:root {
    --sf-font-sans:
        'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
    --sf-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    --sf-bg: #ffffff;
    --sf-surface: #ffffff;
    --sf-surface-muted: #f5f7fa;
    --sf-border: #dcdfe6;
    --sf-border-light: #e4e7ed;
    --sf-border-strong: #d4d7de;
    --sf-text: #303133;
    --sf-text-muted: #606266;
    --sf-text-subtle: #909399;
    --sf-link: #409eff;
    --sf-link-hover: #337ecc;
    --sf-accent: #409eff;
    --sf-accent-hover: #79bbff;
    --sf-on-accent: #ffffff;
    --sf-accent-subtle: #ecf5ff;
    --sf-accent-border: #c6e2ff;
    --sf-success: #67c23a;
    --sf-success-bg: #f0f9eb;
    --sf-success-border: #d1edc4;
    --sf-error: #f56c6c;
    --sf-error-bg: #fef0f0;
    --sf-error-border: #fcd3d3;
    --sf-warning: #e6a23c;
    --sf-warning-bg: #fdf6ec;
    --sf-warning-border: #f8e3c5;
    --sf-focus: #409eff;
    --sf-shadow-card: none;
    --sf-shadow: none;
    --sf-shadow-md: 0 0 12px rgba(0, 0, 0, 0.12);
    --sf-radius-sm: 2px;
    --sf-radius: 4px;
    --sf-radius-lg: 8px;
    --sf-radius-full: 999px;
    --sf-space-1: 4px;
    --sf-space-2: 8px;
    --sf-space-3: 12px;
    --sf-space-4: 16px;
    --sf-space-5: 20px;
    --sf-space-6: 24px;
    --sf-space-8: 32px;
    --sf-space-10: 40px;
    --sf-space-12: 48px;
    --sf-container: 88rem;
    --sf-split-sidebar: minmax(220px, 320px);
    --sf-product-card-min: 11rem;
    --sf-product-card-max: 22rem;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme='light']) {
        --sf-bg: #0a0a0a;
        --sf-surface: #141414;
        --sf-surface-muted: #262727;
        --sf-border: #4c4d4f;
        --sf-border-light: #414243;
        --sf-border-strong: #58585b;
        --sf-text: #e5eaf3;
        --sf-text-muted: #cfd3dc;
        --sf-text-subtle: #a3a6ad;
        --sf-link: #409eff;
        --sf-link-hover: #66b1ff;
        --sf-accent: #409eff;
        --sf-accent-hover: #66b1ff;
        --sf-on-accent: #ffffff;
        --sf-accent-subtle: #18222b;
        --sf-accent-border: #213d5b;
        --sf-success: #67c23a;
        --sf-success-bg: #1c2518;
        --sf-success-border: #2d481f;
        --sf-error: #f56c6c;
        --sf-error-bg: #2a1d1d;
        --sf-error-border: #582e2e;
        --sf-warning: #e6a23c;
        --sf-warning-bg: #292218;
        --sf-warning-border: #533f20;
        --sf-focus: #409eff;
        --sf-shadow-card: none;
        --sf-shadow: none;
        --sf-shadow-md: 0 1px 3px rgba(0, 0, 0, 0.4);
    }
}

:root[data-theme='dark'] {
    --sf-bg: #0a0a0a;
    --sf-surface: #141414;
    --sf-surface-muted: #262727;
    --sf-border: #4c4d4f;
    --sf-border-light: #414243;
    --sf-border-strong: #58585b;
    --sf-text: #e5eaf3;
    --sf-text-muted: #cfd3dc;
    --sf-text-subtle: #a3a6ad;
    --sf-link: #409eff;
    --sf-link-hover: #66b1ff;
    --sf-accent: #409eff;
    --sf-accent-hover: #66b1ff;
    --sf-on-accent: #ffffff;
    --sf-accent-subtle: #18222b;
    --sf-accent-border: #213d5b;
    --sf-success: #67c23a;
    --sf-success-bg: #1c2518;
    --sf-success-border: #2d481f;
    --sf-error: #f56c6c;
    --sf-error-bg: #2a1d1d;
    --sf-error-border: #582e2e;
    --sf-warning: #e6a23c;
    --sf-warning-bg: #292218;
    --sf-warning-border: #533f20;
    --sf-focus: #409eff;
    --sf-shadow-card: none;
    --sf-shadow: none;
    --sf-shadow-md: 0 1px 3px rgba(0, 0, 0, 0.4);
}

