:root {
    --green-950: #0d3b2a;
    --green-900: #104d35;
    --green-800: #12613f;
    --green-700: #157347;
    --green-600: #1c8a55;
    --green-100: #e8f5ed;
    --green-50: #f3faf6;
    --orange: #f08b3e;
    --orange-soft: #fff3e8;
    --ink: #17231d;
    --muted: #67736c;
    --line: #dfe8e2;
    --surface: #ffffff;
    --surface-alt: #f6f8f6;
    --danger: #b42318;
    --danger-soft: #fef3f2;
    --warning: #a15c07;
    --warning-soft: #fff7e8;
    --info: #175cd3;
    --info-soft: #eff6ff;
    --shadow: 0 18px 50px rgba(16, 77, 53, 0.09);
    --shadow-soft: 0 8px 24px rgba(16, 77, 53, 0.07);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --container: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background: var(--surface-alt);
    font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

button,
input,
select,
textarea {
    font: inherit;
}

button,
select {
    cursor: pointer;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

img {
    max-width: 100%;
}

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

h1,
h2,
h3 {
    line-height: 1.2;
}

.container {
    width: min(calc(100% - 40px), var(--container));
    margin-inline: auto;
}

.card {
    background: var(--surface);
    border: 1px solid rgba(16, 77, 53, 0.08);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid rgba(16, 77, 53, 0.08);
    backdrop-filter: blur(16px);
}

.header-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.brand-mark {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(145deg, var(--green-700), var(--green-950));
    border-radius: 14px 14px 14px 5px;
    font-size: 21px;
    font-weight: 800;
    box-shadow: 0 8px 20px rgba(21, 115, 71, 0.25);
}

.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.brand-copy strong {
    font-size: 18px;
    letter-spacing: 0.04em;
}

.brand-copy small {
    margin-top: 4px;
    color: var(--muted);
    font-size: 11px;
    letter-spacing: 0.08em;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-nav > a,
.link-button {
    padding: 9px 12px;
    color: #415048;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    transition: 0.2s ease;
}

.main-nav > a:hover,
.main-nav > a.active,
.link-button:hover {
    color: var(--green-800);
    background: var(--green-100);
}

.nav-cart {
    position: relative;
}

.cart-badge {
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    display: inline-grid;
    place-items: center;
    color: #fff;
    background: var(--orange);
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
}

.user-chip {
    max-width: 190px;
    padding: 8px 12px;
    color: var(--green-800);
    background: var(--green-50);
    border: 1px solid var(--green-100);
    border-radius: 999px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
    font-weight: 600;
}

.logout-form {
    margin: 0;
}

.link-button {
    border: 0;
    background: transparent;
}

.menu-toggle {
    width: 42px;
    height: 42px;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
}

.menu-toggle span {
    width: 18px;
    height: 2px;
    background: var(--ink);
    border-radius: 999px;
}

.page-main {
    min-height: calc(100vh - 152px);
}

.site-footer {
    padding: 26px 0;
    color: #6b7971;
    font-size: 13px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    border-top: 1px solid var(--line);
    padding-top: 24px;
}

.button {
    min-height: 44px;
    padding: 10px 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid transparent;
    border-radius: 11px;
    font-size: 14px;
    font-weight: 700;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.button:hover:not(:disabled) {
    transform: translateY(-1px);
}

.button-primary {
    color: #fff;
    background: var(--green-700);
    box-shadow: 0 8px 18px rgba(21, 115, 71, 0.18);
}

.button-primary:hover:not(:disabled) {
    background: var(--green-800);
}

.button-secondary {
    color: var(--green-800);
    background: var(--green-50);
    border-color: var(--green-100);
}

.button-light {
    color: var(--green-900);
    background: #fff;
    box-shadow: 0 10px 24px rgba(7, 38, 26, 0.15);
}

.button-ghost {
    color: var(--muted);
    background: transparent;
    border-color: var(--line);
}

.button-block {
    width: 100%;
}

.button-small {
    min-height: 38px;
    padding: 8px 12px;
    font-size: 13px;
}

.eyebrow,
.section-kicker {
    display: inline-block;
    color: var(--green-700);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.section-heading {
    margin-bottom: 26px;
}

