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

:root {
  --primary: #1d4ed8;
  --primary-dark: #1e40af;
  --danger: #dc2626;
  --success: #16a34a;
  --bg: #f1f5f9;
  --card-bg: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --shadow: 0 1px 3px rgb(0 0 0 / 0.1), 0 1px 2px rgb(0 0 0 / 0.06);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* Header */
header {
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: var(--shadow);
}

.header-left { display: flex; align-items: baseline; gap: 0.75rem; }

header h1 { font-size: 1.3rem; font-weight: 700; color: var(--primary); }

.case-count {
  font-size: 0.8rem;
  color: var(--text-light);
  font-weight: 500;
}

.header-actions { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }

#search-input {
  padding: 0.5rem 0.875rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.875rem;
  width: 280px;
  font-family: inherit;
  color: var(--text);
  background: white;
}

#search-input:focus { outline: none; border-color: var(--primary); }

/* Main */
main { max-width: 1100px; margin: 2rem auto; padding: 0 1.5rem; }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--text-light);
}
.empty-icon { font-size: 3.5rem; margin-bottom: 1rem; }
.empty-state h2 { font-size: 1.2rem; color: var(--text); margin-bottom: 0.5rem; }
.empty-state p { font-size: 0.9rem; }

/* Case list */
.case-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

/* Case card */
.case-card {
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.15s;
  border: 1.5px solid var(--border);
}

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

.case-card-thumb {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.case-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-card-body { padding: 1rem; }

.case-card-type {
  display: inline-block;
  background: #eff6ff;
  color: var(--primary);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.case-card-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.2rem;
}

.case-card-id {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.case-card-diagnosis {
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.case-card-date {
  font-size: 0.72rem;
  color: var(--text-light);
  margin-top: 0.6rem;
}

/* Buttons */
.btn-primary {
  background: var(--primary);
  color: white;
  border: none;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  font-family: inherit;
  white-space: nowrap;
}
.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary {
  background: white;
  color: var(--text);
  border: 1.5px solid var(--border);
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.btn-secondary:hover { border-color: var(--text-light); }

.btn-danger {
  background: white;
  color: var(--danger);
  border: 1.5px solid var(--danger);
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.btn-danger:hover { background: var(--danger); color: white; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / 0.5);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal {
  background: white;
  border-radius: 16px;
  width: 100%;
  max-width: 620px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}

.modal-wide { max-width: 800px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-header h2 { font-size: 1.1rem; font-weight: 700; }

.modal-close {
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--text-light);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  transition: background 0.15s;
}
.modal-close:hover { background: var(--bg); color: var(--text); }

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-footer .btn-danger { margin-right: auto; }

/* Form */
.form-row { display: flex; gap: 1rem; }
.form-group { margin-bottom: 1rem; flex: 1; }
.form-group-sm { max-width: 160px; }

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0.875rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--text);
  font-family: inherit;
  background: white;
  transition: border-color 0.2s;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgb(29 78 216 / 0.1);
}

/* Upload */
.upload-area {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  color: var(--text-light);
}

.upload-area:hover { border-color: var(--primary); background: #f0f7ff; }
.upload-icon { font-size: 1.75rem; }
.upload-area p { font-size: 0.875rem; margin-top: 0.4rem; }
.upload-hint { font-size: 0.75rem !important; color: var(--text-light); }

.image-preview-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.preview-thumb-wrap {
  position: relative;
  width: 80px;
  height: 80px;
}

.preview-thumb {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 8px;
  border: 1.5px solid var(--border);
}

.preview-remove {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--danger);
  color: white;
  border: none;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  font-size: 0.7rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* View modal */
.view-field { margin-bottom: 1.25rem; }

.view-field-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-light);
  margin-bottom: 0.3rem;
}

.view-field-value {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.6;
}

.view-field-empty { color: var(--text-light); font-style: italic; font-size: 0.875rem; }

.view-images {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.view-img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  cursor: zoom-in;
  transition: transform 0.15s;
}

.view-img:hover { transform: scale(1.04); }

.view-header-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.view-type-badge {
  background: #eff6ff;
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.view-date { font-size: 0.8rem; color: var(--text-light); }
.view-id { font-size: 0.8rem; color: var(--text-light); }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / 0.92);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  padding: 1rem;
}

.lightbox img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: 8px;
  object-fit: contain;
}

.hidden { display: none !important; }

@media (max-width: 600px) {
  header { padding: 1rem; }
  #search-input { width: 100%; }
  .form-row { flex-direction: column; gap: 0; }
  .form-group-sm { max-width: 100%; }
  .modal-footer { flex-wrap: wrap; }
}