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

:root {
  --green: #0F6E56;
  --green-light: #E1F5EE;
  --green-mid: #1D9E75;
  --green-dark: #085041;
  --text: #1a1a1a;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --bg: #f9fafb;
  --white: #ffffff;
  --red: #dc2626;
  --amber: #d97706;
  --radius: 12px;
  --radius-sm: 8px;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  max-width: 420px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  background: var(--green);
  color: white;
  padding: 16px 20px 12px;
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.header-sub {
  font-size: 12px;
  opacity: 0.75;
  margin-top: 2px;
}

.clear-cache-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 6px;
  padding: 8px;
  color: white;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.15s;
}

.clear-cache-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.tabs {
  display: flex;
  background: var(--green-dark);
  padding: 0 20px;
}

.tab {
  flex: 1;
  padding: 10px 0;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}

.tab.active {
  color: white;
  border-bottom-color: white;
}

main {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

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

.search-box {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.search-box input {
  flex: 1;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-family: inherit;
  background: var(--white);
  outline: none;
  transition: border-color 0.15s;
}

.search-box input:focus {
  border-color: var(--green);
}

.btn {
  padding: 12px 18px;
  background: var(--green);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}

.btn:active { background: var(--green-dark); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--green);
  color: var(--green);
}

.btn-outline:active { background: var(--green-light); }

.result-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 16px;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--green-dark);
  margin-bottom: 4px;
}

.result-generic {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.result-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 4px;
}

.favorite-btn {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: background 0.15s;
}

.favorite-btn:hover {
  background: var(--green-light);
}

.favorite-btn.active {
  color: #ffd700;
}

.empty-favorites {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 12px;
}

.badge-rx { background: #fee2e2; color: #991b1b; }
.badge-otc { background: var(--green-light); color: var(--green-dark); }

.section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin: 14px 0 6px;
}

.info-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  padding: 6px 0;
  border-bottom: 1px solid var(--bg);
  font-size: 14px;
  line-height: 1.5;
}

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

.info-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.pill {
  padding: 4px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  color: var(--text);
}

.warning-box {
  background: #fffbeb;
  border: 1px solid #fcd34d;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-top: 8px;
  font-size: 13px;
  color: #92400e;
  line-height: 1.5;
}

.steps-list {
  list-style: none;
  counter-reset: step;
}

.steps-list li {
  counter-increment: step;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 0;
  border-bottom: 1px solid var(--bg);
  font-size: 14px;
  line-height: 1.5;
}

.steps-list li:last-child { border-bottom: none; }

.step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--green);
  color: white;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-detail {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 3px;
}

.loading {
  text-align: center;
  padding: 32px 0;
  color: var(--text-muted);
  font-weight: 500;
}

.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto 12px;
}

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

.error-box {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: #991b1b;
  font-size: 14px;
}

.not-found {
  text-align: center;
  padding: 24px 0;
  color: var(--text-muted);
  font-size: 14px;
}

.not-found strong {
  display: block;
  font-size: 16px;
  color: var(--text);
  margin-bottom: 4px;
}

/* STOCK */
.stock-add {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 16px;
  margin-bottom: 16px;
}

.stock-add input {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  margin-bottom: 10px;
  outline: none;
}

.stock-add input:focus { border-color: var(--green); }

.status-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.status-btn {
  flex: 1;
  padding: 8px 4px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}

.status-btn.selected-ka { background: var(--green-light); border-color: var(--green); color: var(--green-dark); }
.status-btn.selected-mbaron { background: #fffbeb; border-color: #f59e0b; color: #92400e; }
.status-btn.selected-ska { background: #fef2f2; border-color: #fca5a5; color: #991b1b; }

.stock-list { display: flex; flex-direction: column; gap: 8px; }

.stock-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: fadeIn 0.2s ease;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-ka { background: var(--green); }
.dot-mbaron { background: var(--amber); }
.dot-ska { background: var(--red); }

.stock-name {
  flex: 1;
  font-size: 15px;
  font-weight: 500;
}

.stock-status {
  font-size: 12px;
  font-weight: 500;
}

.status-ka { color: var(--green-dark); }
.status-mbaron { color: #92400e; }
.status-ska { color: var(--red); }

