:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --line: #ececec;
  --line-strong: #d9d9d9;
  --text: #111111;
  --text-secondary: #666666;
  --muted: #999999;
  --accent: #111111;
  --accent-soft: #f3f3f3;
  --selected: #f5f5f5;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

button,
input,
select {
  touch-action: manipulation;
}

.app {
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 24px 72px;
}

.header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.header-top {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.badge {
  margin: 0;
  color: var(--muted);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

.updated {
  margin: 0;
  color: var(--muted);
  font-size: 0.8125rem;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  letter-spacing: -0.03em;
  font-weight: 600;
}

.subtitle {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.975rem;
  font-weight: 400;
}

.panel {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
}

.filters {
  margin-bottom: 36px;
}

.filter-group + .filter-group {
  margin-top: 24px;
}

label {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip-row.scroll-x {
  flex-wrap: nowrap;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 2px;
}

.chip-row.scroll-x::-webkit-scrollbar {
  display: none;
}

.chip {
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius);
  padding: 8px 12px;
  cursor: pointer;
  transition: 0.12s ease;
  font-size: 0.9rem;
}

.chip:hover {
  color: var(--text);
  background: var(--selected);
}

.chip.active {
  background: var(--text);
  color: #fff;
}

input[type="search"] {
  width: 100%;
  padding: 12px 0;
  border: none;
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  font-size: 1rem;
  transition: 0.12s ease;
}

input[type="search"]::placeholder {
  color: #b3b3b3;
}

input[type="search"]:focus {
  outline: none;
  border-bottom-color: var(--text);
}

.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: start;
}

.products-panel,
.results-panel {
  min-width: 0;
}

.products-panel {
  position: sticky;
  top: 24px;
  align-self: start;
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
}

.product-controls {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.control-label {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.control-label:first-child {
  margin-top: 0;
}

.product-controls input[type="search"],
.product-controls select {
  width: 100%;
  padding: 10px 0;
  border: none;
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  font-size: 0.925rem;
}

.product-controls input[type="search"]:focus,
.product-controls select:focus {
  outline: none;
  border-bottom-color: var(--text);
}

.product-controls select {
  cursor: pointer;
}

.chip-row.compact {
  gap: 4px;
}

.chip-row.compact .chip {
  padding: 6px 10px;
  font-size: 0.8rem;
}

.product-group + .product-group {
  margin-top: 14px;
}

.product-group-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 4px;
  padding: 4px 2px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.panel-head h2 {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.count {
  color: var(--muted);
  font-size: 0.8125rem;
}

.product-list {
  display: grid;
  gap: 0;
  flex: 1;
  min-height: 0;
  overflow: auto;
  overscroll-behavior: contain;
}

.product-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 12px 4px;
  border: none;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: 0.12s ease;
}

.product-btn:hover {
  background: var(--selected);
}

.product-btn.active {
  background: var(--selected);
}

.product-btn.active strong {
  font-weight: 600;
}

.product-btn strong {
  font-weight: 500;
}

.product-btn span {
  color: var(--muted);
  font-size: 0.78rem;
}

.hint {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 0.9rem;
}

.combo-list {
  display: grid;
  gap: 0;
}

.combo-card {
  border: none;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: 20px 0;
  background: transparent;
}

.combo-card:first-child {
  padding-top: 0;
}

.combo-card-head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.combo-card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.store-tags,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.store-tag,
.tag {
  padding: 0;
  border-radius: 0;
  font-size: 0.75rem;
  font-weight: 500;
}

.store-tag {
  color: var(--text-secondary);
  position: relative;
  padding-left: 10px;
}

.store-tag::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  transform: translateY(-50%);
  background: var(--muted);
}

.store-tag[data-store="cu"]::before { background: #8b5e3c; }
.store-tag[data-store="gs25"]::before { background: #00704a; }
.store-tag[data-store="seven"]::before { background: #008043; }
.store-tag[data-store="emart24"]::before { background: #c9922a; }
.store-tag[data-store="all"]::before { background: #999; }

.tag {
  background: transparent;
  color: var(--muted);
  border: none;
}

.tag-row {
  margin-top: 4px;
}

.combo-desc {
  margin: 0 0 12px;
  color: var(--text-secondary);
  line-height: 1.65;
  font-size: 0.925rem;
}

