:root {
    --yt-radius-sm: 8px;
    --yt-radius-md: 12px;
    --yt-radius-lg: 18px;
    --yt-sidebar-width: 248px;
    --yt-sidebar-collapsed-width: 72px;
    --yt-topbar-height: 64px;
    --yt-gutter: 24px;
    --yt-content-max-width: 1600px;
    --yt-transition-fast: 0.18s ease;
    --yt-transition-base: 0.24s ease;
    --yt-shadow-soft: 0 12px 30px rgba(15, 15, 15, 0.08);
    --yt-shadow-md: 0 14px 36px rgba(15, 15, 15, 0.16);
}

body,
body:not([data-theme]),
body[data-theme="light"] {
    --yt-bg: #f9f9f9;
    --yt-surface: #ffffff;
    --yt-surface-muted: #f1f3f4;
    --yt-surface-raised: #ffffff;
    --yt-border: #e5e5e5;
    --yt-text: #0f0f0f;
    --yt-text-muted: #606060;
    --yt-accent: #ff0000;
    --yt-accent-hover: #d93025;
    --yt-danger: #d93025;
    --yt-danger-hover: #b3261e;
    --yt-focus-ring: rgba(255, 0, 0, 0.18);
    --yt-scrollbar: #d3d5d7;
    --yt-scrollbar-hover: #b9bec3;
    --yt-print-surface: #ffffff;
    --yt-text-inverse: #ffffff;
    --yt-surface-soft: #fafbfc;
    --yt-surface-tint: #f4f5f7;
    --yt-surface-overlay: rgba(255, 255, 255, 0.96);
    --yt-disabled-bg: #e3e5e7;
    --yt-disabled-text: #99a2aa;
    --yt-accent-soft: rgba(255, 0, 0, 0.12);
    --yt-success-bg: rgba(56, 180, 106, 0.12);
    --yt-success-border: rgba(56, 180, 106, 0.26);
    --yt-success-text: #2f8f54;
    --yt-warn-bg: #fff4e5;
    --yt-warn-border: #d18a18;
    --yt-warn-text: #d18a18;
    --yt-info-bg: rgba(255, 0, 0, 0.08);
    --yt-info-border: rgba(255, 0, 0, 0.18);
    --yt-info-text: #b3261e;
    --yt-danger-bg: #ffe5ea;
    --yt-danger-border: #d44d67;
    --yt-danger-text: #d44d67;
    --yt-note-bg: #f2f8ff;
    --yt-note-text: #516072;

    /* Legacy bridge: existing pages keep working while new yt tokens lead. */
    --bg: var(--yt-bg);
    --surface: var(--yt-surface);
    --panel: var(--yt-surface);
    --border: var(--yt-border);
    --line: var(--yt-border);
    --text-main: var(--yt-text);
    --text: var(--yt-text);
    --text-muted: var(--yt-text-muted);
    --muted: var(--yt-text-muted);
    --primary: var(--yt-accent);
    --primary-hover: var(--yt-accent-hover);
    --info: var(--yt-accent);
    --accent: var(--yt-accent);
    --danger: var(--yt-danger);
    --radius: var(--yt-radius-sm);
    --shadow: var(--yt-shadow-soft);
    --shadow-soft: var(--yt-shadow-soft);
    --shadow-float: var(--yt-shadow-md);
}

body[data-theme="dark"] {
    --yt-bg: #0f0f0f;
    --yt-surface: #181818;
    --yt-surface-muted: #272727;
    --yt-surface-raised: #212121;
    --yt-border: #303030;
    --yt-text: #f1f1f1;
    --yt-text-muted: #aaaaaa;
    --yt-accent: #ff3d3d;
    --yt-accent-hover: #ff6b6b;
    --yt-danger: #ff6b6b;
    --yt-danger-hover: #ff8585;
    --yt-focus-ring: rgba(255, 61, 61, 0.22);
    --yt-scrollbar: #4a4a4a;
    --yt-scrollbar-hover: #666666;
    --yt-print-surface: #ffffff;
    --yt-text-inverse: #ffffff;
    --yt-surface-soft: #202020;
    --yt-surface-tint: #161616;
    --yt-surface-overlay: rgba(24, 24, 24, 0.96);
    --yt-disabled-bg: #2c2c2c;
    --yt-disabled-text: #7f7f7f;
    --yt-accent-soft: rgba(255, 61, 61, 0.16);
    --yt-success-bg: rgba(56, 180, 106, 0.18);
    --yt-success-border: rgba(56, 180, 106, 0.34);
    --yt-success-text: #7bd39b;
    --yt-warn-bg: rgba(209, 138, 24, 0.16);
    --yt-warn-border: rgba(209, 138, 24, 0.34);
    --yt-warn-text: #f2be63;
    --yt-info-bg: rgba(255, 61, 61, 0.14);
    --yt-info-border: rgba(255, 61, 61, 0.28);
    --yt-info-text: #ff9a9a;
    --yt-danger-bg: rgba(212, 77, 103, 0.18);
    --yt-danger-border: rgba(212, 77, 103, 0.34);
    --yt-danger-text: #ff9cb1;
    --yt-note-bg: rgba(255, 255, 255, 0.06);
    --yt-note-text: #c2cad3;

