:root {
  --cream: #faf6f0;
  --warm-white: #fffdf9;
  --sage: #7a9e7e;
  --sage-dark: #5a7d5e;
  --sage-light: #c8ddc9;
  --sage-mist: #eef4ee;
  --gold: #c9a84c;
  --gold-light: #f0e4c0;
  --brown: #6b4f3a;
  --brown-light: #c4a882;
  --text-dark: #2c2416;
  --text-mid: #5a4a35;
  --text-light: #9a8570;
  --border: #e0d4c0;
  --shadow: 0 4px 20px rgba(90,60,30,0.08);
  --shadow-hover: 0 8px 32px rgba(90,60,30,0.15);
}

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

body {
  font-family: 'Noto Sans SC', sans-serif;
  background: var(--cream);
  color: var(--text-dark);
  min-height: 100vh;
}

/* Header */
.app-header {
  background: linear-gradient(135deg, #3d6b41 0%, #5a7d5e 50%, #7a9e7e 100%);
  padding: 28px 32px 24px;
  position: relative;
  overflow: hidden;
}
.app-header::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.header-inner { position: relative; z-index: 1; display: flex; align-items: center; gap: 16px; }
.header-icon { font-size: 40px; }
.header-title { color: white; }
.header-title h1 { font-family: 'Noto Serif SC', serif; font-size: 24px; font-weight: 600; letter-spacing: 2px; }
.header-title p { font-size: 13px; opacity: 0.8; margin-top: 4px; letter-spacing: 1px; }

/* Nav tabs */
.nav-tabs {
  display: flex;
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  gap: 0;
  overflow-x: auto;
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav-tab {
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  transition: all 0.2s;
}
.nav-tab:hover { color: var(--sage-dark); }
.nav-tab.active { color: var(--sage-dark); border-bottom-color: var(--sage); }

.section-title-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  background: white;
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 50;
}
.section-title-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--sage-dark);
  border-bottom: 2px solid var(--sage);
  padding-bottom: 4px;
}

/* Main content */
.main { padding: 24px; max-width: 960px; margin: 0 auto; }

/* Section */
.section { max-width: 800px; margin-left: auto; margin-right: auto; }

/* Search box */
.search-box {
  background: white;
  border-radius: 16px;
  padding: 20px 24px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}
.search-label { font-size: 13px; color: var(--text-light); margin-bottom: 10px; letter-spacing: 0.5px; }
.search-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.search-input {
  flex: 1; min-width: 200px;
  padding: 11px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text-dark);
  background: var(--cream);
  transition: border-color 0.2s;
  outline: none;
}
.search-input:focus { border-color: var(--sage); background: white; }
.btn {
  padding: 11px 22px;
  border-radius: 10px;
  border: none;
  font-size: 14px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-primary { background: var(--sage); color: white; }
.btn-primary:hover { background: var(--sage-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(90,125,94,0.3); }
.btn-gold { background: var(--gold); color: white; }
.btn-gold:hover { background: #b8973e; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--sage-dark); border: 1.5px solid var(--sage); }
.btn-outline:hover { background: var(--sage-mist); }
.btn-danger { background: transparent; color: #c0392b; border: 1.5px solid #e8b4b0; }
.btn-danger:hover { background: #fdf0ee; }
.btn-sm { padding: 7px 14px; font-size: 13px; }

/* Recipe grid */
.recipe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.recipe-card {
  background: white;
  border-radius: 14px;
  padding: 18px;
  cursor: pointer;
  box-shadow: var(--shadow);
  border: 2px solid transparent;
  transition: all 0.2s;
  position: relative;
}
.recipe-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: var(--sage-light); }
.recipe-card.selected { border-color: var(--sage); background: var(--sage-mist); }
.recipe-card-name {
  font-family: 'Noto Serif SC', serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.recipe-card-oils { font-size: 12px; color: var(--text-light); line-height: 1.7; }
.recipe-card-price {
  margin-top: 12px;
  font-size: 13px;
  color: var(--sage-dark);
  font-weight: 600;
  display: flex; align-items: center; gap: 6px;
}

