/* =============================================================
   app.css — 프론트엔드(cakeProjectSample) 디자인 시스템과 1:1 동일.
   구성: reset + variables + common + customer + admin + responsive
         (아래 6개 블록은 cakeProjectSample/css/*.css 원본과 동일)
   + 서버 전용 보조 클래스(프론트에 없는 기능: 플래시/폼검증/목업배너 등)
   ============================================================= */

/* ---------- reset.css ---------- */
*, *::before, *::after {
    box-sizing: border-box
}

.visually-hidden {
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    height: 1px;
    overflow: hidden;
    position: absolute;
    white-space: nowrap;
    width: 1px
}

html, body, h1, h2, h3, p, ul, ol, figure {
    margin: 0;
    padding: 0
}

ul, ol {
    list-style: none
}

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

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

button, a {
    touch-action: manipulation
}

table {
    border-spacing: 0
}

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

/* ---------- variables.css ---------- */
:root {
    --color-text: #1f2937;
    --color-muted: #6b7280;
    --color-border: #9ca3af;
    --color-border-light: #d1d5db;
    --color-background: #fff;
    --color-background-soft: #f3f4f6;
    --color-background-faint: #f9fafb;
    --color-dark: #1f2937;
    --color-danger: #dc2626;
    --color-danger-soft: #fef2f2;
    --color-success: #15803d;
    --color-success-soft: #f0fdf4;
    --color-warning: #a16207;
    --color-info: #1d4ed8;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --font-xs: 12px;
    --font-sm: 13px;
    --font-md: 16px;
    --font-lg: 20px;
    --radius-sm: 2px;
    --content-width: 1200px
}

/* ---------- common.css ---------- */
html {
    font-size: 16px
}

body {
    min-width: 320px;
    background: var(--color-background);
    color: var(--color-text);
    font-family: "Malgun Gothic", "Apple SD Gothic Neo", Arial, sans-serif;
    font-size: var(--font-sm);
    line-height: 1.5
}

h1 {
    font-size: var(--font-md);
    margin-bottom: var(--space-4)
}

h2.section-title {
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-muted);
    font-size: var(--font-xs);
    font-weight: 700;
    letter-spacing: .08em;
    margin-bottom: var(--space-2);
    padding-bottom: var(--space-1);
    text-transform: uppercase
}

.page-container {
    width: min(calc(100% - 40px), var(--content-width));
    margin: 0 auto;
    padding: var(--space-4) 0
}

.page-container--narrow {
    max-width: 640px
}

.page-container--form {
    max-width: 520px
}

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

.panel {
    border: 1px solid var(--color-border);
    padding: var(--space-3);
    background: #fff
}

.panel--soft {
    background: var(--color-background-faint)
}

.panel--danger {
    border-color: #fca5a5;
    background: var(--color-danger-soft)
}

.panel--success {
    border-color: #86efac;
    background: var(--color-success-soft)
}

.panel--dashed {
    border-style: dashed
}

.grid {
    display: grid;
    gap: var(--space-3)
}

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

.grid--3 {
    grid-template-columns:repeat(3, minmax(0, 1fr))
}

.grid--4 {
    grid-template-columns:repeat(4, minmax(0, 1fr))
}

.layout-sidebar {
    display: grid;
    grid-template-columns:176px minmax(0, 1fr);
    gap: var(--space-5)
}

.layout-main-aside {
    display: grid;
    grid-template-columns:minmax(0, 2fr) minmax(260px, 1fr);
    gap: var(--space-5)
}

.stack > * + * {
    margin-top: var(--space-2)
}

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

.cluster--between {
    justify-content: space-between
}

.text-muted, .note {
    color: var(--color-muted);
    font-size: var(--font-xs)
}

.note {
    font-style: italic
}

.required {
    color: var(--color-danger);
    margin-left: 2px
}

.divider {
    border: 0;
    border-top: 1px solid var(--color-border-light);
    margin: var(--space-3) 0
}

.btn {
    align-items: center;
    background: #fff;
    border: 1px solid #6b7280;
    border-radius: var(--radius-sm);
    color: #374151;
    cursor: pointer;
    display: inline-flex;
    font-size: var(--font-xs);
    gap: var(--space-1);
    justify-content: center;
    line-height: 1.2;
    min-height: 28px;
    padding: 6px 12px;
    white-space: nowrap
}

.btn:hover, .btn.is-active {
    background: #e5e7eb
}

.btn:focus-visible, .form-control:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 2px
}

.btn--primary {
    background: var(--color-dark);
    border-color: var(--color-dark);
    color: #fff
}

.btn--primary:hover, .btn--primary.is-active {
    background: #111827
}

.btn--danger {
    border-color: #f87171;
    color: var(--color-danger)
}

.btn--success {
    border-color: #22c55e;
    color: var(--color-success)
}

.btn--disabled, .btn:disabled {
    background: #f3f4f6;
    border-color: #d1d5db;
    color: #9ca3af;
    cursor: not-allowed
}

.btn--block {
    width: 100%
}

.page-heading {
    margin-bottom: var(--space-4)
}

.page-heading h1 {
    margin-bottom: 0
}

.badge {
    border: 1px solid var(--color-border);
    display: inline-block;
    font-size: var(--font-xs);
    line-height: 1.3;
    padding: 2px 8px;
    white-space: nowrap
}

.badge--success {
    border-color: #22c55e;
    color: var(--color-success)
}

.badge--warning {
    border-color: #eab308;
    color: var(--color-warning)
}

.badge--danger {
    border-color: #f87171;
    color: var(--color-danger)
}

.badge--info {
    border-color: #60a5fa;
    color: var(--color-info)
}

.form-group {
    margin-bottom: var(--space-3)
}

.form-label {
    color: #4b5563;
    display: block;
    font-size: var(--font-xs);
    font-weight: 600;
    margin-bottom: var(--space-1)
}

