/* ============================================================
   极简 ERP — erp.css
   设计原则：只有一层信息层级，靠留白与 1px 分割线组织，
   不用阴影堆叠、不用渐变；强调色只用于「主操作」与「需要警惕的数字」。
   ============================================================ */
:root {
    --erp-bg: #ffffff;
    --erp-bg-soft: #fafafa;
    --erp-line: #e8e8e8;
    --erp-line-strong: #d8d8d8;
    --erp-text: #1f2328;
    --erp-muted: #8b8b8b;
    --erp-primary: #2563eb;
    --erp-primary-soft: #eff4ff;
    --erp-danger: #dc2626;
    --erp-danger-soft: #fef2f2;
    --erp-ok: #16a34a;
    --erp-warn: #d97706;
    --erp-radius: 6px;
}
@media (prefers-color-scheme: dark) {
    :root {
        --erp-bg: #16181c;
        --erp-bg-soft: #1c1f24;
        --erp-line: #2a2e35;
        --erp-line-strong: #3a3f47;
        --erp-text: #e6e8eb;
        --erp-muted: #8b929c;
        --erp-primary: #5b8cff;
        --erp-primary-soft: #1e2740;
        --erp-danger: #f87171;
        --erp-danger-soft: #33201f;
        --erp-ok: #4ade80;
        --erp-warn: #fbbf24;
    }
}

.erp {
    max-width: none;
    margin: 0;
    padding: 0 20px 64px;
    box-sizing: border-box;
    color: var(--erp-text);
    font-size: 14px;
    line-height: 1.6;
    -webkit-text-size-adjust: 100%;
}
.erp *, .erp *::before, .erp *::after { box-sizing: border-box; }
.erp [hidden] { display: none !important; }

/* ---------------- 未登录 ---------------- */
.erp-login { display: flex; justify-content: center; padding: 80px 16px; }
.erp-login-box { max-width: 420px; text-align: center; }
.erp-login-box h1 { font-size: 26px; margin: 0 0 8px; letter-spacing: .5px; }
.erp-login-box p { color: var(--erp-muted); margin: 0 0 20px; }
.erp-btn-primary,
.erp-login-box .erp-btn-primary {
    display: inline-block;
    background: var(--erp-primary);
    color: #fff;
    border: 0;
    border-radius: var(--erp-radius);
    padding: 8px 18px;
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
}
.erp-login-box .erp-btn-primary { padding: 10px 24px; }

/* ---------------- 顶栏 ---------------- */
.erp-top {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    padding: 12px 0;
    margin-bottom: 8px;
    background: var(--erp-bg);
    border-bottom: 1px solid var(--erp-line);
}
.erp-brand { display: flex; align-items: baseline; gap: 8px; }
.erp-logo { font-weight: 700; letter-spacing: 1px; font-size: 16px; }
.erp-brand-sub { color: var(--erp-muted); font-size: 12px; }

.erp-nav {
    display: flex;
    gap: 2px;
    overflow-x: auto;
    scrollbar-width: none;
    flex: 1 1 auto;
}
.erp-nav::-webkit-scrollbar { display: none; }
.erp-nav-btn {
    border: 0;
    background: transparent;
    color: var(--erp-muted);
    font-size: 14px;
    padding: 6px 10px;
    border-radius: var(--erp-radius);
    cursor: pointer;
    white-space: nowrap;
}
.erp-nav-btn:hover { color: var(--erp-text); background: var(--erp-bg-soft); }
.erp-nav-btn.is-active { color: var(--erp-primary); background: var(--erp-primary-soft); font-weight: 600; }

.erp-top-right { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.erp-search {
    width: 168px;
    padding: 7px 10px;
    font-size: 13px;
    color: var(--erp-text);
    background: var(--erp-bg);
    border: 1px solid var(--erp-line-strong);
    border-radius: var(--erp-radius);
    outline: none;
}
.erp-search:focus { border-color: var(--erp-primary); }
.erp-btn-ghost {
    border: 1px solid var(--erp-line-strong);
    background: var(--erp-bg);
    color: var(--erp-text);
    border-radius: var(--erp-radius);
    padding: 7px 11px;
    font-size: 13px;
    cursor: pointer;
    line-height: 1;
}
.erp-btn-ghost:hover { background: var(--erp-bg-soft); }
.erp-btn-danger {
    border: 1px solid var(--erp-danger);
    background: transparent;
    color: var(--erp-danger);
    border-radius: var(--erp-radius);
    padding: 7px 12px;
    font-size: 13px;
    cursor: pointer;
}
.erp-btn-danger:hover { background: var(--erp-danger-soft); }

