/* ============================================================
   营口方信 · 物料计数器  -  纯 CSS 实现 (Tailwind 风格)
   配色方案:
     primary       #1E3A5F   深蓝 - 侧边栏/按钮
     primary-light #4A90D9   浅蓝
     primary-dark  #152B47   深色 hover
     accent        #FF8C00   橙色 - 强调
     danger        #E74C3C   红色 - 危险/预警
     surface       #F5F7FA   浅灰 - 页面背景
   ============================================================ */

/* ===== CSS Variables ===== */
:root {
    --primary: #1E3A5F;
    --primary-light: #4A90D9;
    --primary-dark: #152B47;
    --accent: #FF8C00;
    --danger: #E74C3C;
    --surface: #F5F7FA;

    --gray-50:  #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;

    --blue:   #3b82f6;
    --green:  #22c55e;
    --orange: #f97316;
    --red:    #ef4444;
    --yellow: #eab308;
    --purple: #a855f7;
    --indigo: #6366f1;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow:    0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    --radius-sm: 4px;
    --radius:    8px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;

    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    --font-xs: 12px;
    --font-sm: 13px;
    --font-base: 14px;
    --font-lg: 16px;
    --font-xl: 18px;
    --font-2xl: 20px;
    --font-3xl: 24px;
    --font-4xl: 30px;
    --font-5xl: 36px;

    /* 暗色模式变量（默认与亮色一致，由 [data-theme="dark"] 覆盖） */
    --bg-body: var(--surface);
    --bg-card: #fff;
    --bg-sidebar: var(--primary);
    --bg-topbar: #fff;
    --bg-input: #fff;
    --text-primary: var(--gray-800);
    --text-secondary: var(--gray-500);
    --border-color: var(--gray-200);
    --hover-bg: var(--gray-50);
}

/* ===== 暗色主题 ===== */
[data-theme="dark"] {
    --primary: #3b82f6;
    --primary-light: #60a5fa;
    --primary-dark: #2563eb;
    --surface: #0f172a;
    --gray-50:  #1e293b;
    --gray-100: #1e293b;
    --gray-200: #334155;
    --gray-300: #475569;
    --gray-400: #64748b;
    --gray-500: #94a3b8;
    --gray-600: #cbd5e1;
    --gray-700: #e2e8f0;
    --gray-800: #f1f5f9;

    --bg-body: #0f172a;
    --bg-card: #1e293b;
    --bg-sidebar: #0f172a;
    --bg-topbar: #1e293b;
    --bg-input: #0f172a;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --hover-bg: #334155;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow:    0 1px 3px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

/* ===== Reset & Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
    font-family: 'Noto Sans SC', 'Microsoft YaHei', 'Segoe UI', Arial, sans-serif;
    background-color: var(--surface);
    color: var(--gray-800);
    font-size: var(--font-base);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-dark); }
ul, ol, li { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: inherit; }
:focus { outline: none; }
::selection { background-color: rgba(30,58,95,.15); color: var(--gray-800); }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #f1f1f1; border-radius: 3px; }
::-webkit-scrollbar-thumb { background: #c1c1c1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #a1a1a1; }

/* ============================================================
   工具类 (Tailwind 风格)
   ============================================================ */

/* ===== 背景颜色 ===== */
.bg-primary { background-color: var(--primary); }
.bg-primary-light { background-color: var(--primary-light); }
.bg-primary-dark { background-color: var(--primary-dark); }
.bg-accent { background-color: var(--accent); }
.bg-danger { background-color: var(--danger); }
.bg-surface { background-color: var(--surface); }
.bg-white { background-color: #fff; }
.bg-transparent { background-color: transparent; }

.bg-blue-50 { background-color: #eff6ff; }
.bg-blue-100 { background-color: #dbeafe; }
.bg-blue-500 { background-color: var(--blue); }
.bg-green-50 { background-color: #f0fdf4; }
.bg-green-100 { background-color: #dcfce7; }
.bg-green-500 { background-color: var(--green); }
.bg-orange-50 { background-color: #fff7ed; }
.bg-orange-100 { background-color: #ffedd5; }
.bg-orange-500 { background-color: var(--orange); }
.bg-red-50 { background-color: #fef2f2; }
.bg-red-100 { background-color: #fee2e2; }
.bg-red-500 { background-color: var(--red); }
.bg-yellow-50 { background-color: #fefce8; }
.bg-yellow-100 { background-color: #fef9c3; }
.bg-gray-50 { background-color: var(--gray-50); }
.bg-gray-100 { background-color: var(--gray-100); }
.bg-gray-200 { background-color: var(--gray-200); }
.bg-indigo-50 { background-color: #eef2ff; }
.bg-indigo-100 { background-color: #e0e7ff; }