    --bg: var(--yt-bg);
    --surface: var(--yt-surface);
    --panel: var(--yt-surface);
    --border: var(--yt-border);
    --line: var(--yt-border);
    --text-main: var(--yt-text);
    --text: var(--yt-text);
    --text-muted: var(--yt-text-muted);
    --muted: var(--yt-text-muted);
    --primary: var(--yt-accent);
    --primary-hover: var(--yt-accent-hover);
    --info: var(--yt-accent);
    --accent: var(--yt-accent);
    --danger: var(--yt-danger);
    --radius: var(--yt-radius-sm);
    --shadow: 0 16px 40px rgba(0, 0, 0, 0.34);
    --shadow-soft: 0 12px 30px rgba(0, 0, 0, 0.28);
    --shadow-float: 0 20px 48px rgba(0, 0, 0, 0.4);
}

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

html {
    color-scheme: light;
    scroll-behavior: smooth;
}

body[data-theme="dark"] {
    color-scheme: dark;
}

body {
    margin: 0;
    background: var(--yt-bg);
    color: var(--yt-text);
    font: 14px/1.5 "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    text-rendering: optimizeLegibility;
}

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

img,
svg,
video,
canvas {
    display: block;
    max-width: 100%;
}

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

button {
    color: inherit;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--yt-scrollbar);
    border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--yt-scrollbar-hover);
}

.app-shell {
    --yt-shell-sidebar-width: var(--yt-sidebar-width);
    min-height: 100vh;
    display: grid;
    grid-template-columns: var(--yt-shell-sidebar-width) minmax(0, 1fr);
    background: var(--yt-bg);
}

.app-shell:has(.sidebar.collapsed),
.app-shell.is-collapsed {
    --yt-shell-sidebar-width: var(--yt-sidebar-collapsed-width);
}

.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    width: var(--yt-shell-sidebar-width);
    border-right: 1px solid var(--yt-border);
    background: var(--yt-bg);
    padding: 20px 16px;
    transition:
        width var(--yt-transition-fast),
        padding var(--yt-transition-fast),
        background-color var(--yt-transition-fast),
        border-color var(--yt-transition-fast);
}

.sidebar.collapsed,
.app-shell.is-collapsed .sidebar {
    width: var(--yt-sidebar-collapsed-width);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 15;
    transition: opacity var(--yt-transition-fast);
}

.sidebar-brand,
.login-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 10px;
}

.sidebar-brand-copy {
    min-width: 0;
}

.sidebar-brand-copy strong,
.login-brand h1 {
    display: block;
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.sidebar-brand-copy span,
.login-brand p,
.muted,
.login-tip {
    color: var(--muted);
    font-size: 13px;
}

.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: var(--yt-radius-md);
    display: grid;
    place-items: center;
    background: var(--yt-accent);
    color: var(--yt-text-inverse);
    font-weight: 700;
    letter-spacing: 1px;
}

.sidebar-nav {
    margin-top: 24px;
    display: grid;
    gap: 6px;
}

.sidebar-section {
    margin: 18px 10px 4px;
    color: var(--yt-text-muted);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.sidebar-nav .nav-item {
    padding: 12px 16px;
    border-radius: 16px;
    color: var(--text);
    font-size: 14px;
    transition:
        background-color var(--yt-transition-fast),
        color var(--yt-transition-fast),
        transform var(--yt-transition-fast);
}

.sidebar-nav .nav-item:hover {
    background: var(--yt-surface-muted);
    color: var(--info);
    transform: translateX(2px);
}

.sidebar-nav .nav-item.active {
    background: color-mix(in srgb, var(--yt-accent) 12%, var(--yt-surface));
    color: var(--info);
    font-weight: 600;
}

.nav-item-icon {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    display: inline-grid;
    place-items: center;
    flex: none;
    background: var(--yt-surface-muted);
    color: inherit;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.nav-item-label {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.sidebar.collapsed {
    padding-inline: 10px;
}

.sidebar.collapsed .sidebar-brand {
    justify-content: center;
    padding-inline: 0;
}

.sidebar.collapsed .sidebar-brand-copy,
.sidebar.collapsed .sidebar-section,
.sidebar.collapsed .nav-item-label {
    display: none;
}

.sidebar.collapsed .sidebar-nav {
    margin-top: 18px;
    gap: 8px;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding-inline: 0;
}

