:root {
  --maroon: #8a1024;
  --maroon-dark: #5b0716;
  --maroon-soft: #fff0f2;
  --maroon-faint: #fff8f9;
  --gold: #b8893a;
  --background: #f4f4f5;
  --panel: #ffffff;
  --line: #e5e7eb;
  --line-strong: #d1d5db;
  --text: #171717;
  --muted: #6b7280;
  --shadow: 0 20px 60px rgba(23, 23, 23, 0.08);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Arial, "Tahoma", sans-serif;
  min-width: 320px;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

button,
a,
input,
select {
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(138, 16, 36, 0.22);
  outline-offset: 2px;
}

.topbar {
  align-items: center;
  background: var(--maroon);
  color: #ffffff;
  display: flex;
  gap: 28px;
  min-height: 64px;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 10px 30px rgba(91, 7, 22, 0.14);
}

.brand {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: 0;
  min-width: max-content;
}

.nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.nav a {
  align-items: center;
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.88);
  display: inline-flex;
  font-size: 0.94rem;
  gap: 6px;
  padding: 10px 12px;
}

.nav-icon {
  flex-shrink: 0;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.nav a.active {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font-weight: 900;
}

.auth-panel {
  margin-left: auto;
  min-width: max-content;
}

.auth-form {
  display: grid;
  gap: 8px;
}

.auth-open-button {
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 999px;
  color: #ffffff;
  cursor: pointer;
  display: inline-flex;
  font-weight: 900;
  gap: 10px;
  min-height: 42px;
  padding: 0 20px;
}

.auth-open-button[hidden] {
  display: none;
}

.auth-open-button:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.72);
}

.auth-open-button.is-logged-in {
  background: #ffffff;
  border-color: #ffffff;
  color: var(--maroon);
}

.auth-open-button.is-logged-in:hover {
  background: var(--maroon-soft);
  border-color: #ffffff;
}

.auth-open-button.is-logged-in .auth-open-icon {
  border-color: var(--maroon);
}

.auth-open-icon {
  align-items: center;
  border: 2px solid rgba(255, 255, 255, 0.88);
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.78rem;
  height: 22px;
  justify-content: center;
  line-height: 1;
  width: 22px;
}

.auth-modal {
  align-items: center;
  background: rgba(17, 24, 39, 0.58);
  display: flex;
  inset: 0;
  justify-content: center;
  padding: 24px;
  position: fixed;
  z-index: 40;
}

.auth-modal[hidden] {
  display: none;
}

.auth-dialog {
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 24px 80px rgba(17, 24, 39, 0.28);
  max-width: 520px;
  padding: 34px 30px 30px;
  position: relative;
  width: min(100%, 520px);
}

.auth-dialog h2 {
  font-size: 1.4rem;
  margin-bottom: 22px;
  text-align: center;
}

/* กล่องยืนยัน (ลบสินค้า/ลบสเปค/เปิด-ปิดบัญชี/ถอดสเปคออกจากคลังสาธารณะ) - แทนที่
   window.confirm() ของเบราว์เซอร์ซึ่งเป็นกล่องระบบ ปรับดีไซน์ไม่ได้เลย ด้วย popup
   ของเว็บเอง (ดู confirmDialog() ใน main.js) โครงสร้างเดียวกับ .auth-modal/.auth-dialog
   แค่เล็กกว่าเพราะมีแค่ข้อความ + ปุ่มสองปุ่ม */
.confirm-modal {
  align-items: center;
  background: rgba(17, 24, 39, 0.58);
  display: flex;
  inset: 0;
  justify-content: center;
  padding: 24px;
  position: fixed;
  z-index: 50;
}

.confirm-modal[hidden] {
  display: none;
}

.confirm-dialog {
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 24px 80px rgba(17, 24, 39, 0.28);
  max-width: 420px;
  padding: 28px;
  width: min(100%, 420px);
}

.confirm-message {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.55;
  margin: 0 0 22px;
}

.confirm-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.auth-close {
  align-items: center;
  background: #a3a3a3;
  border: 0;
  border-radius: 999px;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  font-size: 2rem;
  font-weight: 900;
  height: 42px;
  justify-content: center;
  line-height: 1;
  position: absolute;
  right: 16px;
  top: 16px;
  width: 42px;
}

.auth-mode-tabs {
  background: #f0f2f4;
  border-radius: 999px;
  display: grid;
  gap: 4px;
  grid-template-columns: 1fr 1fr;
  margin: 0 auto 24px;
  max-width: 360px;
  padding: 5px;
}

.auth-mode-tabs button {
  background: transparent;
  border: 0;
  border-radius: 999px;
  color: #9ca3af;
  cursor: pointer;
  font-weight: 900;
  min-height: 46px;
}

.auth-mode-tabs button.active {
  background: var(--maroon);
  color: #ffffff;
}

.auth-form label {
  display: grid;
  gap: 7px;
}

.auth-form label span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 900;
}

.auth-form input {
  background: #ffffff;
  border: 1px solid #cfd4dc;
  border-radius: 999px;
  min-height: 52px;
  padding: 0 18px;
}

.auth-form button[type="submit"],
.auth-user button {
  background: var(--maroon);
  border: 0;
  border-radius: 999px;
  color: #ffffff;
  cursor: pointer;
  font-weight: 900;
  min-height: 52px;
}

.auth-form button[type="submit"]:hover,
.auth-user button:hover {
  background: var(--maroon-dark);
}

.auth-divider {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 0.78rem;
  font-weight: 800;
  gap: 12px;
  margin: 18px 0;
}

.auth-divider::before,
.auth-divider::after {
  background: #e2e5ea;
  content: "";
  flex: 1;
  height: 1px;
}

.auth-google-button {
  align-items: center;
  background: #ffffff;
  border: 1px solid #cfd4dc;
  border-radius: 999px;
  color: #1f2937;
  cursor: pointer;
  display: flex;
  font-weight: 900;
  gap: 10px;
  justify-content: center;
  min-height: 52px;
  text-decoration: none;
}

.auth-google-button:hover {
  background: #f5f6f8;
  border-color: #b7bdc7;
}

.auth-facebook-button {
  align-items: center;
  background: #1877f2;
  border: 1px solid #1877f2;
  border-radius: 999px;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  font-weight: 900;
  gap: 10px;
  justify-content: center;
  margin-top: 10px;
  min-height: 52px;
  text-decoration: none;
}

.auth-facebook-button:hover {
  background: #166fe5;
  border-color: #166fe5;
}

.auth-user {
  align-items: center;
  display: flex;
  justify-content: flex-end;
}

.auth-user button {
  background: #ffffff;
  color: var(--maroon);
  min-height: 36px;
  padding: 0 16px;
}

.auth-user button:hover {
  background: var(--maroon-soft);
  color: var(--maroon-dark);
}

.auth-modal-status {
  color: var(--maroon);
  font-size: 0.86rem;
  font-weight: 800;
  margin: 14px 0 0;
  min-height: 18px;
  text-align: center;
}

.workspace {
  display: grid;
  gap: 0;
  grid-template-columns: 320px minmax(0, 1fr);
  margin: 0 auto;
  max-width: 1600px;
  padding: 0;
}