/* ===== 文字颜色 ===== */
.text-primary { color: var(--primary); }
.text-primary-light { color: var(--primary-light); }
.text-primary-dark { color: var(--primary-dark); }
.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }
.text-white { color: #fff; }
.text-gray-300 { color: var(--gray-300); }
.text-gray-400 { color: var(--gray-400); }
.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-gray-800 { color: var(--gray-800); }

.text-blue-500 { color: var(--blue); }
.text-blue-600 { color: #2563eb; }
.text-blue-700 { color: #1d4ed8; }
.text-blue-800 { color: #1e40af; }
.text-green-500 { color: var(--green); }
.text-green-600 { color: #16a34a; }
.text-green-700 { color: #15803d; }
.text-green-800 { color: #166534; }
.text-orange-500 { color: var(--orange); }
.text-orange-600 { color: #ea580c; }
.text-red-500 { color: var(--red); }
.text-red-600 { color: #dc2626; }
.text-red-700 { color: #b91c1c; }
.text-red-800 { color: #991b1b; }
.text-yellow-500 { color: var(--yellow); }
.text-yellow-600 { color: #ca8a04; }
.text-indigo-500 { color: var(--indigo); }
.text-indigo-600 { color: #4f46e5; }
.text-indigo-700 { color: #4338ca; }

/* ===== 边框颜色 ===== */
.border-primary { border-color: var(--primary); }
.border-danger { border-color: var(--danger); }
.border-white\/10 { border-color: rgba(255,255,255,.1); }
.border-gray-100 { border-color: var(--gray-100); }
.border-gray-200 { border-color: var(--gray-200); }
.border-gray-300 { border-color: var(--gray-300); }
.border-gray-400 { border-color: var(--gray-400); }
.border-red-200 { border-color: #fecaca; }
.border-red-300 { border-color: #fca5a5; }
.border-green-200 { border-color: #bbf7d0; }
.border-yellow-200 { border-color: #fde68a; }
.border-blue-200 { border-color: #bfdbfe; }
.border-blue-300 { border-color: #93c5fd; }
.border-indigo-200 { border-color: #c7d2fe; }

/* ===== 边框宽度 ===== */
.border-0 { border-width: 0; }
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-t { border-top-width: 1px; }
.border-b { border-bottom-width: 1px; }
.border-l { border-left-width: 1px; }
.border-r { border-right-width: 1px; }

/* ===== 圆角 ===== */
.rounded-none { border-radius: 0; }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* ===== 阴影 ===== */
.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* ===== 布局工具类 ===== */
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }
.d-block { display: block; }
.d-inline-block { display: inline-block; }
.d-none { display: none; }
.d-grid { display: grid; }
.d-table { display: table; }
.d-table-cell { display: table-cell; }

.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-start { justify-content: flex-start; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-5 { gap: 20px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-grow-0 { flex-grow: 0; }
.flex-grow-1 { flex-grow: 1; }

/* ===== 网格布局 ===== */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
.grid-cols-auto { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid-cols-auto-sm { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.grid-cols-auto-md { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.grid-cols-auto-lg { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }

.col-span-1 { grid-column: span 1; }
.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }
.col-span-4 { grid-column: span 4; }
.col-span-5 { grid-column: span 5; }
.col-span-6 { grid-column: span 6; }
.col-span-full { grid-column: 1 / -1; }

/* ===== 间距工具类 ===== */
.m-0 { margin: 0; }
.m-1 { margin: 4px; }
.m-2 { margin: 8px; }
.m-3 { margin: 12px; }
.m-4 { margin: 16px; }
.m-5 { margin: 20px; }
.m-6 { margin: 24px; }
.m-auto { margin: auto; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-5 { margin-top: 20px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-5 { margin-bottom: 20px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }

.ml-0 { margin-left: 0; }
.ml-1 { margin-left: 4px; }
.ml-2 { margin-left: 8px; }
.ml-3 { margin-left: 12px; }
.ml-4 { margin-left: 16px; }

.mr-0 { margin-right: 0; }
.mr-1 { margin-right: 4px; }
.mr-2 { margin-right: 8px; }
.mr-3 { margin-right: 12px; }
.mr-4 { margin-right: 16px; }