/* Detail panel */
.detail-panel {
  background: white;
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
.detail-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 24px; flex-wrap: wrap; gap: 12px;
}
.detail-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 22px; font-weight: 700; color: var(--text-dark);
}
.detail-note {
  font-size: 13px; color: var(--text-light);
  background: var(--gold-light); border-radius: 8px;
  padding: 6px 12px; margin-top: 6px;
  display: inline-block;
}
.detail-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* Ingredients table */
.ingredients-table { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
.ingredients-table th {
  text-align: center; padding: 10px 14px;
  font-size: 12px; font-weight: 600;
  color: var(--text-light); letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border);
  text-transform: uppercase;
}
.ingredients-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 14px; vertical-align: middle;
  text-align: center;
}
.ingredients-table tr:last-child td { border-bottom: none; }
.ingredients-table tr:hover td { background: var(--sage-mist); }

.drops-input {
  width: 70px; padding: 6px 10px;
  border: 1.5px solid var(--border); border-radius: 8px;
  font-size: 14px; font-family: inherit; text-align: center;
  outline: none; transition: border-color 0.2s;
}
.drops-input:focus { border-color: var(--sage); }

.oil-select {
  padding: 6px 10px;
  border: 1.5px solid var(--border); border-radius: 8px;
  font-size: 13px; font-family: inherit;
  background: white; outline: none;
  max-width: 160px;
}
.oil-select:focus { border-color: var(--sage); }

.remove-btn {
  background: none; border: none; cursor: pointer;
  color: #c0392b; font-size: 18px; padding: 4px 8px;
  border-radius: 6px; transition: background 0.2s;
}
.remove-btn:hover { background: #fdf0ee; }

.total-row {
  background: var(--sage-mist);
  border-radius: 12px; padding: 16px 20px;
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 16px;
}
.total-label { font-size: 14px; color: var(--text-mid); font-weight: 500; }
.total-price { font-size: 22px; font-weight: 700; color: var(--sage-dark); }

/* Add ingredient */
.add-ingredient-row {
  display: flex; gap: 10px; align-items: center;
  margin-top: 12px; flex-wrap: wrap;
}
.add-ingredient-row select, .add-ingredient-row input {
  padding: 8px 12px; border: 1.5px solid var(--border);
  border-radius: 8px; font-size: 13px; font-family: inherit;
  outline: none;
}
.add-ingredient-row select:focus, .add-ingredient-row input:focus { border-color: var(--sage); }

/* Card preview for export */
.card-preview-wrapper { margin-top: 20px; }
.card-brand {
  font-size: 11px; letter-spacing: 3px; color: var(--sage);
  margin-bottom: 8px;
}
.card-title {
  font-size: 26px; font-weight: 700; color: var(--text-dark);
  margin-bottom: 6px; line-height: 1.3;
}
.card-divider {
  width: 48px; height: 2px;
  background: linear-gradient(90deg, var(--sage), var(--gold));
  border-radius: 2px; margin: 14px 0;
}
.card-note { font-size: 12px; color: var(--brown-light); margin-bottom: 18px; }
.card-ingredients { list-style: none; margin-bottom: 20px; }
.card-ingredients li {
  display: flex; align-items: center;
  padding: 9px 0; border-bottom: 1px solid rgba(180,150,100,0.15);
  font-size: 14px;
}
.card-ingredients li:last-child { border-bottom: none; }
.card-oil-name { flex: 1; color: var(--text-dark); font-weight: 500; }
.card-oil-drops { width: 60px; text-align: right; color: var(--sage-dark); font-size: 13px; }
.card-oil-cost { width: 70px; text-align: right; color: var(--text-light); font-size: 12px; }
.card-total {
  background: linear-gradient(135deg, var(--sage), #5a7d5e);
  border-radius: 12px; padding: 14px 20px;
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 8px;
}
.card-total-label { color: rgba(255,255,255,0.85); font-size: 13px; letter-spacing: 1px; }
.card-total-price { color: white; font-size: 20px; font-weight: 700; }
.card-footer {
  margin-top: 16px; text-align: center;
  font-size: 11px; color: var(--text-light); letter-spacing: 1px;
}

/* Manage section */
.manage-list { display: flex; flex-direction: column; gap: 12px; }
.manage-item {
  background: white; border-radius: 14px; padding: 18px 22px;
  box-shadow: var(--shadow); display: flex;
  justify-content: space-between; align-items: center;
  gap: 12px; flex-wrap: wrap;
}
.manage-item-left { flex: 1; }
.manage-item-name { font-weight: 600; font-size: 16px; color: var(--text-dark); }
.manage-item-oils { font-size: 13px; color: var(--text-light); margin-top: 4px; }
.manage-item-actions { display: flex; gap: 8px; flex-shrink: 0; flex-wrap: wrap; }