.sidebar,
.content {
  min-width: 0;
}

.summary,
.manual-panel,
.builder-panel,
.cart-panel,
.status-panel,
.category-panel,
.content {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0;
  box-shadow: none;
}

.sidebar {
  background: #ffffff;
  border-right: 1px solid var(--line);
  min-height: calc(100vh - 64px);
  position: sticky;
  top: 64px;
  align-self: start;
  max-height: calc(100vh - 64px);
  overflow: auto;
}

.workspace.history-mode {
  grid-template-columns: 1fr;
}

.workspace.history-mode .sidebar {
  display: none;
}

.workspace.history-mode [data-view-panel="products"] {
  display: none;
}

.workspace:not(.history-mode) [data-view-panel="history"] {
  display: none;
}

.summary {
  border-top: 6px solid var(--maroon);
  padding: 24px;
}

.eyebrow {
  color: var(--maroon);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  margin: 0 0 8px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: 1.75rem;
  line-height: 1.25;
  margin-bottom: 12px;
}

.summary p:last-child {
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 0;
}

.status-panel {
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr 1fr;
  margin-top: 14px;
  overflow: hidden;
}

.status-panel div {
  background: #ffffff;
  padding: 18px;
}

.label {
  color: var(--muted);
  display: block;
  font-size: 0.82rem;
  margin-bottom: 6px;
}

.status-panel strong {
  color: var(--maroon);
  display: block;
  font-size: 1.15rem;
}

.category-panel {
  margin-top: 14px;
  padding: 18px;
}

.manual-panel {
  border-left: 0;
  border-right: 0;
  border-top: 0;
  padding: 18px;
}

.builder-panel {
  margin-top: 14px;
  padding: 18px;
}

.cart-panel {
  margin-top: 14px;
  padding: 18px;
}

.panel-title {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 14px;
}

.panel-title h2 {
  font-size: 1rem;
  margin: 0;
}

/* ไอคอน+ข้อความ "เริ่มต้นใหม่" มุมขวาบนของหัวข้อ "จัดสเปคเอง" - ทางลัดของปุ่ม
   .reset-build-button เดิมด้านล่างสุดของแผง ให้เข้าถึงได้โดยไม่ต้องเลื่อนจอ ไม่มี
   กรอบ/พื้นหลัง ตัวหนังสือ+ไอคอนเป็นสีฟ้า brand ตรงไปตรงมาแบบลิงก์ข้อความ */
.icon-reset-button {
  align-items: center;
  background: transparent;
  border: 0;
  color: var(--maroon);
  cursor: pointer;
  display: inline-flex;
  flex: none;
  font-size: 0.78rem;
  font-weight: 700;
  gap: 5px;
  padding: 6px 2px;
}

.icon-reset-button:hover {
  color: var(--maroon-dark);
}

.text-button {
  background: transparent;
  border: 0;
  color: var(--maroon);
  cursor: pointer;
  font-weight: 800;
  padding: 6px;
}

.text-button:hover {
  color: var(--maroon-dark);
}

.builder-form {
  display: grid;
  gap: 14px;
}

.segmented {
  background: #f6f7f9;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 4px;
}

.segmented label {
  cursor: pointer;
}

.segmented input {
  position: absolute;
  opacity: 0;
}

.segmented span {
  align-items: center;
  border-radius: 6px;
  color: var(--muted);
  display: flex;
  font-weight: 900;
  justify-content: center;
  min-height: 42px;
}

.segmented input:checked + span {
  background: var(--maroon);
  color: #ffffff;
}

.field {
  display: grid;
  gap: 8px;
}

.field span,
.hint {
  color: var(--muted);
  font-size: 0.88rem;
}

.field input,
.field select {
  background: #ffffff;
  border: 1px solid #cfd4dc;
  border-radius: 6px;
  min-height: 44px;
  padding: 0 12px;
}

.primary-button {
  background: var(--maroon);
  border: 0;
  border-radius: 6px;
  color: #ffffff;
  cursor: pointer;
  font-weight: 900;
  min-height: 46px;
}

.primary-button:hover {
  background: var(--maroon-dark);
}

.primary-button:active,
.secondary-button:active,
.product-card button:active,
.saved-build-card button:active {
  transform: translateY(1px);
}

.secondary-button {
  background: #ffffff;
  border: 1px solid var(--maroon);
  border-radius: 6px;
  color: var(--maroon);
  cursor: pointer;
  font-weight: 900;
  min-height: 44px;
}

.secondary-button:disabled,
.primary-button:disabled,
.saved-build-card button:disabled {
  cursor: wait;
  opacity: 0.62;
}

.secondary-button.is-loading {
  background: var(--maroon-soft);
  color: var(--maroon-dark);
}

.secondary-button:hover {
  background: var(--maroon-soft);
}

.reset-build-button {
  background: #ffffff;
  border: 1px solid #c9a1a8;
  border-radius: 6px;
  color: var(--maroon-dark);
  cursor: pointer;
  font-weight: 900;
  min-height: 42px;
}

.reset-build-button:hover {
  background: var(--maroon-soft);
  border-color: var(--maroon);
  color: var(--maroon);
}

.save-build-actions {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
  margin-top: 16px;
  padding-top: 16px;
}

.hint {
  line-height: 1.5;
  margin: 0;
}

.manual-category-list {
  display: grid;
}

.manual-category {
  align-items: center;
  background: #ffffff;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  cursor: pointer;
  display: grid;
  gap: 16px;
  grid-template-columns: 52px minmax(0, 1fr) 42px 58px;
  min-height: 70px;
  padding: 10px 0;
  text-align: left;
}

.manual-category:hover,
.manual-category.active {
  background: var(--maroon-faint);
  color: var(--maroon);
}

.manual-category.selected {
  background: #fff7f8;
}

.manual-icon {
  background: #e5e7eb;
  border-radius: 2px;
  display: block;
  height: 52px;
  width: 52px;
}

.manual-category.active .manual-icon {
  background: var(--maroon-soft);
  border: 1px solid var(--maroon);
}

.manual-category.selected .manual-icon {
  background: var(--maroon);
}

.manual-name {
  font-size: 0.92rem;
  overflow-wrap: anywhere;
}

.manual-name span,
.manual-name small {
  display: block;
}

.manual-name small {
  color: var(--maroon);
  font-size: 0.78rem;
  font-weight: 900;
  margin-top: 4px;
}

.manual-category strong {
  color: #9ca3af;
  font-size: 0.82rem;
  text-align: right;
}

.manual-category em {
  align-items: center;
  border: 1px solid var(--text);
  border-radius: 5px;
  color: var(--text);
  display: flex;
  font-size: 0.8rem;
  font-style: normal;
  font-weight: 900;
  justify-content: center;
  min-height: 30px;
}

.manual-category.selected em {
  background: var(--maroon);
  border-color: var(--maroon);
  color: #ffffff;
}

.manual-category-selected {
  align-items: stretch;
  background: #fff7f8;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 0;
  padding: 10px 0;
}

.manual-category-browse {
  align-items: flex-start;
  background: none;
  border: 0;
  cursor: pointer;
  display: grid;
  gap: 10px;
  grid-template-columns: 48px minmax(0, 1fr);
  padding: 0;
  text-align: left;
  width: 100%;
}

