/*
Theme Name: Linh Kiện Âm Thanh
Theme URI: https://linhkienamthanh.net
Author: Linh Kiện Âm Thanh
Description: Theme WooCommerce nhẹ, hiện đại, tối ưu cho cửa hàng linh kiện âm thanh DIY.
Version: 2.0.0
Requires at least: 6.4
Tested up to: 6.7
Requires PHP: 8.0
Text Domain: linhkien-am-thanh
*/

:root {
  color-scheme: light;
  --lka-ink: #18232d;
  --lka-muted: #66737f;
  --lka-line: #e8e8e8;
  --lka-soft: #f5f5f5;
  --lka-brand: #ee4d2d;
  --lka-brand-dark: #d93f21;
  --lka-accent: #ee4d2d;
  --lka-white: #fff;
  --lka-shadow: 0 8px 24px rgba(45, 45, 45, 0.1);
  --lka-radius: 8px;
  --lka-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--lka-ink);
  background: var(--lka-soft);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

img {
  display: block;
  max-width: 100%;
  height: auto;
}

button,
input,
select {
  font: inherit;
}

:where(a, button, select, input):focus-visible {
  outline: 3px solid #276ba2;
  outline-offset: 3px;
}

.screen-reader-text,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

:is(.lka-container, .container) {
  width: min(calc(100% - 32px), var(--lka-width));
  margin-inline: auto;
}

/* Topbar & Header */
:is(.lka-topbar, .topbar) {
  padding: 6px 0;
  color: #fff;
  background: var(--lka-brand);
  font-size: 13px;
}

:is(.lka-topbar, .topbar) :is(.lka-container, .container) {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

:is(.lka-topbar-contact, .topbar-contact) {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}

:is(.lka-zalo-badge, .zalo-badge) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 22px;
  padding: 0 6px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 6px;
  color: #0675ff;
  background: #fff;
  font-size: 10px;
  font-weight: 900;
  line-height: 1;
}

:is(.lka-site-header, .site-header) {
  position: sticky;
  z-index: 50;
  top: 0;
  color: #fff;
  border-bottom: 0;
  background: linear-gradient(180deg, #ee4d2d, #f05d40);
}

body.admin-bar :is(.lka-site-header, .site-header) {
  top: 32px;
}

@media screen and (max-width: 782px) {
  body.admin-bar :is(.lka-site-header, .site-header) {
    top: 46px;
  }
}

:is(.lka-header-row, .header-row) {
  display: grid;
  grid-template-columns: auto minmax(260px, 1fr) auto;
  align-items: center;
  gap: 28px;
  min-height: 78px;
}

:is(.lka-logo, .logo) {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.5px;
  white-space: nowrap;
}

:is(.lka-logo-mark, .logo-mark) {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  color: var(--lka-brand);
  background: #fff;
}

:is(.lka-logo-mark, .logo-mark) svg {
  width: 29px;
  height: 29px;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-width: 3.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

:is(.lka-logo-mark, .logo-mark) svg circle {
  fill: currentColor;
  stroke: none;
}

:is(.lka-logo-copy, .logo-copy) {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

:is(.lka-logo-copy, .logo-copy) strong {
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 20px;
  font-weight: 750;
  letter-spacing: -0.55px;
}

:is(.lka-logo-copy, .logo-copy) small {
  display: block;
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.78);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.35px;
  text-transform: uppercase;
}

:is(.lka-search, form.search) {
  display: flex;
  align-items: center;
  height: 46px;
  padding: 5px 5px 5px 18px;
  border: 0;
  border-radius: 3px;
  background: #fff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.12);
}

:is(.lka-search, form.search) input {
  width: 100%;
  border: 0;
  outline: 0;
  color: var(--lka-ink);
  background: transparent;
}

:is(.lka-search, form.search) button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 116px;
  height: 36px;
  padding: 0 14px;
  border: 0;
  border-radius: 3px;
  color: #fff;
  background: #fb6445;
  font-weight: 700;
  white-space: nowrap;
  line-height: 1;
  cursor: pointer;
}

:is(.lka-search, form.search) button:hover {
  background: var(--lka-brand-dark);
}