.main-content {
    min-width: 0;
    background: var(--yt-bg);
    display: grid;
    align-content: start;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: var(--yt-topbar-height);
    padding: 0 20px;
    background: color-mix(in srgb, var(--yt-bg) 92%, transparent);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--yt-border);
}

.topbar-start,
.topbar-end {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-start {
    min-width: 0;
    flex: 1 1 auto;
}

.topbar-end {
    justify-content: flex-end;
    flex: 0 0 auto;
    flex-wrap: wrap;
}

.topbar-search {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1 1 420px;
    min-width: 0;
    max-width: 640px;
    padding: 6px 8px 6px 16px;
    border: 1px solid var(--yt-border);
    border-radius: 999px;
    background: var(--yt-surface);
    box-shadow: inset 0 1px 2px rgba(15, 15, 15, 0.04);
}

.topbar-search-placeholder {
    cursor: default;
}

.topbar-search-icon {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    display: inline-grid;
    place-items: center;
    flex: none;
    background: var(--yt-surface-muted);
    color: var(--yt-text-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.topbar-search-copy {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.topbar-search-copy strong {
    font-size: 13px;
    line-height: 1.2;
}

.topbar-search-copy span {
    color: var(--yt-text-muted);
    font-size: 12px;
}

.topbar-search:focus-within {
    border-color: var(--yt-accent);
    box-shadow: 0 0 0 3px var(--yt-focus-ring);
}

.topbar-search input {
    flex: 1 1 auto;
    min-width: 0;
    border: 0;
    padding: 0;
    background: transparent;
    box-shadow: none;
}

.topbar-search input:focus,
.topbar-search input:focus-visible {
    box-shadow: none;
}

.icon-button {
    width: 40px;
    height: 40px;
    border: 1px solid var(--yt-border);
    border-radius: 999px;
    display: inline-grid;
    place-items: center;
    padding: 0;
    background: var(--yt-surface);
    color: var(--yt-text);
    cursor: pointer;
    transition:
        border-color var(--yt-transition-fast),
        background-color var(--yt-transition-fast),
        color var(--yt-transition-fast),
        transform var(--yt-transition-fast);
}

.icon-button:hover {
    background: var(--yt-surface-muted);
    border-color: color-mix(in srgb, var(--yt-accent) 24%, var(--yt-border));
    color: var(--yt-accent);
}

.icon-button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--yt-focus-ring);
}

.topbar-context {
    display: grid;
    gap: 2px;
    min-width: 160px;
}

.topbar-context strong {
    font-size: 16px;
    line-height: 1.2;
}

.topbar-context span {
    color: var(--yt-text-muted);
    font-size: 12px;
}

.topbar-caption {
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.topbar-link {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 14px;
    border-radius: 999px;
    background: var(--yt-surface-muted);
    color: var(--yt-text);
    font-size: 13px;
    font-weight: 600;
    transition:
        background-color var(--yt-transition-fast),
        color var(--yt-transition-fast);
}

.topbar-link:hover {
    background: var(--yt-accent-soft);
    color: var(--yt-accent);
}

.content-shell {
    display: grid;
    gap: 20px;
    padding: 20px 24px 32px;
}

.main-content > .alert {
    margin: 20px 24px 0;
}

.sidebar-toggle,
#sidebar-toggle {
    flex: none;
}

.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;
}

.button { border-radius: var(--radius); padding: 6px 16px; border: 1px solid var(--border); background: var(--surface); cursor: pointer; transition: 0.2s ease; font-size: 14px; }
.button.primary { background: var(--primary); color: var(--yt-text-inverse); border-color: var(--primary); }
.button.primary:hover { background: var(--primary-hover); }

.button:focus-visible {
    outline: none;
    border: 1px solid var(--info);
}

.button:active {
    opacity: 0.8;
}

.button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    background: var(--yt-disabled-bg);
    color: var(--yt-disabled-text);
}

.button.ghost {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--line);
}

.button.ghost:hover {
    border-color: var(--info);
    color: var(--info);
    background: var(--surface);
}

.button.compact {
    min-height: 32px;
    padding: 0 12px;
    font-size: 13px;
}

.button.danger {
    background: var(--danger);
    color: var(--yt-text-inverse);
}
.button.danger:hover {
    background: var(--yt-danger-hover);
}

.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    overflow: hidden;
    min-width: 0;
}

.form-panel {
    overflow: visible;
}

.panel-head {
    margin-bottom: 16px;
}

.panel-head h2 {
    margin: 0 0 4px;
    font-size: 16px;
    font-weight: 600;
}

.panel-head p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.divider {
    height: 1px;
    margin: 16px 0;
    background: var(--line);
}

.inline-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 0;
}

.inline-head h3 {
    margin: 0;
    font-size: 16px;
}

.stats-grid,
.content-grid.two-col,
.role-grid {
    display: grid;
    gap: 18px;
}

.stats-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 18px;
}

.stat-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid var(--line);
    min-width: 0;
}