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

.ingredient {
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  font-size: 0.875rem;
  font-weight: 400;
}

.ingredient:not(:last-child)::after {
  content: "·";
  margin-left: 8px;
  color: var(--line-strong);
}

.ingredient.selected {
  color: var(--text);
  font-weight: 600;
}

.recommended-products {
  margin-bottom: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.recommended-title {
  margin: 0 0 10px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.pick-row + .pick-row {
  margin-top: 10px;
}

.pick-ingredient {
  display: block;
  margin-bottom: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
}

.pick-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.pick-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.pick-name {
  line-height: 1.5;
}

.combo-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.8125rem;
}

.detail-btn {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 8px 14px;
  background: transparent;
  color: var(--text);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: 0.12s ease;
}

.detail-btn:hover {
  background: var(--text);
  border-color: var(--text);
  color: #fff;
}

.empty {
  padding: 40px 0;
  border: none;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  text-align: left;
  font-size: 0.925rem;
}

.footer {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8125rem;
}

.footer code {
  color: var(--text-secondary);
  background: transparent;
  padding: 0;
  border-radius: 0;
  border: none;
  font-family: inherit;
}

.modal {
  width: min(560px, calc(100vw - 32px));
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0;
  background: #fff;
  color: var(--text);
  box-shadow: none;
}

.modal::backdrop {
  background: rgba(0, 0, 0, 0.18);
  backdrop-filter: none;
}

.modal-inner {
  position: relative;
  padding: 28px 24px 24px;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.modal-close:hover {
  background: var(--selected);
  color: var(--text);
}

.modal h2 {
  margin: 0 0 8px;
  padding-right: 32px;
  font-weight: 600;
  font-size: 1.125rem;
}

.modal-section {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.modal-section h3 {
  margin: 0 0 8px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.modal-section p,
.modal-section li {
  color: var(--text-secondary);
  line-height: 1.65;
  font-size: 0.925rem;
}

.modal-section a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
  word-break: break-all;
}

.modal-section ul {
  margin: 0;
  padding-left: 18px;
}

.modal .ingredient-row {
  margin-bottom: 0;
}

.mobile-tabs {
  display: none;
}

.site-nav {
  display: flex;
  gap: 12px;
}

.site-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
}

.site-nav a.active,
.site-nav a:hover {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.community-badge,
.reflected-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-secondary);
  vertical-align: middle;
}

.reflected-badge {
  border-color: var(--text);
  color: var(--text);
}

.board-write,
.board-list-panel {
  margin-bottom: 28px;
}

.board-form {
  display: grid;
  gap: 18px;
}

.board-form .form-field,
.board-form .form-fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.board-form .form-field {
  display: grid;
  gap: 8px;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.875rem;
  color: var(--text);
}

.board-form .form-fieldset legend {
  padding: 0;
  margin-bottom: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

.board-form input[type="text"],
.board-form textarea,
.board-form select,
.board-form .ingredient-input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  line-height: 1.4;
  -webkit-user-select: text;
  user-select: text;
}

.board-form input[type="text"]:focus,
.board-form textarea:focus,
.board-form select:focus,
.board-form .ingredient-input:focus {
  outline: none;
  border-color: var(--text);
}

.board-form textarea {
  resize: vertical;
  min-height: 120px;
}

.ingredient-list {
  display: grid;
  gap: 8px;
  margin-bottom: 8px;
}

.ingredient-row-input {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}

.icon-btn,
.text-btn {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  cursor: pointer;
  font: inherit;
}

.icon-btn {
  width: 44px;
  height: 44px;
  padding: 0;
  font-size: 1.25rem;
  line-height: 1;
}

.icon-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.text-btn {
  min-height: 40px;
  padding: 8px 12px;
  font-size: 0.875rem;
}

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.radio-option {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  font-size: 0.875rem;
  text-transform: none;
  letter-spacing: 0;
  cursor: pointer;
}

.radio-option:has(input:checked) {
  border-color: var(--text);
  background: var(--selected);
}

.radio-option input {
  margin: 0;
  accent-color: var(--text);
}

.difficulty-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field-hint,
.form-message {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--muted);
}