.form-control {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 0;
    display: block;
    font-size: var(--font-xs);
    min-height: 34px;
    padding: 7px 10px;
    width: 100%
}

.form-control::placeholder {
    color: #9ca3af
}

.birth-date-selects {
    display: grid;
    gap: var(--space-2);
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: var(--space-2)
}

.birth-date-selects .form-control {
    min-width: 0;
    width: 100%
}

.form-control--textarea {
    min-height: 74px;
    resize: vertical
}

.form-help, .form-success, .form-error {
    font-size: var(--font-xs);
    margin-top: 2px
}

.form-help {
    color: var(--color-muted)
}

.form-success {
    color: var(--color-info)
}

.form-error {
    color: var(--color-danger)
}

.error-box {
    background: var(--color-background-soft);
    border: 1px solid var(--color-border-light);
    color: var(--color-muted);
    font-size: var(--font-xs);
    margin-bottom: var(--space-3);
    padding: var(--space-2) var(--space-3)
}

.choice-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-4)
}

.choice {
    align-items: center;
    display: inline-flex;
    font-size: var(--font-xs);
    gap: 6px
}

.data-row {
    border-bottom: 1px solid #e5e7eb;
    display: grid;
    font-size: var(--font-xs);
    grid-template-columns:112px minmax(0, 1fr);
    padding: 6px 0
}

.data-row__label {
    color: var(--color-muted)
}

.table-wrap {
    overflow-x: auto
}

.data-table {
    border-collapse: collapse;
    font-size: var(--font-xs);
    width: 100%
}

.data-table th, .data-table td {
    border: 1px solid var(--color-border-light);
    padding: 7px 8px;
    text-align: left;
    vertical-align: middle;
    white-space: nowrap
}

.data-table th {
    background: var(--color-background-soft);
    font-weight: 600
}

.data-table tbody tr:hover {
    background: var(--color-background-faint)
}

.admin-product-table {
    min-width: 960px;
    table-layout: fixed
}

.admin-product-table__image-column {
    width: 200px
}

.admin-product-table th:first-child,
.admin-product-table td:first-child {
    text-align: center
}

.admin-product-table__type-column,
.admin-product-table__status-column {
    width: 90px
}

.admin-product-table__price-column,
.admin-product-table__date-column {
    width: 100px
}

.admin-product-table__stock-column {
    width: 80px
}

.admin-product-table__actions-column {
    width: 160px
}

.placeholder-image.admin-product-thumbnail {
    aspect-ratio: 1 / 1;
    height: auto;
    margin: 0 auto;
    min-width: 80px;
    object-fit: cover;
    text-align: center;
    white-space: normal;
    width: 80px
}

.option-disclosure, .option-group {
    padding: 0
}

.option-disclosure__summary, .option-group__summary {
    cursor: pointer;
    list-style: none
}

.option-disclosure__summary::-webkit-details-marker,
.option-group__summary::-webkit-details-marker {
    display: none
}

.option-disclosure__summary {
    align-items: center;
    display: flex;
    gap: var(--space-2);
    justify-content: space-between;
    padding: var(--space-3)
}

.option-disclosure__summary::after,
.option-group__summary::after {
    content: "⌄";
    flex: 0 0 auto;
    font-size: var(--font-md);
    line-height: 1;
    transition: transform .15s ease
}

.option-disclosure[open] > .option-disclosure__summary::after,
.option-group__details[open] > .option-group__summary::after {
    transform: rotate(180deg)
}

.option-disclosure__summary:focus-visible,
.option-group__summary:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: -2px
}

.option-disclosure__body, .option-group__body {
    border-top: 1px solid var(--color-border-light);
    padding: var(--space-3)
}

.option-disclosure--nested {
    border: 1px dashed var(--color-border);
    margin-top: var(--space-3)
}

.option-group {
    display: grid;
    grid-template-columns:40px minmax(0, 1fr)
}

.option-group__details {
    min-width: 0
}

.option-group__order-controls {
    align-items: center;
    border-right: 1px solid var(--color-border-light);
    display: flex;
    flex-direction: column;
    gap: 4px;
    justify-content: flex-start;
    padding: 8px 6px
}

.option-group__order-controls .btn {
    height: 28px;
    min-height: 28px;
    padding: 0;
    width: 28px
}

.option-group__summary {
    align-items: center;
    display: grid;
    gap: var(--space-3);
    grid-template-columns:minmax(180px, 1fr) auto auto;
    padding: var(--space-3)
}

.option-group__identity {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0
}

.option-group__identity strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

.option-group__options {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: var(--space-1)
}

.option-chip {
    background: var(--color-background-soft);
    border: 1px solid var(--color-border);
    color: #374151;
    display: inline-flex;
    font-size: var(--font-xs);
    line-height: 1.2;
    padding: 3px 7px
}

.option-chip--inactive {
    background: var(--color-background-faint);
    border-color: var(--color-border-light);
    color: var(--color-muted)
}

.option-group__meta {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: flex-end
}

.option-settings-title {
    margin-top: var(--space-5)
}

.placeholder-image {
    align-items: center;
    background: #e5e7eb;
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    display: flex;
    font-size: var(--font-xs);
    height: 112px;
    justify-content: center;
    min-width: 72px
}