:root[data-theme='light'] {
    --sf-bg: #ffffff;
    --sf-surface: #ffffff;
    --sf-surface-muted: #f5f7fa;
    --sf-border: #dcdfe6;
    --sf-border-light: #e4e7ed;
    --sf-border-strong: #d4d7de;
    --sf-text: #303133;
    --sf-text-muted: #606266;
    --sf-text-subtle: #909399;
    --sf-link: #409eff;
    --sf-link-hover: #337ecc;
    --sf-accent: #409eff;
    --sf-accent-hover: #79bbff;
    --sf-on-accent: #ffffff;
    --sf-accent-subtle: #ecf5ff;
    --sf-accent-border: #c6e2ff;
    --sf-success: #67c23a;
    --sf-success-bg: #f0f9eb;
    --sf-success-border: #d1edc4;
    --sf-error: #f56c6c;
    --sf-error-bg: #fef0f0;
    --sf-error-border: #fcd3d3;
    --sf-warning: #e6a23c;
    --sf-warning-bg: #fdf6ec;
    --sf-warning-border: #f8e3c5;
    --sf-focus: #409eff;
    --sf-shadow-card: none;
    --sf-shadow: none;
    --sf-shadow-md: 0 0 12px rgba(0, 0, 0, 0.12);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    color-scheme: light dark;
}

body.sf-body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: var(--sf-font-sans);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--sf-text);
    background: var(--sf-bg);
}

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

a {
    color: var(--sf-link);
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

a:hover {
    color: var(--sf-link-hover);
}

:focus-visible {
    outline: 2px solid var(--sf-focus);
    outline-offset: 2px;
}

.sf-container {
    width: min(100%, var(--sf-container));
    margin: 0 auto;
    padding: 0 var(--sf-space-4);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.sf-main {
    flex: 1;
    width: 100%;
}

.sf-max-w-half {
    width: 100%;
    max-width: calc(var(--sf-container) / 2);
}

.sf-stack {
    display: flex;
    flex-direction: column;
    gap: var(--sf-space-4);
}

.sf-stack--lg {
    gap: var(--sf-space-8);
}

.sf-split {
    display: grid;
    grid-template-columns: 1fr var(--sf-split-sidebar);
    gap: var(--sf-space-6);
    align-items: start;
}

@media (max-width: 768px) {
    .sf-container {
        padding: 0 var(--sf-space-3);
    }

    .sf-split {
        grid-template-columns: 1fr;
    }
}

.sf-page-title {
    margin: 0 0 var(--sf-space-3);
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.25;
}

.sf-section-title {
    margin: 0 0 var(--sf-space-3);
    font-size: 1.1rem;
    font-weight: 600;
}

.sf-text-muted {
    color: var(--sf-text-muted);
}

.sf-text-subtle {
    color: var(--sf-text-subtle);
    font-size: 0.9rem;
}

.sf-text-success {
    color: var(--sf-success);
    font-weight: 600;
}

.sf-text-error {
    color: var(--sf-error);
}

.sf-text-warning {
    color: var(--sf-warning);
}

.sf-mono {
    font-family: var(--sf-font-mono);
    word-break: break-all;
}

.sf-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;
}

.sf-header {
    margin-bottom: var(--sf-space-4);
    padding: var(--sf-space-3) 0;
    border-bottom: 1px solid var(--sf-border);
}

.sf-header__inner {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sf-space-4);
    align-items: center;
    justify-content: space-between;
}

.sf-header__brand-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sf-space-4);
    align-items: center;
}

.sf-logo-link {
    display: flex;
    align-items: center;
    color: inherit;
    text-decoration: none;
    font-weight: 600;
}

