/* ============================================================
   小微进销存 - 样式(浅色主题)
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #eef2ff;
    --bg: #f5f6fa;
    --card: #ffffff;
    --border: #e5e7eb;
    --border-light: #f0f1f5;
    --text: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --success: #059669;
    --success-light: #ecfdf5;
    --warning: #b45309;
    --warning-light: #fffbeb;
    --danger: #dc2626;
    --danger-light: #fef2f2;
    --info: #0369a1;
    --info-light: #f0f9ff;
    --sidebar-w: 230px;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 1px 2px rgba(16, 24, 40, .04);
    --shadow-lg: 0 10px 30px rgba(16, 24, 40, .12);
}

html { font-size: 14px; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: none; }
.icon { flex: none; vertical-align: middle; }

/* ---------- 布局 ---------- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
    width: var(--sidebar-w);
    background: var(--card);
    border-right: 1px solid var(--border);
    position: fixed; top: 0; bottom: 0; left: 0;
    display: flex; flex-direction: column;
    z-index: 100;
}
.brand {
    display: flex; align-items: center; gap: 10px;
    padding: 16px 18px;
    border-bottom: 1px solid var(--border-light);
}
.brand-logo {
    width: 36px; height: 36px; border-radius: 10px;
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: #fff; font-weight: 700; font-size: 17px;
    display: grid; place-items: center;
}
.brand-name { font-weight: 700; font-size: 15px; }
.brand-sub { font-size: 11px; color: var(--text-muted); max-width: 130px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav { flex: 1; overflow-y: auto; padding: 8px 12px 16px; }
.nav-group { font-size: 11px; color: var(--text-muted); padding: 14px 10px 6px; letter-spacing: .06em; }
.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 10px; margin-bottom: 2px;
    border-radius: 8px; color: #4b5563; font-size: 13.5px;
    transition: background .12s, color .12s;
}
.nav-item:hover { background: #f3f4f6; color: #111827; }
.nav-item.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.sidebar-foot { padding: 12px 18px; border-top: 1px solid var(--border-light); font-size: 11px; color: var(--text-muted); }

.main { flex: 1; margin-left: var(--sidebar-w); display: flex; flex-direction: column; min-width: 0; }
.topbar {
    height: 56px; background: var(--card);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 24px;
    position: sticky; top: 0; z-index: 50;
}
.topbar-title { font-size: 15px; font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.user-chip {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 13px; color: var(--text-secondary);
    background: #f3f4f6; padding: 5px 12px; border-radius: 999px;
}
.content { padding: 24px; flex: 1; }
.footer {
    padding: 14px 24px; font-size: 12px; color: var(--text-muted);
    border-top: 1px solid var(--border); background: var(--card);
}

/* ---------- 页面标题 ---------- */
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-title { font-size: 20px; font-weight: 700; }
.page-desc { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }
.page-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- 卡片 ---------- */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card + .card { margin-top: 18px; }
.card-header {
    padding: 14px 20px; border-bottom: 1px solid var(--border-light);
    display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.card-title { font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.card-body { padding: 20px; }
.card-body.tight { padding: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 18px; }
.grid-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: 18px; }