.section-heading h1,
.section-heading h2 {
    margin: 7px 0 10px;
    font-size: clamp(28px, 4vw, 40px);
}

.section-heading p {
    margin-bottom: 0;
    color: var(--muted);
}

.heading-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
}

.content-section {
    padding-top: 44px;
    padding-bottom: 32px;
}

.text-link {
    color: var(--green-700);
    font-weight: 700;
}

.result-count {
    color: var(--muted);
    font-size: 14px;
}

.flash-stack {
    position: fixed;
    z-index: 100;
    top: 88px;
    right: 24px;
    width: min(420px, calc(100% - 32px));
    display: grid;
    gap: 10px;
}

.flash {
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border: 1px solid;
    border-radius: 12px;
    box-shadow: var(--shadow);
    animation: flash-in 0.25s ease;
    font-size: 14px;
}

.flash-success {
    color: var(--green-900);
    background: #effbf3;
    border-color: #b9e4c8;
}

.flash-error {
    color: var(--danger);
    background: var(--danger-soft);
    border-color: #f4c7c3;
}

.flash button {
    padding: 0;
    border: 0;
    color: inherit;
    background: transparent;
    font-size: 22px;
    line-height: 1;
}

.flash.is-hiding {
    opacity: 0;
    transform: translateY(-8px);
    transition: 0.2s ease;
}

@keyframes flash-in {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-shell {
    width: min(calc(100% - 40px), 1120px);
    min-height: calc(100vh - 152px);
    margin-inline: auto;
    padding: 52px 0;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
    align-items: center;
    gap: 72px;
}

.login-intro {
    padding: 40px 0;
}

.login-intro h1 {
    margin: 16px 0 22px;
    color: var(--green-950);
    font-size: clamp(40px, 6vw, 66px);
    letter-spacing: -0.04em;
}

.login-intro > p {
    max-width: 620px;
    color: var(--muted);
    font-size: 17px;
}

.feature-row {
    margin-top: 42px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.feature-row div {
    padding: 18px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(16, 77, 53, 0.08);
    border-radius: 15px;
}

.feature-row strong,
.feature-row span {
    display: block;
}

.feature-row strong {
    color: var(--green-800);
    font-size: 20px;
}

.feature-row span {
    margin-top: 3px;
    color: var(--muted);
    font-size: 13px;
}

.login-card {
    padding: 34px;
    box-shadow: var(--shadow);
}

.card-heading h2 {
    margin: 7px 0 8px;
    font-size: 28px;
}

.card-heading p {
    color: var(--muted);
}

.card-heading.compact {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.card-heading.compact h2 {
    margin: 0 0 5px;
    font-size: 21px;
}

.card-heading.compact p {
    margin: 0;
    font-size: 14px;
}

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

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

.form-stack label,
.form-grid label,
.cart-quantity {
    display: grid;
    gap: 7px;
}

.form-stack label > span,
.form-grid label > span,
.cart-quantity > span {
    color: #405048;
    font-size: 13px;
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    color: var(--ink);
    background: #fff;
    border: 1px solid #ccd8d0;
    border-radius: 10px;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input,
select {
    min-height: 46px;
    padding: 10px 12px;
}

textarea {
    min-height: 110px;
    padding: 12px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--green-600);
    box-shadow: 0 0 0 4px rgba(28, 138, 85, 0.1);
}

.field-full {
    grid-column: 1 / -1;
}

.demo-account {
    margin-top: 24px;
    padding: 15px;
    display: grid;
    gap: 3px;
    color: var(--muted);
    background: var(--green-50);
    border-radius: 12px;
    font-size: 12px;
}

.demo-account strong {
    color: var(--green-800);
    margin-bottom: 3px;
}

.hero-band {
    color: #fff;
    background:
        radial-gradient(circle at 78% 18%, rgba(255, 255, 255, 0.16), transparent 22%),
        linear-gradient(120deg, var(--green-950), var(--green-700));
}

.hero-content {
    min-height: 250px;
    padding: 52px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content .eyebrow,
.admin-hero .eyebrow {
    color: #bce8ca;
}

.hero-content h1 {
    margin: 10px 0 12px;
    font-size: clamp(34px, 5vw, 54px);
}