.sf-logo-link:hover {
    color: inherit;
}

.sf-logo {
    width: 200px;
    max-width: 100%;
    height: 50px;
    object-fit: contain;
    display: block;
}

.sf-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sf-space-3);
    align-items: center;
}

.sf-nav-link {
    color: var(--sf-text-muted);
    text-decoration: none;
}

.sf-nav-link:hover {
    color: var(--sf-link-hover);
}

.sf-nav-link--active {
    color: var(--sf-accent);
    font-weight: 600;
}

.sf-nav-order {
    display: inline-flex;
    align-items: center;
    gap: var(--sf-space-1);
}

.sf-rate {
    font-size: 0.95rem;
    color: var(--sf-text-muted);
}

.sf-category-nav {
    margin-bottom: var(--sf-space-5);
    display: flex;
    flex-wrap: wrap;
    gap: var(--sf-space-3);
    align-items: center;
}

.sf-footer {
    flex-shrink: 0;
    margin-top: var(--sf-space-12);
    padding: var(--sf-space-4) 0;
    border-top: 1px solid var(--sf-border);
    font-size: 0.95rem;
    color: var(--sf-text-muted);
}

.sf-footer--stacked {
    margin-top: var(--sf-space-4);
    border-top: none;
    padding-top: 0;
}

.sf-footer__row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sf-space-4);
    align-items: center;
    justify-content: space-between;
}

.sf-theme-switcher {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sf-space-2);
    align-items: center;
}

.sf-theme-switcher__label {
    font-size: 0.9rem;
    color: var(--sf-text-muted);
}

.sf-theme-switcher__form {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sf-space-1);
    margin: 0;
}

.sf-card,
.sf-panel,
.sf-line-item {
    border: 1px solid var(--sf-border-light);
    border-radius: var(--sf-radius);
    background: var(--sf-surface);
    box-shadow: var(--sf-shadow-card);
}

.sf-card {
    padding: var(--sf-space-2);
    display: flex;
    flex-direction: column;
    gap: var(--sf-space-2);
}

.sf-panel {
    padding: var(--sf-space-5);
    align-self: start;
}

.sf-info-box {
    padding: var(--sf-space-3);
    border: 1px solid var(--sf-border-light);
    border-radius: var(--sf-radius);
    background: var(--sf-surface-muted);
    font-size: 0.9rem;
    line-height: 1.45;
    color: var(--sf-text-muted);
}

.sf-info-box__title {
    margin: 0 0 var(--sf-space-3);
    font-weight: 600;
    color: var(--sf-text);
}

.sf-info-box p {
    margin: 0;
}

.sf-info-box p + p,
.sf-info-box p + .sf-info-box__title {
    margin-top: var(--sf-space-3);
}

.sf-alert {
    margin: 0 0 var(--sf-space-4);
    padding: var(--sf-space-3) var(--sf-space-4);
    border-radius: var(--sf-radius);
    border: 1px solid var(--sf-border);
}

.sf-alert--success {
    color: var(--sf-success);
    background: var(--sf-success-bg);
    border-color: var(--sf-success-border);
}

.sf-alert--error {
    color: var(--sf-error);
    background: var(--sf-error-bg);
    border-color: var(--sf-error-border);
}

.sf-alert--warning {
    color: var(--sf-warning);
    background: var(--sf-warning-bg);
    border-color: var(--sf-warning-border);
}

.sf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2rem;
    padding: 0.5rem 0.9375rem;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    background: var(--sf-surface);
    color: var(--sf-text-muted);
    font: inherit;
    font-size: 0.875rem;
    cursor: pointer;
    text-decoration: none;
    transition:
        color 0.1s,
        background-color 0.1s,
        border-color 0.1s;
}

.sf-btn:hover {
    color: var(--sf-accent);
    background: var(--sf-accent-subtle);
    border-color: var(--sf-accent-border);
}

.sf-btn--primary {
    background: var(--sf-accent);
    border-color: var(--sf-accent);
    color: var(--sf-on-accent);
}