.stat-card span {
    display: block;
    color: var(--muted);
    font-size: 13px;
    margin-bottom: 8px;
}

.stat-card strong {
    font-size: 28px;
    font-weight: 600;
    color: var(--text);
    margin: 0;
}

.quick-actions-panel {
    margin-bottom: 18px;
}

.quick-actions-grid {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.content-grid.two-col,
.role-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.content-grid.two-col > *,
.stats-grid > *,
.role-grid > * {
    min-width: 0;
}

.form-page-layout {
    display: grid;
    gap: 18px;
    grid-template-columns: 1fr;
}

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

.form-grid label {
    display: grid;
    gap: 8px;
    color: var(--muted);
    min-width: 0;
}

.form-grid label span {
    color: var(--text);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.5;
}

.field-title-inline {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.field-inline-note {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.3;
    font-weight: 500;
}

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

input, select, textarea { border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 12px; font-size: 14px; outline: none; transition: border-color 0.2s; }

textarea {
    resize: vertical;
    min-height: 100px;
}

select {
    padding-right: 30px;
}

input:focus,
input:focus-visible,
select:focus,
select:focus-visible,
textarea:focus,
textarea:focus-visible {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--yt-focus-ring);
}

.toggle-line {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toggle-line input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    display: block;
    overflow-x: auto;
    white-space: nowrap;
}

.data-table th,
.data-table td {
    border-bottom: 1px solid var(--line);
    padding: 12px 14px;
    text-align: left;
    vertical-align: middle;
}

.table-compact th, .table-compact td {
    padding: 8px 12px;
    font-size: 13px;
}

.data-table th {
    color: var(--muted);
    font-weight: 500;
    background: var(--yt-surface-soft);
}

.table-actions,
.text-link {
    display: inline-flex;
    gap: 12px;
    color: var(--info);
    font-size: 13px;
    cursor: pointer;
}

.text-link:hover {
    color: var(--yt-accent-hover);
}

.table-actions {
    align-items: center;
    flex-wrap: wrap;
}

.nav-item-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.nav-item-row.compact {
    gap: 8px;
}

.nav-item-row .nav-item {
    flex: 1;
}

.compact-meta-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(60px, 1fr));
    gap: 6px;
}

.compact-meta-grid input {
    min-width: 0;
}

.group-row td {
    background: var(--yt-info-bg);
}

.group-row strong {
    color: var(--yt-text);
    font-weight: 700;
}

.print-item-main {
    font-weight: 600;
    color: var(--text);
}

.print-item-meta {
    margin-top: 4px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.45;
}

.stock-qty {
    font-weight: 700;
    color: var(--text);
}

.toggle-line.compact {
    gap: 8px;
    align-items: flex-start;
    font-size: 13px;
}

.toggle-line.compact span {
    line-height: 1.35;
}

.role-switch-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 10px;
}

.inventory-print-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.inventory-print-master {
    margin-right: 6px;
}

.inventory-print-empty {
    padding: 14px 0;
}

.inventory-print-groups {
    display: grid;
    gap: 14px;
}

.inventory-print-group {
    display: grid;
    gap: 10px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--yt-surface-raised);
}

.inventory-print-group-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--line);
}

.inventory-print-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
}

.inventory-print-card {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    cursor: pointer;
    min-width: 0;
    transition: 0.2s ease;
}

.inventory-print-card:hover {
    border-color: var(--info);
    background: var(--yt-surface-tint);
}

.inventory-print-card input[type="checkbox"] {
    margin-top: 2px;
    flex: none;
}

.inventory-print-card-body {
    display: grid;
    gap: 4px;
    min-width: 0;
    flex: 1;
}

.inventory-print-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.inventory-print-stock {
    color: var(--text);
    font-size: 12px;
    white-space: nowrap;
    flex: none;
}

.inventory-print-card-foot {
    color: var(--muted);
    font-size: 11px;
    line-height: 1.35;
}

.inventory-pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

/* 库存台账网格卡片 */
.inventory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.inventory-card {
    display: flex;
    flex-direction: column;
    padding: 16px;
    border: 1px solid var(--yt-border);
    border-radius: var(--yt-radius-md);
    background: var(--yt-surface);
    transition: box-shadow var(--yt-transition-fast), border-color var(--yt-transition-fast);
}

.inventory-card:hover {
    box-shadow: var(--yt-shadow-soft);
    border-color: color-mix(in srgb, var(--yt-accent) 30%, var(--yt-border));
}

.inventory-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.inventory-card-name {
    font-weight: 600;
    font-size: 15px;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.inventory-card-qty {
    white-space: nowrap;
    flex: none;
}

.inventory-card-qty .stock-qty {
    font-weight: 700;
    color: var(--info);
}

.inventory-card-meta {
    color: var(--muted);
    font-size: 13px;
    margin-top: 8px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.inventory-card-meta-full {
    display: block;
    -webkit-line-clamp: unset;
    -webkit-box-orient: initial;
    overflow: visible;
}

