/* CSS Custom Properties for Wedding Theme - Version 3.0 (Post-reversion update) */
:root {
  --primary-dark: #1a2b4a;
  --primary-blue: #2c4a7a;
  --accent-light: #b8c5d6;
  --accent-gold: #d4af37;
  --text-light: #ffffff;
  --text-muted: #e8eef7;
  --gradient-primary: linear-gradient(
    135deg,
    #2c4a7a 0%,
    #1a2b4a 50%,
    #0f1a2e 100%
  );
  --gradient-accent: linear-gradient(45deg, #b8c5d6 0%, #d4af37 100%);
  --gradient-button: linear-gradient(45deg, #d4af37 0%, #b8c5d6 100%);
  --font-script: 'Dancing Script', cursive;
  --font-body: 'Lato', sans-serif;
  --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(212, 175, 55, 0.3);
}

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

body {
  font-family: var(--font-body);
  background: var(--gradient-primary);
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  position: relative;
  overflow-x: hidden;
}

/* Dense non-uniform starry background effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(
      1px 1px at 15% 25%,
      rgba(255, 255, 255, 0.9),
      transparent
    ),
    radial-gradient(2px 2px at 85% 15%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 45% 65%, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(3px 3px at 75% 85%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1px 1px at 25% 45%, rgba(255, 255, 255, 0.9), transparent),
    radial-gradient(2px 2px at 95% 35%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 5% 75%, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(2px 2px at 65% 25%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 35% 85%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(3px 3px at 55% 5%, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(1px 1px at 80% 60%, rgba(255, 255, 255, 0.9), transparent),
    radial-gradient(2px 2px at 20% 90%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 90% 80%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(2px 2px at 10% 40%, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(1px 1px at 70% 70%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(3px 3px at 40% 20%, rgba(255, 255, 255, 0.9), transparent),
    radial-gradient(1px 1px at 60% 95%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(2px 2px at 30% 55%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 85% 45%, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(2px 2px at 50% 75%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1px 1px at 18% 8%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 92% 22%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(2px 2px at 38% 92%, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(1px 1px at 72% 38%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1px 1px at 8% 62%, rgba(255, 255, 255, 0.9), transparent),
    radial-gradient(2px 2px at 62% 8%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 28% 72%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 82% 92%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(2px 2px at 48% 28%, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(1px 1px at 12% 48%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1px 1px at 68% 82%, rgba(255, 255, 255, 0.9), transparent),
    radial-gradient(2px 2px at 88% 68%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 52% 12%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 32% 32%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(2px 2px at 78% 52%, rgba(255, 255, 255, 0.8), transparent);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  animation: twinkle 6s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: 0;
}

/* Additional star layer for maximum density */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(
      1px 1px at 22% 33%,
      rgba(255, 255, 255, 0.4),
      transparent
    ),
    radial-gradient(1px 1px at 78% 67%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 12% 88%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 88% 12%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1px 1px at 67% 44%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 33% 77%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 56% 22%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 44% 56%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 77% 33%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 23% 67%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 89% 78%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 11% 22%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 66% 89%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 34% 11%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 92% 55%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 7% 37%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 63% 7%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 37% 63%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 93% 37%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 17% 93%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 73% 17%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 47% 73%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 27% 47%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 83% 27%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 57% 83%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 3% 57%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 97% 3%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 43% 97%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 87% 43%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 13% 87%, rgba(255, 255, 255, 0.5), transparent);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  animation: twinkle-slow 8s ease-in-out infinite alternate-reverse;
  pointer-events: none;
  z-index: 0;
}

@keyframes twinkle {
  0% {
    opacity: 0.3;
  }
  100% {
    opacity: 1;
  }
}

@keyframes twinkle-slow {
  0% {
    opacity: 0.2;
  }
  100% {
    opacity: 0.8;
  }
}

.container {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 25px;
  padding: 40px;
  box-shadow: var(--shadow-soft);
  max-width: 500px;
  width: 100%;
  text-align: center;
  position: relative;
  z-index: 1;
}