.hero-content p {
    margin: 0;
    color: rgba(255, 255, 255, 0.75);
}

.catalog-toolbar {
    margin-top: -78px;
    margin-bottom: 44px;
    padding: 20px;
    position: relative;
    z-index: 2;
}

.search-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
}

.category-tabs {
    margin-top: 16px;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
}

.category-tabs::-webkit-scrollbar {
    display: none;
}

.category-tabs a {
    padding: 8px 13px;
    flex-shrink: 0;
    color: var(--muted);
    background: var(--surface-alt);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
}

.category-tabs a.active,
.category-tabs a:hover {
    color: #fff;
    background: var(--green-700);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.product-card {
    overflow: hidden;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.product-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.product-visual {
    min-height: 138px;
    padding: 22px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    color: #fff;
    background: linear-gradient(145deg, #236f4a, #174632);
}

.product-visual.category-2 {
    background: linear-gradient(145deg, #d9782c, #9b4d1b);
}

.product-visual.category-3 {
    background: linear-gradient(145deg, #8a4938, #522d25);
}

.product-visual.category-4 {
    background: linear-gradient(145deg, #2c7d88, #174d58);
}

.product-visual.category-5 {
    background: linear-gradient(145deg, #aa7b28, #6c4d14);
}

.product-visual > span {
    font-size: 58px;
    font-weight: 900;
    line-height: 1;
    opacity: 0.92;
}

.product-visual small {
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 999px;
    backdrop-filter: blur(6px);
}

.product-body {
    padding: 20px;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    color: var(--muted);
    font-size: 11px;
}

.product-body h3 {
    margin: 12px 0 5px;
    font-size: 20px;
}

.product-body > p {
    color: var(--muted);
    font-size: 13px;
}

.product-purchase {
    margin-top: 20px;
    padding-top: 18px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    border-top: 1px solid var(--line);
}

.price strong,
.price span {
    display: block;
}

.price strong {
    color: var(--orange);
    font-size: 23px;
}

.price span {
    color: var(--muted);
    font-size: 11px;
}

.add-form {
    display: flex;
    align-items: center;
    gap: 7px;
}

.quantity-compact input {
    width: 64px;
    min-height: 38px;
    padding: 7px 8px;
    text-align: center;
}

.empty-state {
    padding: 70px 24px;
    text-align: center;
}

.empty-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 18px;
    display: grid;
    place-items: center;
    color: var(--green-700);
    background: var(--green-100);
    border-radius: 22px;
    font-size: 24px;
    font-weight: 900;
}

.empty-state h1,
.empty-state h3 {
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--muted);
}

.cart-layout,
.checkout-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 24px;
    align-items: start;
}

.cart-list {
    overflow: hidden;
}

.cart-item {
    padding: 22px;
    display: grid;
    grid-template-columns: 58px minmax(180px, 1.6fr) minmax(95px, 0.7fr) minmax(110px, 0.7fr) minmax(95px, 0.7fr);
    align-items: center;
    gap: 18px;
    border-bottom: 1px solid var(--line);
}

.cart-product-mark {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    color: #fff;
    background: var(--green-700);
    border-radius: 15px;
    font-size: 22px;
    font-weight: 800;
}

.cart-product-info span,
.cart-unit-price span,
.cart-subtotal span {
    color: var(--muted);
    font-size: 11px;
}

.cart-product-info h3 {
    margin: 4px 0;
    font-size: 17px;
}

.cart-product-info p {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
}

.cart-unit-price strong,
.cart-subtotal strong,
.cart-unit-price span,
.cart-subtotal span {
    display: block;
}

.cart-subtotal strong {
    color: var(--orange);
}

.cart-quantity input {
    min-height: 40px;
}

.cart-actions {
    padding: 16px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    background: #fbfcfb;
}

.cart-actions span {
    color: var(--muted);
    font-size: 12px;
}

.summary-card {
    padding: 24px;
    position: sticky;
    top: 100px;
}

.summary-card h2 {
    margin: 7px 0 20px;
}

.summary-line,
.summary-total {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.summary-line {
    padding: 10px 0;
    color: var(--muted);
    font-size: 14px;
}