.inventory-card-foot {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    align-items: center;
}

.inventory-card-edit {
    display: grid;
    gap: 8px;
}

.inventory-card-edit[hidden] {
    display: none;
}

.inventory-card.is-editing .inventory-card-view {
    display: none;
}

@media (max-width: 720px) {
    .inventory-grid {
        grid-template-columns: 1fr;
    }
}

/* 入库/出库单列表网格卡片 */
.order-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.order-card {
    display: flex;
    flex-direction: column;
    padding: 16px;
    border: 1px solid var(--yt-border);
    border-radius: var(--yt-radius-md);
    background: var(--yt-surface);
    transition: box-shadow var(--yt-transition-fast), border-color var(--yt-transition-fast);
}

.order-card:hover {
    box-shadow: var(--yt-shadow-soft);
    border-color: color-mix(in srgb, var(--yt-accent) 30%, var(--yt-border));
}

.order-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.order-card-no {
    font-weight: 600;
    font-size: 15px;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.order-card-meta {
    color: var(--muted);
    font-size: 13px;
    margin-top: 8px;
    line-height: 1.6;
}

.order-card-meta div {
    min-width: 0;
}

.order-card-foot {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
    align-items: center;
}

.order-card-check {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--muted);
    margin-right: auto;
}

@media (max-width: 720px) {
    .order-grid {
        grid-template-columns: 1fr;
    }
}

.permission-dense-box {
    display: grid;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--yt-surface-soft);
}

.inbound-entry-block {
    display: grid;
    gap: 12px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.permission-dense-box.compact {
    gap: 10px;
}

.permission-dense-group {
    display: grid;
    gap: 8px;
}

.permission-dense-group + .permission-dense-group {
    padding-top: 10px;
    border-top: 1px dashed var(--line);
}

.permission-dense-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    color: var(--text);
    font-size: 13px;
    font-weight: 700;
}

.permission-dense-title span {
    color: var(--muted);
    font-weight: 500;
    font-size: 12px;
}

.permission-dense-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 8px 12px;
}

.toggle-line.compact.dense {
    min-height: 22px;
}

.toggle-line.compact.dense span {
    font-size: 12px;
    line-height: 1.3;
}

.is-disabled {
    pointer-events: none;
    opacity: 0.5;
}

.data-table input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-height: auto;
}

.data-table input[form],
.inline-form input[type="text"] {
    min-width: 180px;
}

.badge { border-radius: var(--radius); padding: 2px 8px; font-size: 12px; }
.badge.success { background: var(--yt-success-bg); color: var(--yt-success-text); }

.badge.warn {
    background: var(--yt-warn-bg);
    color: var(--yt-warn-text);
    border-color: var(--yt-warn-border);
}

.badge.info {
    background: var(--yt-info-bg);
    color: var(--yt-info-text);
    border-color: var(--yt-info-border);
}

.badge.danger {
    background: var(--yt-danger-bg);
    color: var(--yt-danger-text);
    border-color: var(--yt-danger-border);
}

.alert {
    margin-bottom: 18px;
    padding: 12px 16px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    font-size: 14px;
}

.alert span {
    flex: 1 1 auto;
}

.alert-close {
    border: 0;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    min-height: 24px;
    padding: 0;
}

.alert-close:hover {
    color: var(--text);
}

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

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

.alert.info {
    background: var(--yt-info-bg);
    border-color: var(--yt-info-border);
}

.warning-list,
.stack-list,
.permission-list {
    display: grid;
    gap: 12px;
}

.warning-item,
.stack-item {
    padding: 14px;
    border-radius: 14px;
    background: var(--surface);
    border: 1px solid var(--line);
}

.item-rows {
    display: grid;
    gap: 10px;
    min-width: 0;
    overflow-x: auto;
    padding-bottom: 4px;
}

.item-row {
    display: grid;
    grid-template-columns: repeat(8, minmax(0, 1fr));
    gap: 12px;
    padding: 14px;
    border-radius: 10px;
    background: var(--yt-surface-soft);
    border: 1px solid var(--line);
    align-items: start;
    min-width: 1080px;
}

.item-row label,
.item-row-actions,
.category-suggestion,
.inbound-item-entry label,
.inbound-item-entry .item-row-actions,
.inbound-item-entry .category-suggestion {
    min-width: 0;
}

.inbound-items-shell {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 10px;
    border-radius: 10px;
    background: var(--yt-surface-soft);
    border: 1px solid var(--line);
    min-width: 1080px;
}

.inbound-item-entry {
    display: grid;
    gap: 8px;
    align-items: start;
    grid-template-columns: 1fr;
}

.inbound-item-entry + .inbound-item-entry {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed var(--line);
}