/* ---------- 统计卡片 ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 18px; }
.stat-card {
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 18px 20px; box-shadow: var(--shadow);
    display: flex; align-items: flex-start; gap: 14px;
}
.stat-icon {
    width: 42px; height: 42px; border-radius: 10px;
    display: grid; place-items: center; flex: none;
}
.stat-icon.indigo { background: var(--primary-light); color: var(--primary); }
.stat-icon.rose { background: #fff1f2; color: #e11d48; }
.stat-icon.emerald { background: var(--success-light); color: var(--success); }
.stat-icon.amber { background: var(--warning-light); color: var(--warning); }
.stat-label { font-size: 13px; color: var(--text-secondary); }
.stat-value { font-size: 22px; font-weight: 700; margin-top: 2px; font-variant-numeric: tabular-nums; }
.stat-extra { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 8px 16px; border-radius: 8px;
    border: 1px solid var(--border); background: var(--card);
    color: var(--text); font-size: 13.5px; font-weight: 500;
    cursor: pointer; transition: all .12s; white-space: nowrap;
    font-family: inherit;
}
.btn:hover { background: #f9fafb; border-color: #d1d5db; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; border-color: #b91c1c; }
.btn-success { background: var(--success); border-color: var(--success); color: #fff; }
.btn-success:hover { background: #047857; }
.btn-ghost { border-color: transparent; background: transparent; }
.btn-ghost:hover { background: #f3f4f6; }
.btn-sm { padding: 5px 12px; font-size: 12.5px; }
.btn-lg { padding: 11px 24px; font-size: 15px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-link { border: none; background: none; color: var(--primary); padding: 4px 6px; cursor: pointer; font-size: 13px; font-family: inherit; }
.btn-link:hover { text-decoration: underline; background: none; }
.btn-link.danger { color: var(--danger); }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; }
.table th {
    text-align: left; font-size: 12px; font-weight: 600; color: var(--text-secondary);
    text-transform: uppercase; letter-spacing: .04em;
    padding: 10px 14px; border-bottom: 1px solid var(--border);
    background: #fafbfc; white-space: nowrap;
}
.table td { padding: 11px 14px; border-bottom: 1px solid var(--border-light); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #fafbfc; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.table .center { text-align: center; }
.table .strong { font-weight: 600; }
.table .mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12.5px; }
.table tfoot td { font-weight: 700; background: #fafbfc; border-top: 2px solid var(--border); }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px 16px; }
.form-grid .col-2 { grid-column: span 2; }
.form-grid .col-3 { grid-column: span 3; }
.form-grid .col-4 { grid-column: span 4; }
.form-item { display: flex; flex-direction: column; gap: 5px; }
.form-label { font-size: 12.5px; font-weight: 600; color: #374151; }
.form-label .req { color: var(--danger); margin-left: 2px; }
.form-input, .form-select, .form-textarea {
    width: 100%; padding: 8px 12px;
    border: 1px solid var(--border); border-radius: 8px;
    font-size: 13.5px; font-family: inherit; color: var(--text);
    background: #fff; transition: border-color .12s, box-shadow .12s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, .12);
}
.form-input:disabled, .form-select:disabled { background: #f3f4f6; color: var(--text-muted); }
.form-textarea { resize: vertical; min-height: 70px; }
.form-hint { font-size: 12px; color: var(--text-muted); }
.filter-bar {
    display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end;
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 14px 16px; margin-bottom: 16px; box-shadow: var(--shadow);
}
.filter-bar .form-item { min-width: 150px; }
.filter-bar .grow { flex: 1; min-width: 180px; }

/* ---------- 徽章 ---------- */
.badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 2px 9px; border-radius: 999px;
    font-size: 12px; font-weight: 600; white-space: nowrap;
}
.badge.gray { background: #f3f4f6; color: #4b5563; }
.badge.indigo { background: var(--primary-light); color: var(--primary); }
.badge.emerald { background: var(--success-light); color: var(--success); }
.badge.rose { background: #fff1f2; color: #e11d48; }
.badge.amber { background: var(--warning-light); color: var(--warning); }
.badge.sky { background: var(--info-light); color: var(--info); }
.badge.danger { background: var(--danger-light); color: var(--danger); }

/* ---------- 提示条 ---------- */
.alert {
    padding: 11px 16px; border-radius: 8px; font-size: 13.5px; margin-bottom: 14px;
    border: 1px solid; display: flex; align-items: center; gap: 8px;
}
.alert-success { background: var(--success-light); border-color: #a7f3d0; color: #065f46; }
.alert-error { background: var(--danger-light); border-color: #fecaca; color: #991b1b; }
.alert-warning { background: var(--warning-light); border-color: #fde68a; color: #92400e; }
.alert-info { background: var(--info-light); border-color: #bae6fd; color: #075985; }

