/* =============================================================================
 * AltaPos Admin (/admin) — 공통 스타일
 * 원칙: 슬림·컴팩트 / 1024×768 POS 작동 / 모바일 반응형 / 일관 layout
 * 임의 margin/padding 금지 — 아래 spacing 토큰만 사용
 * =========================================================================== */

:root {
	/* spacing tokens — 4의 배수로 통일 */
	--space-xs: 4px;
	--space-sm: 8px;
	--space-md: 12px;
	--space-lg: 16px;
	--space-xl: 24px;

	/* layout sizes */
	--header-h: 48px;
	--sidebar-w: 204px;
	--sidebar-w-collapsed: 72px;

	/* color palette - AltaPos 브랜드 */
	--brand: #2e86d8;
	--brand-dark: #1f6dba;
	--brand-soft: rgba(46, 134, 216, 0.1);
	--accent: #a2c74b;
	--text: #1f2937;
	--text-muted: #6b7280;
	--bg: #f5f7fa;
	--surface: #ffffff;
	--border: #eef0f3;
	--border-strong: #d8dde4;
	--danger: #e35d5d;
	--shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
	--shadow-md: 0 2px 8px rgba(15, 23, 42, 0.06);
	--radius: 8px;

	/* typography */
	--font-sm: 12px;
	--font-base: 13px;
	--font-md: 14px;
	--font-lg: 16px;
}

/* reset & base */
* { box-sizing: border-box; }
html, body {
	margin: 0;
	padding: 0;
	height: 100%;
	overflow-x: hidden;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	font-size: var(--font-base);
	color: var(--text);
	background: var(--bg);
}
a { color: var(--brand-dark); text-decoration: none; }
a:hover { color: var(--brand); }