/* Add recipe form */
.form-card {
  background: white; border-radius: 16px;
  padding: 28px; box-shadow: var(--shadow); margin-bottom: 24px;
}
.form-title { font-family: 'Noto Serif SC', serif; font-size: 18px; font-weight: 600; margin-bottom: 20px; color: var(--text-dark); }
.form-group { margin-bottom: 16px; }
.form-label { font-size: 13px; color: var(--text-mid); margin-bottom: 6px; display: block; font-weight: 500; }
.form-control {
  width: 100%; padding: 10px 14px;
  border: 1.5px solid var(--border); border-radius: 10px;
  font-size: 14px; font-family: inherit; outline: none;
  transition: border-color 0.2s; background: white;
}
.form-control:focus { border-color: var(--sage); }

.new-ing-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.new-ing-row { display: flex; gap: 8px; align-items: center; }
.new-ing-row select { flex: 1; }
.new-ing-row input { width: 80px; }

/* Oils section */
.oils-search { margin-bottom: 16px; }
.oils-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}
.oil-chip {
  background: white; border-radius: 10px; padding: 12px 16px;
  box-shadow: 0 2px 8px rgba(90,60,30,0.06);
  display: flex; justify-content: space-between; align-items: center;
  gap: 8px;
}
.oil-chip-name { font-size: 14px; color: var(--text-dark); font-weight: 500; }
.oil-chip-price { font-size: 13px; color: var(--sage-dark); font-weight: 600; }
.oil-chip-actions { display: flex; gap: 4px; }
.oil-chip-btn {
  background: none; border: none; cursor: pointer;
  font-size: 13px; padding: 3px 6px; border-radius: 6px;
  transition: background 0.2s; color: var(--text-light);
}
.oil-chip-btn:hover { background: var(--sage-mist); color: var(--sage-dark); }
.oil-chip-btn.del:hover { background: #fdf0ee; color: #c0392b; }
.oil-edit-input {
  width: 90px; padding: 4px 8px; border: 1.5px solid var(--sage);
  border-radius: 6px; font-size: 13px; font-family: inherit;
  text-align: center; outline: none;
}
.add-oil-form {
  background: white; border-radius: 14px; padding: 16px 20px;
  box-shadow: var(--shadow); margin-bottom: 16px;
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}
.add-oil-form input {
  padding: 9px 14px; border: 1.5px solid var(--border);
  border-radius: 8px; font-size: 14px; font-family: inherit; outline: none;
}
.add-oil-form input:focus { border-color: var(--sage); }

/* Empty state */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-light); }
.empty-state-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state-text { font-size: 15px; }

/* Tag */
.tag {
  display: inline-block; padding: 3px 10px;
  border-radius: 20px; font-size: 12px;
  background: var(--sage-mist); color: var(--sage-dark);
  margin: 2px;
}
.tag-btn {
  display: inline-flex; align-items: center; gap: 3px;
  padding: 4px 10px; border-radius: 16px; font-size: 12px;
  background: var(--sage-mist); color: var(--sage-dark);
  border: 1.5px solid transparent; cursor: pointer;
  transition: all 0.2s;
}
.tag-btn:hover { border-color: var(--sage); }
.tag-btn.active { background: var(--sage); color: white; border-color: var(--sage); }
.tag-btn .tag-del {
  font-size: 14px; margin-left: 2px; opacity: 0.5;
  cursor: pointer; border: none; background: none;
  color: inherit; padding: 0 2px;
}
.tag-btn .tag-del:hover { opacity: 1; }

/* Tag picker overlay */
.tag-picker {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.3); z-index: 999;
  display: flex; align-items: center; justify-content: center;
}
.tag-picker-card {
  background: white; border-radius: 16px; padding: 24px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.2); max-width: 400px; width: 90%;
}
.tag-picker-title { font-family: 'Noto Serif SC', serif; font-size: 16px; font-weight: 600; margin-bottom: 14px; }
.tag-picker-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.tag-pick {
  padding: 6px 14px; border-radius: 20px; font-size: 13px;
  border: 1.5px solid var(--border); background: white;
  color: var(--text-mid); cursor: pointer; transition: all 0.15s;
}
.tag-pick:hover { border-color: var(--sage); }
.tag-pick.selected { background: var(--sage); color: white; border-color: var(--sage); }