.placeholder-image--sm {
    height: 64px;
    width: 84px
}

.placeholder-image--lg {
    height: 288px
}

.product-card {
    border: 1px solid var(--color-border);
    display: block
}

.placeholder-image.product-card__image {
    aspect-ratio: 1 / 1;
    height: auto;
    object-fit: cover;
    width: 100%
}

.product-card__body {
    padding: var(--space-2)
}

.product-card__name {
    font-size: var(--font-xs);
    font-weight: 600
}

.product-card__price {
    color: #4b5563;
    font-size: var(--font-xs);
    margin-top: 2px
}

.metric-card {
    border: 1px solid var(--color-border);
    padding: var(--space-3)
}

.metric-card__label {
    color: var(--color-muted);
    font-size: var(--font-xs)
}

.metric-card__value {
    font-size: var(--font-lg);
    font-weight: 700;
    margin-top: 2px
}

.placeholder-chart {
    align-items: center;
    background: var(--color-background-soft);
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    display: flex;
    font-size: var(--font-xs);
    height: 176px;
    justify-content: center;
    text-align: center
}

.status-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 2px
}

.status-step {
    border: 1px solid var(--color-border);
    color: #9ca3af;
    font-size: var(--font-xs);
    padding: 3px 8px
}

.status-step.is-complete {
    background: var(--color-dark);
    border-color: var(--color-dark);
    color: #fff
}

.include-error {
    background: var(--color-danger-soft);
    border: 1px solid #fca5a5;
    color: var(--color-danger);
    margin: 10px;
    padding: 10px
}

.modal[hidden] {
    display: none
}

.modal {
    align-items: center;
    background: rgba(17, 24, 39, .45);
    display: flex;
    inset: 0;
    justify-content: center;
    padding: 20px;
    position: fixed;
    z-index: 100
}

.modal__dialog {
    background: #fff;
    border: 1px solid var(--color-border);
    max-width: 440px;
    padding: 20px;
    width: 100%
}

.mockup-index {
    max-width: 980px
}

.screen-list {
    display: grid;
    grid-template-columns:repeat(2, minmax(0, 1fr));
    gap: 8px
}

.screen-list a {
    border: 1px solid var(--color-border-light);
    padding: 10px 12px
}

.screen-list a:hover {
    background: var(--color-background-soft)
}

/* ---------- customer.css ---------- */
.customer-header {
    background: var(--color-background-faint);
    border-bottom: 1px solid var(--color-border)
}

.customer-header__inner {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin: auto;
    max-width: var(--content-width);
    padding: 10px 20px
}

.customer-header__brand {
    align-items: center;
    display: inline-flex;
    gap: 8px;
    min-width: max-content
}

.customer-header__brand-mark {
    align-items: center;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    border-radius: 10px;
    display: inline-flex;
    font-size: 18px;
    height: 36px;
    justify-content: center;
    width: 36px
}

.customer-header__brand-copy {
    display: grid;
    line-height: 1.15
}

.customer-header__brand-copy strong {
    color: var(--color-dark);
    font-size: 15px;
    letter-spacing: -.02em
}

.customer-header__brand-copy small {
    color: var(--color-muted);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .12em;
    margin-top: 3px
}

.customer-header__brand:focus-visible {
    border-radius: 10px;
    outline: 2px solid #2563eb;
    outline-offset: 3px
}

.customer-header__left, .customer-header__nav, .customer-header__actions {
    align-items: center;
    display: flex;
    gap: 16px
}

.customer-header__nav a {
    font-size: var(--font-xs)
}

.customer-header__nav a:hover {
    text-decoration: underline
}

.customer-header__actions {
    gap: 6px
}

.customer-footer {
    background: var(--color-background-faint);
    border-top: 1px solid var(--color-border);
    color: #4b5563;
    font-size: var(--font-xs);
    margin-top: var(--space-6);
    padding: 16px 20px
}

.customer-footer__inner {
    margin: auto;
    max-width: var(--content-width)
}

.hero-placeholder {
    align-items: center;
    background: var(--color-background-soft);
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    display: flex;
    height: 144px;
    justify-content: center
}

.category-card {
    border: 1px solid var(--color-border);
    padding: 16px;
    text-align: center
}

.category-card__name {
    font-size: 14px;
    font-weight: 600
}

.category-card__desc {
    color: var(--color-muted);
    font-size: var(--font-xs);
    margin-top: 4px
}

.filter-panel {
    border: 1px solid var(--color-border);
    padding: var(--space-3)
}

.filter-options {
    align-items: flex-start;
    display: flex;
    flex-direction: column;
    gap: var(--space-2)
}

.terms-panel > .choice {
    display: flex
}

.product-gallery__thumbnails.grid--4 {
    grid-template-columns:repeat(4, minmax(0, 1fr));
    margin-top: var(--space-2)
}

.product-gallery__main {
    position: relative
}

.product-gallery__nav {
    align-items: center;
    background: rgba(255, 255, 255, .9);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    font-size: var(--font-lg);
    height: 40px;
    justify-content: center;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    z-index: 1
}

.product-gallery__nav:hover {
    background: #fff
}

.product-gallery__nav:focus-visible,
.product-gallery__thumbnail-button:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 2px
}

.product-gallery__nav--previous {
    left: var(--space-2)
}

.product-gallery__nav--next {
    right: var(--space-2)
}

.product-gallery__thumbnail-button {
    background: transparent;
    border: 2px solid transparent;
    cursor: pointer;
    padding: 0
}

.product-gallery__thumbnail-button.is-active {
    border-color: var(--color-dark)
}

.product-detail__actions {
    align-items: flex-start;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: space-between;
    margin-top: var(--space-3)
}