.mx-auto { margin-left: auto; margin-right: auto; }

.p-0 { padding: 0; }
.p-1 { padding: 4px; }
.p-2 { padding: 8px; }
.p-3 { padding: 12px; }
.p-4 { padding: 16px; }
.p-5 { padding: 20px; }
.p-6 { padding: 24px; }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: 4px; }
.pt-2 { padding-top: 8px; }
.pt-3 { padding-top: 12px; }
.pt-4 { padding-top: 16px; }
.pt-5 { padding-top: 20px; }
.pt-6 { padding-top: 24px; }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: 4px; }
.pb-2 { padding-bottom: 8px; }
.pb-3 { padding-bottom: 12px; }
.pb-4 { padding-bottom: 16px; }
.pb-5 { padding-bottom: 20px; }
.pb-6 { padding-bottom: 24px; }

.pl-0 { padding-left: 0; }
.pl-1 { padding-left: 4px; }
.pl-2 { padding-left: 8px; }
.pl-3 { padding-left: 12px; }
.pl-4 { padding-left: 16px; }

.pr-0 { padding-right: 0; }
.pr-1 { padding-right: 4px; }
.pr-2 { padding-right: 8px; }
.pr-3 { padding-right: 12px; }
.pr-4 { padding-right: 16px; }

/* ===== 文字工具类 ===== */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-left   { text-align: left; }
.text-justify { text-align: justify; }

.font-bold   { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-normal { font-weight: 400; }
.font-light { font-weight: 300; }

.text-xs  { font-size: 12px; }
.text-sm  { font-size: 13px; }
.text-base { font-size: 14px; }
.text-lg  { font-size: 16px; }
.text-xl  { font-size: 18px; }
.text-2xl { font-size: 20px; }
.text-3xl { font-size: 24px; }
.text-4xl { font-size: 30px; }
.text-5xl { font-size: 36px; }

.leading-tight { line-height: 1.25; }
.leading-normal { line-height: 1.5; }
.leading-relaxed { line-height: 1.75; }

.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.no-wrap { white-space: nowrap; }
.text-underline { text-decoration: underline; }
.text-overline { text-decoration: overline; }
.line-through { text-decoration: line-through; }
.uppercase { text-transform: uppercase; }
.capitalize { text-transform: capitalize; }

/* ===== 尺寸工具类 ===== */
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-8 { width: 32px; }
.w-12 { width: 48px; }
.w-16 { width: 64px; }
.w-24 { width: 96px; }
.w-32 { width: 128px; }
.w-40 { width: 160px; }
.w-48 { width: 192px; }
.w-56 { width: 224px; }
.w-64 { width: 256px; }
.w-72 { width: 288px; }
.w-80 { width: 320px; }
.w-96 { width: 384px; }
.w-min { width: min-content; }
.w-max { width: max-content; }

.max-w-full { max-width: 100%; }
.max-w-sm { max-width: 384px; }
.max-w-md { max-width: 480px; }
.max-w-lg { max-width: 512px; }
.max-w-xl { max-width: 640px; }
.max-w-2xl { max-width: 768px; }
.max-w-3xl { max-width: 900px; }
.max-w-4xl { max-width: 1024px; }
.max-w-5xl { max-width: 1200px; }
.max-w-6xl { max-width: 1400px; }

.min-w-0 { min-width: 0; }
.min-w-full { min-width: 100%; }
.min-w-[200px] { min-width: 200px; }
.min-w-[240px] { min-width: 240px; }
.min-w-[280px] { min-width: 280px; }

.h-full { height: 100%; }
.h-auto { height: auto; }
.h-8 { height: 32px; }
.h-10 { height: 40px; }
.h-12 { height: 48px; }
.h-16 { height: 64px; }

/* ===== 定位工具类 ===== */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.top-0 { top: 0; }
.top-4 { top: 16px; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }

.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }
.z-100 { z-index: 100; }

/* ===== 其他工具类 ===== */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }

.opacity-0 { opacity: 0; }
.opacity-25 { opacity: .25; }
.opacity-50 { opacity: .5; }
.opacity-75 { opacity: .75; }
.opacity-100 { opacity: 1; }

.transition { transition: all .2s ease; }
.transition-fast { transition: all .15s ease; }
.transition-slow { transition: all .3s ease; }

.transform { transform: var(--transform); }
.scale-105 { transform: scale(1.05); }
.scale-100 { transform: scale(1); }
.scale-95 { transform: scale(0.95); }

