frontend/src/index.css

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  --bg-color: #050505;
  --text-color: #f1f1f1;
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.5);
  --secondary: #ec4899;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.05);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --radius: 16px;
}

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

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.15), transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(236, 72, 153, 0.15), transparent 25%);
  background-attachment: fixed;
}

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
}

.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

/* Header */
header {
  text-align: center;
  margin-top: 4rem;
  margin-bottom: 2rem;
}

h1 {
  font-size: 4rem;
  font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, #a5a5a5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
  letter-spacing: -1px;
}

.subtitle {
  font-size: 1.2rem;
  color: #a1a1aa;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Dropzone */
.dropzone-container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  border: 2px dashed rgba(99, 102, 241, 0.3);
  border-radius: var(--radius);
  background: rgba(99, 102, 241, 0.02);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.dropzone:hover, .dropzone.active {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.05);
  box-shadow: 0 0 30px var(--primary-glow);
}

.dropzone-icon {
  width: 64px;
  height: 64px;
  color: var(--primary);
  margin-bottom: 1.5rem;
  transition: transform 0.3s ease;
}

.dropzone:hover .dropzone-icon {
  transform: translateY(-5px);
}

.dropzone-text {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.dropzone-subtext {
  color: #71717a;
  font-size: 0.9rem;
}

/* Results Grid */
.results-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.result-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  transition: transform 0.3s ease;
}

.result-card:hover {
  transform: translateY(-5px);
}

.result-card-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.result-card-title {
  font-size: 1.1rem;
  font-weight: 600;
}

.result-card-content {
  flex: 1;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: rgba(0, 0, 0, 0.2);
}

.result-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 1rem;
}

/* 3D Viewer specific */
.viewer-3d {
  grid-column: 1 / -1;
  min-height: 500px;
}

model-viewer {
  width: 100%;
  height: 100%;
  --poster-color: transparent;
}

/* Buttons */
.btn {
  background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Loading State */
.loader-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 0;
  gap: 2rem;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-left-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.processing-text {
  font-size: 1.5rem;
  font-weight: 500;
  background: linear-gradient(90deg, #fff, #a5a5a5, #fff);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shine 2s linear infinite;
}

@keyframes shine {
  to { background-position: 200% center; }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.4);
}

/* Video Background */
.bg-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  z-index: -1;
  opacity: 0.4;
  transition: opacity 1s ease-in-out;
  pointer-events: none;
}

.bg-video.hidden {
  opacity: 0.05;
  filter: blur(10px);
}

/* Landing Page */
.landing-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  text-align: center;
  gap: 2rem;
}

.landing-title {
  font-size: 6rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fff 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
  letter-spacing: -2px;
  filter: drop-shadow(0 4px 20px rgba(99, 102, 241, 0.3));
}

.landing-description {
  font-size: 1.5rem;
  color: #e4e4e7;
  max-width: 800px;
  line-height: 1.6;
  margin-bottom: 2rem;
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.landing-btn {
  font-size: 1.25rem;
  padding: 1rem 3rem;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.landing-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 15px 40px var(--primary-glow);
}