.sf-btn--primary:hover {
    background: var(--sf-accent-hover);
    border-color: var(--sf-accent-hover);
    color: var(--sf-on-accent);
}

.sf-btn--dismiss {
    border-color: transparent;
    background: transparent;
    color: var(--sf-error);
    min-height: 1.5rem;
    min-width: 1.5rem;
    padding: 0;
    font-size: 1.125rem;
    line-height: 1;
}

.sf-btn--dismiss:hover {
    background: var(--sf-error-bg);
    border-color: transparent;
    color: var(--sf-error);
}

.sf-dismiss-form {
    margin: 0;
    flex-shrink: 0;
}

.sf-discount-row {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: var(--sf-space-1);
}

.sf-discount-row > .sf-dismiss-form + .sf-discount-row__code {
    margin-left: var(--sf-space-1);
}

.sf-discount-row__code + .sf-discount-row__amount {
    margin-left: var(--sf-space-3);
}

.sf-discount-row__code {
    flex: 1;
    min-width: 0;
}

.sf-discount-row__amount {
    flex-shrink: 0;
}

.sf-btn--sm {
    min-height: 1.5rem;
    padding: 0.3125rem 0.6875rem;
    font-size: 0.75rem;
}

.sf-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.sf-field {
    display: flex;
    flex-direction: column;
    gap: var(--sf-space-1);
}

.sf-field--row {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--sf-space-2);
}

.sf-field__label {
    font-size: 0.9rem;
    font-weight: 600;
}

.sf-input,
.sf-textarea {
    width: 100%;
    padding: 0.3125rem 0.6875rem;
    border: none;
    border-radius: var(--sf-radius);
    background: var(--sf-surface);
    color: var(--sf-text-muted);
    font: inherit;
    font-size: 0.875rem;
    box-shadow: 0 0 0 1px var(--sf-border) inset;
    transition: box-shadow 0.2s;
}

.sf-input:hover,
.sf-textarea:hover {
    box-shadow: 0 0 0 1px var(--sf-border-strong) inset;
}

.sf-input:focus,
.sf-textarea:focus {
    outline: none;
    box-shadow: 0 0 0 1px var(--sf-focus) inset;
}

.sf-input--qty {
    width: 3.25rem;
    padding: 0.1875rem 0.4375rem;
    font-size: 0.75rem;
}

.sf-textarea {
    resize: vertical;
    min-height: 6rem;
}

.sf-form-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sf-space-3);
    align-items: flex-end;
}

.sf-form-col {
    display: flex;
    flex-direction: column;
    gap: var(--sf-space-3);
}

.sf-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.1rem 0.4rem;
    border-radius: var(--sf-radius-full);
    background: var(--sf-accent);
    color: var(--sf-on-accent);
    font-size: 0.65rem;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
}

.sf-badge:hover {
    color: var(--sf-on-accent);
    background: var(--sf-accent-hover);
}

.sf-back-link {
    display: inline-block;
    margin: 0 0 var(--sf-space-4);
}

.sf-back-link a {
    color: var(--sf-accent);
    text-decoration: none;
}

.sf-back-link a:hover {
    color: var(--sf-link-hover);
}

.sf-list-reset {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sf-line-items {
    display: flex;
    flex-direction: column;
    gap: var(--sf-space-4);
}

.sf-line-item {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sf-space-3);
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--sf-space-3);
}

.sf-line-item--removable {
    container-type: inline-size;
}

.sf-line-item--removable > form {
    margin: 0;
    flex-shrink: 0;
}

@container (max-width: 31.25rem) {
    .sf-line-item--removable > form {
        flex-basis: 100%;
        display: flex;
        justify-content: flex-end;
    }
}

@media (max-width: 31.25rem) {
    .sf-line-item--removable {
        flex-direction: column;
    }

    .sf-line-item--removable > form {
        align-self: flex-end;
    }
}

.sf-line-item__main {
    flex: 1;
    min-width: 12.5rem;
    display: flex;
    gap: var(--sf-space-3);
    align-items: flex-start;
}

