:root {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-card-2: #273449;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --primary: #38bdf8;
  --primary-dark: #0284c7;
  --accent: #4ade80;
  --warning: #fbbf24;
  --danger: #f87171;
  --border: #334155;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  overscroll-behavior-y: none;
}

/* ---- Üst Bar ---- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.app-header .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
}

.app-header .logo .pill-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.app-header nav {
  display: flex;
  gap: 6px;
}

.app-header nav a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.app-header nav a.active,
.app-header nav a:hover {
  color: var(--text);
  background: var(--bg-card-2);
}

/* ---- Ana İçerik ---- */
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 16px 90px;
}

.view {
  display: none;
  animation: fadeIn 0.3s ease;
}

.view.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Kartlar ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.card h2 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--text);
}

.card h3 {
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: var(--primary);
}

.muted {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ---- Butonlar ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: #0f172a;
  border: none;
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
  background: var(--bg-card-2);
  color: var(--text);
}

.btn-danger {
  background: var(--danger);
  color: #0f172a;
}

.btn-accent {
  background: var(--accent);
  color: #0f172a;
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 8px 12px;
  font-size: 0.85rem;
  border-radius: 8px;
}

/* ---- Tarayıcı ---- */
.scanner-wrap {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #000;
  aspect-ratio: 1 / 1;
  max-height: 420px;
  margin-bottom: 14px;
}

.scanner-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.scan-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scan-frame {
  width: 68%;
  height: 68%;
  border: 3px solid var(--primary);
  border-radius: 12px;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.35);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { border-color: var(--primary); }
  50% { border-color: var(--accent); }
}

.scan-status {
  position: absolute;
  bottom: 12px;
  left: 0;
  right: 0;
  text-align: center;
  color: #fff;
  background: rgba(0, 0, 0, 0.6);
  padding: 6px 10px;
  font-size: 0.85rem;
}

/* ---- Formlar ---- */
.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: border 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* ---- Sonuç / İlaç Detayı ---- */
.drug-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.drug-header h1 {
  font-size: 1.3rem;
  line-height: 1.3;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge.verified { background: rgba(74, 222, 128, 0.15); color: var(--accent); }
.badge.pending { background: rgba(251, 191, 36, 0.15); color: var(--warning); }
.badge.needs_review { background: rgba(248, 113, 113, 0.15); color: var(--danger); }
.badge.info_unavailable { background: rgba(148, 163, 184, 0.15); color: var(--text-muted); }

.info-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

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

.info-item .label {
  color: var(--text-muted);
  flex-shrink: 0;
}

.info-item .value {
  text-align: right;
  font-weight: 500;
  word-break: break-word;
}

.ingredient-chip {
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.ingredient-chip .strength {
  color: var(--primary);
  font-weight: 600;
}

/* ---- GS1 sonuç (tarama) ---- */
.gs1-box {
  background: var(--bg-card-2);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 12px;
  font-size: 0.85rem;
}

.gs1-box .gs1-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
}

.gs1-box .gs1-row .k {
  color: var(--text-muted);
}

/* ---- Arama ---- */
.search-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.search-bar input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 1rem;
}

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

.search-result {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: all 0.2s;
}

.search-result:active {
  background: var(--bg-card-2);
}

.search-result .name {
  font-weight: 600;
  margin-bottom: 4px;
}

.search-result .meta {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ---- Toast ---- */
.toast {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-card-2);
  color: var(--text);
  padding: 12px 20px;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  opacity: 0;
  transition: all 0.3s;
  z-index: 100;
  max-width: 90%;
  text-align: center;
  font-size: 0.9rem;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.error { border-color: var(--danger); }
.toast.success { border-color: var(--accent); }

/* ---- Alt navigasyon (mobil) ---- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  display: flex;
  z-index: 50;
  padding-bottom: env(safe-area-inset-bottom);
}

.bottom-nav a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 10px 4px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.7rem;
}

.bottom-nav a.active {
  color: var(--primary);
}

.bottom-nav a .icon {
  font-size: 1.3rem;
}

/* ---- Yönetici tabloları ---- */
.table-wrap {
  overflow-x: auto;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

table.data-table th,
table.data-table td {
  padding: 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

table.data-table th {
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
}

table.data-table tr:last-child td {
  border-bottom: none;
}

/* ---- Durum paneli (admin) ---- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  text-align: center;
}

.stat-card .stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---- Dosya yükleme ---- */
.file-drop {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 12px;
}

.file-drop:hover,
.file-drop.dragover {
  border-color: var(--primary);
  background: var(--bg-card-2);
}

/* ---- Modal ---- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}

.modal-backdrop.open { display: flex; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}

.modal h2 {
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.modal .modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 16px;
}

/* ---- Girdi Grupları (etken madde) ---- */
.ing-input-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}

.ing-input-row input {
  flex: 1;
}

.ing-input-row .remove-ing {
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  color: var(--danger);
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
}

/* ---- Spin ---- */
.spinner {
  width: 22px;
  height: 22px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.hidden { display: none !important; }

.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }

/* ---- PWA kurulum daveti ---- */
.install-prompt {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card-2);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 14px 18px;
  display: none;
  align-items: center;
  gap: 12px;
  z-index: 120;
  box-shadow: var(--shadow);
  max-width: 90%;
}

.install-prompt.show { display: flex; }
.install-prompt .btn { padding: 8px 14px; font-size: 0.85rem; }

/* ---- Ham veri accordion ---- */
details.raw-details {
  background: var(--bg-card-2);
  border-radius: 8px;
  padding: 10px 12px;
  margin-top: 10px;
}

details.raw-details summary {
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.85rem;
}

details.raw-details pre {
  margin-top: 8px;
  font-size: 0.75rem;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text);
}

/* ---- Responsive ---- */
@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
  .app-header { padding: 10px 12px; }
  main { padding: 14px 12px 80px; }
  .card { padding: 14px; }
}