/* ---------- 明细行表格 ---------- */
.items-table input, .items-table select { min-width: 0; }
.items-table .form-input, .items-table .form-select { padding: 6px 10px; font-size: 13px; }
.items-table th { background: #fafbfc; }
.items-table td { padding: 8px 10px; }
.items-table .row-amount { font-variant-numeric: tabular-nums; font-weight: 600; white-space: nowrap; }
.items-table .stock-hint { display: block; margin-top: 3px; }
.items-table tr.row-error { background: #fef2f2; }
.items-table tr.row-error .form-input,
.items-table tr.row-error .form-select { border-color: var(--danger); }
.stock-hint { font-size: 12px; color: var(--text-muted); }
.stock-hint.low { color: var(--danger); font-weight: 600; }
.total-bar {
    display: flex; justify-content: flex-end; align-items: baseline; gap: 10px;
    padding: 14px 20px; border-top: 1px solid var(--border-light);
    font-size: 14px;
}
.total-bar .amount { font-size: 22px; font-weight: 700; color: var(--primary); font-variant-numeric: tabular-nums; }

/* ---------- 空状态 ---------- */
.empty { padding: 48px 20px; text-align: center; color: var(--text-muted); }
.empty .icon { width: 40px; height: 40px; margin-bottom: 10px; opacity: .5; }
.empty p { font-size: 13.5px; }

/* ---------- 登录页 ---------- */
.login-page {
    min-height: 100vh; display: grid; place-items: center;
    background: linear-gradient(160deg, #eef2ff 0%, #f5f6fa 45%, #fdf2f8 100%);
    padding: 24px;
}
.login-card {
    width: 100%; max-width: 400px;
    background: #fff; border-radius: 16px; box-shadow: var(--shadow-lg);
    padding: 36px 36px 30px;
}
.login-logo {
    width: 52px; height: 52px; border-radius: 14px;
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: #fff; font-size: 24px; font-weight: 700;
    display: grid; place-items: center; margin-bottom: 18px;
}
.login-title { font-size: 21px; font-weight: 700; }
.login-sub { font-size: 13px; color: var(--text-secondary); margin: 4px 0 24px; }
.login-tip {
    margin-top: 18px; padding: 10px 14px; border-radius: 8px;
    background: var(--info-light); color: var(--info); font-size: 12.5px;
    border: 1px solid #bae6fd;
}

/* ---------- 图表 ---------- */
.chart-box svg { width: 100%; height: auto; display: block; }
.chart-legend { display: flex; gap: 18px; font-size: 12.5px; color: var(--text-secondary); }
.chart-legend .dot { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

/* ---------- Toast ---------- */
#toast-root { position: fixed; top: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.toast {
    display: flex; align-items: center; gap: 10px;
    background: #fff; border: 1px solid var(--border); border-radius: 10px;
    box-shadow: var(--shadow-lg); padding: 12px 18px;
    font-size: 13.5px; min-width: 220px; max-width: 360px;
    animation: toast-in .25s ease;
}
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--info); }
.toast.hiding { opacity: 0; transform: translateX(20px); transition: all .3s; }
@keyframes toast-in { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: none; } }