/* 下拉菜单 */
.erp-menu-wrap { position: relative; }
.erp-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    min-width: 168px;
    background: var(--erp-bg);
    border: 1px solid var(--erp-line);
    border-radius: var(--erp-radius);
    padding: 4px;
    z-index: 40;
}
.erp-menu button {
    display: block;
    width: 100%;
    text-align: left;
    border: 0;
    background: transparent;
    color: var(--erp-text);
    padding: 7px 10px;
    font-size: 13px;
    border-radius: 4px;
    cursor: pointer;
}
.erp-menu button:hover { background: var(--erp-bg-soft); }
.erp-menu button.is-danger { color: var(--erp-danger); }
.erp-menu hr { border: 0; border-top: 1px solid var(--erp-line); margin: 4px 0; }

/* ---------------- 内容区 ---------------- */
.erp-main { padding-top: 8px; }
.erp-head {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin: 4px 0 12px;
}
.erp-head h2 { font-size: 16px; margin: 0; font-weight: 600; }
.erp-head .erp-head-sub { color: var(--erp-muted); font-size: 12px; }
.erp-head-right { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }

/* 筛选 chips */
.erp-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.erp-chip {
    border: 1px solid var(--erp-line-strong);
    background: transparent;
    color: var(--erp-muted);
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 12px;
    cursor: pointer;
}
.erp-chip.is-active { border-color: var(--erp-primary); color: var(--erp-primary); background: var(--erp-primary-soft); }

/* ---------------- KPI ---------------- */
.erp-kpis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    border: 1px solid var(--erp-line);
    border-radius: var(--erp-radius);
    overflow: hidden;
    margin-bottom: 20px;
}
.erp-kpi {
    padding: 14px 16px;
    border-right: 1px solid var(--erp-line);
    border-bottom: 1px solid var(--erp-line);
}
.erp-kpi-label { color: var(--erp-muted); font-size: 12px; margin-bottom: 4px; }
.erp-kpi-value {
    font-size: 20px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    letter-spacing: -.2px;
}
.erp-kpi-value.is-danger { color: var(--erp-danger); }
.erp-kpi-value.is-warn { color: var(--erp-warn); }
.erp-kpi-value.is-ok { color: var(--erp-ok); }

/* 分区标题 */
.erp-sec {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 22px 0 8px;
    font-size: 13px;
    font-weight: 600;
}
.erp-sec::after { content: ''; flex: 1; height: 1px; background: var(--erp-line); }

/* ---------------- 表格 ---------------- */
.erp-table-wrap { overflow-x: auto; border: 1px solid var(--erp-line); border-radius: var(--erp-radius); }
.erp-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.erp-table th, .erp-table td {
    padding: 9px 12px;
    text-align: left;
    border-bottom: 1px solid var(--erp-line);
    white-space: nowrap;
}
.erp-table th { color: var(--erp-muted); font-weight: 500; background: var(--erp-bg-soft); }
.erp-table tbody tr:last-child td { border-bottom: 0; }
.erp-table tbody tr:hover { background: var(--erp-bg-soft); }
.erp-table td.num, .erp-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.erp-table td.wrap { white-space: normal; min-width: 200px; }
.erp-table .erp-row-actions { text-align: right; }
.erp-link {
    border: 0;
    background: transparent;
    color: var(--erp-primary);
    cursor: pointer;
    padding: 0 6px;
    font-size: 13px;
}
.erp-link:hover { text-decoration: underline; }
.erp-link.is-danger { color: var(--erp-danger); }

/* 状态徽标：仅文字 + 小圆点，避免大面积色块 */
.erp-badge { display: inline-flex; align-items: center; gap: 5px; color: var(--erp-muted); }
.erp-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.erp-badge.draft { color: var(--erp-muted); }
.erp-badge.confirmed { color: var(--erp-primary); }
.erp-badge.done { color: var(--erp-ok); }
.erp-badge.canceled { color: var(--erp-danger); }
.erp-badge.in { color: var(--erp-ok); }
.erp-badge.out { color: var(--erp-warn); }
.erp-badge.adjust { color: var(--erp-primary); }
.erp-warn-text { color: var(--erp-danger); font-weight: 600; }

/* 空态 / 加载 */
.erp-empty { padding: 48px 16px; text-align: center; color: var(--erp-muted); }
.erp-loading { padding: 40px 16px; text-align: center; color: var(--erp-muted); }

/* 分页 */
.erp-pager { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 14px 0; color: var(--erp-muted); font-size: 13px; }