/* =============================================================================
 * Layout shell
 * =========================================================================== */
.alta-shell {
	display: grid;
	grid-template-columns: var(--sidebar-w) 1fr;
	grid-template-rows: var(--header-h) 1fr;
	grid-template-areas:
		"header  header"
		"sidebar main";
	min-height: 100vh;
	max-width: 100vw;
	overflow-x: hidden;
}
.alta-header { grid-area: header; }
.alta-sidebar { grid-area: sidebar; }
.alta-main { grid-area: main; overflow: auto; }
.alta-shell,
.alta-main {
	min-width: 0;
}
/* =============================================================================
 * Header
 * =========================================================================== */
.alta-header {
	display: flex;
	align-items: center;
	gap: var(--space-sm);
	padding: 0 18px;
	background:
		linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 251, 253, 0.94)),
		linear-gradient(90deg, rgba(46, 134, 216, 0.08), rgba(24, 145, 116, 0.08));
	border-bottom: 1px solid var(--border);
	height: var(--header-h);
	position: sticky;
	top: 0;
	z-index: 50;
	backdrop-filter: blur(10px);
	box-shadow: 0 8px 24px rgba(16, 24, 39, 0.07);
	isolation: isolate;
}
.alta-header::before {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	height: 3px;
	background: linear-gradient(90deg, #2e86d8 0%, #189174 52%, #9cc648 100%);
	pointer-events: none;
	z-index: -1;
}
.alta-header__logo {
	display: inline-flex;
	align-items: center;
	height: 100%;
	text-decoration: none;
	padding-right: var(--space-sm);
}
.alta-header__logo-mark {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	height: 36px;
	padding: 0 9px;
	border: 1px solid rgba(185, 198, 212, 0.78);
	border-radius: 9px;
	background: rgba(255, 255, 255, 0.86);
	box-shadow: 0 8px 20px rgba(16, 24, 39, 0.08);
}
.alta-header__logo img {
	display: block;
	height: 30px;
	width: auto;
}
.alta-header__shop {
	display: flex;
	align-items: center;
	gap: 5px;
	padding: 4px;
	background: rgba(255, 255, 255, 0.76);
	border: 1px solid rgba(185, 198, 212, 0.82);
	border-radius: 10px;
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8), 0 8px 22px rgba(16, 24, 39, 0.06);
}
.alta-header__shop-label {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	height: 26px;
	padding: 0 10px;
	border-radius: 7px;
	background: linear-gradient(135deg, #123a55, #116e63);
	font-size: var(--font-sm);
	font-weight: 750;
	color: #fff;
	margin: 0;
	box-shadow: 0 4px 12px rgba(18, 58, 85, 0.16);
}
.alta-header__select-wrap {
	position: relative;
	display: inline-flex;
	align-items: center;
}
.alta-header__select-wrap > i {
	position: absolute;
	left: 9px;
	top: 50%;
	transform: translateY(-50%);
	color: #5f7085;
	font-size: 12px;
	pointer-events: none;
	z-index: 1;
}
.alta-header__select-wrap::after {
	content: "\f107";
	position: absolute;
	right: 9px;
	top: 50%;
	transform: translateY(-50%);
	font-family: FontAwesome;
	font-size: 13px;
	color: #617286;
	pointer-events: none;
}
.alta-header__shop select {
	height: 28px;
	font-size: var(--font-sm);
	padding: 0 28px 0 29px;
	border: 1px solid transparent;
	border-radius: 7px;
	background: rgba(255, 255, 255, 0.96);
	min-width: 120px;
	color: var(--text);
	box-shadow: inset 0 0 0 1px rgba(210, 219, 229, 0.65);
	appearance: none;
	-webkit-appearance: none;
}
.alta-header__shop select:focus {
	outline: none;
	border-color: var(--brand);
	box-shadow: 0 0 0 2px rgba(46, 134, 216, 0.12);
}
.alta-header__spacer { flex: 1; }
.alta-header__user {
	display: flex;
	align-items: center;
	gap: 7px;
	font-size: var(--font-sm);
	color: var(--text-muted);
	padding: 3px;
	border: 1px solid rgba(185, 198, 212, 0.78);
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.78);
	box-shadow: 0 8px 22px rgba(16, 24, 39, 0.06);
}
.alta-header__avatar {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 28px;
	height: 28px;
	border-radius: 50%;
	background: linear-gradient(135deg, #2e86d8, #189174);
	color: #fff;
	font-size: 13px;
}
.alta-header__user-meta {
	display: inline-flex;
	align-items: center;
	gap: var(--space-sm);
}
.alta-header__user-id {
	display: inline-flex;
	align-items: center;
	height: 26px;
	color: var(--text);
	font-weight: 750;
}
.alta-header__last-login { white-space: nowrap; }
.alta-header__btn {
	height: 28px;
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 0 12px;
	font-size: var(--font-sm);
	font-weight: 700;
	border: 1px solid rgba(46, 134, 216, 0.2);
	background: #fff;
	border-radius: 999px;
	cursor: pointer;
	color: var(--text);
}
.alta-header__btn:hover {
	border-color: var(--brand);
	color: var(--brand);
	box-shadow: 0 4px 12px rgba(46, 134, 216, 0.14);
}

/* hamburger - 좁은 화면에서만 노출 */
.alta-header__menu-toggle {
	display: none;
	width: 32px;
	height: 32px;
	border: 1px solid var(--border);
	border-radius: 8px;
	background: rgba(255, 255, 255, 0.92);
	font-size: 15px;
	cursor: pointer;
	color: var(--text);
	box-shadow: 0 4px 12px rgba(16, 24, 39, 0.08);
}