.manual-category-browse .cart-item-media {
  height: 48px;
  width: 48px;
}

.manual-category-browse .manual-name {
  display: grid;
  gap: 4px;
}

.manual-category-browse strong {
  color: var(--text);
  display: block;
  font-size: 0.88rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
  text-align: left;
}

/* .manual-name span/small (older rule, higher specificity) forces block display
   and a bold maroon color on any <span>/<small> inside .manual-name, which broke
   the badge row and the spec-detail line here — override both explicitly. */
.manual-category-browse .manual-name .cart-item-tags {
  display: flex;
  flex-wrap: wrap;
}

.manual-category-browse .manual-name .cart-item-meta {
  color: #4b5563;
  font-size: 0.72rem;
  font-weight: 400;
  margin-top: 0;
}

.manual-category-footer {
  align-items: center;
  display: flex;
  justify-content: space-between;
  padding-left: 58px;
}

.manual-category-footer b {
  color: var(--maroon);
  font-size: 0.92rem;
}

/* ปุ่ม +/- จำนวน - ตอนนี้มีแค่แรมที่เลือกสินค้าเดิมซ้ำได้ (สูงสุด 2 ชิ้น) */
.manual-quantity {
  align-items: center;
  display: flex;
  gap: 6px;
}

.manual-quantity-button {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--maroon);
  border-radius: 999px;
  color: var(--maroon);
  cursor: pointer;
  display: flex;
  font-weight: 900;
  height: 22px;
  justify-content: center;
  line-height: 1;
  padding: 0;
  width: 22px;
}

.manual-quantity-button:hover:not(:disabled) {
  background: var(--maroon-soft);
}

.manual-quantity-button:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

.manual-quantity-value {
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 800;
  min-width: 1em;
  text-align: center;
}

.cart-list {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.cart-item {
  align-items: flex-start;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  display: grid;
  gap: 12px;
  grid-template-columns: 64px minmax(0, 1fr);
  padding: 12px;
}

.cart-item-media {
  align-items: center;
  background: var(--maroon-faint);
  border-radius: 8px;
  display: flex;
  height: 64px;
  justify-content: center;
  overflow: hidden;
  width: 64px;
}

.cart-item-media img {
  height: 100%;
  object-fit: contain;
  width: 100%;
}

.cart-item-media .image-placeholder {
  align-items: center;
  color: var(--maroon);
  display: flex;
  font-size: 1.4rem;
  height: 100%;
  justify-content: center;
  width: 100%;
}

.cart-item-body {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.cart-item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.cart-item-tags .tag {
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 800;
  overflow: hidden;
  padding: 2px 10px;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 96px;
}

.cart-item-tags .tag-category,
.cart-item-tags .tag-brand {
  background: var(--maroon);
  color: #ffffff;
}

.cart-item strong {
  display: block;
  font-size: 0.9rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.cart-item-meta {
  color: var(--muted);
  font-size: 0.78rem;
  margin: 0;
  overflow-wrap: anywhere;
}

.cart-item-footer {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-top: 2px;
}

.cart-item b {
  color: var(--maroon);
  display: block;
  font-size: 0.95rem;
}

.cart-item-remove {
  background: none;
  border: none;
  color: #c0293c;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 0;
  text-decoration: underline;
  white-space: nowrap;
}

.cart-item-remove:hover {
  color: var(--maroon-dark);
}

.cart-total {
  align-items: center;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-top: 14px;
}

.cart-total span {
  color: var(--muted);
  font-size: 0.88rem;
}

.cart-total strong {
  color: var(--maroon);
  font-size: 1.35rem;
}

.category-list {
  display: grid;
  gap: 8px;
}

.category-button {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  min-height: 42px;
  min-width: max-content;
  padding: 10px 12px;
  text-align: left;
}

.category-button:hover,
.category-button.active {
  background: var(--maroon-soft);
  border-color: var(--maroon);
  color: var(--maroon);
}

.category-button:active {
  transform: translateY(1px);
}

.category-button strong {
  background: #f3f4f6;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.8rem;
  min-width: 42px;
  padding: 4px 8px;
  text-align: center;
}

.content {
  background: #eeeeef;
  border: 0;
  padding: 0;
}

.toolbar {
  align-items: end;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(180px, 1fr) minmax(260px, 520px);
  margin-bottom: 0;
  padding: 18px 24px;
}

.toolbar h2 {
  font-size: 2rem;
  line-height: 1.1;
  margin: 0;
}

.search {
  display: grid;
  grid-template-columns: 1fr 104px;
}

.search input {
  border: 1px solid #cfd4dc;
  border-radius: 6px 0 0 6px;
  min-height: 44px;
  min-width: 0;
  padding: 0 14px;
}

.search input:focus,
.field input:focus,
.field select:focus,
.filters select:focus {
  border-color: var(--maroon);
}

.filters {
  align-items: end;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(150px, 1fr)) 112px;
  padding: 16px 24px;
}

.filters label {
  display: grid;
  gap: 7px;
}

.filters span {
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 900;
}

.filters select {
  background: #ffffff;
  border: 1px solid #cfd4dc;
  border-radius: 6px;
  color: var(--text);
  min-height: 40px;
  padding: 0 10px;
}

.filters button {
  background: #ffffff;
  border: 1px solid var(--maroon);
  border-radius: 6px;
  color: var(--maroon);
  cursor: pointer;
  font-weight: 900;
  min-height: 40px;
}

.filters button:hover {
  background: var(--maroon-soft);
}

.search button,
.product-card button {
  background: var(--maroon);
  border: 0;
  color: #ffffff;
  cursor: pointer;
  font-weight: 900;
}

.search button {
  border-radius: 0 6px 6px 0;
}

.search button:hover,
.product-card button:hover {
  background: var(--maroon-dark);
}

.product-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  padding: 24px;
}

.pagination {
  align-items: center;
  background: #ffffff;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 8px;
  justify-content: center;
  padding: 6px 24px 28px;
}

.pagination[hidden] {
  display: none;
}

.pagination button {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: #171717;
  cursor: pointer;
  font-weight: 900;
  height: 36px;
  min-width: 36px;
  padding: 0 12px;
}

.pagination button:hover:not(:disabled),
.pagination button.active {
  background: var(--maroon);
  border-color: var(--maroon);
  color: #ffffff;
}

.pagination button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.loading-state,
.empty-state {
  grid-column: 1 / -1;
}

.loading-state {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 12px;
  min-height: 112px;
  padding: 18px;
}

.loading-copy {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 800;
}

.skeleton-stack {
  display: grid;
  gap: 10px;
}

.skeleton-line,
.loading-box,
.loading-button {
  animation: skeleton-pulse 1.2s ease-in-out infinite;
  background: linear-gradient(90deg, #f2f3f5 0%, #e7e9ed 50%, #f2f3f5 100%);
  background-size: 220% 100%;
  border-radius: 6px;
  display: block;
}