.sf-line-item__body {
    flex: 1;
    min-width: 0;
}

.sf-line-item__title a {
    color: inherit;
    text-decoration: none;
}

.sf-line-item__title a:hover {
    color: var(--sf-link-hover);
}

.sf-line-item__meta {
    margin-top: 0.125rem;
    font-size: 0.9rem;
    line-height: 1.35;
}

.sf-line-item__note {
    margin-top: 0.125rem;
}

.sf-line-item__note > p,
.sf-line-item__body > .sf-text-subtle {
    margin: 0;
}

.sf-line-item__body > .sf-discount-error {
    margin: 0.125rem 0 0;
}

.sf-line-item__body > .sf-form-row {
    margin-top: var(--sf-space-2);
}

.sf-thumb {
    flex-shrink: 0;
    width: 4rem;
    height: 4rem;
    border: 1px solid var(--sf-border-light);
    border-radius: var(--sf-radius);
    overflow: hidden;
    background: var(--sf-surface-muted);
}

.sf-thumb a {
    display: block;
    width: 100%;
    height: 100%;
    color: inherit;
    text-decoration: none;
}

.sf-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.sf-thumb__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 0.625rem;
    color: var(--sf-text-muted);
    text-align: center;
    padding: var(--sf-space-1);
}

.sf-totals-row {
    display: flex;
    justify-content: space-between;
    gap: var(--sf-space-3);
    margin-bottom: var(--sf-space-2);
}

.sf-totals-row--grand {
    margin-top: var(--sf-space-2);
    padding-top: var(--sf-space-2);
    border-top: 1px solid var(--sf-border);
    font-weight: 600;
    font-size: 1.1rem;
}

.sf-totals-grand {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--sf-space-2);
}

.sf-discount-block {
    margin-bottom: var(--sf-space-3);
    font-size: 0.95rem;
}

.sf-discount-item {
    margin-bottom: var(--sf-space-1);
    font-size: 0.9rem;
    color: var(--sf-text-muted);
}

.sf-discount-error {
    margin: 0 0 var(--sf-space-2);
    font-size: 0.85rem;
    color: var(--sf-error);
    line-height: 1.35;
}

.sf-product-grid {
    display: grid;
    gap: var(--sf-space-3);
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 36rem) {
    .sf-product-grid {
        grid-template-columns: repeat(auto-fill, minmax(min(100%, var(--sf-product-card-min)), 1fr));
    }
}

.sf-product-card {
    width: 100%;
    max-width: var(--sf-product-card-max);
    min-width: 0;
    justify-self: start;
}

.sf-product-card__media-link {
    display: block;
}

.sf-product-card__image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--sf-radius-sm);
}

.sf-product-card__variants {
    position: relative;
    width: 100%;
}

.sf-product-card__variant-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sf-space-1);
    width: 100%;
    align-items: start;
}

.sf-product-card__more {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translate(75%, -50%);
    z-index: 1;
}

.sf-product-card__title {
    font-size: 0.875rem;
    line-height: 1.35;
}

.sf-product-card__title a {
    color: inherit;
    text-decoration: none;
}

.sf-product-card__title a:hover {
    color: var(--sf-link-hover);
    text-decoration: underline;
}

.sf-product-card__price {
    font-size: 0.875rem;
    font-weight: 600;
}

.sf-product-card__form {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: var(--sf-space-3);
}

.sf-product-card__form .sf-btn {
    min-height: 2rem;
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
}

.sf-product-card .sf-text-subtle,
.sf-product-card .sf-text-muted {
    font-size: 0.8rem;
    margin: 0;
}

.sf-variant-picker {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sf-space-2);
}

.sf-variant-section {
    margin-bottom: var(--sf-space-4);
}

.sf-variant-section__label {
    margin: 0 0 var(--sf-space-2);
    font-size: 0.9rem;
    font-weight: 600;
}

.sf-variant-link {
    display: block;
    box-sizing: border-box;
    border: 2px solid var(--sf-border-light);
    border-radius: var(--sf-radius);
    text-decoration: none;
    overflow: hidden;
    width: 100%;
    height: auto;
    aspect-ratio: 1;
}