/* =============================================================================
 * Sidebar
 * =========================================================================== */
.alta-sidebar {
	background: #101827;
	color: #d9e1ea;
	overflow-y: auto;
	border-right: 1px solid #1d2a3b;
}
.alta-sidebar__title {
	height: 40px;
	display: flex;
	align-items: center;
	padding: 0 var(--space-md);
	font-size: 10px;
	font-weight: 700;
	color: #7f8ea3;
	text-transform: uppercase;
	letter-spacing: 1px;
	border-bottom: 1px solid #1d2a3b;
}
.alta-nav { list-style: none; padding: 0; margin: 0; }
.alta-nav__group { border-bottom: 1px solid #1d2a3b; }
.alta-nav__group-title {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-sm);
	min-height: 38px;
	padding: 0 var(--space-md);
	cursor: pointer;
	font-size: var(--font-sm);
	font-weight: 650;
	color: #f1f5f9;
	user-select: none;
}
.alta-nav__group-main {
	display: flex;
	align-items: center;
	gap: var(--space-sm);
	min-width: 0;
}
.alta-nav__group-main > .fa {
	width: 16px;
	text-align: center;
	color: #8fb6dc;
}
.alta-nav__text {
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}
.alta-nav__short { display: none; }
.alta-nav__group-title:hover { background: #192538; }
.alta-nav__group-title .fa-chevron { transition: transform 0.15s; font-size: 10px; }
.alta-nav__group.is-collapsed .alta-nav__group-title .fa-chevron { transform: rotate(-90deg); }
.alta-nav__items {
	list-style: none;
	margin: 0;
	padding: 4px 6px 8px;
	background: #0d1421;
}
.alta-nav__group.is-collapsed .alta-nav__items { display: none; }
.alta-nav__item a {
	display: flex;
	align-items: center;
	min-height: 32px;
	padding: 0 var(--space-sm) 0 34px;
	font-size: var(--font-sm);
	color: #cbd5e1;
	border-radius: 6px;
	cursor: pointer;
	position: relative;
}
.alta-nav__item a:hover { background: #1b2940; color: #fff; }
.alta-nav__item.is-active a {
	background: var(--brand);
	color: #fff;
	box-shadow: inset 3px 0 0 var(--accent);
	font-weight: 650;
}

/* =============================================================================
 * Main / page content
 * =========================================================================== */
.alta-main {
	padding: var(--space-md);
}
.alta-page__title {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding-bottom: var(--space-sm);
	margin-bottom: var(--space-md);
	border-bottom: 1px solid var(--border);
}
.alta-page__title h1 {
	margin: 0;
	font-size: var(--font-lg);
	font-weight: 600;
}

/* Page-level sub-tab nav — Master Data 그룹 같은 sidemenu 항목의 하위 분류용.
   /admin/inc/tabs_*.jsp partial이 이 컴포넌트로 마크업 생성.
   .alta-workbench-title 안에 inline으로 배치하는 것을 기본 위치로 가정 — 컴팩트. */
.alta-page-tabs {
	display: inline-flex;
	flex-wrap: wrap;
	gap: 2px;
	margin: 0;
	padding: 2px;
	border: 1px solid var(--border);
	border-radius: 6px;
	background: #f6f8fa;
	max-width: 100%;
}
.alta-page-tabs a {
	display: inline-flex;
	align-items: center;
	height: 22px;
	padding: 0 var(--space-sm);
	border-radius: 4px;
	font-size: 12px;
	font-weight: 600;
	color: var(--text-muted);
	text-decoration: none;
	white-space: nowrap;
}
.alta-page-tabs a:hover {
	color: var(--brand-dark);
}
.alta-page-tabs a.is-active {
	background: var(--brand-soft);
	color: var(--brand-dark);
	box-shadow: inset 0 -2px 0 var(--brand);
}

/* card */
.alta-card {
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: var(--space-md);
	box-shadow: var(--shadow-sm);
}
.alta-card + .alta-card { margin-top: var(--space-md); }
.alta-card--dense { padding: var(--space-sm); }
.alta-card__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-sm);
	margin-bottom: var(--space-sm);
}
.alta-card__title {
	font-size: var(--font-sm);
	font-weight: 600;
	color: var(--text-muted);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	margin-bottom: var(--space-sm);
}
.alta-card__head .alta-card__title { margin-bottom: 0; }