.product-gallery__thumbnails .placeholder-image {
    width: 100%
}

.placeholder-image.product-gallery__main-image,
.placeholder-image.product-gallery__thumbnail {
    aspect-ratio: 1 / 1;
    height: auto;
    object-fit: cover;
    width: 100%
}

.quantity-control {
    align-items: center;
    display: flex;
    gap: 12px
}

.quantity-control .btn {
    border-radius: 0;
    height: 40px;
    min-height: 40px;
    padding: 0;
    width: 44px
}

.quantity-control__value {
    align-items: center;
    background: #fff;
    display: flex;
    height: 40px;
    justify-content: center;
    padding: 0;
    width: 60px
}

.order-summary {
    border: 1px solid var(--color-border);
    padding: var(--space-4);
    position: sticky;
    top: 16px
}

.notification-item {
    border: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    padding: var(--space-3)
}

.notification-item.is-unread {
    background: var(--color-background-faint)
}

.notification-dot {
    background: var(--color-dark);
    border-radius: 50%;
    height: 7px;
    margin-top: 6px;
    width: 7px
}

.coupon-card {
    border: 1px solid var(--color-border);
    padding: var(--space-3)
}

.chat-room {
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: #fff;
    border: 1px solid var(--color-border);
    padding: 16px
}

.chat-room__header {
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border-light)
}

.chat-messages {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: 480px;
    overflow-y: auto;
    padding: 12px;
    background: var(--color-background-faint);
    border: 1px solid var(--color-border-light)
}

.chat-date-divider {
    text-align: center;
    margin: 8px 0;
    position: relative
}

.chat-date-divider span {
    background: #e5e7eb;
    color: var(--color-muted);
    font-size: var(--font-xs);
    padding: 2px 10px;
    border-radius: 10px
}

.chat-msg {
    display: flex;
    flex-direction: column;
    max-width: 75%
}

.chat-msg--system {
    align-self: center;
    max-width: 90%;
    margin: 4px 0
}

.chat-msg--system .chat-msg__content {
    background: #fff;
    border: 1px solid var(--color-border);
    padding: 10px 14px;
    font-size: var(--font-xs);
    color: var(--color-text);
    text-align: center;
    line-height: 1.4
}

.chat-msg--me {
    align-self: flex-end;
    flex-direction: row-reverse;
    align-items: flex-end;
    gap: 6px
}

.chat-msg--me .chat-msg__body {
    display: flex;
    flex-direction: column;
    align-items: flex-end
}

.chat-msg--me .chat-msg__content {
    background: var(--color-dark);
    color: #fff;
    border: 1px solid var(--color-dark);
    padding: 8px 12px;
    font-size: var(--font-sm);
    border-radius: 8px 0 8px 8px
}

.chat-msg--me .chat-msg__meta {
    text-align: right
}

.chat-msg--other {
    align-self: flex-start;
    flex-direction: column;
    align-items: flex-start
}

.chat-msg--other .chat-msg__sender {
    font-size: var(--font-xs);
    color: var(--color-muted);
    margin-bottom: 2px;
    font-weight: 600;
    text-align: left
}

.chat-msg--other__content-wrap {
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    gap: 6px
}

.chat-msg--other .chat-msg__body {
    display: flex;
    flex-direction: column;
    align-items: flex-start
}

.chat-msg--other .chat-msg__content {
    background: #fff;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    padding: 8px 12px;
    font-size: var(--font-sm);
    border-radius: 0 8px 8px 8px
}

.chat-msg__meta {
    display: flex;
    flex-direction: column;
    font-size: 11px;
    color: var(--color-muted);
    line-height: 1.2;
    margin-bottom: 2px;
    text-align: left
}

.chat-msg--other .chat-msg__meta {
    text-align: left
}

.chat-msg__read {
    font-weight: 600
}


.chat-input-area {
    border-top: 1px solid var(--color-border);
    padding-top: 12px
}

.chat-input-toolbar {
    margin-bottom: 8px
}

.chat-layout {
    display: grid;
    grid-template-columns:260px minmax(0, 1fr);
    gap: 16px;
    align-items: start
}

.chat-sidebar {
    position: sticky;
    top: 16px
}

.chat-order-item:hover {
    background: var(--color-background-soft)
}

.chat-input-row {
    display: flex;
    align-items: stretch;
    gap: 8px
}

.chat-input-row .form-control {
    flex: 1
}


.quantity-control {
    gap: 8px
}

.quantity-control .btn {
    height: 32px;
    min-height: 32px;
    width: 36px
}

.quantity-control__value {
    height: 32px;
    width: 48px
}

.price-range {
    align-items: stretch;
    display: grid;
    gap: 8px;
    grid-template-columns: minmax(0, 1fr)
}

.price-range .form-control {
    min-width: 0;
    width: 100%
}

.price-range > span {
    line-height: 1;
    text-align: center
}

.btn[hidden] {
    display: none
}

.cart-layout {
    display: grid;
    gap: var(--space-5);
    grid-template-columns:minmax(0, 2fr) minmax(260px, 1fr)
}

.cart-toolbar {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-2)
}

.cart-toolbar[hidden] {
    display: none
}

.cart-warning {
    margin-bottom: var(--space-3)
}

.cart-item {
    align-items: flex-start;
    display: grid;
    gap: var(--space-3);
    grid-template-columns:auto 84px minmax(0, 1fr)
}

