30px;
  position: relative;
}

#hueWheel {
  cursor: crosshair;
  border-radius: 50%;
  box-shadow: 0 0 30px rgba(123,104,238,0.15);
}

.hue-indicator {
  position: absolute;
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 8px rgba(0,0,0,0.5);
  pointer-events: none;
  transform: translate(-50%, -50%);
  top: 90px; left: 50%;
  transition: background 0.2s;
}

.hue-label {
  margin-top: 12px;
  font-size: 0.9rem;
  color: rgba(200,200,255,0.5);
  font-weight: 300;
}

.palette-container {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
  perspective: 1000px;
}

.color-swatch {
  width: 130px;
  height: 180px;
  border-radius: 16px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  animation: swatchAppear 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  opacity: 0;
  transform: translateY(30px) rotateY(-10deg);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.color-swatch:hover {
  transform: translateY(-8px) rotateY(0deg) scale(1.05);
  box-shadow: 0 16px 50px rgba(0,0,0,0.4);
  z-index: 10;
}

@keyframes swatchAppear {
  to {
    opacity: 1;
    transform: translateY(0) rotateY(0);
  }
}

.swatch-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 12px;
}

.swatch-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.swatch-particle {
  position: absolute;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  animation: floatUp 3s ease-in-out infinite;
}

@keyframes floatUp {
  0% { transform: translateY(100%) scale(0); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateY(-20px) scale(1); opacity: 0; }
}

.swatch-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 6px;
  backdrop-filter: blur(10px);
  text-align: center;
  transition: all 0.3s;
}

.swatch-hex {
  font-size: 0.65rem;
  font-weight: 300;
  text-align: center;
  margin-top: 4px;
  opacity: 0.8;
}

.swatch-name {
  font-size: 0.55rem;
  text-align: center;
  opacity: 0.6;
  margin-top: 2px;
  font-weight: 300;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.copied-toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-60px);
  background: rgba(80,250,123,0.9);
  color: #0a0a1a;
  padding: 10px 24px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.85rem;
  z-index: 1000;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  backdrop-filter: blur(10px);
}

.copied-toast.show {
  transform: translateX(-50%) translateY(0);
}

.palette-info {
  text-align: center;
  padding: 20px;
  background: rgba(255,255,255,0.03);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.06);
  backdrop-filter: blur(10px);
}

.palette-info h3 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: rgba(200,200,255,0.8);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.palette-info p {
  font-size: 0.8rem;
  color: rgba(200,200,255,0.45);
  line-height: 1.6;
  font-weight: 300;
}

.css-output {
  margin-top: 14px;
  padding: 12px;
  background: rgba(0,0,0,0.3);
  border-radius: 10px;
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  color: rgba(200,200,255,0.6);
  text-align: left;
  white-space: pre-wrap;
  word-break: break-all;
  border: 1px solid rgba(255,255,255,0.05);
  max-height: 120px;
  overflow-y: auto;
}

@media (max-width: 700px) {
  .color-swatch { width: 100px; height: 140px; }
  .palette-container { gap: 6px; }
}