/* entity workbench - 그룹/아이템/속성을 다루는 최신 백오피스 기본 화면 */
.alta-page__title--compact {
	align-items: flex-end;
	margin-bottom: var(--space-sm);
	padding-bottom: var(--space-xs);
}
.alta-page__title-kicker {
	display: block;
	margin-top: 2px;
	font-size: var(--font-sm);
	color: var(--text-muted);
}
.alta-entity-workspace {
	display: grid;
	grid-template-columns: 236px minmax(360px, 1fr) 430px;
	gap: 0;
	min-height: calc(100vh - var(--header-h) - 72px);
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	box-shadow: var(--shadow-sm);
	overflow: hidden;
}
.alta-entity-panel {
	min-width: 0;
	background: var(--surface);
	border-right: 1px solid var(--border);
}
.alta-entity-panel:last-child { border-right: 0; }
.alta-entity-panel__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-sm);
	min-height: 48px;
	padding: var(--space-sm) var(--space-md);
	border-bottom: 1px solid var(--border);
	background: #fbfcfd;
}
.alta-entity-panel__head h2 {
	margin: 0;
	font-size: var(--font-md);
	font-weight: 650;
	color: var(--text);
}
.alta-entity-panel__label {
	display: block;
	margin-bottom: 1px;
	font-size: 10px;
	font-weight: 700;
	letter-spacing: 0.7px;
	text-transform: uppercase;
	color: var(--brand-dark);
}
.alta-entity-panel__meta {
	font-size: 11px;
	color: var(--text-muted);
	white-space: nowrap;
}
.alta-entity-panel__body {
	padding: var(--space-sm);
}
.alta-entity-table {
	table-layout: fixed;
}
.alta-entity-table thead th {
	height: 24px;
	padding: 0 var(--space-sm) var(--space-xs);
	border-bottom: 0;
}
.alta-entity-table td {
	height: 30px;
	padding: var(--space-xs) var(--space-sm);
	border-bottom: 1px solid var(--border);
}
.alta-entity-table td:first-child {
	width: 76px;
	color: var(--text-muted);
	font-variant-numeric: tabular-nums;
}
.alta-entity-table td:nth-child(2) {
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	font-weight: 500;
}
.alta-entity-table .col-actions {
	width: 34px;
	text-align: right;
}
.alta-entity-table tbody tr.is-clickable:hover td {
	background: #f8fafc;
}
.alta-entity-table tbody tr.is-selected td {
	background: #eef8f5;
	border-bottom-color: #d7eee7;
}
.alta-entity-table tbody tr.is-selected td:first-child {
	color: #14765f;
	font-weight: 650;
}
.alta-entity-table tbody tr.is-add td {
	background: #fbfcfd;
	border-bottom: 1px solid var(--border-strong);
}
.alta-entity-table .alta-btn--danger {
	border-color: transparent;
	background: transparent;
	color: #d25252;
}
.alta-entity-table .alta-btn--danger:hover {
	border-color: #f0b8b8;
	background: #fff5f5;
	color: #ba3f3f;
}
@media (max-width: 1180px) {
	.alta-entity-workspace {
		grid-template-columns: 220px minmax(0, 1fr);
	}
}
@media (max-width: 768px) {
	.alta-entity-workspace {
		grid-template-columns: 1fr;
	}
	.alta-entity-panel { border-right: 0; border-bottom: 1px solid var(--border); }
}

/* metric tiles - dashboard 등 KPI 표시 */
.alta-metrics {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
	gap: var(--space-md);
	margin-bottom: var(--space-md);
}
.alta-metric {
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: var(--space-md);
	box-shadow: var(--shadow-sm);
}
.alta-metric__label {
	font-size: var(--font-sm);
	color: var(--text-muted);
	margin-bottom: var(--space-xs);
}
.alta-metric__value {
	font-size: 20px;
	font-weight: 700;
	color: var(--text);
}
.alta-metric__sub {
	font-size: var(--font-sm);
	color: var(--text-muted);
	margin-top: var(--space-xs);
}