.cart-item.is-disabled {
    opacity: .6
}

.cart-item__check {
    display: block;
    margin-top: 1px
}

.cart-item__image {
    min-width: 84px
}

.cart-item__body {
    min-width: 0
}

.cart-item__name {
    font-weight: 600
}

.cart-item__name:hover {
    text-decoration: underline
}

.cart-item__badges {
    gap: 4px;
    margin-top: 2px
}

.cart-item__body > .text-muted {
    margin-top: 4px
}

.cart-item__bottom {
    margin-top: var(--space-2)
}

.cart-item__price {
    margin-left: auto
}

.cart-item__error {
    margin-top: var(--space-2)
}

.cart-item__state-action {
    margin-top: var(--space-2)
}

.cart-options {
    background: var(--color-background-faint);
    border: 1px solid var(--color-border-light);
    color: var(--color-muted);
    font-size: var(--font-xs);
    margin-top: var(--space-2);
    padding: var(--space-2)
}

.cart-options strong {
    color: #4b5563;
    display: block;
    margin-bottom: 2px
}

.cart-options__price {
    color: #374151;
    font-weight: 600;
    margin-top: 2px
}

.cart-empty {
    padding: 40px;
    text-align: center
}

.cart-empty p {
    color: var(--color-muted);
    margin-bottom: var(--space-3)
}

.cart-continue {
    margin-top: var(--space-3)
}

.cart-summary .btn--block {
    margin-top: var(--space-3)
}

.cart-summary .note {
    display: block;
    margin-top: var(--space-2)
}

.cart-summary__total {
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-2);
    padding-top: var(--space-2)
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh
}

body > main {
    flex: 1 0 auto
}



/* ---------- admin.css ---------- */
.admin-layout {
    display: flex;
    min-height: 100vh
}

.admin-sidebar {
    background: var(--color-background-faint);
    border-right: 1px solid var(--color-border);
    flex: 0 0 160px
}

.admin-sidebar__brand {
    border-bottom: 1px solid var(--color-border);
    padding: 10px 12px
}

.admin-sidebar__eyebrow {
    color: var(--color-muted);
    font-size: var(--font-xs)
}

.admin-sidebar__title {
    font-size: 14px;
    font-weight: 700
}

.admin-sidebar__nav {
    padding: 6px
}

.admin-sidebar__section {
    color: var(--color-muted);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
    margin: 14px 8px 4px;
    text-transform: uppercase
}

.admin-sidebar__link {
    display: block;
    font-size: var(--font-xs);
    padding: 7px 8px
}

.admin-sidebar__link:hover, .admin-sidebar__link.is-current {
    background: var(--color-dark);
    color: #fff
}

.admin-main {
    min-width: 0;
    flex: 1
}

.admin-header {
    align-items: center;
    background: var(--color-background-faint);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    min-height: 48px;
    padding: 8px 16px
}

.admin-header__title {
    font-size: 14px;
    font-weight: 700
}

.admin-content {
    padding: 20px
}

.admin-page-title {
    font-size: var(--font-md);
    font-weight: 700;
    margin-bottom: var(--space-4)
}

.admin-toolbar {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4)
}

.admin-toolbar .form-control {
    width: auto;
    min-width: 130px
}

.admin-action-panel {
    border: 1px solid var(--color-border);
    padding: var(--space-3)
}

.admin-sidebar-slot {
    display: flex;
    flex: 0 0 160px
}

.admin-sidebar-slot .admin-sidebar {
    flex: 1 1 auto
}

.admin-chat-layout {
    display: grid;
    grid-template-columns:260px minmax(0, 1fr) 260px;
    gap: 16px;
    align-items: start
}

.admin-chat-room-item:hover, .admin-chat-room-item.is-selected {
    background: var(--color-background-soft);
    border-color: var(--color-dark)
}


.order-history-card {
    display: block;
    min-width: 0;
    overflow: hidden
}

.order-history-card__header {
    align-items: center;
    display: flex;
    gap: var(--space-2);
    justify-content: space-between;
    min-width: 0
}

.order-history-card__header .badge {
    flex: 0 0 auto
}

.order-history-card__number {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

.order-history-card__product {
    display: block;
    margin-top: var(--space-2);
    overflow-wrap: anywhere
}

.order-history-card__date {
    margin-top: var(--space-1)
}

.order-history-detail {
    grid-column: span 2;
    min-width: 0
}

.order-history-detail__title {
    overflow-wrap: anywhere
}


/* ---------- responsive.css ---------- */
@media (max-width: 1199px) {
    .grid--4 {
        grid-template-columns:repeat(2, minmax(0, 1fr))
    }

    .customer-header__inner {
        align-items: flex-start;
        gap: 10px
    }

    .customer-header__left {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px
    }

    .customer-header__nav {
        flex-wrap: wrap
    }

    .grid--3.stats-grid {
        grid-template-columns:repeat(2, minmax(0, 1fr))
    }
}

@media (max-width: 767px) {
    .page-container {
        width: min(calc(100% - 24px), var(--content-width));
        padding: 12px 0
    }

    .grid--2, .grid--3, .grid--4, .layout-sidebar, .layout-main-aside, .cart-layout, .chat-layout {
        grid-template-columns:1fr
    }

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

    .customer-header__inner {
        flex-direction: column;
        padding: 10px 12px
    }

    .customer-header__left, .customer-header__actions {
        width: 100%
    }

    .customer-header__nav {
        gap: 8px 14px
    }

    .customer-header__actions {
        justify-content: flex-end;
        overflow-x: auto
    }

    .filter-panel {
        margin-bottom: 12px
    }

    .order-summary {
        position: static
    }

    .order-history-detail {
        grid-column: auto
    }

    .cart-toolbar {
        align-items: flex-start;
        gap: 8px
    }

    .cart-item {
        grid-template-columns:auto 72px minmax(0, 1fr)
    }

    .cart-item__image {
        min-width: 72px;
        width: 72px
    }

    .admin-layout {
        display: block
    }

    .admin-sidebar {
        border-bottom: 1px solid var(--color-border);
        border-right: 0;
        width: 100%
    }