.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* ===== Animations ===== */
.animate-fade-in { animation: fadeIn 0.3s ease-in-out; }
.animate-slide-in { animation: slideIn 0.3s ease-out; }
.animate-slide-up { animation: slideUp 0.3s ease-out; }
.animate-pulse { animation: pulse 2s cubic-bezier(0.4,0,0.6,1) infinite; }
.animate-bounce { animation: bounce 0.5s ease-in-out; }
.animate-scale-in { animation: scaleIn 0.2s ease-out; }
.animate-slide-right { animation: slideRight 0.3s ease-out; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideRight {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: .5; }
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to   { opacity: 1; transform: scale(1); }
}
@keyframes fadeOut {
    from { opacity: 1; transform: translateX(0); }
    to   { opacity: 0; transform: translateX(20px); }
}

/* ============================================================
   Layout 布局结构
   ============================================================ */
.app { min-height: 100vh; background-color: var(--surface); }

/* Mobile Header */
.mobile-header {
    position: fixed; top: 0; left: 0; right: 0;
    height: 56px;
    background-color: var(--primary);
    z-index: 50;
    display: none;
    align-items: center;
    padding: 0 16px;
    color: #fff;
    box-shadow: var(--shadow-md);
}
.mobile-header .menu-btn {
    background: transparent; border: none; color: #fff;
    padding: 8px; margin-left: -8px; font-size: 22px; line-height: 1;
    transition: opacity .2s;
}
.mobile-header .menu-btn:hover { opacity: .8; }
.mobile-header .mobile-title { color: #fff; font-weight: 500; margin-left: 8px; font-size: 15px; }

/* Sidebar Overlay */
.sidebar-overlay {
    position: fixed; inset: 0;
    background-color: rgba(0,0,0,.5);
    z-index: 40;
    display: none;
}

/* Sidebar */
.sidebar {
    position: fixed; top: 0; left: 0;
    width: 256px;
    height: 100%;
    background-color: var(--primary);
    color: #fff;
    z-index: 40;
    overflow-y: auto;
    transition: transform .3s ease;
    box-shadow: var(--shadow-lg);
}
.sidebar-logo {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,.1);
}
.sidebar-logo h1 {
    font-size: 18px; font-weight: 700; color: #fff;
    display: flex; align-items: center; gap: 10px;
}
.sidebar-logo h1 .logo-icon { color: var(--accent); font-size: 24px; }
.sidebar-logo p { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 6px; }

.nav { padding: 20px; display: flex; flex-direction: column; gap: 4px; }
.nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 14px;
    border-radius: 10px;
    color: rgba(255,255,255,.7);
    font-size: 14px;
    transition: all .2s;
}
.nav-item:hover {
    background-color: rgba(255,255,255,.1);
    color: #fff;
    text-decoration: none;
}
.nav-item.active {
    background-color: rgba(255,255,255,.2);
    color: #fff;
}
.nav-item .icon {
    width: 20px; height: 20px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 16px; flex-shrink: 0;
}

/* Main Content */
.main {
    min-height: 100vh;
    transition: margin-left .3s ease, padding-top .3s ease;
}

/* Desktop Header */
.topbar {
    height: 56px;
    background-color: var(--bg-topbar);
    border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 24px;
    position: sticky; top: 0;
    z-index: 30;
}
.topbar .breadcrumb {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; color: var(--gray-500);
}
.topbar .breadcrumb .sep { color: var(--gray-400); }
.topbar .breadcrumb .current { color: var(--gray-700); font-weight: 500; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-right .user-name { font-size: 13px; color: var(--gray-500); }

/* Stock Warning */
.stock-warning {
    position: relative;
    display: flex; align-items: center; gap: 8px;
    padding: 6px 12px;
    border-radius: 8px;
    transition: background-color .2s;
    color: var(--gray-400);
}
.stock-warning:hover { background-color: var(--gray-100); text-decoration: none; }
.stock-warning.has-warn { color: var(--danger); }
.stock-warning .warn-count { font-size: 13px; font-weight: 500; }
.stock-warning .warn-text { font-size: 12px; color: var(--gray-500); }
.stock-warning .warn-dot {
    position: absolute; top: -2px; right: -2px;
    width: 10px; height: 10px;
    background-color: var(--danger);
    border: 2px solid #fff;
    border-radius: 9999px;
    animation: pulse 2s cubic-bezier(0.4,0,0.6,1) infinite;
}