.inbound-entry-head {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.inbound-step-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 999px;
    background: var(--yt-accent-soft);
    color: var(--yt-accent);
    font-weight: 700;
    flex: none;
}

.inbound-entry-head strong {
    display: inline-block;
    font-size: 14px;
    color: var(--text);
}

.inbound-entry-head p {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.4;
}

.inbound-entry-fields {
    display: grid;
    gap: 10px;
}

.inbound-entry-fields-main {
    grid-template-columns: minmax(180px, 1.4fr) minmax(160px, 1fr) minmax(180px, 1.2fr) minmax(120px, 0.7fr);
}

.inbound-entry-fields-meta {
    grid-template-columns: minmax(160px, 1.2fr) minmax(140px, 0.9fr) minmax(140px, 1fr) repeat(3, minmax(90px, 0.7fr));
}

.inbound-entry-fields-compact {
    grid-template-columns: minmax(160px, 1fr) minmax(180px, 1.4fr) minmax(150px, 1fr) minmax(140px, 0.95fr) minmax(170px, 1.1fr) minmax(110px, 0.7fr) minmax(120px, 0.8fr);
}

.inbound-entry-fields-meta-compact {
    grid-template-columns: repeat(3, minmax(90px, 0.8fr));
}

.inbound-entry-summary {
    display: grid;
    gap: 6px;
    padding: 0 2px;
}

.inbound-entry-footer {
    display: flex;
    align-items: center;
    gap: 10px 14px;
    flex-wrap: wrap;
}

.inbound-entry-footer .category-suggestion,
.inbound-entry-footer .field-hint {
    margin: 0;
}

.inbound-entry-footer .category-suggestion {
    padding-top: 0;
}

.inbound-entry-footer .item-row-actions {
    margin-left: auto;
}

.section-tip {
    padding: 10px 12px;
    border-radius: 10px;
    background: var(--yt-note-bg);
    color: var(--yt-note-text);
    font-size: 13px;
    line-height: 1.5;
}

.item-row-outbound {
    grid-template-columns: minmax(0, 1fr) 180px 140px;
    align-items: end;
}

.item-row-actions {
    display: flex;
    align-items: end;
}

.item-row-actions .button {
    min-height: 42px;
    width: 100%;
}

.item-row-actions.compact {
    align-items: center;
}

.item-row-actions.compact .button {
    width: auto;
    min-height: 38px;
}

.field-hint {
    display: block;
    margin-top: 8px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}

.category-suggestion {
    display: flex;
    align-items: flex-start;
    color: var(--muted);
    line-height: 1.5;
    padding-top: 30px;
}

.category-suggestion span {
    color: var(--text);
    font-weight: 600;
}

.source-pick-list {
    max-height: 280px;
    overflow: auto;
    display: grid;
    gap: 6px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
}

.source-pick-list label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.5;
    cursor: pointer;
    transition: background-color var(--yt-transition-fast), color var(--yt-transition-fast);
}

.source-pick-list label:hover {
    background: var(--yt-surface-soft);
    color: var(--yt-text);
}

.source-pick-list input[type="checkbox"] {
    margin-top: 2px;
    flex: none;
}

.inline-form {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.inline-form.two-row {
    flex-direction: column;
    align-items: stretch;
}

.inline-form-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.inline-form-row .field-fill {
    flex: 1;
    min-width: 0;
}

.entry-actions-bar {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 10px 0 0;
    border-top: 1px solid var(--yt-border);
    margin-top: 8px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding-top: 16px;
    border-top: 1px solid var(--yt-border);
    margin-top: 12px;
}

.inline-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.inline-actions .button,
.inline-actions button {
    min-width: 88px;
}

.inline-actions .button.ghost,
.inline-actions button.ghost {
    min-width: auto;
}

.sku-hint-trigger {
    color: var(--yt-link);
    cursor: pointer;
    position: relative;
}

.sku-hint-ellipsis {
    cursor: pointer;
    margin-left: 2px;
}

.sku-tooltip {
    position: fixed;
    background: var(--yt-surface);
    border: 1px solid var(--yt-border);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    padding: 8px 0;
    min-width: 260px;
    max-width: 360px;
    z-index: 50;
    font-size: 13px;
    transform: translateY(-100%);
}

.sku-tooltip-title {
    padding: 4px 12px 8px;
    font-weight: 600;
    border-bottom: 1px solid var(--yt-border);
    color: var(--yt-text-primary);
    margin-bottom: 4px;
}

.sku-tooltip-item {
    padding: 6px 12px;
    cursor: pointer;
    transition: background var(--yt-transition-fast);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.sku-tooltip-item:hover {
    background: var(--yt-hover);
}

.sku-tooltip-item .sku-code {
    font-weight: 600;
    color: var(--yt-link);
    white-space: nowrap;
}

