* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

:root {
  --sky-blue: #00c4ff;
  --sky-pink: #ff005e;
  --sky-green: #00ffb3;
  --sky-blue-light: rgba(0, 196, 255, 0.1);
  --sky-pink-light: rgba(255, 0, 94, 0.1);
  --sky-green-light: rgba(0, 255, 179, 0.1);
  --light-bg: #ffffff;
  --card-bg: #f8f9fa;
  --card-hover: #f1f3f4;
  --text-primary: #202124;
  --text-secondary: #5f6368;
  --text-tertiary: #9aa0a6;
  --border-light: #dadce0;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.12);
}

body {
  background: var(--light-bg);
  color: var(--text-primary);
  line-height: 1;
  padding: 10px;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 70px;
}

/* Hero Section */
.hero-section {
  text-align: center;
  margin-bottom: 20px;
  padding: 10px 0;
}

.hero-section h1 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  background: linear-gradient(90deg, var(--sky-blue), var(--sky-pink), var(--sky-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.hero-section p {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto;
}

.gradient-bar {
  height: 3px;
  width: 300px;
  background: linear-gradient(90deg, var(--sky-blue), var(--sky-pink), var(--sky-green));
  margin: 10px auto 15px;
  border-radius: 2px;
}

/* Upload Section */
.upload-section {
  margin: 30px 0;
  text-align: center;
}

.upload-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--card-bg);
  border: 2px dashed var(--sky-green);
  border-radius: 12px;
  padding: 40px 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 200px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.upload-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--sky-blue), var(--sky-pink), var(--sky-green));
}

.upload-box:hover {
  background: var(--sky-green-light);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.upload-icon {
  font-size: 48px;
  margin-bottom: 15px;
  color: var(--sky-green);
  transition: all 0.3s ease;
}

.upload-box:hover .upload-icon {
  color: var(--sky-pink);
  transform: scale(1.1);
}

.upload-content p {
  margin: 5px 0;
  font-size: 1.1rem;
}

.upload-content strong {
  color: var(--text-primary);
}

.upload-content small {
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

#audioFile {
  display: none;
}

/* Upload Button Style */
.upload-button {
  display: inline-block;
  margin-top: 15px;
  padding: 12px 30px;
  background: linear-gradient(90deg, var(--sky-green), var(--sky-blue));
  color: white;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.upload-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--sky-blue), var(--sky-pink), var(--sky-green));
  transition: left 0.5s ease;
  z-index: -1;
}

.upload-button:hover::before {
  left: 0;
}

.upload-button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

/* Recording Section */
.recording-section {
  margin: 40px 0;
  text-align: center;
}

.recording-controls {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
}

.record-button, .stop-button {
  padding: 12px 25px;
  margin: 0 10px;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.record-button {
  background: var(--sky-green);
  color: white;
}

.record-button:hover:not(:disabled) {
  background: var(--sky-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.stop-button {
  background: var(--sky-pink);
  color: white;
}

.stop-button:hover:not(:disabled) {
  background: var(--sky-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.record-button:disabled, .stop-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.recording-status {
  margin: 20px 0 10px;
  font-weight: 600;
  color: var(--text-secondary);
}

.recording-timer {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--sky-pink);
  font-family: monospace;
}

/* Options Section */
.options-section {
  margin: 40px 0;
}

.section-title {
  font-size: 1.8rem;
  text-align: center;
  margin: 40px 0 30px;
  position: relative;
  color: var(--text-primary);
  font-weight: 600;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--sky-blue), var(--sky-pink), var(--sky-green));
  margin: 15px auto 0;
  border-radius: 2px;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.option-card {
  background: var(--light-bg);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
  position: relative;
}

.option-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--sky-blue), var(--sky-pink), var(--sky-green));
}

.option-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.option-label {
  display: block;
  cursor: pointer;
  padding: 0;
  margin: 0;
}

.option-label input {
  display: none;
}

.option-content {
  padding: 20px 15px;
  text-align: center;
  transition: all 0.3s ease;
}

.option-label input:checked + .option-content {
  background: var(--sky-green-light);
  border: 2px solid var(--sky-green);
}

.option-icon {
  font-size: 2rem;
  margin-bottom: 10px;
  color: var(--sky-green);
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.option-card:hover .option-icon {
  color: var(--sky-pink);
  transform: scale(1.05);
}

.option-content h3 {
  margin-bottom: 8px;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
}

.option-content p {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.3;
}

/* Additional Options */
.additional-options {
  background: var(--card-bg);
  padding: 25px;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
}

.option-checkbox {
  margin: 15px 0;
}

.option-checkbox label {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-primary);
}

.option-checkbox input {
  margin-right: 10px;
  transform: scale(1.2);
}

/* Results Section */
.results-section {
  margin: 40px 0;
}

.transcription-container {
  background: var(--light-bg);
  border-radius: 12px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.transcription-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-light);
  font-weight: 600;
  color: var(--text-primary);
}

.transcription-actions {
  display: flex;
  gap: 10px;
}

.action-btn {
  padding: 8px 15px;
  border: 1px solid var(--sky-blue);
  background: transparent;
  color: var(--sky-blue);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.action-btn:hover {
  background: var(--sky-blue);
  color: white;
}

.transcription-content {
  padding: 25px;
  min-height: 200px;
  max-height: 400px;
  overflow-y: auto;
  line-height: 1.6;
  color: var(--text-primary);
  font-size: 1rem;
}

.transcription-stats {
  display: flex;
  justify-content: space-around;
  padding: 15px 20px;
  background: var(--card-bg);
  border-top: 1px solid var(--border-light);
  font-weight: 600;
  color: var(--text-primary);
}

