:root {
  --color-cream-50: rgba(252, 252, 249, 1);
  --color-cream-100: rgba(255, 255, 253, 1);
  --color-gray-200: rgba(245, 245, 245, 1);
  --color-gray-300: rgba(167, 169, 169, 1);
  --color-slate-500: rgba(98, 108, 113, 1);
  --color-brown-600: rgba(94, 82, 64, 1);
  --color-charcoal-700: rgba(31, 33, 33, 1);
  --color-charcoal-800: rgba(38, 40, 40, 1);
  --color-slate-900: rgba(19, 52, 59, 1);
  --color-teal-300: rgba(50, 184, 198, 1);
  --color-teal-500: rgba(33, 128, 141, 1);
  --color-teal-600: rgba(29, 116, 128, 1);
  --color-teal-700: rgba(26, 104, 115, 1);
  --color-red-400: rgba(255, 84, 89, 1);
  --color-red-500: rgba(192, 21, 47, 1);
  --color-orange-400: rgba(230, 129, 97, 1);
  --color-orange-500: rgba(168, 75, 47, 1);
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-error: var(--color-red-500);
  --color-warning: var(--color-orange-500);
  --radius-base: 8px;
  --radius-lg: 12px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-background: var(--color-charcoal-700);
    --color-surface: var(--color-charcoal-800);
    --color-text: var(--color-gray-200);
    --color-text-secondary: rgba(167, 169, 169, 0.7);
    --color-primary: var(--color-teal-300);
    --color-error: var(--color-red-400);
    --color-warning: var(--color-orange-400);
  }
}

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

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--color-background);
  color: var(--color-text);
  padding: var(--space-20);
  line-height: 1.6;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

h1 {
  font-size: 28px;
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

h2 {
  font-size: 20px;
  margin-top: var(--space-24);
  margin-bottom: var(--space-16);
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--space-8);
}

.intro {
  background: var(--color-surface);
  padding: var(--space-20);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-24);
  border: 1px solid var(--color-border);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-16);
  margin-bottom: var(--space-24);
}

/* Modal form grid - different layout */
.modal .form-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  margin-bottom: var(--space-24);
}

.form-group {
  background: var(--color-surface);
  padding: var(--space-16);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-border);
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-8);
  color: var(--color-text);
  font-size: 14px;
}

select,
input {
  width: 100%;
  padding: var(--space-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  background: var(--color-background);
  color: var(--color-text);
  font-size: 14px;
}

select:focus,
input:focus {
  outline: 2px solid var(--color-primary);
  border-color: var(--color-primary);
}

.btn {
  background: var(--color-primary);
  color: white;
  padding: var(--space-12) var(--space-24);
  border: none;
  border-radius: var(--radius-base);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: background 0.2s;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn.loading {
  position: relative;
  color: transparent;
}

.btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.results {
  background: var(--color-surface);
  padding: var(--space-24);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  margin-top: var(--space-24);
}

.results h2 {
  font-size: 22px;
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

.result-section {
  margin-bottom: var(--space-24);
  padding: var(--space-16);
  background: var(--color-background);
  border-radius: var(--radius-base);
}

.result-section h3 {
  font-size: 18px;
  margin-bottom: var(--space-12);
  color: var(--color-primary);
}

.result-section ul {
  list-style-position: inside;
  padding-left: var(--space-12);
}

.result-section li {
  margin-bottom: var(--space-8);
  color: var(--color-text);
}

.severity {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: var(--space-16);
}

.severity-normal {
  background: rgba(33, 128, 141, 0.1);
  color: var(--color-teal-700);
}

.severity-mild {
  background: rgba(230, 129, 97, 0.1);
  color: var(--color-orange-500);
}

.severity-moderate {
  background: rgba(255, 84, 89, 0.1);
  color: var(--color-red-500);
}

.severity-severe {
  background: var(--color-red-500);
  color: white;
}

.alert-box {
  padding: var(--space-12);
  border-radius: var(--radius-base);
  margin-bottom: var(--space-16);
  border-left: 4px solid;
}

.alert-warning {
  background: rgba(230, 129, 97, 0.1);
  border-color: var(--color-orange-500);
  color: var(--color-text);
}

.hidden {
  display: none;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
}

.modal-content {
  background-color: var(--color-surface);
  margin: 5% auto;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 600px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  animation: modalFadeIn 0.3s ease-out;
}

@media (max-width: 700px) {
  .modal-content {
    margin: 2% auto;
    width: 95%;
    max-width: none;
  }
  
  .modal-body {
    max-height: 80vh;
  }
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(-50px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  padding: var(--space-20);
  border-bottom: 1px solid var(--color-border);
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-16);
}

.modal-header h2 {
  margin: 0;
  color: var(--color-primary);
}

.close {
  color: var(--color-text-secondary);
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.2s;
}

