:root {
  --primary: #00f2fe;
  --secondary: #4facfe;
  --accent: #5e00ff;
  --bg-dark: #0a0b10;
  --text-main: #e0e0e0;
  --glass: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background Effects */
.background-radial {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at 50% 50%, #1a1b2e 0%, #0a0b10 100%);
  z-index: -2;
}

.dots-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: radial-gradient(var(--glass-border) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0.3;
  z-index: -1;
}

/* Glass UI Elements */
.glass-header {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10%;
  background: var(--glass);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -1px;
}

.logo .dot {
  color: var(--primary);
  text-shadow: 0 0 10px var(--primary);
}

.nav-links a {
  color: var(--text-main);
  text-decoration: none;
  margin-left: 2rem;
  font-size: 0.9rem;
  opacity: 0.7;
  transition: opacity 0.3s;
}

.nav-links a.active, .nav-links a:hover {
  opacity: 1;
  color: var(--primary);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.hero-section {
  text-align: center;
  margin-bottom: 4rem;
}

.gradient-text {
  font-size: 3.5rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}

.subtitle {
  font-size: 1.2rem;
  opacity: 0.6;
  max-width: 600px;
  margin: 0 auto;
}

/* Upload Zone */
.upload-zone {
  margin-bottom: 4rem;
  cursor: pointer;
}

.glass-card {
  background: var(--glass);
  backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  border-radius: 2rem;
  padding: 3rem;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.upload-inner {
  text-align: center;
  border: 2px dashed var(--glass-border);
  padding: 5rem;
}

.upload-zone:hover .glass-card {
  transform: translateY(-10px);
  border-color: var(--primary);
  box-shadow: 0 20px 40px rgba(0, 242, 254, 0.1);
}

.ufo-icon-container {
  position: relative;
  display: inline-block;
  margin-bottom: 2rem;
}

.ufo-circle {
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, var(--primary), transparent);
  opacity: 0.2;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.upload-icon {
  font-size: 3rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--primary);
}

@keyframes pulse {
  0% { transform: scale(0.8); opacity: 0.2; }
  50% { transform: scale(1.2); opacity: 0.4; }
  100% { transform: scale(0.8); opacity: 0.2; }
}

h3 { font-size: 1.8rem; margin-bottom: 0.5rem; }
.file-limit { margin-top: 1rem; font-size: 0.8rem; opacity: 0.4; }

/* Progress Items */
.upload-progress-list {
  display: grid;
  gap: 1.5rem;
}

.progress-item {
  background: var(--glass);
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--glass-border);
}

.progress-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.progress-bar-container {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.3s ease;
}

/* Utilities */
.hidden { display: none; }
.glass-footer { text-align: center; padding: 2rem; opacity: 0.5; font-size: 0.8rem; }