/* Warning Dropdown */
.warning-dropdown {
    position: absolute; right: 0; top: calc(100% + 8px);
    width: 320px;
    background-color: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    z-index: 50;
    overflow: hidden;
    display: none;
}
.warning-dropdown.show { display: block; animation: fadeIn .2s ease; }
.warning-dropdown .dd-head {
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-200);
    background-color: #fef2f2;
    display: flex; align-items: center; gap: 8px;
}
.warning-dropdown .dd-head .t { font-weight: 600; color: var(--danger); font-size: 14px; }
.warning-dropdown .dd-list { max-height: 320px; overflow-y: auto; }
.warning-dropdown .dd-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-100);
    transition: background-color .15s;
}
.warning-dropdown .dd-item:last-child { border-bottom: none; }
.warning-dropdown .dd-item:hover { background-color: var(--gray-50); text-decoration: none; }
.warning-dropdown .dd-item .name { font-weight: 500; color: var(--gray-800); font-size: 13px; }
.warning-dropdown .dd-item .cat { font-size: 12px; color: var(--gray-500); }
.warning-dropdown .dd-item .qty { color: var(--danger); font-weight: 600; font-size: 13px; }
.warning-dropdown .dd-foot {
    padding: 8px 16px;
    border-top: 1px solid var(--gray-200);
    background-color: var(--gray-50);
    text-align: center;
}
.warning-dropdown .dd-foot a { font-size: 13px; color: var(--primary); font-weight: 500; }

/* Page Content */
.content { padding: 24px; }
.content-inner { max-width: 1600px; margin: 0 auto; }

/* ============================================================
   Cards
   ============================================================ */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    transition: box-shadow .2s;
}
.card:hover { box-shadow: var(--shadow-md); }
.card-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-100);
}
.card-header:last-child { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }
.card-title { font-size: 16px; font-weight: 600; color: var(--gray-800); }
.card-subtitle { font-size: 13px; color: var(--gray-500); }

/* ============================================================
   Stats Grid
   ============================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}
.stat-card {
    background-color: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 24px;
    display: flex; align-items: center; justify-content: space-between;
    transition: all .2s;
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute; top: 0; left: 0;
    width: 4px; height: 100%;
    background: var(--primary);
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.stat-card.highlight { box-shadow: 0 0 0 2px #fecaca; border-color: #fca5a5; }
.stat-card.highlight::before { background: var(--danger); }
.stat-card .label { font-size: 13px; color: var(--gray-500); margin-bottom: 4px; }
.stat-card .value { font-size: 30px; font-weight: 700; color: var(--gray-800); line-height: 1.2; }
.stat-card .value.text-danger { color: var(--danger); }
.stat-card .icon-box {
    padding: 12px;
    border-radius: 12px;
    color: #fff;
    font-size: 22px;
    display: inline-flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.icon-box.blue   { background-color: var(--blue); }
.icon-box.green  { background-color: var(--green); }
.icon-box.orange { background-color: var(--orange); }
.icon-box.red    { background-color: var(--red); }
.icon-box.purple { background-color: var(--purple); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.5;
    cursor: pointer;
    transition: all .2s;
    text-decoration: none;
    background-color: transparent;
}
.btn:hover { text-decoration: none; }
.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.btn-primary:hover { background-color: var(--primary-dark); border-color: var(--primary-dark); color: #fff; box-shadow: var(--shadow); }
.btn-danger {
    background-color: var(--danger);
    border-color: var(--danger);
    color: #fff;
}
.btn-danger:hover { background-color: #c0392b; border-color: #c0392b; color: #fff; box-shadow: var(--shadow); }
.btn-success {
    background-color: var(--green);
    border-color: var(--green);
    color: #fff;
}
.btn-success:hover { background-color: #16a34a; border-color: #16a34a; color: #fff; box-shadow: var(--shadow); }
.btn-warning {
    background-color: var(--orange);
    border-color: var(--orange);
    color: #fff;
}
.btn-warning:hover { background-color: #ea580c; border-color: #ea580c; color: #fff; box-shadow: var(--shadow); }
.btn-outline {
    background-color: #fff;
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
}
.btn-outline:hover { background-color: var(--gray-100); color: var(--gray-800); border-color: var(--gray-400); }
.btn-ghost {
    background-color: transparent;
    color: var(--gray-600);
    border: none;
}
.btn-ghost:hover { background-color: var(--gray-100); color: var(--gray-800); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }
.btn:disabled, .btn.disabled { opacity: .5; cursor: not-allowed; pointer-events: none; }