:is(.lka-search-icon, .search-icon) {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
}

:is(.lka-header-actions, .header-actions) {
  display: flex;
  align-items: center;
  gap: 10px;
}

:is(.lka-icon-link, .icon-button) {
  position: relative;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 50%;
  color: #fff;
  background: transparent;
  font-size: 21px;
  cursor: pointer;
}

:is(.lka-cart-link, .cart-link) {
  width: 52px;
  height: 46px;
  margin-inline: 3px;
  color: var(--lka-brand);
  border: 2px solid rgba(255, 255, 255, 0.92);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 5px 14px rgba(150, 41, 20, 0.24);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

:is(.lka-cart-link, .cart-link):hover {
  color: var(--lka-brand);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(150, 41, 20, 0.3);
}

:is(.lka-cart-icon, .cart-icon) {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

:is(.lka-cart-count, .cart-count) {
  position: absolute;
  top: -9px;
  right: -9px;
  min-width: 23px;
  height: 23px;
  padding: 0 5px;
  border: 2px solid #fff;
  border-radius: 999px;
  color: #fff;
  background: #d9361a;
  font-size: 11px;
  font-weight: 800;
  line-height: 19px;
  text-align: center;
  box-shadow: 0 2px 7px rgba(100, 20, 10, 0.28);
}

:is(.lka-menu-toggle, .menu-toggle) {
  display: none;
}

:is(.lka-primary-nav, .primary-nav) {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

:is(.lka-primary-nav, .primary-nav) :is(.lka-container, .container) {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 22px;
  padding-block: 4px;
  font-size: 13px;
  font-weight: 700;
}

.lka-primary-nav ul.lka-nav-list,
.lka-primary-nav > .lka-container > ul {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
  flex: 1;
}

.lka-primary-nav ul.lka-nav-list > li,
.lka-primary-nav > .lka-container > ul > li {
  position: relative;
  white-space: nowrap;
  padding-block: 6px;
}

.lka-primary-nav ul.lka-nav-list > li > a,
.lka-primary-nav > .lka-container > ul > li > a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.lka-primary-nav li.menu-item-has-children > a::after {
  content: "▾";
  font-size: 11px;
  opacity: 0.85;
}

/* Ẩn menu con cấp 2 và chỉ hiển thị dạng Dropdown gọn gàng khi rê chuột vào */
.lka-primary-nav ul.sub-menu,
.lka-primary-nav ul.children {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 80;
  min-width: 230px;
  max-height: 70vh;
  overflow-y: auto;
  margin: 0;
  padding: 8px 0;
  list-style: none;
  border: 1px solid var(--lka-line);
  border-radius: 10px;
  background: #fff;
  color: var(--lka-ink);
  box-shadow: 0 12px 32px rgba(18, 28, 42, 0.16);
}

.lka-primary-nav li:hover > ul.sub-menu,
.lka-primary-nav li:focus-within > ul.sub-menu,
.lka-primary-nav li:hover > ul.children,
.lka-primary-nav li:focus-within > ul.children {
  display: block;
}

.lka-primary-nav ul.sub-menu li,
.lka-primary-nav ul.children li {
  margin: 0;
  padding: 0;
}

.lka-primary-nav ul.sub-menu a,
.lka-primary-nav ul.children a {
  display: block;
  padding: 8px 16px;
  color: var(--lka-ink);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.lka-primary-nav ul.sub-menu a:hover,
.lka-primary-nav ul.children a:hover {
  color: var(--lka-brand);
  background: #fff5f1;
}

:is(.lka-primary-nav, .primary-nav) > :is(.lka-container, .container) > a:hover,
.lka-primary-nav ul.lka-nav-list > li > a:hover {
  color: #ffe6df;
}

.support-nav-trigger {
  flex-shrink: 0;
  margin-left: auto;
}

/* Buttons & Common Elements */
.lka-button,
.button,
.woocommerce a.button,
.woocommerce button.button,
.woocommerce input.button,
.woocommerce #respond input#submit,
.woocommerce a.button.alt,
.woocommerce button.button.alt,
.woocommerce input.button.alt,
.woocommerce button.button.alt.disabled,
.woocommerce button.button.alt:disabled,
.woocommerce button.button.alt:disabled[disabled] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  border: 0;
  border-radius: 6px;
  color: #fff !important;
  background: var(--lka-brand) !important;
  font-weight: 700;
  cursor: pointer;
}