/* Buttons Section */
.buttons-section {
  text-align: center;
  margin: 40px 0;
}

.action-button {
  padding: 15px 40px;
  border: none;
  background: linear-gradient(90deg, var(--sky-green), var(--sky-blue));
  color: white;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
  font-size: 1.1rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.action-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--sky-blue), var(--sky-pink), var(--sky-green));
  transition: left 0.5s ease;
  z-index: -1;
}

.action-button:hover::before {
  left: 0;
}

.action-button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

/* Steps Section */
.steps-section {
  margin: 50px 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.step-card {
  background: var(--light-bg);
  padding: 25px 20px;
  border-radius: 12px;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--sky-blue), var(--sky-pink), var(--sky-green));
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.step-icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: var(--sky-green);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.step-card:hover .step-icon {
  color: var(--sky-pink);
  transform: scale(1.05);
}

.step-card h3 {
  margin-bottom: 12px;
  color: var(--text-primary);
  font-size: 1.2rem;
  font-weight: 600;
}

.step-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.4;
}

/* FAQ Section */
.faq-section {
  margin: 50px 0;
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--light-bg);
  margin-bottom: 12px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.faq-item:hover {
  background: var(--card-hover);
}

.faq-question {
  padding: 18px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.faq-question:hover {
  color: var(--sky-green);
}

.faq-question i {
  transition: transform 0.3s ease;
  color: var(--sky-pink);
}

.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  color: var(--text-secondary);
  line-height: 1.5;
  font-size: 0.9rem;
}

.faq-item.active .faq-answer {
  padding: 0 20px 18px;
  max-height: 500px;
}

.faq-item.active .faq-question i {
  transform: rotate(45deg);
}

/* Animation for page load */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.5s ease forwards;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 10px;
  }
  
  .hero-section h1 {
    font-size: 1.7rem;
  }
  
  .section-title {
    font-size: 1.5rem;
    margin: 30px 0 20px;
  }
  
  .steps-grid,
  .options-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .upload-box {
    padding: 30px 15px;
    min-height: 180px;
  }
  
  .upload-icon {
    font-size: 40px;
  }
  
  .upload-button,
  .action-button {
    width: 100%;
    padding: 15px;
  }
  
  .recording-controls {
    padding: 20px 15px;
  }
  
  .record-button, .stop-button {
    width: 100%;
    margin: 5px 0;
  }
  
  .transcription-header {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
  
  .transcription-actions {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-section h1 {
    font-size: 1.5rem;
  }
  
  .hero-section p {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.3rem;
  }
  
  .option-content,
  .step-card {
    padding: 20px 15px;
  }
  
  .transcription-stats {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
}

/* Additional styles for the expanded options */
.format-options {
  margin-bottom: 20px;
}

.format-options .option-checkbox {
  margin: 10px 0;
}

.format-options .option-checkbox label {
  padding: 8px 15px;
  background: var(--card-bg);
  border-radius: 6px;
  border: 1px solid var(--border-light);
  transition: all 0.3s ease;
}

.format-options .option-checkbox label:hover {
  background: var(--sky-blue-light);
}

.format-options input[type="radio"]:checked + span {
  color: var(--sky-green);
  font-weight: 600;
}

/* Selection Row Styles */
.selection-row {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.selection-group {
    flex: 1;
    min-width: 250px;
}

.selection-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.selection-label i {
    margin-right: 8px;
    color: var(--sky-green);
}

.selection-dropdown {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    background: var(--light-bg);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'><path fill='%23666' d='M2 0L0 2h4zm0 5L0 3h4z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 12px;
}

.selection-dropdown:hover {
    border-color: var(--sky-blue);
    box-shadow: 0 2px 8px rgba(0, 196, 255, 0.1);
}

.selection-dropdown:focus {
    outline: none;
    border-color: var(--sky-green);
    box-shadow: 0 2px 12px rgba(0, 255, 179, 0.2);
}

/* Additional Options Styling */
.additional-options {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow);
}

.option-checkbox {
    margin: 15px 0;
}

.option-checkbox label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.option-checkbox label:hover {
    background: var(--sky-blue-light);
}

.option-checkbox input {
    margin-right: 12px;
    transform: scale(1.2);
}

/* Responsive Design for Selection Row */
@media (max-width: 768px) {
    .selection-row {
        flex-direction: column;
        gap: 20px;
    }
    
    .selection-group {
        min-width: 100%;
    }
    
    .selection-dropdown {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .selection-label {
        font-size: 0.9rem;
    }
    
    .selection-dropdown {
        font-size: 0.9rem;
        padding: 12px;
    }
}

/* Reset Button Styles */
.reset-button {
    padding: 15px 40px;
    border: 2px solid var(--sky-pink);
    background: transparent;
    color: var(--sky-pink);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    z-index: 1;
    margin-left: 15px;
}

.reset-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--sky-pink);
    transition: left 0.5s ease;
    z-index: -1;
}

.reset-button:hover::before {
    left: 0;
}

.reset-button:hover {
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

/* Buttons Section Layout */
.buttons-section {
    text-align: center;
    margin: 40px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* Responsive Design for Buttons */
@media (max-width: 768px) {
    .buttons-section {
        flex-direction: column;
        gap: 15px;
    }
    
    .reset-button {
        margin-left: 0;
        width: 100%;
    }
    
    .action-button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .reset-button,
    .action-button {
        padding: 15px 20px;
        font-size: 1rem;
    }
}