.header {
  margin-bottom: 30px;
}

.header h1 {
  color: var(--text-light);
  font-family: var(--font-script);
  font-size: 2.2em;
  font-weight: 500;
  margin-bottom: 20px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  letter-spacing: 1px;
}

.wedding-icon {
  margin: 20px 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.wedding-icon img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  animation: none;
  transition: none;
  filter: none;
}

@keyframes gentle-glow {
  0% {
    filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.3));
  }
  100% {
    filter: drop-shadow(0 0 20px rgba(212, 175, 55, 0.6));
  }
}

.header p {
  color: var(--text-muted);
  font-size: 1.1em;
  font-weight: 300;
  line-height: 1.5;
}

.couple-info {
  background: var(--gradient-accent);
  border-radius: 20px;
  padding: 25px;
  margin: 25px 0;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-soft);
}

.couple-info h2 {
  color: var(--primary-dark);
  font-family: var(--font-script);
  font-size: 2.5em;
  font-weight: 600;
  margin-bottom: 10px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.couple-info p {
  color: var(--primary-dark);
  font-size: 0.95em;
  font-weight: 400;
  margin-bottom: 5px;
  opacity: 0.8;
}

.guest-form {
  margin: 25px 0;
  text-align: left;
}

.guest-form label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-light);
  font-weight: 500;
  font-size: 0.95em;
}

.guest-form input {
  width: 100%;
  padding: 15px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  font-size: 1em;
  font-family: var(--font-body);
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-light);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  margin-bottom: 15px;
}

.guest-form input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.guest-form input:focus {
  outline: none;
  border-color: var(--accent-gold);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
}

.upload-section {
  margin: 30px 0;
}

.upload-area {
  border: 3px dashed rgba(255, 255, 255, 0.4);
  border-radius: 20px;
  padding: 40px 20px;
  background: rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.upload-area:hover {
  border-color: var(--accent-gold);
  background: rgba(212, 175, 55, 0.1);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.upload-area.dragover {
  border-color: var(--accent-gold);
  background: rgba(212, 175, 55, 0.15);
  transform: scale(1.02);
  box-shadow: var(--shadow-glow);
}

.upload-icon {
  font-size: 3em;
  color: var(--accent-gold);
  margin-bottom: 15px;
  text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

.upload-text {
  font-size: 1.2em;
  color: var(--text-light);
  margin-bottom: 8px;
  font-weight: 500;
}

.upload-subtext {
  color: var(--text-muted);
  font-size: 0.9em;
  opacity: 0.8;
}

#fileInput {
  display: none;
}

.btn {
  background: var(--gradient-button);
  color: var(--primary-dark);
  border: none;
  padding: 18px 35px;
  border-radius: 30px;
  font-size: 1.1em;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-soft);
  margin: 15px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(212, 175, 55, 0.4);
  background: linear-gradient(45deg, #f0c14b 0%, #c9b037 100%);
}

.btn:active {
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-muted);
}

.retry-btn {
  background: linear-gradient(45deg, #3498db, #2980b9);
  color: white;
  margin-top: 10px;
}

.retry-btn:hover {
  background: linear-gradient(45deg, #2980b9, #1f618d);
}

.preview-section {
  margin-top: 25px;
  text-align: left;
}

.preview-section h3 {
  color: var(--text-light);
  margin-bottom: 15px;
  font-family: var(--font-body);
  font-weight: 500;
}

.preview-item {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 15px;
  padding: 15px;
  margin: 12px 0;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 15px;
  transition: all 0.3s ease;
  flex-wrap: wrap;
}

.preview-item:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.preview-item.upload-failed {
  border-color: #e74c3c;
  background: rgba(231, 76, 60, 0.1);
}

.preview-item.uploading .remove-btn {
  display: none !important;
}

.preview-item.completed .remove-btn {
  display: none !important;
}

.preview-item img,
.preview-item video {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  flex-shrink: 0;
}

.preview-info {
  flex: 1;
  min-width: 0;
}

.preview-info h4 {
  color: var(--text-light);
  margin-bottom: 5px;
  font-size: 0.95em;
  font-weight: 500;
  word-break: break-word;
  overflow-wrap: break-word;
}

