/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --secondary-color: #8b5cf6;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --info-color: #3b82f6;
  
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  
  --border-color: #e2e8f0;
  --border-radius: 12px;
  --border-radius-lg: 16px;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  color: var(--text-primary);
  line-height: 1.6;
}

.container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header Styles */
.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  text-align: center;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.logo i {
  font-size: 2rem;
  color: var(--primary-color);
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 400;
  margin: 0;
}

/* Navigation Tabs */
.nav-tabs {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  gap: 0.5rem;
}

.nav-tab {
  background: none;
  border: none;
  padding: 1rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  border-bottom: 3px solid transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-tab:hover {
  color: var(--primary-color);
  background: var(--bg-secondary);
}

.nav-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  background: var(--bg-secondary);
}

.nav-tab i {
  font-size: 1.1rem;
}

/* Main Content */
.main-content {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
  width: 100%;
}

/* Form Sections */
.form-section {
  display: none;
}

.form-section.active {
  display: block;
}

.form-container {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  margin-bottom: 2rem;
}

.form-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2rem;
  text-align: center;
}

/* Form Styles */
.form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.form-group {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  background: var(--bg-secondary);
}

.form-group h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary-color);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-row:last-child {
  margin-bottom: 0;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-field label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-field input,
.form-field select {
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 0.95rem;
  transition: var(--transition);
  background: var(--bg-primary);
}

.form-field input:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgb(99 102 241 / 0.1);
}

.form-field input::placeholder {
  color: var(--text-muted);
}

/* Images Grid */
.images-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.image-upload-card {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  background: var(--bg-primary);
  transition: var(--transition);
}

.image-upload-card:hover {
  box-shadow: var(--shadow-md);
}

.image-upload-area {
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.image-upload-area:hover {
  background: var(--bg-secondary);
}

.upload-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.upload-content i {
  font-size: 2rem;
  color: var(--primary-color);
  opacity: 0.8;
}

.upload-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.upload-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
}

.image-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.image-preview {
  position: relative;
  padding: 1rem;
}

.image-preview img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--border-radius);
}

.retake-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--error-color);
  color: white;
  border: none;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.retake-btn:hover {
  background: #dc2626;
  transform: scale(1.1);
}

/* Farmer Photo Section */
.farmer-photo-section {
  display: flex;
  justify-content: center;
}

.farmer-photo-section .image-upload-card {
  max-width: 300px;
}

/* Form Actions */
.form-actions {
  display: flex;
  justify-content: center;
  padding-top: 1rem;
}

.submit-btn {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-md);
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.submit-btn:active {
  transform: translateY(0);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Status Section */
.status-section {
  margin-bottom: 2rem;
}

.status-container {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-radius: var(--border-radius);
  background: var(--bg-secondary);
  border-left: 4px solid var(--info-color);
}

.status-indicator.loading {
  border-left-color: var(--warning-color);
}

.status-indicator.success {
  border-left-color: var(--success-color);
}

.status-indicator.error {
  border-left-color: var(--error-color);
}

.status-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--info-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
}

.status-indicator.loading .status-icon {
  background: var(--warning-color);
  animation: spin 1s linear infinite;
}

.status-indicator.success .status-icon {
  background: var(--success-color);
}

.status-indicator.error .status-icon {
  background: var(--error-color);
}

.status-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.25rem 0;
}

.status-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

/* Footer */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 1.5rem 0;
  text-align: center;
  margin-top: auto;
}

.footer p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0;
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.loading-content {
  background: var(--bg-primary);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-xl);
}

.spinner {
  width: 3rem;
  height: 3rem;
  border: 3px solid var(--border-color);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-content p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin: 0;
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.btn-primary,
.btn-secondary {
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  flex: 1;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--border-color);
}

/* Muzzle Quality Result */
.muzzle-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  gap: 1rem;
}

.muzzle-result.warning {
  background: #fef3c7;
  border: 1px solid #f59e0b;
  color: #92400e;
}

.muzzle-result.error {
  background: #fee2e2;
  border: 1px solid #ef4444;
  color: #991b1b;
}

.muzzle-result i {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.muzzle-result h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.muzzle-result p {
  font-size: 0.95rem;
  margin: 0;
  line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-content {
    padding: 0 0.5rem;
  }

  .logo h1 {
    font-size: 1.5rem;
  }

  .main-content {
    padding: 1rem 0.5rem;
  }

  .form-container {
    padding: 1.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .images-grid {
    grid-template-columns: 1fr;
  }

  .nav-container {
    padding: 0 0.5rem;
  }

  .nav-tab {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }

  .nav-tab span {
    display: none;
  }

  .status-container {
    padding: 1rem;
  }

  .status-indicator {
    padding: 0.75rem;
  }

  .loading-content {
    padding: 1.5rem;
  }

  .modal-content {
    width: 95%;
    margin: 1rem;
  }
}

@media (max-width: 480px) {
  .form-container {
    padding: 1rem;
  }

  .form-group {
    padding: 1rem;
  }

  .submit-btn {
    padding: 0.875rem 1.5rem;
    font-size: 0.9rem;
  }

  .status-indicator {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }

  .status-icon {
    width: 2rem;
    height: 2rem;
    font-size: 1rem;
  }

  .modal-footer {
    flex-direction: column;
  }
}

/* Animations */
.fade-in {
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-up {
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

/* Capture Button */
.capture-btn {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-md);
  margin-top: 1rem;
}

.capture-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.capture-btn:active {
  transform: translateY(0);
}

/* Camera Modal */
.camera-modal {
  max-width: 600px;
  width: 95%;
}

.camera-container {
  position: relative;
  width: 100%;
  height: 400px;
  border-radius: var(--border-radius);
  overflow: hidden;
  background: #000;
}

#cameraVideo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.camera-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.camera-frame {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 60%;
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--border-radius);
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.3);
}

/* Camera Controls */
.camera-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}

.camera-btn {
  background: var(--primary-color);
  color: white;
  border: none;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition);
}

.camera-btn:hover {
  background: var(--primary-dark);
  transform: scale(1.1);
}

.camera-btn.secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.camera-btn.secondary:hover {
  background: var(--border-color);
}

/* Responsive Camera */
@media (max-width: 768px) {
  .camera-modal {
    width: 100%;
    height: 100%;
    max-width: none;
    border-radius: 0;
  }
  
  .camera-container {
    height: 60vh;
  }
  
  .modal-body {
    padding: 0;
  }
  
  .modal-footer {
    padding: 1rem;
  }
}