/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--radius-lg);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 2px solid transparent;
  font-size: var(--font-size-base);
}

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

.btn-primary:hover {
  bac/* ===== RESPONSIVE UTILITIES ===== */
.feature-placeholder {
  text-align: center;
  padding: var(--spacing-12);
  color: var(--gray-600);
}

.feature-placeholder h4 {
  margin: var(--spacing-4) 0 var(--spacing-2) 0;
  color: var(--gray-800);
}

.feature-placeholder p {
  margin-bottom: var(--spacing-6);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 768px) {round: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

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

.btn-secondary {
  background: var(--gray-200);
  color: var(--gray-800);
}

.btn-secondary:hover {
  background: var(--gray-300);
}

/* ===== MODALS ===== */
.modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  animation: fadeIn var(--transition-normal);
  align-items: center;
  justify-content: center;
}

.modal.show {
  display: flex !important;
}

/* Debug modal visibility */
.modal.show {
  display: flex !important;
  opacity: 1 !important;
  visibility: visible !important;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp var(--transition-normal);
}

@keyframes slideUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-6);
  border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--gray-900);
}

.close {
  font-size: var(--font-size-2xl);
  color: var(--gray-500);
  cursor: pointer;
  transition: var(--transition-fast);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.close:hover {
  color: var(--gray-700);
  background: var(--gray-100);
}

.modal-body {
  padding: var(--spacing-6);
}

/* ===== UPLOAD AREA ===== */
.upload-area {
  border: 3px dashed var(--gray-300);
  border-radius: var(--radius-xl);
  padding: var(--spacing-12);
  text-align: center;
  transition: var(--transition-fast);
  cursor: pointer;
}

.upload-area:hover {
  border-color: var(--primary-color);
  background: var(--gray-50);
}

.upload-area.dragover {
  border-color: var(--primary-color);
  background: rgba(46, 125, 50, 0.1);
}

.upload-icon {
  font-size: 3rem;
  color: var(--gray-400);
  margin-bottom: var(--spacing-4);
}

.upload-area p {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin-bottom: var(--spacing-6);
}

/* ===== UPLOAD RESULT ===== */
.upload-result {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-6);
  align-items: center;
}

.result-image {
  text-align: center;
}

.result-image img {
  max-width: 100%;
  max-height: 200px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.result-info h4 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-2);
  color: var(--gray-900);
}

.result-info p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-4);
}

.result-actions {
  display: flex;
  gap: var(--spacing-3);
  flex-wrap: wrap;
}

/* ===== HISTORY LIST ===== */
.history-list {
  max-height: 400px;
  overflow-y: auto;
}

.history-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-3);
  background: var(--gray-50);
  transition: var(--transition-fast);
}

.history-item:hover {
  background: var(--gray-100);
}

.history-image {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.history-info {
  flex: 1;
}

.history-status {
  font-weight: 600;
  margin-bottom: var(--spacing-1);
}

.history-confidence {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  margin-bottom: var(--spacing-1);
}

.history-date {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

/* ===== STATUS BADGES ===== */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
}

.status-badge.matang {
  background: rgba(76, 175, 80, 0.1);
  color: var(--green);
}

.status-badge.belum-matang {
  background: rgba(255, 193, 7, 0.1);
  color: #F57C00;
}

.status-badge.terlalu-matang {
  background: rgba(255, 87, 34, 0.1);
  color: #E64A19;
}

.status-badge.busuk {
  background: rgba(244, 67, 54, 0.1);
  color: #D32F2F;
}

.status-badge.tandan-kosong {
  background: rgba(158, 158, 158, 0.1);
  color: var(--gray-600);
}

.status-badge.kurang-matang {
  background: rgba(255, 235, 59, 0.1);
  color: #F9A825;
}

/* ===== LOADING OVERLAY ===== */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.loading-spinner {
  text-align: center;
  color: var(--white);
}

.spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid var(--white);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-4) auto;
}

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

.loading-spinner p {
  font-size: var(--font-size-lg);
  font-weight: 500;
}

/* ===== CARDS ===== */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card-header {
  margin-bottom: var(--spacing-4);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-2);
}

.card-subtitle {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
}

/* ===== ALERTS ===== */
.alert {
  padding: var(--spacing-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-4);
  border: 1px solid transparent;
  position: fixed;
  top: var(--spacing-4);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10001;
  min-width: 300px;
  max-width: 500px;
  box-shadow: var(--shadow-lg);
}

.alert-success {
  background: rgba(76, 175, 80, 0.1);
  border-color: var(--green);
  color: #2E7D32;
}

.alert-error {
  background: rgba(244, 67, 54, 0.1);
  border-color: #F44336;
  color: #C62828;
}

.alert-warning {
  background: rgba(255, 193, 7, 0.1);
  border-color: #FFC107;
  color: #F57C00;
}

.alert-info {
  background: rgba(33, 150, 243, 0.1);
  border-color: var(--blue);
  color: #1976D2;
}

/* ===== FORM ELEMENTS ===== */
.form-group {
  margin-bottom: var(--spacing-4);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-weight: 500;
  color: var(--gray-700);
}

.form-input {
  width: 100%;
  padding: var(--spacing-3);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* ===== PROGRESS BAR ===== */
.progress {
  width: 100%;
  height: 8px;
  background: var(--gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--primary-color);
  border-radius: var(--radius-sm);
  transition: width var(--transition-normal);
}

/* ===== TOOLTIPS ===== */
.tooltip {
  position: relative;
  cursor: help;
}

.tooltip::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gray-900);
  color: var(--white);
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
  z-index: 1000;
}

.tooltip:hover::before {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-4px);
}

/* ===== RESPONSIVE UTILITIES ===== */
@media (max-width: 768px) {
  .upload-result {
    grid-template-columns: 1fr;
  }
  
  .result-actions {
    justify-content: center;
  }
  
  .about-stats {
    flex-direction: column;
    gap: var(--spacing-4);
  }
  
  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }
  
  .modal-content {
    width: 95%;
    margin: var(--spacing-4);
  }
  
  .modal-header,
  .modal-body {
    padding: var(--spacing-4);
  }
}