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

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

/* Main container */
.container {
  width: 100%;
  max-width: 480px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  text-align: center;
  animation: fadeIn 0.8s ease-in-out;
}

/* Title */
.container h1 {
  font-size: 1.8rem;
  margin-bottom: 10px;
  font-weight: 700;
}

.container h1 span {
  color: #00e5ff;
}

/* Upload box */
.upload-box {
  margin-top: 20px;
  padding: 25px;
  border: 2px dashed rgba(255, 255, 255, 0.4);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.upload-box:hover {
  border-color: #00e5ff;
  background: rgba(0, 229, 255, 0.05);
}

.upload-box p {
  font-size: 0.95rem;
  margin-bottom: 15px;
  opacity: 0.9;
}

/* File input */
input[type="file"] {
  width: 100%;
  padding: 10px;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
}

input[type="file"]::-webkit-file-upload-button {
  background: #00e5ff;
  color: #000;
  border: none;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}

/* Options */
.options {
  margin-top: 15px;
  display: flex;
  justify-content: space-around;
}

.options label {
  font-size: 0.85rem;
  cursor: pointer;
}

.options input {
  margin-right: 6px;
}

/* Button */
button {
  margin-top: 20px;
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #00e5ff, #00bcd4);
  color: #000;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 229, 255, 0.4);
}

button:active {
  transform: scale(0.98);
}

/* Results */
.results {
  margin-top: 25px;
  text-align: left;
}

.results h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: #00e5ff;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.12);
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 10px;
  transition: all 0.25s ease;
}

.result-item:hover {
  background: rgba(255, 255, 255, 0.18);
}

.result-item span {
  font-size: 0.9rem;
}

/* Download link */
.result-item a {
  background: #00e5ff;
  color: #000;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s ease;
}

.result-item a:hover {
  background: #00bcd4;
}

/* Footer */
footer {
  margin-top: 20px;
  font-size: 0.75rem;
  opacity: 0.7;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mobile */
@media (max-width: 480px) {
  .container {
    margin: 15px;
    padding: 25px;
  }

  .options {
    flex-direction: column;
    gap: 8px;
  }
}