.summary-line strong {
    color: var(--ink);
}

.summary-total {
    margin-top: 12px;
    padding: 18px 0;
    border-top: 1px solid var(--line);
}

.summary-total strong {
    color: var(--orange);
    font-size: 26px;
}

.summary-card > p {
    color: var(--muted);
    font-size: 12px;
}

.checkout-main {
    display: grid;
    gap: 20px;
}

.form-card,
.order-review {
    padding: 26px;
}

.form-card .form-grid {
    margin-top: 24px;
}

.step-number {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    color: #fff;
    background: var(--green-700);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 800;
}

.review-list {
    margin-top: 22px;
    border-top: 1px solid var(--line);
}

.review-item {
    padding: 14px 0;
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 20px;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
}

.review-item div strong,
.review-item div span {
    display: block;
}

.review-item div span {
    margin-top: 3px;
    color: var(--muted);
    font-size: 12px;
}

.agreement {
    margin: 16px 0;
    display: flex;
    align-items: flex-start;
    gap: 9px;
    color: var(--muted);
    font-size: 12px;
}

.agreement input {
    width: 17px;
    min-height: 17px;
    margin-top: 2px;
}

.checkout-summary .button + .button {
    margin-top: 9px;
}

.order-list,
.admin-order-list {
    display: grid;
    gap: 18px;
}

.order-card {
    overflow: hidden;
}

.order-header,
.order-footer,
.admin-order-top,
.admin-order-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.order-header {
    padding: 22px 24px;
    background: #fbfcfb;
    border-bottom: 1px solid var(--line);
}

.order-header span,
.order-header small {
    color: var(--muted);
    font-size: 12px;
}

.order-header h2 {
    margin: 3px 0 2px;
    font-size: 18px;
}

.status-badge {
    padding: 7px 11px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
    white-space: nowrap;
}

.status-pending {
    color: var(--warning);
    background: var(--warning-soft);
}

.status-confirmed,
.status-picking {
    color: var(--info);
    background: var(--info-soft);
}

.status-shipped {
    color: #6941c6;
    background: #f4f0ff;
}

.status-completed {
    color: var(--green-800);
    background: var(--green-100);
}

.status-cancelled {
    color: var(--danger);
    background: var(--danger-soft);
}

.order-info-grid {
    padding: 20px 24px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 28px;
}

.order-info-grid .wide {
    grid-column: 1 / -1;
}

.order-info-grid span,
.order-info-grid strong {
    display: block;
}

.order-info-grid span {
    color: var(--muted);
    font-size: 11px;
}

.order-info-grid strong {
    margin-top: 3px;
    font-size: 14px;
}

.order-items {
    padding: 0 24px;
}

.order-items > div {
    padding: 12px 0;
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 24px;
    border-top: 1px solid var(--line);
    font-size: 13px;
}

.order-items > div span:nth-child(2) {
    color: var(--muted);
}

.order-footer {
    padding: 18px 24px;
    background: #fbfcfb;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 12px;
}

.order-footer strong {
    margin-left: 8px;
    color: var(--orange);
    font-size: 20px;
}

.admin-hero {
    padding: 52px 0 90px;
    color: #fff;
    background: linear-gradient(120deg, #102f24, #12563b);
}

.admin-hero h1 {
    margin: 10px 0;
    font-size: clamp(34px, 5vw, 52px);
}

.admin-hero p {
    margin: 0;
    color: rgba(255, 255, 255, 0.72);
}

.admin-content {
    margin-top: -54px;
    padding-bottom: 36px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.metric-card {
    padding: 22px;
}

.metric-card span,
.metric-card strong,
.metric-card small {
    display: block;
}

.metric-card span {
    color: var(--muted);
    font-size: 12px;
}

.metric-card strong {
    margin: 8px 0 4px;
    color: var(--green-900);
    font-size: 28px;
}

.metric-card small {
    color: #8a958f;
}

.admin-toolbar {
    margin: 24px 0 18px;
    padding: 20px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.admin-toolbar h2 {
    margin: 5px 0 0;
}

.filter-form,
.status-form {
    display: flex;
    align-items: center;
    gap: 9px;
}