    .admin-sidebar__nav {
        display: flex;
        overflow-x: auto;
        white-space: nowrap
    }

    .admin-sidebar__link {
        flex: 0 0 auto
    }

    .admin-content {
        padding: 12px
    }

    .admin-header {
        align-items: flex-start;
        gap: 8px
    }

    .data-row {
        grid-template-columns:96px minmax(0, 1fr)
    }

    .option-disclosure__summary {
        align-items: flex-start;
        flex-direction: column
    }

    .option-disclosure__summary::after {
        position: absolute;
        right: var(--space-3)
    }

    .option-disclosure, .option-group {
        position: relative
    }

    .option-group__summary {
        align-items: flex-start;
        grid-template-columns:minmax(0, 1fr) auto
    }

    .option-group__meta {
        grid-column:1 / -1;
        justify-content: flex-start
    }

    .screen-list {
        grid-template-columns:1fr
    }
}

/* =============================================================
   서버 전용 보조 클래스 — 프론트 디자인 시스템에 없는 기능만 담고,
   공통 토큰만 사용해 동일한 룩앤필을 유지한다. (공통 클래스는 재정의하지 않음)
   ============================================================= */

/* 목업 안내 배너 */
.mock-notice {
    background: #fffbeb;
    border: 1px solid #fbbf24;
    color: #92400e;
    font-size: var(--font-xs);
    margin-bottom: var(--space-4);
    padding: 10px 12px
}

/* 서버 플래시 / 검증 메시지 */
.flash-stack > * + * {
    margin-top: var(--space-2)
}

.alert {
    border: 1px solid var(--color-border-light);
    border-radius: 6px;
    font-size: var(--font-xs);
    line-height: 1.5;
    margin-bottom: var(--space-4);
    padding: var(--space-3) var(--space-4)
}

.alert ul {
    margin: 6px 0 0;
    padding-left: 18px
}

.alert--success {
    background: var(--color-success-soft);
    border-color: #86efac;
    color: var(--color-success)
}

.alert--error {
    background: var(--color-danger-soft);
    border-color: #fca5a5;
    color: var(--color-danger)
}

.field-error {
    color: var(--color-danger);
    font-size: var(--font-xs);
    margin-top: 2px
}

.field-error:empty {
    display: none
}

/* 서버 폼: 프론트는 label 에 .form-label 클래스를 쓰지만, 서버 폼은 기본 <label>/<legend>
   태그를 쓰므로 동일한 형태로 스타일링한다. */
.form-group > label, .form-group > legend, .form-fieldset > legend {
    color: #4b5563;
    display: block;
    font-size: var(--font-xs);
    font-weight: 600;
    margin-bottom: var(--space-1)
}

.form-stack {
    display: grid;
    gap: var(--space-3)
}

.form-stack > .form-group {
    margin-bottom: 0
}

.form-fieldset {
    border: 0;
    margin: 0;
    min-width: 0;
    padding: 0
}

/* 관리자 지표 카드: 프론트는 __label/__value, 서버는 <p>/<strong> 을 쓰므로 동일하게 보이도록 처리 */
.metric-card > p {
    color: var(--color-muted);
    font-size: var(--font-xs)
}

.metric-card > strong {
    display: block;
    font-size: var(--font-lg);
    font-weight: 700;
    margin-top: 2px
}

/* 관리자 콘텐츠 헤더(제목+액션) / 목록 필터 폼 (프론트 .admin-toolbar 와 동일 룩) */
.admin-content__header {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: space-between;
    margin-bottom: var(--space-4)
}

.admin-content__header h1 {
    margin-bottom: 0
}

.filter-form {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2)
}

.filter-form .form-control {
    min-width: 130px;
    width: auto
}

.section-action {
    margin-top: var(--space-2)
}

/* 통계 차트 자리표시자 (프론트 .placeholder-chart 와 동일) */
.chart-placeholder {
    align-items: center;
    background: var(--color-background-soft);
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    display: flex;
    font-size: var(--font-xs);
    height: 176px;
    justify-content: center;
    text-align: center
}

/* 관리자 폼 래퍼: 폼 가독성을 위해 너비 제한 (프론트는 인라인 style 사용) */
.admin-form {
    max-width: 720px
}

/* 관리자 결제 내역: 조회 화면과 향후 취소·환불 관리 화면을 분리할 수 있는 목록 레이아웃 */
.payment-admin-header {
    align-items: flex-end
}

.admin-page-eyebrow,
.payment-admin-eyebrow {
    color: var(--color-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .12em;
    margin-bottom: 4px
}

.payment-metrics {
    margin-bottom: var(--space-4)
}

.payment-metrics .metric-card {
    background: #fff;
    border-top: 3px solid var(--color-dark)
}

.payment-metrics .payment-metric--done {
    border-top-color: #15803d
}

.payment-metrics .payment-metric--canceled {
    border-top-color: #2563eb
}

.payment-metrics .payment-metric--attention {
    border-top-color: #dc2626
}

.payment-history-panel {
    background: #fff;
    border: 1px solid var(--color-border)
}

.payment-history-toolbar {
    align-items: flex-end;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    justify-content: space-between;
    padding: var(--space-4)
}

.payment-history-toolbar .section-title {
    margin-bottom: 2px
}

.payment-history-table {
    border-left: 0;
    border-right: 0;
    border-bottom: 0
}