.sf-variant-link--sm {
    width: 3rem;
    height: 3rem;
    aspect-ratio: auto;
}

.sf-variant-link--md {
    width: 3.5rem;
    height: 3.5rem;
    aspect-ratio: auto;
}

.sf-variant-link--selected {
    border-color: var(--sf-accent);
}

.sf-variant-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.sf-product-gallery {
    max-width: 22.5rem;
    margin-bottom: 0;
}

.sf-product-detail {
    display: grid;
    grid-template-columns: 1fr minmax(260px, 360px);
    grid-template-areas:
        'media buy'
        'description buy';
    gap: var(--sf-space-6);
    align-items: start;
}

.sf-product-detail__media {
    grid-area: media;
    min-width: 0;
}

.sf-product-detail__media .sf-product-gallery {
    max-width: min(100%, 28rem);
}

.sf-product-detail__buy {
    grid-area: buy;
    display: flex;
    flex-direction: column;
    gap: var(--sf-space-3);
}

.sf-product-detail__buy .sf-variant-section {
    margin-bottom: 0;
}

.sf-product-detail__buy .sf-text-subtle,
.sf-product-detail__buy .sf-text-muted {
    margin: 0;
}

.sf-product-detail__price {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.sf-product-detail__description {
    grid-area: description;
    min-width: 0;
}

@media (max-width: 768px) {
    .sf-product-detail {
        grid-template-columns: 1fr;
        grid-template-areas:
            'media'
            'buy'
            'description';
    }
}

.sf-product-gallery__main {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--sf-radius);
    border: 1px solid var(--sf-border);
}

.sf-product-gallery__thumbs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sf-space-2);
    margin-top: var(--sf-space-2);
}

.sf-prose {
    line-height: 1.6;
    color: var(--sf-text);
}

.sf-prose img {
    border-radius: var(--sf-radius-sm);
}

.sf-prose p {
    margin: 0 0 var(--sf-space-3);
}

.sf-payment-status {
    margin: 0 0 var(--sf-space-3);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.45;
}

.sf-payment-status--confirmed {
    color: var(--sf-success);
}

.sf-payment-status--awaiting-confirmations {
    color: var(--sf-warning);
}

.sf-payment-status--expired {
    color: var(--sf-error);
}

.sf-payment-status--underpaid {
    color: var(--sf-warning);
}

.sf-payment-status--awaiting-payment {
    color: var(--sf-text-muted);
}

.sf-payment-amount {
    margin: 0 0 var(--sf-space-3);
    font-size: 1.35rem;
    font-weight: 600;
}

.sf-payment-detail {
    margin: 0 0 var(--sf-space-2);
    font-size: 0.95rem;
    color: var(--sf-text-muted);
    line-height: 1.45;
}

.sf-payment-detail:last-child {
    margin-bottom: var(--sf-space-4);
}

.sf-qr-wrap {
    text-align: center;
    margin-bottom: var(--sf-space-4);
}

.sf-tx-list {
    display: flex;
    flex-direction: column;
    gap: var(--sf-space-3);
}

.sf-tx-item {
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    padding: 0.625rem;
    font-size: 0.9rem;
}

.sf-tx-status {
    font-size: 0.85rem;
}

.sf-tx-status--confirmed {
    color: var(--sf-success);
}

.sf-tx-status--confirming {
    color: var(--sf-warning);
}

.sf-refresh-note {
    margin: var(--sf-space-4) 0 0;
    font-size: 0.85rem;
    color: var(--sf-text-muted);
    line-height: 1.45;
}

.sf-refresh-link {
    font-size: 0.9rem;
}

.sf-order-status {
    font-weight: 600;
    text-transform: capitalize;
}

.sf-order-status--fulfilled {
    color: var(--sf-success);
}

.sf-order-status--unfulfilled {
    color: var(--sf-warning);
}

.sf-order-status--unfulfillable {
    color: var(--sf-error);
}

.sf-order-main {
    display: flex;
    flex-direction: column;
    gap: var(--sf-space-8);
    min-width: 0;
}