.stock-delete {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1;
  border-radius: 4px;
}

.stock-delete:hover { color: var(--red); background: #fef2f2; }

.stock-edit-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1;
  border-radius: 4px;
}

.stock-edit-btn:hover { color: var(--green); background: var(--green-light); }

.stock-edit-input {
  flex: 1;
  padding: 4px 8px;
  border: 1.5px solid var(--green);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  background: var(--white);
  color: var(--text);
  outline: none;
  min-width: 0;
}

.stock-save {
  background: var(--green);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  flex-shrink: 0;
}

.stock-save:hover { background: var(--green-dark); }

.stock-search-box {
  margin-bottom: 10px;
}

.stock-search-box input {
  width: 100%;
  padding: 9px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  background: var(--white);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}

.stock-search-box input:focus { border-color: var(--green); }

.empty-stock {
  text-align: center;
  padding: 32px 0;
  color: var(--text-muted);
  font-size: 14px;
}

.hint {
  text-align: center;
  padding: 32px 0;
  color: var(--text-muted);
  font-size: 14px;
  font-style: italic;
}

.stock-filter {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--white);
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  font-weight: 500;
}

.filter-btn.active { background: var(--green); color: white; border-color: var(--green); }

.divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

/* Dark Mode Styles */
.dark-mode {
  --green: #2d8a5d;
  --green-light: #1a4a32;
  --green-mid: #3da76a;
  --green-dark: #1a5a3a;
  --text: #e5e7eb;
  --text-muted: #9ca3af;
  --border: #374151;
  --bg: #111827;
  --white: #1f2937;
  --red: #ef4444;
  --amber: #f59e0b;
}

.dark-mode header {
  background: var(--green-dark);
}

.dark-mode .result-card {
  background: var(--white);
  border-color: var(--border);
}

.dark-mode .stock-item {
  background: var(--white);
  border-color: var(--border);
}

.dark-mode .tab {
  color: rgba(255,255,255,0.7);
}

.dark-mode .tab.active {
  color: white;
}

/* ── Offline banner ──────────────────────────────────────────────────────── */
.offline-banner {
  display: none;
  background: #dc2626;
  color: white;
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  position: sticky;
  top: 0;
  z-index: 20;
}

/* ── Header layout ───────────────────────────────────────────────────────── */
.header-info { flex: 1; }
.header-btns { display: flex; gap: 6px; }

.icon-btn {
  background: rgba(255,255,255,0.15);
  border: none;
  border-radius: 6px;
  padding: 7px 9px;
  color: white;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.15s;
  line-height: 1;
}
.icon-btn:hover { background: rgba(255,255,255,0.28); }

/* ── Search history ──────────────────────────────────────────────────────── */
.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 20px 0 10px;
}

.clear-btn {
  background: none;
  border: none;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: inherit;
}
.clear-btn:hover { background: var(--bg); color: var(--red); }

.history-list { display: flex; flex-wrap: wrap; gap: 6px; }

.history-pill {
  padding: 5px 12px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  color: var(--text);
  transition: all 0.15s;
}
.history-pill:hover { border-color: var(--green); color: var(--green); }

/* ── Stock stats ─────────────────────────────────────────────────────────── */
.stats-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.stat-box {
  flex: 1;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 8px;
  text-align: center;
  animation: fadeIn 0.2s ease;
}

.stat-num {
  font-size: 22px;
  font-weight: 600;
  color: var(--green-dark);
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.stat-warn .stat-num  { color: #92400e; }
.stat-danger .stat-num { color: var(--red); }

/* ── Stock actions (export / import) ─────────────────────────────────────── */
.stock-actions {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

.btn-sm {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  color: var(--text);
  font-weight: 500;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.btn-sm:hover { border-color: var(--green); color: var(--green); }
.import-label { cursor: pointer; }

/* ── Clickable stock status ──────────────────────────────────────────────── */
.stock-status.clickable:hover {
  text-decoration: underline;
  opacity: 0.8;
}