.filter-form select,
.status-form select {
    min-width: 140px;
}

.admin-order {
    overflow: hidden;
}

.admin-order-top {
    padding: 20px 22px;
    background: #fbfcfb;
    border-bottom: 1px solid var(--line);
}

.admin-order-top > div > span {
    color: var(--green-700);
    font-size: 12px;
    font-weight: 800;
}

.admin-order-top h3 {
    margin: 3px 0;
}

.admin-order-top small {
    color: var(--muted);
}

.admin-order-body {
    padding: 20px 22px;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 28px;
}

.admin-order-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.admin-order-meta span,
.admin-order-meta strong {
    display: block;
}

.admin-order-meta span {
    color: var(--muted);
    font-size: 11px;
}

.admin-order-meta strong {
    margin-top: 3px;
    font-size: 13px;
}

.admin-item-list {
    border-left: 1px solid var(--line);
    padding-left: 28px;
}

.admin-item-list > div {
    padding: 9px 0;
    display: flex;
    justify-content: space-between;
    gap: 18px;
    border-bottom: 1px solid var(--line);
    font-size: 12px;
}

.admin-order-footer {
    padding: 16px 22px;
    background: #fbfcfb;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 12px;
}

.environment-card {
    max-width: 760px;
    margin: 40px auto;
    padding: 36px;
}

.environment-card h1 {
    margin: 8px 0 14px;
}

.environment-card > p {
    color: var(--muted);
}

.environment-card code {
    padding: 2px 6px;
    color: var(--green-900);
    background: var(--green-100);
    border-radius: 6px;
}

.environment-command {
    margin-top: 14px;
    padding: 14px 16px;
    display: grid;
    gap: 5px;
    background: var(--surface-alt);
    border: 1px solid var(--line);
    border-radius: 11px;
}

.environment-command strong {
    font-size: 13px;
}

.environment-command span,
.environment-command code {
    font-size: 13px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 980px) {
    .product-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .cart-layout,
    .checkout-layout {
        grid-template-columns: 1fr;
    }

    .summary-card {
        position: static;
    }

    .cart-item {
        grid-template-columns: 54px 1fr 110px;
    }

    .cart-unit-price {
        display: none;
    }

    .cart-quantity {
        grid-column: 2;
    }

    .cart-subtotal {
        grid-column: 3;
        grid-row: 1 / span 2;
        text-align: right;
    }

    .metric-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .admin-order-body {
        grid-template-columns: 1fr;
    }

    .admin-item-list {
        padding-left: 0;
        border-left: 0;
        border-top: 1px solid var(--line);
        padding-top: 10px;
    }
}

@media (max-width: 820px) {
    .login-shell {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 26px 0 42px;
    }

    .login-intro {
        padding-bottom: 12px;
    }

    .login-intro h1 {
        font-size: 42px;
    }

    .menu-toggle {
        display: flex;
    }

    .main-nav {
        position: absolute;
        top: calc(100% + 1px);
        right: 20px;
        width: min(320px, calc(100% - 40px));
        padding: 12px;
        display: none;
        align-items: stretch;
        flex-direction: column;
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 0 0 16px 16px;
        box-shadow: var(--shadow);
    }

    .main-nav.is-open {
        display: flex;
    }

    .main-nav > a,
    .link-button {
        width: 100%;
        text-align: left;
    }

    .user-chip {
        max-width: none;
        border-radius: 10px;
    }

    .hero-content {
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
    }

    .admin-toolbar,
    .admin-order-footer {
        align-items: stretch;
        flex-direction: column;
    }

    .filter-form,
    .status-form {
        width: 100%;
    }

    .filter-form select,
    .status-form select {
        flex: 1;
    }
}

@media (max-width: 640px) {
    .container,
    .login-shell {
        width: min(calc(100% - 24px), var(--container));
    }

    .header-inner {
        min-height: 66px;
    }

    .brand-mark {
        width: 38px;
        height: 38px;
    }

    .brand-copy strong {
        font-size: 16px;
    }

    .brand-copy small {
        display: none;
    }

    .content-section {
        padding-top: 30px;
    }

    .heading-row,
    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .login-intro h1 {
        font-size: 35px;
    }

    .login-card {
        padding: 24px 20px;
    }

    .feature-row {
        grid-template-columns: 1fr;
        margin-top: 28px;
    }