.lka-button:hover,
.button:hover,
.woocommerce a.button:hover,
.woocommerce button.button:hover,
.woocommerce a.button.alt:hover,
.woocommerce button.button.alt:hover,
.woocommerce input.button.alt:hover {
  color: #fff !important;
  background: var(--lka-brand-dark) !important;
}

.woocommerce button.button.alt.disabled,
.woocommerce button.button.alt:disabled,
.woocommerce button.button.alt:disabled[disabled] {
  opacity: 0.65 !important;
}

.lka-eyebrow,
.eyebrow {
  color: var(--lka-brand);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}

/* Main Layout, Single Product & Cart */
:is(.lka-main, .page-shell) {
  min-height: 60vh;
  padding: 44px 0 72px;
  background: var(--lka-soft);
}

.woocommerce-breadcrumb,
.lka-breadcrumb,
.breadcrumbs {
  margin-bottom: 20px;
  color: var(--lka-muted);
  font-size: 13px;
}

.woocommerce-breadcrumb a:hover,
.breadcrumbs a:hover {
  color: var(--lka-brand);
}

.lka-main h1,
.page-title,
.woocommerce-products-header__title.page-title {
  margin: 8px 0 18px;
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 750;
  line-height: 1.12;
  letter-spacing: -1.1px;
}

.woocommerce div.product,
.product-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 44px;
  padding: 28px;
  border: 1px solid var(--lka-line);
  border-radius: 14px;
  background: #fff;
}

.woocommerce div.product div.images,
.woocommerce div.product div.summary,
.woocommerce #content div.product div.images,
.woocommerce #content div.product div.summary,
.woocommerce-page div.product div.images,
.woocommerce-page div.product div.summary {
  float: none !important;
  width: 100% !important;
  margin: 0 !important;
}

.woocommerce div.product div.images img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid #f0f2f4;
  background: #f8f9fa;
}

.woocommerce div.product div.images .flex-control-thumbs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.woocommerce div.product div.images .flex-control-thumbs li {
  width: 100% !important;
  float: none !important;
  margin: 0 !important;
}

.woocommerce div.product div.images .flex-control-thumbs li img {
  aspect-ratio: 1 / 1;
  border-radius: 8px;
}

.woocommerce div.product .woocommerce-tabs,
.woocommerce div.product .related.products,
.woocommerce div.product .upsells.products {
  grid-column: 1 / -1;
}

.woocommerce div.product .product_title,
.product-title {
  margin: 4px 0 12px;
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.5px;
  color: #1e293b;
}

.woocommerce div.product p.price,
.woocommerce div.product span.price,
.product-price {
  margin: 14px 0 !important;
  color: var(--lka-brand) !important;
  font-size: 28px !important;
  font-weight: 800 !important;
}

.woocommerce div.product p.price del,
.woocommerce div.product span.price del {
  color: #94a3b8 !important;
  font-size: 16px !important;
  font-weight: 500 !important;
  margin-right: 8px;
}

.woocommerce div.product p.price ins,
.woocommerce div.product span.price ins {
  text-decoration: none !important;
}

/* Căn chỉnh bảng TUỲ CHỌN biến thể & ô Số lượng trong trang chi tiết sản phẩm */
.woocommerce div.product form.cart {
  margin: 20px 0 !important;
}

.woocommerce div.product form.cart .variations {
  width: 100%;
  margin-bottom: 16px !important;
  border-collapse: separate;
  border-spacing: 0 10px;
}

.woocommerce div.product form.cart .variations tr {
  display: grid;
  grid-template-columns: 110px 1fr;
  align-items: center;
  gap: 12px;
}

.woocommerce div.product form.cart .variations td,
.woocommerce div.product form.cart .variations th {
  padding: 0 !important;
  vertical-align: middle !important;
  line-height: 1.4 !important;
}

.woocommerce div.product form.cart .variations td.label label {
  font-size: 13px;
  font-weight: 700;
  color: #334155;
  text-transform: uppercase;
}