.payment-history-table td {
    vertical-align: middle
}

.payment-row-actions {
    display: grid;
    gap: var(--space-2)
}

.payment-expiration-check {
    align-items: center;
    cursor: pointer;
    display: inline-flex;
    font-size: var(--font-xs);
    font-weight: 700;
    gap: 6px;
    white-space: nowrap
}

.payment-reference {
    color: var(--color-muted);
    display: block;
    font-size: 11px;
    margin-top: 3px;
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

.payment-amount {
    font-weight: 700;
    white-space: nowrap
}

.payment-history-empty {
    padding: 44px 20px !important;
    text-align: center
}

.payment-history-empty strong,
.payment-history-empty span {
    display: block
}

.payment-history-empty span {
    color: var(--color-muted);
    font-size: var(--font-xs);
    margin-top: 4px
}

@media (max-width: 900px) {
    .payment-metrics.grid--4 {
        grid-template-columns: repeat(2, minmax(0, 1fr))
    }

    .payment-history-toolbar {
        align-items: stretch;
        flex-direction: column
    }

    .payment-history-toolbar .filter-form {
        width: 100%
    }

    .payment-history-toolbar .form-control {
        flex: 1
    }
}

@media (max-width: 560px) {
    .payment-metrics.grid--4 {
        grid-template-columns: 1fr
    }
}

.product-image-card {
    display: grid;
    gap: var(--space-3);
    grid-template-rows: auto auto auto
}

.product-create-image-placeholder {
    min-height: 112px;
    width: 100%
}

.product-create-image-placeholder[hidden] {
    display: none
}

.product-create-image-button {
    justify-self: start;
    width: fit-content
}

.product-image-preview {
    aspect-ratio: 1 / 1;
    display: block;
    overflow: hidden
}

.product-image-preview img {
    display: block;
    height: 100%;
    object-fit: cover;
    width: 100%
}

.product-image-badge {
    justify-self: start;
    width: fit-content
}

.product-image-badge--placeholder {
    visibility: hidden
}

.product-image-actions {
    display: flex;
    gap: var(--space-2);
    justify-content: flex-end
}

/* 사이드바 브랜드: 서버는 링크(<a>)+<span> 구조라 세로 정렬을 보장한다. */
.admin-sidebar__brand {
    display: block
}

.admin-sidebar__eyebrow, .admin-sidebar__title {
    display: block
}

/* 빈 목록 상태 / 로그인 카드 / 기타 */
.empty-state {
    background: var(--color-background-faint);
    color: var(--color-muted);
    font-size: var(--font-xs);
    padding: 16px;
    text-align: center
}

.auth-card {
    margin: 0 auto
}

.eyebrow {
    color: var(--color-muted);
    font-size: 10px;
    letter-spacing: .15em
}

.customer-footer__copyright {
    margin-top: var(--space-2)
}

/* 통합 주문서의 서버 제공 픽업 시간 선택 */
.pickup-choice {
    border: 0;
    margin: 0;
    min-width: 0;
    padding: 0
}

[data-pickup-date] {
    max-width: 320px
}

.pickup-choice__times {
    margin-top: var(--space-2)
}

.pickup-choice__label {
    width: 100%
}

.pickup-choice__input:checked + .pickup-choice__label {
    background: var(--color-dark);
    border-color: var(--color-dark);
    color: #fff
}

.pickup-choice__input:focus-visible + .pickup-choice__label {
    outline: 2px solid #2563eb;
    outline-offset: 2px
}

/* 관리자 제작·픽업 주문별 접이식 목록 */
.fulfillment-list {
    display: grid;
    gap: var(--space-3)
}

.order-workspace__header {
    margin-bottom: var(--space-3)
}

.order-workspace__stages {
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    overflow-x: auto
}

.order-workspace__stage {
    color: var(--color-muted);
    font-size: var(--font-sm);
    font-weight: 700;
    padding: 0 var(--space-2) var(--space-3);
    text-decoration: none;
    white-space: nowrap
}

.order-workspace__stage:hover,
.order-workspace__stage.is-current {
    box-shadow: inset 0 -2px 0 var(--color-dark);
    color: var(--color-dark)
}

.order-workspace__scope-note {
    margin: calc(var(--space-4) * -1) 0 var(--space-4)
}

.fulfillment-pagination {
    justify-content: center;
    margin-top: var(--space-4)
}

.fulfillment-order {
    background: var(--color-background);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm)
}

.fulfillment-order__summary {
    align-items: center;
    cursor: pointer;
    display: grid;
    gap: var(--space-4);
    grid-template-columns: minmax(0, 1fr) auto 24px;
    list-style: none;
    padding: var(--space-4)
}

.fulfillment-order__summary::-webkit-details-marker {
    display: none
}

.fulfillment-order__summary::after {
    content: "+";
    font-size: var(--font-lg);
    text-align: center
}

.fulfillment-order[open] > .fulfillment-order__summary::after {
    content: "−"
}

.fulfillment-order__summary:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 2px
}

.fulfillment-order__identity {
    display: flex;
    flex-direction: column;
    min-width: 0
}

.fulfillment-order__meta, .fulfillment-order__actions {
    align-items: center;
    display: flex;
    gap: var(--space-3)
}

.fulfillment-order__body {
    border-top: 1px solid var(--color-border-light);
    display: grid;
    gap: var(--space-4);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: var(--space-4)
}

.fulfillment-order__item + .fulfillment-order__item {
    margin-top: var(--space-2)
}

.fulfillment-order__actions {
    grid-column: 1 / -1;
    justify-content: flex-end
}

@media (max-width: 720px) {
    .fulfillment-order__summary {
        align-items: start;
        grid-template-columns: minmax(0, 1fr) 24px
    }