/* ── Retry button ────────────────────────────────────────────────────────── */
.retry-btn {
  display: inline-block;
  margin-top: 8px;
  padding: 6px 14px;
  background: #fca5a5;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  color: #7f1d1d;
  font-weight: 500;
  transition: background 0.15s;
}
.retry-btn:hover { background: #f87171; }

/* ── Dark mode — new components ──────────────────────────────────────────── */
.dark-mode input,
.dark-mode .stock-add input {
  background: var(--white);
  color: var(--text);
  border-color: var(--border);
}
.dark-mode .history-pill   { background: var(--white); border-color: var(--border); color: var(--text); }
.dark-mode .stat-box       { background: var(--white); border-color: var(--border); }
.dark-mode .btn-sm         { background: var(--white); border-color: var(--border); color: var(--text); }
.dark-mode .pill           { background: var(--bg);    border-color: var(--border); color: var(--text); }
.dark-mode .filter-btn     { background: var(--white); border-color: var(--border); color: var(--text); }
.dark-mode .status-btn     { background: var(--white); border-color: var(--border); color: var(--text); }
.dark-mode .warning-box    { background: #2d2a1a; border-color: #6b5a00; color: #fcd34d; }
.dark-mode .error-box      { background: #2d1a1a; border-color: #7f1d1d; color: #fca5a5; }
.dark-mode .not-found strong { color: var(--text); }
.dark-mode .badge-otc      { background: #064e3b; color: #6ee7b7; }
.dark-mode .badge-rx       { background: #4a1515; color: #fca5a5; }
.dark-mode .result-name    { color: #6ee7b7; }
.dark-mode .stat-warn .stat-num  { color: #fcd34d; }
.dark-mode .stat-danger .stat-num { color: #f87171; }
.dark-mode .stock-search-box input { background: var(--white); border-color: var(--border); color: var(--text); }
.dark-mode .stock-edit-input { background: var(--white); border-color: var(--green); color: var(--text); }
.dark-mode .stock-edit-btn:hover { background: var(--green-dark); }

/* ── Result action buttons ───────────────────────────────────────────────────── */
.result-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.btn-action {
  flex: 1;
  padding: 9px 8px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  color: var(--text);
  font-weight: 500;
  transition: all 0.15s;
  text-align: center;
}

.btn-action:hover { border-color: var(--green); color: var(--green); }
.btn-action:disabled { opacity: 0.7; cursor: default; border-color: var(--green); color: var(--green); }
.btn-action.btn-in-stock { border-color: var(--green); color: var(--green-dark); background: var(--green-light); }

/* ── Install banner ──────────────────────────────────────────────────────────── */
.install-banner {
  background: var(--green);
  color: white;
  padding: 10px 16px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  font-weight: 500;
}

.install-banner-btns { display: flex; gap: 6px; flex-shrink: 0; }

.install-banner-btns button {
  background: rgba(255,255,255,0.18);
  border: none;
  border-radius: 6px;
  padding: 5px 12px;
  color: white;
  font-size: 13px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

.install-banner-btns button:first-child { background: white; color: var(--green); font-weight: 600; }
.install-banner-btns button:first-child:hover { background: rgba(255,255,255,0.88); }
.install-banner-btns button:last-child:hover { background: rgba(255,255,255,0.3); }

/* ── Stock date ──────────────────────────────────────────────────────────────── */
.stock-date {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 1px;
}

/* ── Clear ska button ────────────────────────────────────────────────────────── */
.btn-clear-ska {
  width: 100%;
  padding: 8px 14px;
  border: 1px dashed var(--red);
  border-radius: var(--radius-sm);
  background: none;
  color: var(--red);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  font-weight: 500;
  margin-bottom: 10px;
  transition: all 0.15s;
}

.btn-clear-ska:hover { background: #fef2f2; }

/* ── Dark mode — new components ──────────────────────────────────────────────── */
.dark-mode .btn-action { background: var(--white); border-color: var(--border); color: var(--text); }
.dark-mode .btn-action.btn-in-stock { background: var(--green-dark); border-color: var(--green); color: #6ee7b7; }
.dark-mode .btn-clear-ska:hover { background: #2d1a1a; }