/* table */
.alta-table {
	width: 100%;
	border-collapse: collapse;
	font-size: var(--font-sm);
}
.alta-table th,
.alta-table td {
	padding: var(--space-sm) var(--space-sm);
	border-bottom: 1px solid var(--border);
	text-align: left;
	vertical-align: middle;
}
.alta-table thead th {
	padding-top: var(--space-xs);
	padding-bottom: var(--space-xs);
	background: transparent;
	font-weight: 600;
	color: var(--text-muted);
	text-transform: uppercase;
	letter-spacing: 0.4px;
	font-size: 11px;
	border-bottom: 1px solid var(--border-strong);
}
.alta-table tbody tr { transition: background 0.1s ease; }
.alta-table tbody tr:hover { background: var(--bg); }
.alta-table tbody tr:last-child td { border-bottom: 0; }
.alta-table--compact th,
.alta-table--compact td { padding: 2px var(--space-sm); }
.alta-table tbody tr.is-empty td { color: #b3b8be; }

/* monthly daily — 1~half / half+1~maxDate 두 컬럼으로 분할 */
.alta-monthly-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--space-md);
}
@media (max-width: 768px) {
	.alta-monthly-grid { grid-template-columns: 1fr; gap: 0; }
}

/* grid 2col layout for content areas */
.alta-grid-2 {
	display: grid;
	grid-template-columns: 2fr 1fr;
	gap: var(--space-md);
}

/* split layout — master/detail 또는 좌+우 카드 분할 */
.alta-split {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--space-md);
	align-items: start;
}
@media (max-width: 1024px) {
	.alta-split { grid-template-columns: 1fr; }
}

/* =============================================================================
 * Buttons
 * =========================================================================== */
.alta-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-xs);
	height: 28px;
	padding: 0 var(--space-md);
	font-size: var(--font-sm);
	line-height: 1;
	border: 1px solid var(--border-strong);
	background: var(--surface);
	color: var(--text);
	border-radius: 4px;
	cursor: pointer;
	user-select: none;
	text-decoration: none;
}
.alta-btn:hover { border-color: var(--brand); color: var(--brand); }
.alta-btn:disabled,
.alta-btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.alta-btn--primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.alta-btn--primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); color: #fff; }
.alta-btn--danger { color: var(--danger); border-color: var(--danger); }
.alta-btn--danger:hover { background: var(--danger); color: #fff; }
.alta-btn--ghost { border-color: transparent; background: transparent; }
.alta-btn--ghost:hover { background: var(--bg); border-color: var(--border); color: var(--text); }
.alta-btn--sm { height: 22px; padding: 0 var(--space-sm); font-size: 11px; }
.alta-btn--icon { width: 28px; padding: 0; }
.alta-btn--icon.alta-btn--sm { width: 22px; }

/* =============================================================================
 * Form controls
 * =========================================================================== */
.alta-input {
	display: block;
	width: 100%;
	height: 28px;
	padding: 0 var(--space-sm);
	font-size: var(--font-sm);
	border: 1px solid var(--border-strong);
	border-radius: 4px;
	background: var(--surface);
	color: var(--text);
	font-family: inherit;
}
.alta-input:focus {
	outline: none;
	border-color: var(--brand);
	box-shadow: 0 0 0 2px rgba(74, 169, 249, 0.15);
}
.alta-input:disabled { background: var(--bg); color: var(--text-muted); cursor: not-allowed; }
.alta-input--sm { height: 22px; font-size: 11px; }
textarea.alta-input { height: auto; padding: var(--space-xs) var(--space-sm); resize: vertical; }
select.alta-input { padding-right: var(--space-md); }

.alta-form-row {
	display: grid;
	grid-template-columns: 120px 1fr;
	gap: var(--space-sm);
	align-items: center;
	margin-bottom: var(--space-sm);
}
.alta-form-row > label {
	font-size: var(--font-sm);
	color: var(--text-muted);
	margin: 0;
}
@media (max-width: 768px) {
	.alta-form-row { grid-template-columns: 1fr; gap: var(--space-xs); }
}