/* Hint */
.hint { font-size: 12px; color: var(--text-light); margin-top: 6px; }

.section-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 18px; font-weight: 600; color: var(--text-dark);
  margin-bottom: 16px; display: flex; align-items: center; gap: 8px;
}

/* Category carousel */
.cat-wrap { position: relative; margin: 0 -24px 20px; overflow: hidden; }
.cat-track { display: flex; transition: transform 0.4s ease; will-change: transform; }
.cat-card {
  flex: 0 0 100%; min-height: 200px; position: relative; overflow: hidden; cursor: pointer;
  background-size: cover; background-position: center;
}
.cat-card::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.45), rgba(0,0,0,0.25));
}
.cat-inner {
  position: relative; z-index: 1; height: 100%; display: flex; flex-direction: column;
  justify-content: center; align-items: center; padding: 36px 24px; color: white; text-align: center;
}
.cat-icon { font-size: 48px; margin-bottom: 10px; filter: drop-shadow(0 2px 6px rgba(0,0,0,0.3)); }
.cat-name { font-family: 'Noto Serif SC', serif; font-size: 24px; font-weight: 700; letter-spacing: 3px; text-shadow: 0 2px 8px rgba(0,0,0,0.5); }
.cat-sub { font-size: 13px; margin-top: 6px; opacity: 0.9; letter-spacing: 1px; }
.cat-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
  width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.25);
  border: none; color: white; font-size: 18px; cursor: pointer; backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; transition: background 0.2s;
}
.cat-arrow:hover { background: rgba(255,255,255,0.45); }
.cat-arrow.left { left: 12px; }
.cat-arrow.right { right: 12px; }
.cat-dots { display: flex; justify-content: center; gap: 8px; margin-bottom: 14px; }
.cat-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border); cursor: pointer; transition: all 0.25s; }
.cat-dot.active { background: var(--sage); width: 22px; border-radius: 4px; }

/* Toast */
.toast {
  position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%);
  background: rgba(0,0,0,0.8); color: white; padding: 10px 24px;
  border-radius: 20px; font-size: 14px; z-index: 9000;
  pointer-events: none; transition: opacity 0.3s;
}

/* Custom dialog overlay */
.dialog-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.45);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.dialog-box {
  background: white; border-radius: 16px; padding: 28px 24px 20px;
  max-width: 340px; width: 100%;
  box-shadow: 0 12px 40px rgba(0,0,0,0.2); font-family: inherit;
}
.dialog-msg {
  font-size: 14px; color: #333; line-height: 1.6;
  white-space: pre-line; word-break: break-word;
  margin-bottom: 20px; text-align: center;
}
.dialog-btn-row { display: flex; gap: 10px; justify-content: center; }
.dialog-btn-primary {
  flex: 1; max-width: 140px; padding: 10px 0; border: none; border-radius: 10px;
  font-size: 14px; font-weight: 600; cursor: pointer;
  background: linear-gradient(135deg, #7a9e7e, #5a7d5e); color: white;
}
.dialog-btn-outline {
  flex: 1; max-width: 140px; padding: 10px 0;
  border: 1.5px solid #d4cfc7; border-radius: 10px;
  font-size: 14px; cursor: pointer; background: white; color: #666;
}

/* Responsive */
@media (max-width: 600px) {
  .main { padding: 8px; }
  .section { max-width: 100%; }
  .detail-panel { padding: 12px; }
  .recipe-grid { grid-template-columns: 1fr; }
  .ingredients-table { font-size: 12px; }
  .ingredients-table td, .ingredients-table th { padding: 6px 4px; }
  .oil-select { max-width: 100px; font-size: 11px; }
  .drops-input { width: 50px; font-size: 12px; }
  .search-input { padding: 8px 10px; font-size: 14px; }
  .search-box { padding: 12px; }
  .search-label { font-size: 12px; margin-bottom: 6px; }
  .form-card { padding: 16px; }
  .section-title { font-size: 16px; }
  .manage-item { padding: 10px 12px; }
  .nav-tab { padding: 10px 12px; font-size: 13px; }
  .oil-chip { padding: 10px 12px; }
  .oils-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 8px; }
  .app-header { padding: 20px 16px 18px; }
  .header-title h1 { font-size: 20px; }
}