.sku-tooltip-item .sku-brief {
    color: var(--yt-text-secondary);
    font-size: 12px;
    text-align: right;
    white-space: nowrap;
}

.sku-detail-panel {
    padding: 8px 12px;
    border-top: 1px solid var(--yt-border);
    margin-top: 4px;
}

.sku-detail-panel .detail-row {
    display: flex;
    justify-content: space-between;
    padding: 3px 0;
    font-size: 12px;
}

.sku-detail-panel .detail-label {
    color: var(--yt-text-secondary);
}

.sku-detail-panel .detail-value {
    font-weight: 500;
    color: var(--yt-text-primary);
}

.sku-detail-panel .detail-back {
    display: inline-block;
    margin-top: 6px;
    color: var(--yt-link);
    cursor: pointer;
    font-size: 12px;
}

.mobile-sticky-actions {
    display: none;
}

.panel > .form-grid + .muted,
.panel-head + .form-grid + .muted {
    margin: 14px 0 10px;
}

.top-gap {
    margin-top: 14px;
}

.detail-list {
    display: grid;
    gap: 12px;
}

.is-hidden {
    display: none !important;
}

.stack-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}

.empty-state {
    color: var(--muted);
    padding: 20px 0;
}

.role-card {
    gap: 16px;
}

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: linear-gradient(180deg, var(--yt-surface-soft) 0%, var(--yt-surface-tint) 100%);
}

.login-shell {
    width: min(100%, 1080px);
    padding: 24px;
}

.login-card {
    width: min(100%, 520px);
    padding: 28px;
    margin: 0 auto;
    border-radius: 16px;
    background: var(--yt-surface-raised);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.login-tip {
    margin-top: 16px;
    font-size: 14px;
}

.print-page {
    background: var(--yt-surface-tint);
    color: var(--yt-text);
}

.print-sheet {
    width: min(100%, 960px);
    margin: 30px auto;
    background: var(--yt-print-surface);
    border-radius: 18px;
    padding: 32px;
    box-shadow: var(--yt-shadow-md);
}

.print-header,
.print-meta {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}

.print-meta {
    margin: 20px 0;
    align-items: flex-start;
    flex-wrap: wrap;
}

.print-table {
    display: table;
    width: 100%;
    table-layout: auto;
    border-collapse: collapse;
    white-space: normal;
    overflow: visible;
}

.print-table th,
.print-table td {
    padding: 14px 12px;
    white-space: normal;
    word-break: break-word;
    line-height: 1.6;
    min-width: 0;
}

.print-table-compact th,
.print-table-compact td {
    padding: 7px 8px;
    line-height: 1.35;
    font-size: 12px;
}

.print-category-block {
    margin-top: 12px;
    break-inside: avoid;
    page-break-inside: avoid;
}

.print-category-title {
    margin: 0 0 6px;
    padding: 4px 6px;
    font-size: 14px;
    font-weight: 700;
    color: var(--yt-text);
    border-left: 4px solid var(--yt-accent);
    background: var(--yt-info-bg);
    line-height: 1.3;
}

.print-signoff {
    margin-top: 28px;
    display: flex;
    justify-content: flex-start;
}

.print-signoff-left {
    display: grid;
    gap: 10px;
    min-width: 240px;
    text-align: left;
    line-height: 1.7;
}

@media (max-width: 1100px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    /* 移动端：侧边栏变为离屏抽屉，默认隐藏，点击汉堡按钮滑入，避免遮挡内容 */
    .sidebar,
    .sidebar.collapsed,
    .app-shell.is-collapsed .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: var(--yt-sidebar-width);
        max-width: 80vw;
        height: 100vh;
        height: 100dvh;
        border-right: 1px solid var(--yt-border);
        border-bottom: 0;
        padding: 20px 16px;
        background: var(--yt-bg);
        transform: translateX(-100%);
        transition: transform var(--yt-transition-fast);
        z-index: 35;
    }

    .sidebar.is-open {
        transform: translateX(0);
        box-shadow: var(--shadow-soft);
    }

    .sidebar-nav {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .sidebar-overlay {
        z-index: 30;
    }

    .sidebar-overlay.is-visible {
        display: block;
    }

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

    .sidebar-section {
        margin: 10px 0 0;
    }

    .stats-grid,
    .content-grid.two-col,
    .role-grid,
    .form-grid,
    .item-row,
    .inbound-item-entry,
    .item-row-outbound {
        grid-template-columns: 1fr;
    }

    .inbound-entry-fields-main,
    .inbound-entry-fields-meta,
    .inbound-entry-fields-compact,
    .permission-dense-grid,
    .role-switch-list {
        grid-template-columns: 1fr;
    }

    .inbound-entry-fields-meta-compact {
        grid-template-columns: repeat(3, 1fr);
    }