.skeleton-line {
  height: 12px;
  width: 100%;
}

.skeleton-line-2,
.skeleton-line.medium {
  width: 72%;
}

.skeleton-line-3,
.skeleton-line.short {
  width: 46%;
}

.loading-box {
  height: 100%;
  width: 100%;
}

.loading-button {
  height: 42px;
  margin-top: 6px;
}

.empty-state {
  align-items: center;
  background: #ffffff;
  border: 1px dashed #d8a0aa;
  border-radius: 8px;
  display: grid;
  justify-items: center;
  min-height: 150px;
  padding: 26px 18px;
  text-align: center;
}

.empty-mark {
  background: var(--maroon-soft);
  border: 1px solid #f1c5cc;
  border-radius: 8px;
  height: 44px;
  margin-bottom: 12px;
  position: relative;
  width: 44px;
}

.empty-mark::after {
  background: var(--maroon);
  border-radius: 999px;
  content: "";
  height: 10px;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
}

.empty-state h3 {
  font-size: 1rem;
  margin: 0 0 6px;
}

.empty-state p {
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
  max-width: 420px;
}

@keyframes skeleton-pulse {
  0% {
    background-position: 120% 0;
  }

  100% {
    background-position: -120% 0;
  }
}

.build-result {
  background: linear-gradient(180deg, #ffffff 0%, #fff7f8 100%);
  border: 1px solid #e8b8c0;
  border-radius: 8px;
  margin: 18px 24px 0;
  padding: 18px;
}

.saved-build-result {
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  border-top: 4px solid var(--maroon);
  margin: 0;
  padding: 20px 24px;
}

.saved-build-list-panel {
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  padding: 20px 24px;
}

.history-panel {
  min-height: calc(100vh - 64px);
}

.admin-panel {
  background: #ffffff;
  min-height: calc(100vh - 64px);
  padding: 24px;
}

.profile-panel {
  background: #ffffff;
  min-height: calc(100vh - 64px);
  padding: 24px;
}

.profile-header {
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
  padding-bottom: 16px;
}

.profile-header h2,
.profile-form h3 {
  margin: 0;
}

.profile-header p {
  color: var(--muted);
  margin: 8px 0 0;
}

.profile-form {
  display: grid;
  gap: 13px;
  max-width: 460px;
}

.profile-form label {
  display: grid;
  gap: 6px;
}

.profile-form label span,
.profile-status {
  color: var(--muted);
  font-size: 0.84rem;
}

.profile-form input {
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  min-height: 42px;
  padding: 0 12px;
}

.admin-header {
  align-items: start;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 18px;
  justify-content: space-between;
  padding-bottom: 18px;
}

.admin-header h2 {
  font-size: 1.45rem;
  margin: 0;
}

.admin-header p {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 8px 0 0;
  min-height: 18px;
}

.admin-actions {
  align-items: center;
  display: flex;
  gap: 10px;
}

.admin-search {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
}

.admin-search input {
  border: 1px solid var(--line-strong);
  border-radius: 6px 0 0 6px;
  min-height: 40px;
  padding: 0 12px;
}

.admin-search button,
.admin-row-actions button {
  background: #ffffff;
  border: 1px solid var(--maroon);
  color: var(--maroon);
  cursor: pointer;
  font-weight: 800;
}

.admin-search button {
  border-radius: 0 6px 6px 0;
  padding: 0 14px;
}

.admin-layout {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 390px);
  padding-top: 24px;
}

.admin-product-list {
  min-width: 0;
}

.admin-pagination {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
  margin-top: 16px;
}

.admin-pagination button {
  background: #ffffff;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  color: var(--ink);
  min-height: 34px;
  padding: 0 10px;
}

.admin-pagination button[aria-current="page"] {
  background: var(--maroon);
  border-color: var(--maroon);
  color: #ffffff;
}

.admin-pagination button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  border-collapse: collapse;
  min-width: 680px;
  width: 100%;
}

.admin-table th,
.admin-table td {
  border-bottom: 1px solid var(--line);
  padding: 12px 10px;
  text-align: left;
}

.admin-table th {
  color: var(--muted);
  font-size: 0.78rem;
}

.admin-table td strong,
.admin-table td span {
  display: block;
}

.admin-table td span {
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 4px;
}

.admin-table th:nth-last-child(2),
.admin-table td:nth-last-child(2) {
  text-align: right;
}

.admin-row-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.admin-row-actions button {
  border-radius: 5px;
  min-height: 34px;
  padding: 0 10px;
}

.admin-row-actions button:last-child {
  border-color: #b42318;
  color: #b42318;
}

.admin-row-actions button:hover,
.admin-search button:hover {
  background: var(--maroon);
  color: #ffffff;
}

.admin-users-table select {
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  min-height: 34px;
  padding: 0 8px;
}

.admin-account-status {
  border-radius: 999px;
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 9px;
}

.admin-account-status.is-active {
  background: #e8f5ed;
  color: #176b3a;
}

.admin-account-status.is-disabled {
  background: #fbeaec;
  color: #a00f28;
}

.admin-editor {
  border: 1px solid var(--line);
  padding: 18px;
}

.admin-editor-header {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
}

.admin-editor-header h3 {
  font-size: 1rem;
  margin: 0;
}

.admin-form {
  display: grid;
  gap: 12px;
}

.admin-form label {
  display: grid;
  gap: 6px;
}

.admin-form label span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.admin-form input,
.admin-form textarea {
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  min-width: 0;
  padding: 10px 12px;
}

.admin-form textarea {
  font-family: Consolas, monospace;
  resize: vertical;
}

.admin-image-status {
  color: var(--muted);
  font-size: 0.8rem;
  margin: -5px 0 0;
  min-height: 18px;
}

.admin-image-preview {
  background: #f8f8f8;
  border: 1px solid var(--line);
  display: grid;
  height: 160px;
  place-items: center;
}

.admin-image-preview img {
  height: 100%;
  object-fit: contain;
  width: 100%;
}

.admin-dashboard {
  padding-top: 22px;
}

.admin-stat-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.admin-stat-grid article {
  border: 1px solid var(--line);
  min-height: 102px;
  padding: 16px;
}

.admin-stat-grid span,
.admin-stat-grid strong {
  display: block;
}

.admin-stat-grid span {
  color: var(--muted);
  font-size: 0.8rem;
}

.admin-stat-grid strong {
  color: var(--maroon);
  font-size: 1.7rem;
  margin-top: 13px;
}

.admin-dashboard-insights {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 24px;
}

.admin-dashboard-breakdown {
  border: 1px solid var(--line);
  padding: 16px;
}

.admin-dashboard-breakdown h3 {
  font-size: 0.95rem;
  margin: 0 0 14px;
}

.admin-breakdown-list {
  display: grid;
  gap: 10px;
}

.admin-breakdown-list article {
  align-items: center;
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(92px, 0.8fr) minmax(80px, 1.2fr) auto;
}

.admin-breakdown-list span {
  font-size: 0.82rem;
  overflow-wrap: anywhere;
}

.admin-breakdown-list article > div {
  background: #f2e9eb;
  height: 8px;
  overflow: hidden;
}

.admin-breakdown-list i {
  background: var(--maroon);
  display: block;
  height: 100%;
}