/* table — action column + 행 상태(클릭/선택/입력) */
.alta-table .col-actions { width: 56px; text-align: right; white-space: nowrap; }
.alta-table tbody tr.is-clickable { cursor: pointer; }
.alta-table tbody tr.is-selected td,
.alta-table tbody tr.is-selected:hover td { background: var(--brand-soft); }
.alta-table tbody tr.is-add td { background: var(--bg); }
.alta-table tbody tr.is-add input.alta-input { height: 22px; }

/* =============================================================================
 * Slide-over panel — 우측 슬라이드 인 상세 편집 패널
 * =========================================================================== */
.alta-slideover {
	position: fixed;
	top: 0;
	right: 0;
	bottom: 0;
	width: 480px;
	max-width: 95vw;
	background: var(--surface);
	border-left: 1px solid var(--border);
	box-shadow: -8px 0 24px rgba(15, 23, 42, 0.08);
	transform: translateX(100%);
	transition: transform 0.25s ease;
	display: flex;
	flex-direction: column;
	z-index: 1000;
}
.alta-slideover.show { transform: translateX(0); }
.alta-slideover__header {
	display: flex;
	align-items: center;
	gap: var(--space-sm);
	padding: 0 var(--space-md);
	border-bottom: 1px solid var(--border);
	height: var(--header-h);
	flex-shrink: 0;
}
.alta-slideover__title {
	flex: 1;
	margin: 0;
	font-size: var(--font-md);
	font-weight: 600;
	color: var(--text);
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}
.alta-slideover__body {
	flex: 1;
	overflow-y: auto;
	padding: var(--space-md);
}
.alta-slideover__footer {
	padding: var(--space-sm) var(--space-md);
	border-top: 1px solid var(--border);
	display: flex;
	justify-content: flex-end;
	gap: var(--space-sm);
	flex-shrink: 0;
}
@media (max-width: 768px) {
	.alta-slideover { width: 100%; }
}

.alta-slideover.alta-entity-inspector {
	display: flex;
	position: static;
	width: auto;
	max-width: none;
	height: auto;
	border: 0;
	border-radius: 0;
	box-shadow: none;
	transform: none;
	z-index: auto;
}
.alta-slideover.alta-entity-inspector.show { transform: none; }
.alta-slideover.alta-entity-inspector .alta-slideover__header {
	min-height: 48px;
	height: 48px;
	padding: var(--space-sm) var(--space-md);
	background: #fbfcfd;
}
.alta-slideover.alta-entity-inspector .alta-slideover__body {
	padding: var(--space-md);
}
@media (max-width: 1180px) {
	.alta-slideover.alta-entity-inspector {
		position: fixed;
		top: 0;
		right: 0;
		bottom: 0;
		width: 480px;
		max-width: 95vw;
		height: auto;
		border-left: 1px solid var(--border);
		border-radius: 0;
		box-shadow: -8px 0 24px rgba(15, 23, 42, 0.08);
		transform: translateX(100%);
		z-index: 1000;
	}
	.alta-slideover.alta-entity-inspector.show { transform: translateX(0); }
}
@media (max-width: 768px) {
	.alta-slideover.alta-entity-inspector {
		width: 100%;
		max-width: 100%;
	}
}


/* =============================================================================
 * Footer
 * =========================================================================== */
.alta-footer {
	padding: var(--space-sm) var(--space-md);
	margin-top: var(--space-lg);
	border-top: 1px solid var(--border);
	font-size: var(--font-sm);
	color: var(--text-muted);
	text-align: center;
}