/* ---------------- 简易柱状图（纯 CSS，无依赖） ---------------- */
.erp-chart {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 160px;
    padding: 12px;
    border: 1px solid var(--erp-line);
    border-radius: var(--erp-radius);
}
.erp-chart-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.erp-chart-bars { display: flex; align-items: flex-end; gap: 3px; width: 100%; height: 100%; }
.erp-chart-bar { flex: 1; background: var(--erp-primary); border-radius: 2px 2px 0 0; min-height: 2px; }
.erp-chart-bar.is-buy { background: var(--erp-line-strong); opacity: .8; }
.erp-chart-label { font-size: 11px; color: var(--erp-muted); white-space: nowrap; }
.erp-chart-legend { display: flex; gap: 14px; font-size: 12px; color: var(--erp-muted); margin-top: 8px; }
.erp-chart-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; }

/* ---------------- 表单 ---------------- */
.erp-form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.erp-field { display: flex; flex-direction: column; gap: 5px; }
.erp-field.is-full { grid-column: 1 / -1; }
.erp-field > span { font-size: 12px; color: var(--erp-muted); }
.erp-field input, .erp-field select, .erp-field textarea {
    width: 100%;
    padding: 8px 10px;
    font-size: 13px;
    color: var(--erp-text);
    background: var(--erp-bg);
    border: 1px solid var(--erp-line-strong);
    border-radius: var(--erp-radius);
    outline: none;
    font-family: inherit;
}
.erp-field input:focus, .erp-field select:focus, .erp-field textarea:focus { border-color: var(--erp-primary); }
.erp-field textarea { min-height: 68px; resize: vertical; }
.erp-hint { font-size: 12px; color: var(--erp-muted); }

/* 单据明细编辑 */
.erp-items { border: 1px solid var(--erp-line); border-radius: var(--erp-radius); overflow: hidden; }
.erp-items table { width: 100%; border-collapse: collapse; font-size: 13px; }
.erp-items th, .erp-items td { padding: 6px 8px; border-bottom: 1px solid var(--erp-line); }
.erp-items th { color: var(--erp-muted); font-weight: 500; background: var(--erp-bg-soft); text-align: left; }
.erp-items input, .erp-items select {
    width: 100%;
    padding: 6px 8px;
    font-size: 13px;
    color: var(--erp-text);
    background: var(--erp-bg);
    border: 1px solid transparent;
    border-radius: 4px;
    outline: none;
    font-family: inherit;
}
.erp-items input:focus, .erp-items select:focus { border-color: var(--erp-primary); }
.erp-items td.num, .erp-items th.num { text-align: right; font-variant-numeric: tabular-nums; }
.erp-items-foot {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-top: 1px solid var(--erp-line);
    background: var(--erp-bg-soft);
}
.erp-items-total { margin-left: auto; font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; }

/* ---------------- 弹窗 ---------------- */
.erp-modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; overflow: auto; }
.erp-modal-mask { position: fixed; inset: 0; background: rgba(15, 15, 15, .45); }
.erp-modal-box {
    position: relative;
    width: 100%;
    max-width: 640px;
    background: var(--erp-bg);
    border: 1px solid var(--erp-line);
    border-radius: 8px;
    z-index: 1;
}
.erp-modal-box.is-wide { max-width: 880px; }
.erp-modal-head { display: flex; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--erp-line); }
.erp-modal-head h3 { margin: 0; font-size: 15px; font-weight: 600; }
.erp-modal-close { margin-left: auto; border: 0; background: transparent; color: var(--erp-muted); cursor: pointer; font-size: 16px; line-height: 1; padding: 4px; }
.erp-modal-body { padding: 16px; }
.erp-modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--erp-line); }

/* ---------------- Toast ---------------- */
.erp-toast {
    position: fixed;
    left: 50%;
    bottom: 40px;
    transform: translateX(-50%);
    background: rgba(24, 24, 24, .92);
    color: #fff;
    padding: 9px 18px;
    border-radius: 999px;
    font-size: 13px;
    z-index: 200;
}
.erp-toast.is-error { background: var(--erp-danger); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 720px) {
    .erp { padding: 0 12px 48px; }
    .erp-top { gap: 10px; }
    .erp-brand-sub { display: none; }
    .erp-top-right { width: 100%; margin-left: 0; }
    .erp-search { flex: 1; width: auto; }
    .erp-form { grid-template-columns: 1fr; }
    .erp-kpi { border-right: 0; }
    .erp-modal { padding: 16px 10px; }
}