/* ============================================================
   Forms
   ============================================================ */
.form-group { margin-bottom: 16px; }
.form-label {
    display: block; margin-bottom: 6px;
    font-weight: 500; font-size: 14px;
    color: var(--gray-700);
}
.form-label .req { color: var(--danger); margin-left: 2px; }
.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-primary);
    background-color: var(--bg-input);
    transition: border-color .2s, box-shadow .2s;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(30,58,95,.2);
}
.form-control:hover { border-color: var(--primary-light); }
.form-control:disabled, .form-control.readonly { background-color: var(--gray-50); color: var(--gray-500); cursor: not-allowed; }
.form-row { display: flex; flex-wrap: wrap; gap: 16px; }
.form-row > .form-group { flex: 1; min-width: 200px; }
.form-actions {
    display: flex; gap: 12px; justify-content: flex-end;
    padding-top: 16px;
    border-top: 1px solid var(--gray-100);
}
select.form-control { cursor: pointer; padding-right: 32px; }
textarea.form-control { resize: vertical; min-height: 80px; }
input[type="checkbox"].form-control,
input[type="radio"].form-control { width: auto; }

/* ============================================================
   Tables
   ============================================================ */
.table-wrap {
    overflow-x: auto;
    background-color: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    -webkit-overflow-scrolling: touch;
}
table { width: 100%; border-collapse: collapse; }
th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--gray-100);
    white-space: nowrap;
}
th {
    background-color: var(--gray-50);
    font-weight: 600;
    font-size: 13px;
    color: var(--gray-600);
    position: sticky;
    top: 0;
    z-index: 1;
}
tbody tr { transition: background-color .15s; }
tbody tr:hover td { background-color: var(--gray-50); }
tbody tr:last-child td { border-bottom: none; }
td .btn { margin-right: 4px; }
td .btn:last-child { margin-right: 0; }
.table-empty { text-align: center; padding: 40px; color: var(--gray-400); }
.table-num { text-align: right; font-variant-numeric: tabular-nums; font-weight: 500; }

/* ============================================================
   Badges
   ============================================================ */
.badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 2px 10px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 500;
    line-height: 20px;
}
.badge-success { background-color: #dcfce7; color: #15803d; }
.badge-warning { background-color: #fef9c3; color: #a16207; }
.badge-danger  { background-color: #fee2e2; color: #b91c1c; }
.badge-info    { background-color: #dbeafe; color: #1d4ed8; }
.badge-primary { background-color: #dbeafe; color: var(--primary); }
.badge-pending { background-color: #fef9c3; color: #a16207; }
.badge-completed { background-color: #dcfce7; color: #15803d; }
.badge-gray    { background-color: var(--gray-100); color: var(--gray-600); }
.badge-indigo  { background-color: #e0e7ff; color: #4338ca; }

/* ============================================================
   Progress
   ============================================================ */
.progress {
    height: 8px;
    background-color: var(--gray-100);
    border-radius: 9999px;
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    background-color: var(--primary);
    border-radius: 9999px;
    transition: width .3s;
}
.progress-bar.success { background-color: var(--green); }
.progress-bar.warning { background-color: var(--orange); }
.progress-bar.danger  { background-color: var(--danger); }
.progress-bar.gradient { background: linear-gradient(90deg, var(--blue), var(--purple)); }

/* ============================================================
   Modal
   ============================================================ */
.modal-overlay {
    position: fixed; inset: 0;
    background-color: rgba(0,0,0,.5);
    display: flex; align-items: center; justify-content: center;
    padding: 16px;
    z-index: 200;
}
.modal {
    background-color: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow: hidden;
    display: flex; flex-direction: column;
    animation: fadeIn .3s ease;
}
.modal.modal-sm { max-width: 384px; }
.modal.modal-md { max-width: 480px; }
.modal.modal-lg { max-width: 672px; }
.modal.modal-xl { max-width: 896px; }
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--gray-200);
}
.modal-title { font-size: 18px; font-weight: 600; color: var(--gray-800); }
.modal-close {
    background: transparent; border: none;
    padding: 4px; border-radius: 6px;
    color: var(--gray-500);
    transition: background-color .15s;
}
.modal-close:hover { background-color: var(--gray-100); }
.modal-body { padding: 16px; overflow-y: auto; flex: 1; }
.modal-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--gray-200);
    display: flex; justify-content: flex-end; gap: 8px;
}