    .hero-content {
        min-height: 265px;
        padding: 36px 0 92px;
    }

    .hero-content h1 {
        font-size: 36px;
    }

    .catalog-toolbar {
        margin-top: -65px;
        padding: 14px;
    }

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

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

    .product-purchase {
        align-items: stretch;
        flex-direction: column;
    }

    .add-form {
        display: grid;
        grid-template-columns: 74px 1fr;
    }

    .quantity-compact input {
        width: 100%;
    }

    .cart-item {
        padding: 18px;
        grid-template-columns: 48px 1fr;
        gap: 12px;
    }

    .cart-product-mark {
        width: 46px;
        height: 46px;
    }

    .cart-quantity,
    .cart-subtotal {
        grid-column: 2;
        grid-row: auto;
        text-align: left;
    }

    .cart-subtotal {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .cart-actions {
        align-items: stretch;
        flex-direction: column;
    }

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

    .field-full {
        grid-column: auto;
    }

    .form-card,
    .order-review,
    .summary-card {
        padding: 20px;
    }

    .review-item {
        grid-template-columns: 1fr auto;
    }

    .review-item > strong {
        grid-column: 2;
    }

    .order-header,
    .order-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .order-info-grid {
        grid-template-columns: 1fr;
    }

    .order-info-grid .wide {
        grid-column: auto;
    }

    .order-items > div {
        grid-template-columns: 1fr;
        gap: 4px;
    }

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

    .admin-hero {
        padding: 38px 0 78px;
    }

    .admin-order-meta {
        grid-template-columns: 1fr;
    }

    .status-form {
        align-items: stretch;
        flex-direction: column;
    }

    .flash-stack {
        top: 76px;
        right: 12px;
        width: calc(100% - 24px);
    }
}

.management-list {
    display: grid;
    gap: 14px;
}

.management-row {
    padding: 18px;
    display: grid;
    grid-template-columns: minmax(270px, 1.5fr) minmax(130px, 0.55fr) minmax(130px, 0.55fr) auto auto;
    align-items: end;
    gap: 16px;
}

.management-row > label:not(.switch-label) {
    display: grid;
    gap: 6px;
}

.management-row > label > span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.management-product {
    display: flex;
    align-items: center;
    gap: 14px;
}

.management-mark,
.buyer-avatar {
    width: 50px;
    height: 50px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    color: #fff;
    background: var(--green-700);
    border-radius: 14px;
    font-size: 20px;
    font-weight: 800;
}

.management-product small,
.management-product p {
    color: var(--muted);
    font-size: 11px;
}

.management-product h2 {
    margin: 3px 0;
    font-size: 17px;
}

.management-product p {
    margin: 0;
}

.switch-label {
    min-height: 46px;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.switch-label input {
    width: 18px;
    min-height: 18px;
}

.switch-label span {
    font-size: 13px;
    font-weight: 700;
}

.buyer-layout {
    display: grid;
    grid-template-columns: minmax(330px, 0.75fr) minmax(0, 1.25fr);
    gap: 22px;
    align-items: start;
}

.buyer-form-card,
.buyer-list-card {
    padding: 26px;
}

.buyer-form-card .form-grid {
    margin-top: 24px;
}

.buyer-list {
    margin-top: 18px;
    display: grid;
}

.buyer-list article {
    padding: 16px 0;
    display: flex;
    align-items: center;
    gap: 14px;
    border-top: 1px solid var(--line);
}

.buyer-list h3 {
    margin: 0 0 3px;
    font-size: 16px;
}

.buyer-list p,
.buyer-list small {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
}

@media (max-width: 980px) {
    .management-row {
        grid-template-columns: minmax(240px, 1fr) repeat(2, minmax(120px, 0.5fr));
    }

    .management-row .switch-label,
    .management-row .button {
        grid-column: auto;
    }

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

@media (max-width: 700px) {
    .management-row {
        grid-template-columns: 1fr 1fr;
        align-items: end;
    }

    .management-product {
        grid-column: 1 / -1;
    }

    .management-row .button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .management-row {
        grid-template-columns: 1fr;
    }

    .management-product,
    .management-row .switch-label,
    .management-row .button {
        grid-column: auto;
    }
}