:root {
  --bg-primary: #07060e;
  --bg-card: rgba(18, 15, 35, 0.7);
  --border-glow: rgba(200, 120, 255, 0.25);
  --accent-1: #c46bff;
  --accent-2: #ff6ba6;
  --accent-3: #ffa94d;
  --accent-4: #6baaff;
  --text-primary: #eee8ff;
  --text-secondary: #8a80a8;
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Bricolage Grotesque', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

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

#root {
  position: relative;
  z-index: 1;
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(196, 107, 255, 0.15), 0 0 60px rgba(196, 107, 255, 0.05); }
  50% { box-shadow: 0 0 30px rgba(196, 107, 255, 0.3), 0 0 80px rgba(196, 107, 255, 0.1); }
}

@keyframes borderRotate {
  0% { --angle: 0deg; }
  100% { --angle: 360deg; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(200, 120, 255, 0.1);
  border-radius: 16px;
}

.glow-border {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
}

.glow-border::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 18px;
  background: conic-gradient(from var(--angle, 0deg), var(--accent-1), var(--accent-2), var(--accent-3), var(--accent-4), var(--accent-1));
  animation: spin-slow 4s linear infinite;
  z-index: -1;
  opacity: 0.5;
}

.glow-border::after {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: 14px;
  background: var(--bg-primary);
  z-index: -1;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn-generate {
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-generate:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(196, 107, 255, 0.4);
}

.btn-generate:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-generate.loading {
  background-size: 200% auto;
  animation: shimmer 2s linear infinite;
  background-image: linear-gradient(90deg, var(--accent-1), var(--accent-2), var(--accent-3), var(--accent-2), var(--accent-1));
}

.chip {
  background: rgba(200, 120, 255, 0.08);
  border: 1px solid rgba(200, 120, 255, 0.15);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.chip:hover {
  background: rgba(200, 120, 255, 0.18);
  border-color: rgba(200, 120, 255, 0.35);
  transform: translateY(-1px);
}

.chip.active {
  background: rgba(200, 120, 255, 0.25);
  border-color: var(--accent-1);
}

.image-card {
  animation: pulseGlow 3s ease-in-out infinite;
  border-radius: 16px;
  overflow: hidden;
}

.history-thumb {
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.history-thumb:hover {
  transform: scale(1.04);
  box-shadow: 0 8px 30px rgba(196, 107, 255, 0.25);
}

.history-thumb .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 6, 14, 0.95) 0%, rgba(7, 6, 14, 0.3) 50%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: flex-end;
  padding: 10px;
}

.history-thumb:hover .overlay {
  opacity: 1;
}

textarea:focus, select:focus {
  outline: none;
}

.prompt-textarea {
  background: rgba(18, 15, 35, 0.5);
  border: 1px solid rgba(200, 120, 255, 0.15);
  border-radius: 14px;
  color: var(--text-primary);
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 16px;
  resize: none;
  transition: border-color 0.3s ease;
  width: 100%;
  padding: 16px 20px;
}

.prompt-textarea:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(196, 107, 255, 0.1);
}

.prompt-textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

.style-select {
  background: rgba(18, 15, 35, 0.6);
  border: 1px solid rgba(200, 120, 255, 0.15);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: 'Bricolage Grotesque', sans-serif;
  padding: 8px 14px;
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.3s ease;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a80a8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.style-select:focus {
  border-color: var(--accent-1);
}

.style-select option {
  background: #12102a;
  color: var(--text-primary);
}

.milestone-toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: white;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  z-index: 1000;
  animation: fadeInUp 0.4s ease-out, fadeIn 0.3s ease-out;
  box-shadow: 0 8px 40px rgba(196, 107, 255, 0.5);
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(200, 120, 255, 0.15);
  border-top-color: var(--accent-1);
  border-radius: 50%;
  animation: spin-slow 1s linear infinite;
}

.scroll-container {
  scrollbar-width: thin;
  scrollbar-color: rgba(200, 120, 255, 0.2) transparent;
}

.scroll-container::-webkit-scrollbar {
  height: 6px;
}

.scroll-container::-webkit-scrollbar-track {
  background: transparent;
}

.scroll-container::-webkit-scrollbar-thumb {
  background: rgba(200, 120, 255, 0.2);
  border-radius: 3px;
}

@media (max-width: 640px) {
  .prompt-textarea {
    font-size: 15px;
    padding: 14px 16px;
  }
}