.admin-breakdown-list strong {
  color: var(--maroon);
  font-size: 0.84rem;
}

.admin-recent-activity {
  margin-top: 28px;
}

.admin-recent-activity h3 {
  font-size: 1rem;
  margin: 0 0 12px;
}

.saved-build-list-header {
  align-items: end;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin-bottom: 14px;
}

.saved-build-list-header h2 {
  font-size: 1.25rem;
  margin: 0;
}

.history-status {
  margin-bottom: 14px;
}

.saved-build-list {
  display: grid;
  gap: 10px;
}

.saved-build-pagination {
  margin-top: 18px;
}

.saved-build-card {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr) 130px 130px;
  min-height: 76px;
  padding: 12px 14px;
}

.saved-build-card:hover {
  background: var(--maroon-faint);
  border-color: #efbdc6;
}

.saved-build-card {
  cursor: pointer;
}

.saved-build-card:focus-visible {
  outline: 3px solid rgba(153, 15, 40, 0.35);
  outline-offset: 2px;
}

.saved-build-card p {
  color: var(--muted);
  font-size: 0.8rem;
  margin-bottom: 5px;
  text-transform: uppercase;
}

.saved-build-card h3 {
  font-size: 1rem;
  line-height: 1.35;
  margin: 0 0 6px;
  overflow-wrap: anywhere;
}

.saved-build-card span {
  color: var(--muted);
  font-size: 0.86rem;
}

/* ชื่อผู้ใช้ใต้ชื่อสเปค - แยกจาก ".saved-build-card p" ด้านบน (ตัว mode/วันที่)
   ที่ตั้งใจให้เป็นตัวพิมพ์ใหญ่ทั้งหมด เพราะ username ไม่ควรถูกบังคับเป็นตัวใหญ่ */
.saved-build-card p.saved-build-owner {
  font-size: 0.8rem;
  margin: 0 0 4px;
  text-transform: none;
}

.saved-build-card strong {
  color: var(--maroon);
  font-size: 1.05rem;
  text-align: right;
}

.saved-build-actions {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr;
}

.saved-build-actions [data-delete-saved-build] {
  border-color: #c74755;
  color: #a8142b;
}

.saved-build-actions [data-delete-saved-build]:hover {
  background: #a8142b;
  color: #ffffff;
}

.saved-build-card button {
  background: #ffffff;
  border: 1px solid var(--maroon);
  border-radius: 6px;
  color: var(--maroon);
  cursor: pointer;
  font-weight: 900;
  min-height: 38px;
}

.saved-build-card button:hover {
  background: var(--maroon);
  color: #ffffff;
}

.saved-build-detail {
  margin-top: 4px;
}

.saved-build-detail-header {
  align-items: start;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 18px;
  justify-content: space-between;
  padding: 8px 0 18px;
}

.saved-build-detail-header h2 {
  font-size: 1.45rem;
  margin: 8px 0 0;
}

.saved-build-detail-header .eyebrow {
  margin: 14px 0 0;
}

.history-back-button {
  background: transparent;
  border: 0;
  color: var(--maroon);
  cursor: pointer;
  font-weight: 800;
  padding: 0;
}

.history-back-button:hover {
  color: var(--maroon-dark);
  text-decoration: underline;
}

.saved-build-share {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px 0;
}

.manual-share {
  padding-top: 4px;
}

.manual-share .saved-build-share {
  border-bottom: none;
  padding: 10px 0 0;
}

.manual-share .saved-build-share button {
  font-size: 0.8rem;
}

.saved-build-share-active span {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
}

.saved-build-share-active input {
  background: #ffffff;
  border: 1px solid #cfd4dc;
  border-radius: 6px;
  color: var(--muted);
  flex: 1 1 240px;
  min-height: 40px;
  min-width: 0;
  padding: 0 10px;
}

.saved-build-listed-toggle {
  align-items: center;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  font-size: 0.85rem;
  gap: 8px;
  padding: 10px 0;
}

.saved-build-listed-toggle + .saved-build-share {
  border-top: 1px solid var(--line);
}

.saved-build-listed-toggle input {
  accent-color: var(--maroon);
  cursor: pointer;
  flex: none;
  height: 16px;
  min-height: 0;
  min-width: 0;
  width: 16px;
}

.gallery-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.gallery-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  display: grid;
  gap: 6px;
  padding: 16px;
  position: relative;
}

/* ปุ่มถอดออกจากคลังสาธารณะ มุมขวาบนของการ์ด (โชว์เฉพาะแอดมิน ดูคอมเมนต์ที่
   renderGalleryList ใน main.js) ลอยทับมุมการ์ด ไม่กินพื้นที่ในเลย์เอาต์ grid เดิม -
   ต้องเจาะจงกว่า ".gallery-card button" (element+class) ไม่งั้นสีโดนทับ เหมือนบัค
   เดียวกับปุ่ม "เพิ่มเข้าสเปคแล้ว" ก่อนหน้านี้ */
.gallery-card button.gallery-card-admin-unlist {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: #c0293c;
  cursor: pointer;
  display: inline-flex;
  height: 28px;
  justify-content: center;
  margin-top: 0;
  min-height: 0;
  position: absolute;
  right: 10px;
  top: 10px;
  width: 28px;
}

.gallery-card button.gallery-card-admin-unlist:hover {
  background: #fdecee;
  border-color: #c0293c;
  color: #c0293c;
}

.gallery-card:hover {
  background: var(--maroon-faint);
  border-color: #efbdc6;
}

.gallery-card:focus-visible {
  outline: 3px solid rgba(153, 15, 40, 0.35);
  outline-offset: 2px;
}

.gallery-card p {
  color: var(--muted);
  font-size: 0.78rem;
  margin: 0;
  text-transform: uppercase;
}

.gallery-card h3 {
  font-size: 1rem;
  line-height: 1.35;
  margin: 0;
  overflow-wrap: anywhere;
}

/* ชื่อผู้ใช้ใต้ชื่อสเปค - แยกจาก ".gallery-card p" ด้านบน (ตัว mode) ที่ตั้งใจให้
   เป็นตัวพิมพ์ใหญ่ทั้งหมด เพราะ username ไม่ควรถูกบังคับเป็นตัวใหญ่ */
.gallery-card p.gallery-card-owner {
  font-size: 0.78rem;
  text-transform: none;
}

.gallery-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.gallery-card-tags .tag {
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 2px 9px;
  white-space: nowrap;
}

.gallery-card-tags .tag-category {
  background: var(--maroon-soft);
  color: var(--maroon);
}

.gallery-card span {
  color: var(--muted);
  font-size: 0.82rem;
}

.gallery-card strong {
  color: var(--maroon);
  font-size: 1.05rem;
}

.gallery-card button {
  background: #ffffff;
  border: 1px solid var(--maroon);
  border-radius: 6px;
  color: var(--maroon);
  cursor: pointer;
  margin-top: 4px;
  min-height: 38px;
}

.gallery-card button:hover {
  background: var(--maroon);
  color: #ffffff;
}

.saved-build-detail-table-wrap {
  overflow-x: auto;
}

.saved-build-detail-table {
  border-collapse: collapse;
  margin-top: 18px;
  min-width: 560px;
  width: 100%;
}