.woocommerce div.product form.cart .variations select {
  width: 100% !important;
  max-width: 340px;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #fff;
  color: #1e293b;
  font-size: 14px;
}

.woocommerce div.product form.cart div.quantity {
  float: none !important;
  display: inline-flex;
  margin: 0 10px 0 0 !important;
}

.woocommerce div.product form.cart .quantity input.qty {
  width: 78px;
  min-height: 44px;
  padding: 6px 10px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
}

.woocommerce div.product .woocommerce-variation-add-to-cart,
.woocommerce div.product form.cart:not(.variations_form) {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.woocommerce div.product .product_meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid #eef1f4;
  color: #64748b;
  font-size: 13px;
}

.woocommerce div.product .product_meta > span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: 6px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}

.product-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 20px;
}

.product-facts div {
  padding: 13px;
  border-radius: 10px;
  border: 1px solid #edf1f5;
  background: #f8fafc;
}

.product-facts small {
  display: block;
  color: var(--lka-muted);
  font-size: 12px;
}

.woocommerce table.shop_table {
  border-color: var(--lka-line);
  border-radius: 14px;
  background: #fff;
}

.woocommerce-cart .cart-collaterals .cart_totals {
  width: min(100%, 480px);
}

.empty-state {
  padding: 64px 20px;
  border: 1px dashed #bec9c7;
  border-radius: var(--lka-radius);
  background: #fff;
  text-align: center;
}

/* Footer */
:is(.lka-site-footer, .site-footer) {
  padding: 50px 0 22px;
  color: #d8e0e0;
  background: #2f2f2f;
  border-top: 4px solid var(--lka-brand);
}

:is(.lka-footer-grid, .footer-grid) {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 36px;
}

:is(.lka-site-footer, .site-footer) :is(h3, h4) {
  color: #fff;
}

:is(.lka-site-footer, .site-footer) ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

:is(.lka-site-footer, .site-footer) li,
:is(.lka-site-footer, .site-footer) a {
  display: block;
  margin: 8px 0;
}

:is(.lka-site-footer, .site-footer) a:hover {
  color: #fff;
  text-decoration: underline;
}

:is(.lka-footer-bottom, .footer-bottom) {
  margin-top: 38px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #91a4a5;
  font-size: 13px;
}

/* Support Dialog */
button.support-inline,
.support-inline {
  display: inline !important;
  min-height: 0 !important;
  height: auto !important;
  padding: 0 !important;
  margin: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  color: inherit !important;
  background: transparent !important;
  box-shadow: none !important;
  font: inherit !important;
  cursor: pointer;
}

button.support-nav-trigger,
.support-nav-trigger {
  min-height: 32px !important;
  padding: 0 !important;
  border: 0 !important;
  color: inherit !important;
  background: transparent !important;
  box-shadow: none !important;
  font: inherit !important;
  font-weight: 650 !important;
  cursor: pointer;
}

.support-inline:hover,
.support-nav-trigger:hover {
  text-decoration: underline;
}

.support-open,
.categories-open {
  overflow: hidden;
}

.support-dialog {
  width: min(460px, calc(100% - 32px));
  max-height: 88dvh;
  padding: 0;
  border: 0;
  border-radius: 20px;
  color: #252c36;
  background: #fff;
  box-shadow: 0 24px 80px #17213133;
  overscroll-behavior: contain;
}

.support-dialog::backdrop {
  background: #17202c80;
  backdrop-filter: blur(3px);
}

.support-dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 24px 22px 18px;
  border-bottom: 1px solid #f0f1f3;
  background: #fff;
}

.support-eyebrow {
  color: #bd482c;
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 1.2px;
}

.support-dialog-head h2 {
  margin: 3px 0 4px;
  font-size: 24px;
  line-height: 1.25;
  letter-spacing: -0.6px;
}

.support-dialog-head p {
  margin: 0;
  color: #7b8088;
  font-size: 12px;
}

.support-dialog-head button {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: #58616d;
  background: #f4f5f7;
  font-size: 27px;
  cursor: pointer;
}