/* =============================================================================
 * Responsive
 * - 1180px 이하: sidebar rail 모드 (아이콘 + 짧은 라벨)
 * - 768px 이하: sidebar drawer 모드
 * =========================================================================== */
@media (max-width: 1180px) {
	.alta-shell {
		grid-template-columns: var(--sidebar-w-collapsed) 1fr;
	}
	.alta-sidebar {
		overflow-x: hidden;
	}
	.alta-sidebar__title {
		justify-content: center;
		padding: 0;
		font-size: 0;
	}
	.alta-sidebar__title::after {
		content: "NAV";
		font-size: 10px;
		letter-spacing: 0.9px;
	}
	.alta-nav__group-title {
		justify-content: center;
		min-height: 46px;
		padding: var(--space-xs) 0;
	}
	.alta-nav__group-main {
		flex-direction: column;
		gap: 2px;
	}
	.alta-nav__group-main > .fa {
		width: auto;
		font-size: 14px;
	}
	.alta-nav__text,
	.alta-nav__group-title .fa-chevron {
		display: none;
	}
	.alta-nav__short {
		display: block;
		max-width: 64px;
		overflow: hidden;
		text-overflow: ellipsis;
		white-space: nowrap;
		font-size: 10px;
		line-height: 1.1;
		color: #a9b6c8;
	}
	.alta-nav__items {
		padding: 3px 5px 8px;
	}
	.alta-nav__item a {
		justify-content: center;
		min-height: 28px;
		padding: 0;
		font-size: 10px;
	}
	.alta-nav__item a span {
		display: none;
	}
	.alta-nav__item a::after {
		content: attr(data-short);
		max-width: 58px;
		overflow: hidden;
		text-overflow: ellipsis;
		white-space: nowrap;
	}
	.alta-nav__item.is-active a {
		box-shadow: inset 3px 0 0 var(--accent);
	}
	.alta-header__last-login {
		display: none;
	}
	.alta-header__shop select {
		min-width: 112px;
		max-width: 160px;
	}
	.alta-grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
	.alta-shell {
		grid-template-columns: 1fr;
		grid-template-areas:
			"header"
			"main";
	}
	.alta-sidebar {
		position: fixed;
		top: 0;
		left: 0;
		width: 240px;
		height: 100vh;
		z-index: 1000;
		transform: translateX(-100%);
		transition: transform 0.2s ease;
	}
	.alta-sidebar__title {
		justify-content: flex-start;
		padding: 0 var(--space-md);
		font-size: 10px;
	}
	.alta-sidebar__title::after { content: none; }
	.alta-nav__group-title {
		justify-content: space-between;
		min-height: 38px;
		padding: 0 var(--space-md);
	}
	.alta-nav__group-main {
		flex-direction: row;
		gap: var(--space-sm);
	}
	.alta-nav__text,
	.alta-nav__group-title .fa-chevron {
		display: inline-block;
	}
	.alta-nav__short { display: none; }
	.alta-nav__items { padding: 4px 6px 8px; }
	.alta-nav__item a {
		justify-content: flex-start;
		min-height: 32px;
		padding: 0 var(--space-sm) 0 34px;
		font-size: var(--font-sm);
	}
	.alta-nav__item a span { display: inline; }
	.alta-nav__item a::after { content: none; }
	.alta-shell.is-sidebar-open .alta-sidebar { transform: translateX(0); }
	.alta-shell.is-sidebar-open::after {
		content: "";
		position: fixed;
		inset: 0;
		background: rgba(0, 0, 0, 0.4);
		z-index: 999;
	}
	.alta-header__menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
	.alta-header__shop { flex-wrap: wrap; gap: var(--space-xs); }
	.alta-header__shop-label { display: none; }
	.alta-header__shop select { min-width: 96px; max-width: 132px; }
	.alta-header {
		padding: 0 var(--space-sm);
		gap: var(--space-xs);
	}
	.alta-header__logo {
		padding-right: var(--space-sm);
	}
	.alta-header__logo-mark {
		height: 32px;
		padding: 0 7px;
		border-radius: 8px;
	}
	.alta-header__logo img { height: 24px; }
	.alta-header__user-id { display: none; }
	.alta-header__user {
		gap: 4px;
	}
	.alta-header__btn {
		width: 30px;
		padding: 0;
		justify-content: center;
	}
	.alta-header__btn span {
		display: none;
	}
}