.saved-build-detail-table th,
.saved-build-detail-table td {
  border-bottom: 1px solid var(--line);
  padding: 12px 8px;
  text-align: left;
}

.saved-build-detail-table thead th {
  color: var(--maroon);
  font-size: 0.78rem;
}

.saved-build-detail-table th:last-child,
.saved-build-detail-table td:last-child {
  text-align: right;
}

.saved-build-detail-table tfoot th,
.saved-build-detail-table tfoot td {
  border-bottom: 0;
  font-size: 1.05rem;
  font-weight: 900;
  padding-top: 18px;
}

.saved-build-detail-table tfoot td {
  color: var(--maroon);
  font-size: 1.35rem;
}

.saved-build-header {
  align-items: start;
  display: flex;
  gap: 18px;
  justify-content: space-between;
}

.saved-build-header h3 {
  font-size: 1.35rem;
  margin: 0 0 6px;
}

.saved-build-header p {
  color: var(--muted);
  margin: 0;
}

.saved-build-header strong {
  color: var(--maroon);
  font-size: 1.5rem;
  min-width: max-content;
}

.saved-build-items {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.saved-build-items article {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  gap: 12px;
  grid-template-columns: 120px minmax(0, 1fr) 120px;
  min-height: 48px;
  padding: 10px 12px;
}

.saved-build-items span {
  color: var(--maroon);
  font-size: 0.82rem;
  font-weight: 900;
}

.saved-build-items b {
  overflow-wrap: anywhere;
}

.saved-build-items strong {
  color: var(--maroon);
  text-align: right;
}

.build-result-header {
  align-items: start;
  display: flex;
  gap: 16px;
  justify-content: space-between;
}

.build-result h3 {
  font-size: 1.35rem;
  margin: 0;
}

.build-total {
  text-align: right;
}

.manual-total {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  padding-top: 14px;
}

.manual-total span {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
}

.manual-total strong {
  color: var(--maroon);
  font-size: 1.15rem;
}

.build-total span,
.build-meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.build-total strong {
  color: var(--maroon);
  display: block;
  font-size: 1.45rem;
}

.build-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.build-meta span {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
}

.compatibility-report {
  border: 1px solid var(--line);
  border-left: 4px solid #8a6d1d;
  margin-top: 16px;
  padding: 14px;
}

.compatibility-report.compatibility-pass {
  border-left-color: #176b3a;
}

.compatibility-report.compatibility-fail {
  border-left-color: #a00f28;
}

.compatibility-header {
  align-items: center;
  display: flex;
  gap: 16px;
  justify-content: space-between;
}

.compatibility-header .eyebrow {
  margin-bottom: 4px;
}

.compatibility-header h4 {
  font-size: 1rem;
  margin: 0;
}

.compatibility-header > strong {
  color: var(--maroon);
  font-size: 0.88rem;
  text-align: right;
}

.compatibility-diagram {
  align-items: center;
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  margin-top: 12px;
}

.compatibility-col {
  display: grid;
  gap: 7px;
}

.compatibility-icon {
  align-items: center;
  background: #ffffff;
  border: 2px solid #8a6d1d;
  border-radius: 999px;
  color: #8a6d1d;
  display: flex;
  height: 68px;
  justify-content: center;
  width: 68px;
}

.compatibility-report.compatibility-pass .compatibility-icon {
  border-color: #176b3a;
  color: #176b3a;
}

.compatibility-report.compatibility-fail .compatibility-icon {
  border-color: #a00f28;
  color: #a00f28;
}

.compatibility-check {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--line);
  display: grid;
  gap: 10px;
  grid-template-columns: auto minmax(0, 1fr);
  padding: 9px 10px;
  position: relative;
}

/* เส้นชี้จากแต่ละจุดรายละเอียดเข้าหาไอคอนตรงกลาง */
.compatibility-col-left .compatibility-check::after,
.compatibility-col-right .compatibility-check::before {
  background: var(--line);
  content: '';
  height: 1px;
  position: absolute;
  top: 50%;
  width: 14px;
}

.compatibility-col-left .compatibility-check {
  margin-right: 14px;
}

.compatibility-col-left .compatibility-check::after {
  right: -14px;
}

.compatibility-col-right .compatibility-check {
  margin-left: 14px;
}

.compatibility-col-right .compatibility-check::before {
  left: -14px;
}

.compatibility-check > span {
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 4px 7px;
}

.compatibility-check.is-pass > span {
  background: #e8f5ed;
  color: #176b3a;
}

.compatibility-check.is-warning > span {
  background: #fff5d9;
  color: #805c00;
}

.compatibility-check.is-fail > span {
  background: #fbeaec;
  color: #a00f28;
}

.compatibility-check strong,
.compatibility-check small {
  display: block;
}

.compatibility-check small {
  color: var(--muted);
  font-size: 0.76rem;
  margin-top: 3px;
}

.build-diagram {
  align-items: center;
  display: grid;
  gap: 14px;
  margin-top: 16px;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
}

.build-col {
  display: grid;
  gap: 8px;
}

.build-icon {
  align-items: center;
  background: #ffffff;
  border: 2px solid var(--maroon);
  border-radius: 999px;
  color: var(--maroon);
  display: flex;
  height: 68px;
  justify-content: center;
  width: 68px;
}

.build-item {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 14px;
  display: grid;
  gap: 5px;
  grid-template-columns: 1fr;
  justify-content: center;
  min-height: 52px;
  padding: 10px 14px;
  position: relative;
}

/* เส้นชี้จากแต่ละจุดรายละเอียดเข้าหาไอคอนตรงกลาง (เหมือนกับไดอะแกรม compatibility) */
.build-col-left .build-item::after,
.build-col-right .build-item::before {
  background: var(--line);
  content: '';
  height: 1px;
  position: absolute;
  top: 50%;
  width: 14px;
}

.build-col-left .build-item {
  margin-right: 14px;
}

.build-col-left .build-item::after {
  right: -14px;
}

.build-col-right .build-item {
  margin-left: 14px;
}

.build-col-right .build-item::before {
  left: -14px;
}

.build-item > span {
  color: var(--maroon);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.build-item > div {
  align-items: baseline;
  display: flex;
  gap: 10px;
  justify-content: space-between;
}

.build-item strong {
  color: var(--text);
  flex: 1;
  font-size: 0.85rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.build-item b {
  color: var(--maroon);
  flex-shrink: 0;
  font-size: 0.8rem;
  font-weight: 900;
  white-space: nowrap;
}

.product-card {
  background: #ffffff;
  border: 1px solid transparent;
  border-radius: 8px;
  display: grid;
  grid-template-rows: 180px auto auto auto auto;
  min-height: 418px;
  padding: 18px;
}

.product-card:hover {
  border-color: #e7b5be;
  box-shadow: 0 12px 36px rgba(23, 23, 23, 0.08);
  transform: translateY(-2px);
}

.product-card-loading {
  pointer-events: none;
}

.product-image {
  align-items: center;
  background: #ffffff;
  border-radius: 6px;
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
  overflow: hidden;
}

.product-image img {
  height: 100%;
  object-fit: contain;
  width: 100%;
}

.image-placeholder {
  align-items: center;
  background: var(--maroon-soft);
  color: var(--maroon);
  display: flex;
  font-weight: 900;
  height: 100%;
  justify-content: center;
  padding: 18px;
  text-align: center;
  width: 100%;
}