    .inbound-entry-fields-meta-compact input {
        padding: 6px 8px;
    }

    .item-row,
    .inbound-items-shell {
        min-width: 100%;
    }

    .inline-head {
        flex-direction: column;
        align-items: stretch;
    }

    .topbar {
        position: static;
        padding: 16px;
        flex-direction: column;
        align-items: stretch;
    }

    .content-shell {
        padding: 16px 16px 24px;
    }

    .main-content > .alert {
        margin: 16px 16px 0;
    }

    .topbar-start,
    .topbar-end {
        width: 100%;
    }

    .topbar-search {
        max-width: none;
    }

    .topbar-end {
        justify-content: space-between;
    }

    .panel {
        padding: 18px;
    }

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

    .inbound-entry-footer .item-row-actions {
        margin-left: 0;
        width: 100%;
    }

    .inbound-entry-footer .item-row-actions .button {
        width: 100%;
    }
}

@media (max-width: 720px) {
    body {
        font-size: 14px;
    }

    .sidebar-brand,
    .login-brand {
        align-items: flex-start;
    }

    .brand-mark {
        width: 48px;
        height: 48px;
    }

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

    .inventory-print-grid {
        grid-template-columns: 1fr;
    }

    .inventory-print-card-top {
        flex-direction: column;
    }

    .stat-card {
        min-height: 108px;
        padding: 16px;
    }

    .stat-card strong {
        font-size: 30px;
    }

    .button,
    .button.compact {
        min-height: 46px;
    }

    .topbar-start,
    .topbar-end {
        flex-wrap: wrap;
    }

    .topbar-end {
        justify-content: flex-start;
    }

    .topbar-context,
    .topbar-link,
    .topbar-end .button {
        width: 100%;
    }

    .topbar-link {
        justify-content: center;
    }

    .quick-actions-grid {
        flex-direction: column;
    }

    input,
    select,
    textarea {
        min-height: 46px;
        font-size: 16px;
    }

    .form-panel form {
        padding-bottom: 96px;
    }

    .mobile-sticky-actions {
        position: fixed;
        left: 12px;
        right: 12px;
        bottom: 12px;
        z-index: 20;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        padding: 10px;
        border: 1px solid var(--line);
        border-radius: 14px;
        background: var(--yt-surface-overlay);
        box-shadow: var(--shadow-soft);
        backdrop-filter: blur(8px);
    }

    .mobile-sticky-actions .button {
        width: 100%;
    }

    .print-header,
    .print-meta,
    .print-signoff {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media print {
    .no-print {
        display: none !important;
    }

    body {
        background: var(--yt-print-surface);
    }

    @page {
        size: auto;
        margin: 8mm;
    }

    .print-sheet {
        margin: 0;
        width: 100%;
        box-shadow: none;
        border-radius: 0;
        padding: 0;
    }

    .print-header h1 {
        margin: 0 0 4px;
        font-size: 20px;
    }

    .print-header p,
    .print-meta,
    .print-meta div {
        font-size: 11px;
        line-height: 1.35;
    }

    .print-meta {
        margin: 8px 0 10px;
        gap: 6px 12px;
    }

    .print-category-block {
        margin-top: 8px;
    }

    .print-category-title {
        margin-bottom: 4px;
        padding: 3px 5px;
        font-size: 12px;
        font-weight: 700;
        color: #000;
        background: transparent;
        border-left-color: #000;
    }

    .print-table-compact th,
    .print-table-compact td {
        padding: 4px 5px;
        font-size: 10.5px;
        line-height: 1.2;
    }

    .print-table thead th {
        font-weight: 700;
    }
}

/* 通用弹窗（合并请求驳回等） */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 60;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: rgba(0, 0, 0, 0.45);
}

.modal-overlay[hidden] {
    display: none;
}

.modal-dialog {
    width: 100%;
    max-width: 480px;
    background: var(--yt-surface);
    border: 1px solid var(--yt-border);
    border-radius: var(--yt-radius-md);
    box-shadow: var(--yt-shadow-md);
    overflow: hidden;
}

.modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--yt-border);
}

.modal-head h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    padding: 0 4px;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    color: var(--yt-text-muted);
}

.modal-close:hover {
    color: var(--yt-text);
}

.modal-body {
    padding: 20px;
}

.merge-diff-target,
.merge-diff-item {
    padding: 12px 14px;
    border: 1px solid var(--yt-border);
    border-radius: 12px;
    background: var(--yt-surface-soft);
}

.merge-diff-target {
    margin-top: 12px;
}

.merge-diff-target strong,
.merge-diff-item strong {
    display: block;
    margin-bottom: 6px;
}

.merge-diff-list {
    display: grid;
    gap: 10px;
    margin-top: 12px;
}

.merge-diff-item ul {
    margin: 8px 0 0;
    padding-left: 18px;
}

.merge-diff-item li + li {
    margin-top: 4px;
}

@media print {
    .modal-overlay {
        display: none !important;
    }
}