.sf-data-retention-notice {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.45;
}

.sf-token-box {
    margin-bottom: var(--sf-space-5);
}

.sf-delivery-box {
    margin-top: var(--sf-space-3);
    padding: var(--sf-space-3);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    background: var(--sf-surface-muted);
}

.sf-delivery-list {
    display: flex;
    flex-direction: column;
    gap: var(--sf-space-3);
    counter-reset: sf-delivery;
}

.sf-delivery-item {
    counter-increment: sf-delivery;
    padding: var(--sf-space-3);
    border: 1px solid var(--sf-border-light);
    border-radius: var(--sf-radius);
    background: var(--sf-surface);
}

.sf-delivery-item::before {
    content: counter(sf-delivery) '.';
    display: block;
    margin-bottom: var(--sf-space-2);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--sf-text-muted);
}

.sf-delivery-item__content {
    margin: 0;
    font-size: 0.85rem;
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.45;
}

.sf-delivery-item .sf-attachment-list {
    margin-top: var(--sf-space-2);
    padding-top: var(--sf-space-2);
    border-top: 1px solid var(--sf-border-light);
}

.sf-attachment-list {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--sf-space-2) var(--sf-space-3);
}

.sf-chat-panel {
    width: 100%;
    min-width: 0;
}

.sf-chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--sf-space-3);
    margin-bottom: var(--sf-space-3);
}

.sf-chat-thread {
    display: flex;
    flex-direction: column-reverse;
    gap: var(--sf-space-4);
    max-height: 31.25rem;
    margin: 0 0 var(--sf-space-5);
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: var(--sf-space-1);
}

.sf-chat-message {
    display: flex;
    flex-direction: column;
    gap: var(--sf-space-2);
    max-width: 100%;
}

.sf-chat-message--buyer {
    align-self: flex-end;
    align-items: flex-end;
}

.sf-chat-message--staff {
    align-self: flex-start;
    align-items: flex-start;
}

.sf-chat-bubble {
    position: relative;
    border-radius: 0.875rem;
    padding: var(--sf-space-3);
    line-height: 1.45;
    border: 1px solid var(--sf-border);
    background: var(--sf-surface-muted);
}

.sf-chat-message--buyer .sf-chat-bubble {
    padding-right: 1.75rem;
    background: var(--sf-accent-subtle);
    border-color: var(--sf-accent-border);
}

.sf-chat-bubble p {
    margin: 0;
    white-space: pre-wrap;
}

.sf-chat-meta {
    margin-top: var(--sf-space-2);
    font-size: 0.8rem;
    color: var(--sf-text-muted);
}

.sf-chat-delete {
    position: absolute;
    top: 0.375rem;
    right: 0.375rem;
    margin: 0;
    padding: 0 0.25rem;
    border: none;
    background: transparent;
    color: var(--sf-error);
    font: inherit;
    font-size: 0.95rem;
    line-height: 1;
    cursor: pointer;
}

.sf-chat-delete:hover {
    color: var(--sf-error);
    opacity: 0.8;
}

.sf-chat-compose {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    border-top: 1px solid var(--sf-border);
    padding-top: var(--sf-space-4);
}

.sf-confirm-details {
    margin-top: var(--sf-space-4);
    font-size: 0.95rem;
}

.sf-confirm-details summary {
    cursor: pointer;
    color: var(--sf-text-muted);
}

.sf-confirm-details__body {
    margin-top: var(--sf-space-3);
    padding-top: var(--sf-space-3);
    border-top: 1px solid var(--sf-border);
    color: var(--sf-text-muted);
    line-height: 1.45;
}

.sf-confirm-details__body p {
    margin: 0 0 var(--sf-space-3);
}

.sf-confirm-details--warning .sf-btn {
    border-color: var(--sf-warning-border);
}

.sf-error-page {
    margin: var(--sf-space-6);
}

.sf-mt-4 {
    margin-top: var(--sf-space-4);
}

.sf-error-code {
    font-size: 2rem;
    margin: 0 0 var(--sf-space-2);
}