.product-brand {
  color: var(--maroon);
  font-size: 0.78rem;
  font-weight: 900;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.product-card h3 {
  font-size: 0.98rem;
  line-height: 1.45;
  margin-bottom: 14px;
  min-height: 44px;
}

.price {
  color: var(--maroon);
  font-size: 1.25rem;
  font-weight: 900;
  margin: auto 0 14px;
}

.product-card button {
  background: #ffffff;
  border: 1px solid #171717;
  border-radius: 4px;
  color: #171717;
  min-height: 42px;
}

.product-card button:hover {
  background: var(--maroon);
  border-color: var(--maroon);
  color: #ffffff;
}

/* สินค้าที่ถูกเลือกไว้แล้วในหมวดนั้น (ดูคอมเมนต์ที่ renderProductCard ใน main.js) -
   ปุ่มเปลี่ยนเป็นสถานะยืนยัน "เพิ่มเข้าสเปคแล้ว" สีพื้นเข้ม กดไม่ได้ (disabled) พร้อม
   เครื่องหมายถูก และลิงก์ "ดูรายละเอียด" ใต้ปุ่มถ้าสินค้ามีลิงก์แหล่งที่มา */
.product-card-selected {
  border-color: var(--maroon);
}

.product-add-button {
  align-items: center;
  display: flex;
  gap: 6px;
  justify-content: center;
  width: 100%;
}

/* ต้องเจาะจงกว่า ".product-card button" (element+class) ไม่งั้นสีพื้นโดนทับ
   เพราะ ".product-add-button-added" เดี่ยว ๆ specificity ต่ำกว่า - ใช้สีฟ้าอ่อน
   (--maroon-soft ตัวเดียวกับ tag พื้นหลังอ่อนที่อื่นในแอป) ให้เห็นชัดแต่ไม่จัดจ้าน
   เกินไปเหมือนปุ่มทึบเข้ม */
.product-card button.product-add-button-added,
.product-card button.product-add-button-added:hover {
  background: var(--maroon-soft);
  border-color: var(--maroon-soft);
  color: var(--maroon);
  cursor: default;
}

.product-detail-link {
  color: var(--maroon);
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  margin-top: 8px;
  text-align: center;
  text-decoration: none;
}

.product-detail-link:hover {
  text-decoration: underline;
}

.product-tags,
.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.product-tags .tag,
.product-specs .tag {
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 10px;
  text-align: center;
  white-space: nowrap;
}

/* เฉพาะแท็กหมวดหมู่/แบรนด์ (สีน้ำเงิน) เท่านั้นที่บังคับความกว้างเท่ากันทุกกล่อง
   แท็กสเปค (สีเทา เช่น "ATX Mid Tower") ปล่อยความกว้างอิสระ เพราะข้อความยาวกว่า
   96px แล้วโดนตัดคำ (ellipsis) จนดูเหมือนข้อความไม่อยู่กึ่งกลาง */
.product-tags .tag-category,
.product-tags .tag-brand {
  background: var(--maroon);
  color: #ffffff;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 96px;
}

.product-specs .tag-spec {
  background: #f1f2f5;
  color: var(--text);
  font-weight: 700;
}

.muted {
  color: var(--muted);
  grid-column: 1 / -1;
  margin: 0;
}

@media (max-width: 980px) {
  .workspace,
  .toolbar,
  .filters {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    min-height: auto;
    max-height: none;
    overflow: visible;
    position: static;
  }

  .manual-panel,
  .builder-panel {
    margin-top: 0;
  }

  .manual-category-list {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }

  .manual-category {
    border: 1px solid var(--line);
    border-radius: 8px;
    grid-template-columns: 34px minmax(132px, 1fr) 48px;
    min-width: 250px;
    padding: 10px;
  }

  .manual-category em {
    grid-column: 2 / 4;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding: 16px 20px;
  }

  .auth-panel {
    margin-left: 0;
    width: 100%;
  }

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

  .toolbar {
    align-items: stretch;
  }
}

@media (max-width: 560px) {
  .workspace {
    padding: 0;
  }

  .content,
  .summary,
  .builder-panel,
  .cart-panel,
  .category-panel,
  .manual-panel,
  .saved-build-list-panel {
    padding: 16px;
  }

  .topbar {
    position: static;
  }

  .nav {
    width: 100%;
  }

  .nav a {
    background: rgba(255, 255, 255, 0.08);
    flex: 1;
    justify-content: center;
    text-align: center;
  }

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

  .auth-user {
    align-items: stretch;
    display: grid;
    justify-content: stretch;
  }

  .toolbar {
    padding: 16px;
  }

  .toolbar h2 {
    font-size: 1.55rem;
  }

  .filters {
    padding: 14px 16px;
  }

  .product-grid {
    gap: 14px;
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .pagination {
    flex-wrap: wrap;
    justify-content: flex-start;
    padding: 4px 16px 22px;
  }

  .product-card {
    grid-template-rows: 160px auto auto auto auto;
    min-height: 390px;
  }

  .build-result {
    margin: 14px 16px 0;
  }

  .status-panel,
  .search,
  .saved-build-items article,
  .saved-build-card {
    grid-template-columns: 1fr;
  }

  .build-diagram {
    grid-template-columns: 1fr;
  }

  .build-icon {
    margin: 0 auto;
    order: -1;
  }

  .build-col-left .build-item,
  .build-col-right .build-item {
    margin: 0;
  }

  .build-col-left .build-item::after,
  .build-col-right .build-item::before {
    display: none;
  }

  .build-result-header,
  .saved-build-header {
    display: grid;
  }

  .compatibility-header {
    align-items: start;
    display: grid;
  }

  .compatibility-header > strong {
    text-align: left;
  }

  .compatibility-diagram {
    grid-template-columns: 1fr;
  }

  .compatibility-icon {
    margin: 0 auto;
    order: -1;
  }

  .compatibility-col-left .compatibility-check,
  .compatibility-col-right .compatibility-check {
    margin: 0;
  }

  .compatibility-col-left .compatibility-check::after,
  .compatibility-col-right .compatibility-check::before {
    display: none;
  }

  .build-total,
  .saved-build-items strong,
  .saved-build-card strong {
    text-align: left;
  }

  .search input,
  .search button {
    border-radius: 6px;
  }

  .saved-build-list-header {
    align-items: start;
    display: grid;
  }

  .admin-panel {
    padding: 16px;
  }

  .profile-panel {
    padding: 16px;
  }

  .admin-header,
  .admin-actions,
  .admin-layout {
    display: grid;
  }

  .admin-stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-dashboard-insights {
    grid-template-columns: 1fr;
  }

  .admin-search {
    grid-template-columns: 1fr auto;
  }

  .saved-build-detail-header {
    align-items: stretch;
    display: grid;
  }

  .saved-build-detail-header .secondary-button {
    width: 100%;
  }

  .saved-build-detail-table {
    min-width: 0;
  }

  .saved-build-detail-table thead {
    display: none;
  }

  .saved-build-detail-table,
  .saved-build-detail-table tbody,
  .saved-build-detail-table tr,
  .saved-build-detail-table td,
  .saved-build-detail-table tfoot,
  .saved-build-detail-table th {
    display: block;
    width: 100%;
  }