.support-options {
  display: grid;
  gap: 10px;
  padding: 18px 18px 10px;
}

.support-option {
  display: flex;
  align-items: center;
  gap: 13px;
  min-height: 82px;
  padding: 13px;
  border: 1px solid #e9ecf0;
  border-radius: 12px;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

.support-option:hover {
  background: #fafbfc;
  border-color: #b5bdc7;
}

.support-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 13px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: -0.4px;
}

.support-zalo .support-mark {
  color: #0870e9;
  background: #eaf3ff;
}

.support-shopee .support-mark {
  color: #d85021;
  background: #fff0e8;
}

.support-ghn .support-mark {
  color: #c8690b;
  background: #fff4e4;
}

.support-viettel .support-mark {
  color: #c93248;
  background: #ffedf0;
}

.support-option strong {
  display: block;
  font-size: 14px;
  font-weight: 650;
}

.support-option small {
  display: block;
  margin-top: 3px;
  font-size: 11px;
  color: #7b8088;
}

.support-arrow {
  margin-left: auto;
  font-size: 19px;
  color: #a0a6af;
}

.support-note {
  margin: 0;
  padding: 8px 22px 22px;
  color: #7d828a;
  font-size: 11px;
  line-height: 1.8;
}

.support-note a {
  color: #bd482c;
  text-decoration: underline;
}

.support-status {
  margin: 0 18px 20px;
  padding: 12px;
  border: 1px solid #f2d3b1;
  border-radius: 8px;
  color: #975f20;
  background: #fff8ed;
  font-size: 12px;
}

/* Floating Contact Shortcuts */
.floating-contact {
  position: fixed;
  z-index: 65;
  right: 22px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.floating-contact a {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 2px solid #fff;
  border-radius: 50%;
  box-shadow: 0 4px 16px #17202c30;
  transition: transform 0.15s;
}

.floating-contact a:hover {
  transform: translateY(-2px);
}

.floating-contact-zalo {
  background: #0875ee;
}

.floating-contact-zalo svg {
  width: 43px;
  height: 43px;
}

.floating-contact-phone {
  color: #fff;
  background: #18a75b;
}

.floating-contact-phone svg {
  width: 26px;
  height: 26px;
}

@media (max-width: 980px) {
  :is(.lka-header-row, .header-row) {
    grid-template-columns: auto 1fr auto;
    gap: 16px;
  }
  :is(.lka-search, form.search) {
    grid-column: 1 / -1;
    grid-row: 2;
    margin-bottom: 14px;
  }
  :is(.lka-primary-nav, .primary-nav) {
    display: none;
  }
  :is(.lka-primary-nav.is-open, .primary-nav.open) {
    display: block;
  }
  :is(.lka-menu-toggle, .menu-toggle) {
    display: grid;
  }
  .woocommerce div.product,
  .product-layout {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 20px;
  }
  :is(.lka-footer-grid, .footer-grid) {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  :is(.lka-footer-grid, .footer-grid),
  .product-facts {
    grid-template-columns: 1fr;
  }
  .support-dialog {
    position: fixed;
    inset: auto 0 0;
    width: 100%;
    max-width: none;
    max-height: 90dvh;
    margin: 0;
    border-radius: 22px 22px 0 0;
    padding-bottom: env(safe-area-inset-bottom);
  }
  .support-dialog-head {
    padding: 22px 18px 16px;
  }
  .support-dialog-head h2 {
    font-size: 22px;
  }
  .support-options {
    padding: 14px 14px 8px;
    gap: 9px;
  }
  .support-option {
    min-height: 78px;
    gap: 11px;
    padding: 12px;
  }
  .support-option strong {
    font-size: 13px;
  }
  .support-option small {
    font-size: 10px;
  }
  .support-note {
    padding: 8px 18px 20px;
    font-size: 10px;
  }
  .floating-contact {
    right: 12px;
    bottom: calc(84px + env(safe-area-inset-bottom));
    gap: 9px;
  }
  .floating-contact a {
    width: 46px;
    height: 46px;
  }
  .floating-contact-zalo svg {
    width: 38px;
    height: 38px;
  }
  .floating-contact-phone svg {
    width: 23px;
    height: 23px;
  }
}