.form-message.success {
  color: #047857;
}

.form-message.error {
  color: #b45309;
}

.primary-btn {
  width: fit-content;
}

.board-list {
  display: grid;
  gap: 0;
}

.board-card {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.board-card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 8px;
}

.board-card h3 {
  margin: 0;
  font-size: 1rem;
}

.board-meta {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.8125rem;
}

.vote-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 12px;
}

.vote-btn {
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.vote-btn.active {
  background: var(--text);
  color: #fff;
  border-color: var(--text);
}

.vote-btn.down.active {
  background: #666;
  border-color: #666;
}

.vote-score {
  color: var(--muted);
  font-size: 0.8125rem;
}

@media (max-width: 900px) {
  .app {
    padding: 24px 16px calc(72px + env(safe-area-inset-bottom));
  }

  .header {
    margin-bottom: 24px;
    padding-bottom: 16px;
  }

  .header-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .filters {
    margin-bottom: 16px;
  }

  .filter-group + .filter-group {
    margin-top: 16px;
  }

  .chip-row {
    flex-wrap: nowrap;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
  }

  .chip-row::-webkit-scrollbar {
    display: none;
  }

  .chip {
    flex: 0 0 auto;
    min-height: 44px;
    padding: 10px 14px;
  }

  .mobile-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    position: sticky;
    top: 0;
    z-index: 20;
    margin-bottom: 16px;
    padding: 8px 0;
    background: color-mix(in srgb, var(--bg) 92%, transparent);
    backdrop-filter: blur(8px);
  }

  .mobile-tab {
    min-height: 44px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    background: #fff;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
  }

  .mobile-tab.active {
    background: var(--text);
    border-color: var(--text);
    color: #fff;
  }

  .layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  body[data-mobile-tab="products"] .results-panel {
    display: none;
  }

  body[data-mobile-tab="results"] .products-panel {
    display: none;
  }

  .products-panel,
  .results-panel {
    min-height: auto;
  }

  .products-panel {
    position: static;
    max-height: none;
  }

  .product-controls input[type="search"],
  .product-controls select,
  input[type="search"] {
    font-size: 16px;
  }

  .product-list {
    max-height: none;
    overflow: visible;
  }

  .product-btn,
  .detail-btn,
  .modal-close {
    min-height: 44px;
  }

  .product-btn {
    padding: 14px 2px;
  }

  .product-btn strong {
    font-size: 0.95rem;
  }

  .combo-card {
    padding: 18px 0;
  }

  .combo-card-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .combo-card h3 {
    font-size: 1.05rem;
    line-height: 1.45;
  }

  .combo-meta {
    flex-direction: column;
    gap: 6px;
  }

  .pick-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 8px 0;
    border-bottom: 1px solid var(--line);
  }

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

  .detail-btn {
    width: 100%;
    padding: 12px 14px;
  }

  .modal {
    width: 100%;
    max-width: none;
    margin: 0;
    border: none;
    border-radius: 16px 16px 0 0;
    max-height: calc(100dvh - env(safe-area-inset-top));
  }

  .modal::backdrop {
    background: rgba(0, 0, 0, 0.35);
  }

  .modal-inner {
    padding: 24px 16px calc(16px + env(safe-area-inset-bottom));
    max-height: calc(100dvh - env(safe-area-inset-top));
    overflow: auto;
  }

  .footer {
    margin-top: 32px;
    font-size: 0.78rem;
    line-height: 1.6;
  }
}

@media (max-width: 480px) {
  .app {
    padding-left: 14px;
    padding-right: 14px;
  }

  h1 {
    font-size: 1.55rem;
  }

  .subtitle {
    font-size: 0.9rem;
  }

  .chip-row.compact .chip {
    padding: 8px 12px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .board-form input[type="text"],
  .board-form textarea,
  .board-form select,
  .board-form .ingredient-input {
    font-size: 16px;
  }

  .difficulty-group {
    grid-template-columns: 1fr;
  }

  .site-nav {
    width: 100%;
  }

  .vote-row {
    flex-direction: column;
    align-items: stretch;
  }

  .vote-btn,
  .primary-btn {
    width: 100%;
  }
}