/* ============================================================
   Toast
   ============================================================ */
.toast-container {
    position: fixed; top: 16px; right: 16px;
    z-index: 9999;
    display: flex; flex-direction: column; gap: 8px;
    max-width: 360px;
}
.toast {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 12px 16px;
    border-radius: 8px;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: slideIn .3s ease;
    min-width: 240px;
}
.toast .toast-icon { flex-shrink: 0; font-size: 18px; line-height: 1.4; }
.toast .toast-msg  { flex: 1; }
.toast .toast-close {
    background: transparent; border: none;
    color: rgba(255,255,255,.7);
    cursor: pointer; padding: 0; font-size: 16px; line-height: 1;
}
.toast .toast-close:hover { color: #fff; }
.toast-success { background-color: var(--green); }
.toast-error   { background-color: var(--danger); }
.toast-info    { background-color: var(--primary); }
.toast-warning { background-color: var(--orange); }
.toast.toast-out { animation: fadeOut .25s ease forwards; }

/* ============================================================
   Alert
   ============================================================ */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    border: 1px solid;
    font-size: 14px;
    display: flex; align-items: center; gap: 12px;
}
.alert-warning { background-color: #fffbeb; border-color: #fde68a; color: #92400e; }
.alert-danger  { background-color: #fef2f2; border-color: #fecaca; color: #991b1b; }
.alert-info    { background-color: #eff6ff; border-color: #bfdbfe; color: #1e40af; }
.alert-success { background-color: #f0fdf4; border-color: #bbf7d0; color: #166534; }

/* ============================================================
   Plan / Task Cards
   ============================================================ */
.plan-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.plan-card {
    background-color: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 16px;
    border-left: 4px solid var(--primary);
    transition: all .2s;
    cursor: pointer;
}
.plan-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.plan-card.completed { border-left-color: var(--green); }
.plan-card .plan-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
.plan-card .plan-title { font-weight: 600; font-size: 15px; color: var(--gray-800); }
.plan-card .plan-meta { font-size: 13px; color: var(--gray-500); margin: 4px 0; }
.plan-card .plan-progress { margin-top: 12px; }
.plan-card .plan-actions { margin-top: 12px; display: flex; gap: 6px; flex-wrap: wrap; }

.task-card {
    background-color: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 8px;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 8px;
    transition: all .2s;
}
.task-card:hover { border-color: var(--primary-light); box-shadow: var(--shadow-sm); }
.task-card .task-info { flex: 1; min-width: 200px; }
.task-card .task-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* ============================================================
   Shift Tabs
   ============================================================ */
.shift-tabs {
    display: flex;
    margin-bottom: 16px;
    border-bottom: 2px solid var(--gray-100);
}
.shift-tab {
    padding: 10px 20px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    font-weight: 500;
    color: var(--gray-500);
    background: transparent;
    border-top: none; border-left: none; border-right: none;
    font-size: 14px;
    transition: color .15s;
}
.shift-tab:hover { color: var(--primary); }
.shift-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ============================================================
   Empty State
   ============================================================ */
.empty { text-align: center; padding: 40px 20px; color: var(--gray-400); }
.empty .icon { font-size: 48px; margin-bottom: 12px; }
.empty p { font-size: 14px; }

/* ============================================================
   Page Header
   ============================================================ */
.page-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap; gap: 12px;
}
.page-header h1 { font-size: 22px; font-weight: 700; color: var(--gray-800); }
.page-header p { font-size: 13px; color: var(--gray-500); margin-top: 4px; }
.page-header .actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ============================================================
   Responsive
   ============================================================ */

/* 超小屏幕 (<320px) */
@media (max-width: 319px) {
    .content { padding: 8px; }
    .mobile-header .mobile-title { font-size: 13px; }
    .page-header h1 { font-size: 16px; }
    .stat-card { padding: 12px; }
    .stat-card .value { font-size: 20px; }
}

/* 小屏幕 (320px - 479px) */
@media (min-width: 320px) and (max-width: 479px) {
    .content { padding: 12px; }
    .page-header h1 { font-size: 18px; }
    .page-header .actions .btn { flex: 1; min-width: 100px; }
    .stat-card .value { font-size: 24px; }
    .stat-card { padding: 16px; }
    .btn { padding: 6px 12px; font-size: 13px; }
    .btn-lg { padding: 10px 20px; font-size: 14px; }
    .card { padding: 16px; }
    th, td { padding: 6px 8px; font-size: 12px; }
    .stats-grid { grid-template-columns: 1fr; gap: 12px; }
    .plan-grid { grid-template-columns: 1fr; }
}