  .saved-build-detail-table tbody tr {
    border-bottom: 1px solid var(--line);
    padding: 10px 0;
  }

  .saved-build-detail-table tbody td {
    border: 0;
    display: grid;
    gap: 10px;
    grid-template-columns: 100px minmax(0, 1fr);
    padding: 5px 0;
    text-align: left;
  }

  .saved-build-detail-table tbody td::before {
    color: var(--muted);
    content: attr(data-label);
    font-size: 0.8rem;
    font-weight: 800;
  }

  .saved-build-detail-table tbody td:last-child {
    text-align: left;
  }

  .saved-build-detail-table tfoot {
    margin-top: 12px;
  }

  .saved-build-detail-table tfoot tr {
    display: grid;
    gap: 4px;
    text-align: left;
  }

  .saved-build-detail-table tfoot td {
    text-align: left;
  }

}

/* Product-builder visual refresh: presentation only, existing application behavior stays unchanged. */
:root {
  --maroon: #96112b;
  --maroon-dark: #620817;
  --maroon-soft: #fff2f4;
  --maroon-faint: #fff9fa;
  --background: #f6f7f9;
  --line: #e2e5ea;
  --text: #171923;
  --muted: #697386;
}

body {
  background: var(--background);
  line-height: 1.45;
}

.topbar {
  background: var(--maroon);
  box-shadow: 0 3px 14px rgba(65, 9, 21, 0.2);
  gap: 20px;
  min-height: 70px;
  padding: 0 40px;
}

.brand {
  font-size: 1.45rem;
}

.nav {
  gap: 2px;
}

.nav a {
  border-radius: 5px;
  font-size: 0.88rem;
  padding: 9px 11px;
}

.auth-open-button {
  border-radius: 6px;
  min-height: 38px;
  padding: 0 15px;
}

.auth-open-icon {
  height: 19px;
  width: 19px;
}

.builder-toggle,
.sidebar-mobile-header {
  display: none;
}

.workspace {
  background: #ffffff;
  grid-template-columns: 330px minmax(0, 1fr);
  max-width: 1720px;
}

.sidebar {
  background: #ffffff;
  top: 70px;
  max-height: calc(100vh - 70px);
}

.manual-panel,
.builder-panel,
.cart-panel {
  padding: 20px;
}

.panel-title {
  margin-bottom: 12px;
  padding-bottom: 12px;
}

.panel-title h2 {
  font-size: 0.98rem;
  letter-spacing: 0;
}

.manual-category {
  gap: 14px;
  grid-template-columns: 46px minmax(0, 1fr) 38px 54px;
  min-height: 64px;
}

.manual-icon {
  height: 46px;
  width: 46px;
}

.manual-category em {
  border-color: #c7cdd6;
  color: var(--text);
  min-height: 28px;
}

.manual-category:hover,
.manual-category.active {
  background: var(--maroon-faint);
}

.builder-panel {
  border-top: 8px solid #f5f6f8;
  margin-top: 0;
}

.cart-panel {
  border-top: 8px solid #f5f6f8;
  margin-top: 0;
}

.content {
  background: #f5f6f8;
}

.toolbar {
  align-items: center;
  grid-template-columns: minmax(180px, 1fr) minmax(300px, 510px);
  padding: 26px 32px 20px;
}

.toolbar h2 {
  font-size: 1.8rem;
}

.toolbar h2::before {
  color: var(--maroon);
  content: "เลือก";
  display: block;
  font-size: 0.76rem;
  font-weight: 900;
  margin-bottom: 5px;
  text-transform: uppercase;
}

.search input {
  border-color: #ccd2db;
}

.filters {
  gap: 16px;
  padding: 16px 32px 20px;
}

.product-grid {
  gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(218px, 1fr));
  padding: 26px 32px 32px;
}

.product-card {
  border: 1px solid #e2e5ea;
  border-radius: 7px;
  grid-template-rows: 174px auto auto auto auto;
  min-height: 405px;
  padding: 16px;
}

.product-card:hover {
  border-color: #d9a0aa;
  box-shadow: 0 12px 26px rgba(23, 25, 35, 0.1);
}

.product-image {
  background: #ffffff;
  border: 1px solid #f0f1f3;
}

.product-card h3 {
  font-size: 0.95rem;
  min-height: 42px;
}

.price {
  font-size: 1.18rem;
}

.product-card button {
  border-color: #bcc3cd;
  border-radius: 5px;
}

.build-result {
  background: #ffffff;
  border-left: 4px solid var(--maroon);
  border-radius: 6px;
}

.loading-state,
.empty-state {
  border-radius: 6px;
}

.skeleton-line,
.loading-box,
.loading-button {
  animation: skeleton-pulse 1.2s ease-in-out infinite;
  background: #eceef2;
}

@media (max-width: 980px) {
  .topbar {
    align-items: center;
    flex-direction: row;
    flex-wrap: wrap;
    min-height: 64px;
    padding: 12px 20px;
  }

  .nav {
    order: 3;
    overflow-x: auto;
    width: 100%;
  }

  .auth-panel {
    margin-left: auto;
    width: auto;
  }

  .builder-toggle {
    background: #ffffff;
    border: 1px solid #ffffff;
    border-radius: 5px;
    color: var(--maroon);
    cursor: pointer;
    display: inline-flex;
    font-size: 0.84rem;
    font-weight: 900;
    min-height: 38px;
    padding: 0 12px;
  }

  .workspace {
    display: block;
  }

  .sidebar {
    box-shadow: 12px 0 30px rgba(23, 25, 35, 0.16);
    display: block;
    height: 100dvh;
    left: 0;
    max-height: none;
    overflow-y: auto;
    position: fixed;
    top: 0;
    transform: translateX(-105%);
    transition: transform 180ms ease;
    width: min(342px, calc(100vw - 32px));
    z-index: 30;
  }

  .workspace.builder-open .sidebar {
    transform: translateX(0);
  }

  .sidebar-mobile-header {
    align-items: center;
    background: var(--maroon);
    color: #ffffff;
    display: flex;
    justify-content: space-between;
    min-height: 58px;
    padding: 0 18px;
  }

  .sidebar-mobile-header button {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 5px;
    color: #ffffff;
    cursor: pointer;
    font-weight: 900;
    min-height: 32px;
    padding: 0 10px;
  }

  .toolbar,
  .filters {
    grid-template-columns: 1fr;
    padding-left: 24px;
    padding-right: 24px;
  }

  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    padding-left: 24px;
    padding-right: 24px;
  }
}

@media (max-width: 560px) {
  .topbar {
    gap: 10px;
    padding: 10px 14px;
  }

  .brand {
    font-size: 1.24rem;
  }

  .auth-open-button {
    font-size: 0.8rem;
    padding: 0 10px;
  }

  .toolbar {
    padding: 20px 16px 16px;
  }

  .toolbar h2 {
    font-size: 1.55rem;
  }

  .filters,
  .product-grid {
    padding-left: 16px;
    padding-right: 16px;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }
}