.preview-info p {
  color: var(--text-muted);
  font-size: 0.85em;
  opacity: 0.8;
  word-break: break-word;
  overflow-wrap: break-word;
}

/* File Progress Styles */
.file-progress-container {
  flex: 1;
  min-width: 120px;
  margin: 5px 0;
}

.file-progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 5px;
}

.file-progress-fill {
  height: 100%;
  background: var(--gradient-button);
  width: 0%;
  transition: width 0.3s ease;
  border-radius: 3px;
}

.file-progress-text {
  font-size: 0.8em;
  color: var(--text-muted);
  font-weight: 500;
}

.file-error-message {
  width: 100%;
  color: #e74c3c;
  font-size: 0.8em;
  font-weight: 500;
  margin-top: 5px;
  padding: 5px;
  background: rgba(231, 76, 60, 0.1);
  border-radius: 5px;
  border: 1px solid rgba(231, 76, 60, 0.3);
}

.remove-btn {
  background: linear-gradient(45deg, #ff6b6b, #ee5a52);
  color: white;
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  cursor: pointer;
  font-size: 1.2em;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(255, 107, 107, 0.3);
  flex-shrink: 0;
}

.remove-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 15px rgba(255, 107, 107, 0.5);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  overflow: hidden;
  margin: 15px 0;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.progress-fill {
  height: 100%;
  background: var(--gradient-button);
  width: 0%;
  transition: width 0.3s ease;
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

.success-message {
  background: linear-gradient(45deg, #2ecc71, #27ae60);
  color: white;
  padding: 18px;
  border-radius: 15px;
  margin: 15px 0;
  font-weight: 500;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.error-message {
  background: linear-gradient(45deg, #e74c3c, #c0392b);
  color: white;
  padding: 18px;
  border-radius: 15px;
  margin: 15px 0;
  font-weight: 500;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.info-message {
  background: linear-gradient(45deg, #3498db, #2980b9);
  color: white;
  padding: 18px;
  border-radius: 15px;
  margin: 15px 0;
  font-weight: 500;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.warning-message {
  background: linear-gradient(45deg, #f39c12, #e67e22);
  color: white;
  padding: 18px;
  border-radius: 15px;
  margin: 15px 0;
  font-weight: 500;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.stats {
  display: flex;
  justify-content: space-around;
  margin: 25px 0;
  padding: 25px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-soft);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2.2em;
  font-weight: 700;
  color: var(--accent-gold);
  text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
  font-family: var(--font-body);
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.9em;
  font-weight: 400;
  margin-top: 5px;
  opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 600px) {
  .container {
    padding: 25px;
    margin: 10px;
    border-radius: 20px;
  }

  .header h1 {
    font-size: 1.8em;
  }

  .couple-info h2 {
    font-size: 2em;
  }

  .wedding-icon img {
    width: 60px;
    height: 60px;
  }

  .stats {
    flex-direction: column;
    gap: 20px;
  }

  .stat-item {
    padding: 10px 0;
  }

  .upload-area {
    padding: 30px 15px;
  }

  .btn {
    padding: 15px 25px;
    font-size: 1em;
  }

  .preview-item {
    padding: 12px;
    gap: 12px;
    flex-direction: column;
    align-items: stretch;
  }

  .preview-item img,
  .preview-item video {
    width: 50px;
    height: 50px;
    align-self: center;
  }

  .file-progress-container {
    min-width: auto;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 20px;
  }

  .header h1 {
    font-size: 1.6em;
  }

  .couple-info {
    padding: 20px;
  }

  .couple-info h2 {
    font-size: 1.8em;
  }

  .guest-form input {
    padding: 12px;
  }

  .preview-item {
    padding: 12px;
    gap: 12px;
  }

  .preview-item img,
  .preview-item video {
    width: 50px;
    height: 50px;
  }
}

/* Additional animations for enhanced user experience */
.container {
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.preview-item {
  animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}