.close:hover {
  color: var(--color-error);
}

.modal-body {
  padding: var(--space-20);
  max-height: 70vh;
  overflow-y: auto;
}

.modal-actions {
  display: flex;
  gap: var(--space-12);
  justify-content: flex-end;
  margin-top: var(--space-20);
  padding-top: var(--space-16);
  border-top: 1px solid var(--color-border);
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-base);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  background: var(--color-primary);
  color: white;
}

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

.btn-secondary {
  background: var(--color-teal-600);
}

.btn-secondary:hover {
  background: var(--color-teal-700);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

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

.patient-actions {
  margin-bottom: var(--space-24);
  text-align: center;
}

.full-width {
  grid-column: 1 / -1;
}

.form-row {
  display: flex;
  gap: var(--space-16);
  width: 100%;
}

.half-width {
  width: 50%;
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .form-row {
    flex-direction: column;
    gap: var(--space-12);
  }
  
  .half-width {
    width: 100%;
  }
}

.ocr-progress {
  margin-top: var(--space-16);
  text-align: center;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--color-gray-200);
  border-radius: var(--radius-base);
  overflow: hidden;
  margin-bottom: var(--space-8);
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  width: 0%;
  transition: width 0.3s ease;
}

/* Notification Styles */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: var(--space-16);
  border-radius: var(--radius-base);
  color: white;
  font-weight: 500;
  z-index: 1001;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  max-width: 400px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.notification.show {
  transform: translateX(0);
}

.notification-success {
  background: var(--color-primary);
}

.notification-error {
  background: var(--color-error);
}

.notification-info {
  background: var(--color-teal-600);
}

/* PDF Upload Section */
.pdf-upload-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.pdf-upload-section button {
  align-self: flex-start;
}

/* File List Styles */
.file-list {
  margin-top: var(--space-8);
  max-height: 120px;
  overflow-y: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  background: var(--color-surface);
}

.file-item {
  padding: var(--space-8) var(--space-12);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.file-item:last-child {
  border-bottom: none;
}

.file-item .file-name {
  flex: 1;
  font-size: 14px;
  color: var(--color-text);
}

.file-item .file-size {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.file-item .remove-file {
  background: none;
  border: none;
  color: var(--color-error);
  cursor: pointer;
  font-size: 16px;
  padding: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background-color 0.2s;
}

.file-item .remove-file:hover {
  background: rgba(192, 21, 47, 0.1);
}

/* Extracted values styling */
.extracted-value {
  font-weight: bold;
  color: var(--color-primary);
  margin-left: var(--space-8);
}

/* AI Analysis Streaming Styles */
.ai-analysis {
  border: 2px solid var(--color-primary);
  background: var(--color-surface);
}

.ai-analysis #ai-analysis-content {
  max-height: 600px;
  overflow-y: auto;
  padding: var(--space-16);
  background: var(--color-background);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-border);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

.typing-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  color: var(--color-text-secondary);
  font-style: italic;
  padding: var(--space-16);
}

.typing-indicator::after {
  content: '';
  width: 4px;
  height: 20px;
  background: var(--color-primary);
  animation: blink 1s infinite;
}

.streaming-cursor {
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background: var(--color-primary);
  margin-left: 2px;
  animation: blink 1s infinite;
  vertical-align: text-bottom;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Markdown content styling within AI analysis */
#ai-analysis-content h1,
#ai-analysis-content h2,
#ai-analysis-content h3,
#ai-analysis-content h4 {
  color: var(--color-primary);
  margin-top: var(--space-20);
  margin-bottom: var(--space-12);
}

#ai-analysis-content h1 {
  font-size: 24px;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: var(--space-8);
}

#ai-analysis-content h2 {
  font-size: 20px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-8);
}

#ai-analysis-content h3 {
  font-size: 18px;
}

#ai-analysis-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-16) 0;
  background: var(--color-surface);
  border-radius: var(--radius-base);
  overflow: hidden;
}

#ai-analysis-content th,
#ai-analysis-content td {
  padding: var(--space-12);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

#ai-analysis-content th {
  background: var(--color-primary);
  color: white;
  font-weight: 600;
}

#ai-analysis-content tr:nth-child(even) {
  background: rgba(var(--color-teal-500-rgb), 0.05);
}

#ai-analysis-content ul,
#ai-analysis-content ol {
  margin: var(--space-12) 0;
  padding-left: var(--space-20);
}

#ai-analysis-content li {
  margin-bottom: var(--space-8);
}

#ai-analysis-content strong {
  color: var(--color-primary);
  font-weight: 600;
}

#ai-analysis-content em {
  color: var(--color-text-secondary);
  font-style: italic;
}

#ai-analysis-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--space-16);
  margin: var(--space-16) 0;
  background: rgba(var(--color-teal-500-rgb), 0.05);
  padding: var(--space-12) var(--space-16);
  border-radius: 0 var(--radius-base) var(--radius-base) 0;
}