/* 平板端 (480px - 767px) */
@media (min-width: 480px) and (max-width: 767px) {
    .content { padding: 16px; }
    .page-header h1 { font-size: 20px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .plan-grid { grid-template-columns: repeat(2, 1fr); }
    .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
    th, td { padding: 8px 10px; font-size: 13px; }
}

/* 小屏/平板端 (<768px) */
@media (max-width: 767px) {
    .mobile-header { display: flex; }
    .sidebar { transform: translateX(-100%); top: 0; }
    .sidebar.open { transform: translateX(0); }
    .sidebar.open ~ .sidebar-overlay { display: block; }
    .main { padding-top: 56px; margin-left: 0; }
    .content-inner { max-width: 100%; }
    .form-row { flex-direction: column; }
    .form-row > .form-group { min-width: 100%; }
    .topbar { padding: 0 16px; }
    .topbar-right .warn-text { display: none; }
    .modal { max-width: 95vw; }
    .warning-dropdown { width: 280px; }
    .grid-cols-2, .grid-cols-3, .grid-cols-4, .grid-cols-5, .grid-cols-6 { grid-template-columns: 1fr; }
    .col-span-2, .col-span-3, .col-span-4, .col-span-5, .col-span-6 { grid-column: span 1; }
    .page-header .actions { width: 100%; justify-content: flex-start; }
}

/* 桌面端 (>=768px) */
@media (min-width: 768px) {
    .sidebar { transform: translateX(0); }
    .main { margin-left: 256px; }
    .mobile-header { display: none !important; }
    .sidebar-overlay { display: none !important; }
}

/* 大屏幕 (>=1024px) */
@media (min-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
    .plan-grid { grid-template-columns: repeat(3, 1fr); }
    .content { padding: 32px; }
}

/* 超大屏幕 (>=1200px) */
@media (min-width: 1200px) {
    .content-inner { max-width: 1400px; }
}

/* ============================================================
   IE 兼容
   ============================================================ */
@media screen and (-ms-high-contrast: active), screen and (-ms-high-contrast: none) {
    .flex { display: -ms-flexbox; }
    .flex-col { -ms-flex-direction: column; }
    .flex-row { -ms-flex-direction: row; }
    .flex-wrap { -ms-flex-wrap: wrap; }
    .items-center { -ms-flex-align: center; }
    .justify-between { -ms-flex-pack: justify; }
    .flex-1 { -ms-flex: 1; }
    .grid { display: -ms-grid; }
    .grid-cols-2 { -ms-grid-columns: 1fr 1fr; }
    .grid-cols-4 { -ms-grid-columns: 1fr 1fr 1fr 1fr; }
}

/* ===== 页脚 ===== */
.app-footer {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 8px;
    padding: 16px 24px;
    margin-top: 24px;
    border-top: 1px solid var(--border-color);
    font-size: 12px; color: var(--text-secondary);
}
.app-footer .footer-sep { margin: 0 6px; opacity: .5; }
.app-footer .footer-hint kbd {
    display: inline-block;
    padding: 1px 6px;
    background: var(--gray-100);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 11px;
    font-family: monospace;
    color: var(--text-primary);
}
[data-theme="dark"] .app-footer .footer-hint kbd { background: var(--gray-200); }

@media (max-width: 767px) {
    .app-footer { flex-direction: column; text-align: center; gap: 6px; }
    .app-footer .footer-hint { display: none; }
}

/* ===== 表格斑马纹 ===== */
.table-wrap tbody tr:nth-child(even):not(.grp):not(.empty-row):not(.sub-row) td,
.mtbl tbody tr:nth-child(even):not(.empty-row) td,
.ptbl tbody tr:nth-child(even):not(.grp):not(.empty-row) td {
    background-color: rgba(0, 0, 0, 0.02);
}
[data-theme="dark"] .table-wrap tbody tr:nth-child(even):not(.grp):not(.empty-row):not(.sub-row) td,
[data-theme="dark"] .mtbl tbody tr:nth-child(even):not(.empty-row) td,
[data-theme="dark"] .ptbl tbody tr:nth-child(even):not(.grp):not(.empty-row) td {
    background-color: rgba(255, 255, 255, 0.03);
}