    .fulfillment-order__meta {
        flex-wrap: wrap;
        grid-column: 1 / -1;
        grid-row: 2
    }

    .fulfillment-order__summary::after {
        grid-column: 2;
        grid-row: 1
    }

    .fulfillment-order__body {
        grid-template-columns: 1fr
    }
}

/* ---------- 공통 버튼 시각 정돈 ---------- */
.btn {
    border-radius: 6px;
    font-weight: 600;
    min-height: 34px;
    padding: 7px 14px;
    transition: background-color .15s ease, border-color .15s ease,
                box-shadow .15s ease, transform .15s ease
}

.btn:hover:not(:disabled):not(.btn--disabled) {
    border-color: #4b5563;
    box-shadow: 0 1px 3px rgba(31, 41, 55, .14)
}

.btn:active:not(:disabled):not(.btn--disabled) {
    box-shadow: none;
    transform: translateY(1px)
}

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

.btn--danger:hover:not(:disabled),
.btn--danger.is-active {
    background: var(--color-danger-soft);
    border-color: var(--color-danger)
}

.btn--success:hover:not(:disabled),
.btn--success.is-active {
    background: var(--color-success-soft);
    border-color: var(--color-success)
}

.btn--sm {
    min-height: 30px;
    padding: 5px 10px
}

.btn--xs {
    min-height: 26px;
    padding: 3px 8px
}

.btn--disabled,
.btn:disabled {
    box-shadow: none;
    opacity: .72;
    pointer-events: none
}

@media (prefers-reduced-motion: reduce) {
    .btn {
        transition: none
    }
}

/* ---------- 소셜 로그인 ---------- */
.oauth-login-actions {
    display: grid;
    gap: 8px;
    margin-top: var(--space-3);
    width: 100%
}

.oauth-login-button {
    align-items: center;
    border-radius: 4px;
    display: flex;
    font-size: 14px;
    font-weight: 600;
    height: 45px;
    justify-content: center;
    overflow: hidden;
    transition: box-shadow .15s ease, transform .15s ease
}

.auth-login-submit {
    height: 45px
}

.oauth-login-button--google {
    background: #fff;
    border: 1px solid #747775;
    color: #1f1f1f;
    width: 100%
}

.oauth-login-button__content {
    align-items: center;
    display: inline-flex;
    gap: 10px;
    justify-content: center
}

.oauth-login-button__icon {
    display: block;
    flex: 0 0 24px;
    height: 24px;
    overflow: hidden;
    width: 24px
}

.oauth-login-button__icon--google img {
    display: block;
    height: 40px;
    margin: -8px;
    max-width: none;
    width: 40px
}

.oauth-login-button--kakao {
    background: #fee500;
    color: rgba(0, 0, 0, .85);
    width: 100%
}

.oauth-login-button__icon--kakao img {
    height: 45px;
    max-width: none;
    transform: translate(-11px, -10px);
    width: 183px
}

.oauth-login-button:hover {
    box-shadow: 0 2px 6px rgba(31, 41, 55, .18)
}

.oauth-login-button:active {
    transform: translateY(1px)
}

.oauth-login-button:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 3px
}

@media (prefers-reduced-motion: reduce) {
    .oauth-login-button {
        transition: none
    }
}

/* ---------- 장바구니 수량 조절기 ---------- */
.cart-item [data-cart-quantity-form] {
    align-items: center;
    display: inline-grid;
    gap: 6px;
    grid-template-columns: 34px 56px 34px
}

.cart-item [data-cart-quantity-form] .btn {
    font-size: 14px;
    height: 34px;
    min-height: 34px;
    padding: 0;
    width: 34px
}

.cart-item [data-cart-quantity-form] .form-control {
    font-size: 13px;
    font-weight: 600;
    height: 34px;
    min-height: 34px;
    padding: 0 4px;
    text-align: center;
    width: 56px
}

.cart-item [data-cart-quantity-form] input[type="number"] {
    -moz-appearance: textfield
}

.cart-item [data-cart-quantity-form] input[type="number"]::-webkit-inner-spin-button,
.cart-item [data-cart-quantity-form] input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0
}

/* ---------- Toast Notification Styles ---------- */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
    max-width: calc(100vw - 40px);
}

.toast-item {
    pointer-events: auto;
    min-width: 280px;
    width: max-content;
    max-width: min(450px, calc(100vw - 40px));
    box-sizing: border-box;
    background: #ffffff;
    border-left: 4px solid var(--color-info, #1d4ed8);
    border-top: 1px solid var(--color-border, #e5e7eb);
    border-right: 1px solid var(--color-border, #e5e7eb);
    border-bottom: 1px solid var(--color-border, #e5e7eb);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    padding: 14px 18px;
    cursor: pointer;
    animation: toastSlideIn 0.3s ease forwards;
    transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.2s ease;
}

.toast-item:hover {
    box-shadow: 0 14px 28px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.08);
}

.toast-item--out {
    opacity: 0;
    transform: translateX(100%);
}

.toast-title {
    font-weight: 700;
    font-size: 13.5px;
    color: var(--color-dark, #1f2937);
    margin-bottom: 4px;
    line-height: 1.3;
}

.toast-content {
    font-size: 12.5px;
    color: var(--color-muted, #4b5563);
    line-height: 1.45;
    word-break: break-word;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 480px) {
    .toast-container {
        top: 12px;
        right: 12px;
        left: 12px;
        max-width: calc(100vw - 24px);
    }
    .toast-item {
        min-width: 0;
        width: 100%;
        max-width: 100%;
        padding: 12px 14px;
    }
}