/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f8f9fa;
  --surface: #ffffff;
  --border: #e2e8f0;
  --border-hover: #cbd5e1;
  --text: #1a202c;
  --text-secondary: #64748b;
  --primary: #f6821f;
  --primary-hover: #e5720e;
  --primary-light: #fff7ed;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --success: #10b981;
  --blue: #3b82f6;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, sans-serif;
  --mono: 'SF Mono', SFMono-Regular, Consolas, monospace;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.screen { display: none; }
.screen.active { display: block; }
.view { display: none; padding: 24px 32px; max-width: 1400px; margin: 0 auto; }
.view.active { display: block; }
.hidden { display: none !important; }

/* Login */
.login-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--primary);
}

.login-logo h1 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
}

#login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 320px;
}

#login-form input {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s;
}

#login-form input:focus { border-color: var(--primary); }

#login-form button {
  padding: 12px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

#login-form button:hover { background: var(--primary-hover); }

.error { color: var(--danger); font-size: 13px; text-align: center; }

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
}

.topbar-title {
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
}

.btn-icon {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 8px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.15s;
  display: flex;
  align-items: center;
}

.btn-icon:hover { border-color: var(--border-hover); color: var(--text); }

/* Buttons */
.btn-primary, .btn-secondary, .btn-danger, .btn-back {
  border: none;
  border-radius: var(--radius);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

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

.btn-danger { background: white; color: var(--danger); border: 1px solid var(--danger); }
.btn-danger:hover { background: #fef2f2; }

.btn-back {
  background: none;
  color: var(--text-secondary);
  padding: 8px 0;
  font-size: 14px;
}
.btn-back:hover { color: var(--text); }

.btn-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

/* View Header */
.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 16px;
  flex-wrap: wrap;
}

.view-header h2 { font-size: 20px; font-weight: 600; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-input {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  outline: none;
  width: 240px;
  transition: border-color 0.15s;
}
.search-input:focus { border-color: var(--primary); }

/* Table - Cloudflare D1 Style */
.table-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  background: var(--bg);
  text-align: left;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr {
  cursor: pointer;
  transition: background 0.1s;
}

tbody tr:hover { background: var(--primary-light); }
tbody tr:not(:last-child) td { border-bottom: 1px solid var(--border); }

td {
  padding: 12px 16px;
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

td.wrap { white-space: normal; max-width: 300px; }

.empty-state {
  padding: 48px;
  text-align: center;
  color: var(--text-secondary);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow);
}

.patient-card {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.patient-card .field-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  font-weight: 600;
  margin-bottom: 2px;
}

.patient-card .field-value {
  font-size: 15px;
  font-weight: 500;
}

/* Sections */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 24px 0 12px;
}

.section-header h3 { font-size: 16px; font-weight: 600; }

/* Visit Cards */
.visit-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.visit-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.visit-date {
  font-weight: 600;
  font-size: 15px;
  color: var(--primary);
}

.visit-card-actions { display: flex; gap: 8px; }

.visit-section {
  margin-bottom: 10px;
}

.visit-section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  font-weight: 600;
  margin-bottom: 4px;
}

.visit-section-content { font-size: 14px; line-height: 1.6; }

.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  margin: 2px 4px 2px 0;
}

.tag-active { background: #dcfce7; color: #166534; }
.tag-resolved { background: #f1f5f9; color: #64748b; text-decoration: line-through; }
.tag-stopped { background: #fee2e2; color: #991b1b; text-decoration: line-through; }

.doc-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  font-size: 13px;
}

.doc-item a { color: var(--blue); text-decoration: none; font-weight: 500; }
.doc-item a:hover { text-decoration: underline; }

/* Settings */
.settings-card { max-width: 600px; }
.settings-card h3 { margin-bottom: 16px; font-size: 16px; }

.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary);
}

.model-select-row { display: flex; gap: 8px; }
.model-select-row select { flex: 1; }

.status-msg {
  font-size: 13px;
  margin-top: 12px;
  padding: 8px 12px;
  border-radius: var(--radius);
}

.status-msg.success { background: #dcfce7; color: #166534; }
.status-msg.error { background: #fee2e2; color: #991b1b; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  backdrop-filter: blur(2px);
}

.modal {
  background: var(--surface);
  border-radius: 12px;
  width: 90%;
  max-width: 700px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 { font-size: 16px; }
.modal-body { padding: 24px; }

.modal-body .form-group { margin-bottom: 14px; }

.modal-body .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* Dynamic list in modal */
.dynamic-list { margin-bottom: 8px; }
.dynamic-list-item {
  display: flex;
  gap: 8px;
  margin-bottom: 6px;
  align-items: center;
}
.dynamic-list-item input, .dynamic-list-item select { flex: 1; }
.dynamic-list-item .btn-remove {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 18px;
  padding: 0 4px;
  flex-shrink: 0;
}
.btn-add {
  background: none;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 6px 12px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  width: 100%;
  transition: all 0.15s;
}
.btn-add:hover { border-color: var(--primary); color: var(--primary); }

/* AI Extract area */
.extract-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--border);
}

.extract-tab {
  padding: 10px 20px;
  background: none;
  border: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.15s;
}

.extract-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.extract-panel { display: none; }
.extract-panel.active { display: block; }

.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
  margin-bottom: 12px;
}
.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--primary);
  background: var(--primary-light);
}
.drop-zone input { display: none; }

.extract-preview {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 12px;
  font-size: 13px;
  max-height: 300px;
  overflow-y: auto;
}

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Patient summary three-column layout */
.patient-summary-columns {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  margin-top: 4px;
}
.summary-col .field-label { margin-bottom: 8px; }
.summary-col .field-value { display: flex; flex-wrap: wrap; gap: 4px; }

@media (max-width: 768px) {
  .patient-summary-columns { grid-template-columns: 1fr; }
}

/* Patient row expand/toggle */
.expand-cell { cursor: pointer; text-align: center; width: 32px; padding: 8px !important; }
.expand-arrow {
  display: inline-block;
  font-size: 10px;
  color: var(--text-secondary);
  transition: transform 0.15s;
}
.expand-arrow.expanded { transform: rotate(90deg); }
.patient-expand-row td { padding-top: 0 !important; padding-bottom: 12px !important; border-bottom: 1px solid var(--border); }
.patient-expand-row:hover { background: none; }
.patient-row + .patient-expand-row:not(.hidden) + .patient-row td,
.patient-row:has(+ .patient-expand-row:not(.hidden)) td { border-bottom: none; }
.expand-content { display: flex; flex-direction: column; gap: 6px; }
.expand-section { display: flex; align-items: flex-start; gap: 8px; flex-wrap: wrap; }
.expand-label { font-size: 11px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; min-width: 90px; padding-top: 3px; }

/* Responsive */
@media (max-width: 768px) {
  .view { padding: 16px; }
  .topbar { padding: 0 16px; }
  .patient-card { grid-template-columns: 1fr 1fr; }
  .modal { width: 95%; }
  .modal-body .form-row { grid-template-columns: 1fr; }
  .search-input { width: 160px; }
  td { padding: 10px 12px; }
}