/* ---------- 弹窗 ---------- */
#modal-root:empty { display: none; }
.modal-overlay {
    position: fixed; inset: 0; background: rgba(17, 24, 39, .45);
    display: grid; place-items: center; z-index: 1000; padding: 24px;
    animation: fade-in .15s ease;
}
.modal {
    background: #fff; border-radius: 14px; box-shadow: var(--shadow-lg);
    width: 100%; max-width: 560px; max-height: 88vh; overflow: auto;
    animation: pop-in .18s ease;
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 22px; border-bottom: 1px solid var(--border-light);
    font-size: 15.5px; font-weight: 700;
}
.modal-close { border: none; background: none; font-size: 20px; color: var(--text-muted); cursor: pointer; padding: 0 4px; line-height: 1; }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 22px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 22px; border-top: 1px solid var(--border-light); }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop-in { from { opacity: 0; transform: scale(.96) translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- 选项卡 ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; }
.tab {
    padding: 9px 18px; font-size: 13.5px; font-weight: 500; color: var(--text-secondary);
    border: none; background: none; cursor: pointer; border-bottom: 2px solid transparent;
    margin-bottom: -1px; font-family: inherit;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* ---------- 详情页 ---------- */
.detail-head {
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 20px 24px; margin-bottom: 18px; box-shadow: var(--shadow);
    display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
}
.detail-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px 24px; }
.detail-grid .k { font-size: 12px; color: var(--text-muted); }
.detail-grid .v { font-size: 14px; font-weight: 600; margin-top: 1px; }
.detail-actions { display: flex; gap: 10px; align-items: flex-start; }

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .form-grid { grid-template-columns: repeat(2, 1fr); }
    .form-grid .col-3, .form-grid .col-4 { grid-column: span 2; }
    .grid-2, .grid-2-1, .grid-1-2 { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
    .sidebar { transform: translateX(-100%); }
    .main { margin-left: 0; }
    .stat-grid { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 打印样式 ---------- */
/* 屏幕上隐藏, 仅打印时显示 */
.print-only { display: none !important; }

@media print {
    @page { size: A4; margin: 14mm 12mm; }

    html, body { background: #fff !important; }
    body { color: #000; font-size: 12px; }

    /* 隐藏界面框架元素 */
    .sidebar, .topbar, .footer, .page-actions, .alert,
    #toast-root, #modal-root, .filter-bar { display: none !important; }
    /* 屏幕页头与打印抬头重复, 打印时隐藏 */
    .page-head { display: none !important; }

    /* 隐藏内部数据(成本/毛利), 给客户看的单子不显示 */
    .print-hide { display: none !important; }

    /* 打印专用元素显示 */
    .print-only { display: block !important; }

    .layout { display: block; min-height: 0; }
    .main { margin-left: 0; display: block; }
    .content { padding: 0; flex: none; }

    /* 打印抬头 */
    .print-head { text-align: center; margin-bottom: 16px; }
    .print-company { font-size: 16px; font-weight: 700; letter-spacing: 1px; }
    .print-title { font-size: 22px; font-weight: 700; letter-spacing: 8px; margin: 8px 0 6px; }
    .print-meta { font-size: 11px; color: #333; }

    /* 单据信息区 */
    .detail-head {
        border: 1px solid #333; border-radius: 0; box-shadow: none;
        padding: 10px 12px; margin-bottom: 12px;
    }
    .detail-grid { grid-template-columns: repeat(4, 1fr); gap: 8px 16px; }
    .detail-grid .k { font-size: 10px; color: #555; }
    .detail-grid .v { font-size: 12px; font-weight: 600; margin-top: 0; }

    /* 明细表: 去掉卡片外壳, 表格加实线边框 */
    .card { border: none; border-radius: 0; box-shadow: none; }
    .card + .card { margin-top: 0; }
    .card-header { display: none; }
    .card-body { padding: 0; }
    .table { width: 100%; }
    .table th, .table td {
        border: 1px solid #333 !important; padding: 6px 8px;
    }
    .table thead th {
        background: #f2f2f2 !important; color: #000; font-size: 11px;
        -webkit-print-color-adjust: exact; print-color-adjust: exact;
    }
    .table tbody tr:hover { background: transparent; }
    .table .strong { font-weight: 600; }

    /* 签收区 */
    .print-sign {
        display: flex !important; justify-content: space-between;
        margin-top: 40px; font-size: 12px; color: #000;
    }

    /* 分页控制: 行不被拆断 */
    tr { page-break-inside: avoid; }
    thead { display: table-header-group; }
}