:root{
  --primary:#2f6fed; --primary-dark:#2357c4; --bg:#eef1f6; --card:#fff;
  --text:#233047; --muted:#8a94a6; --border:#e4e9f0; --danger:#e5533c; --success:#28a745;
  --warn:#f0a020; --sidebar:#1d2735; --sidebar-text:#aeb9c9;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);font-size:14px}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- 布局 ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{width:224px;background:var(--sidebar);color:var(--sidebar-text);flex-shrink:0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.sidebar .brand{padding:20px 18px;font-size:17px;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.sidebar .brand small{display:block;font-size:11px;color:var(--sidebar-text);font-weight:400;margin-top:2px}
.sidebar nav{flex:1;padding:10px 0;overflow-y:auto}
.sidebar nav a{display:flex;align-items:center;padding:10px 20px;color:var(--sidebar-text);border-left:3px solid transparent;font-size:13.5px}
.sidebar nav a:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none}
.sidebar nav a.active{background:rgba(47,111,237,.18);color:#fff;border-left-color:var(--primary)}
.sidebar nav a .ico{width:20px;text-align:center;margin-right:10px;opacity:.85}
.sidebar nav .g{padding:14px 20px 4px;font-size:11px;color:#5d6b7d;letter-spacing:1px}
.sidebar .me{padding:14px 18px;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px}
.sidebar .me .row1{display:flex;justify-content:space-between;align-items:center}
.sidebar .me a{color:var(--sidebar-text)}
.sidebar .me a:hover{color:#fff}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:var(--card);padding:0 26px;height:56px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.topbar h1{font-size:16px;font-weight:600}
.topbar .who{font-size:13px;color:var(--muted)}
.content{padding:22px 26px;flex:1}

/* ---------- 提示 ---------- */
.flash-wrap{position:fixed;top:14px;right:18px;z-index:999;display:flex;flex-direction:column;gap:8px}
.alert{padding:11px 16px;border-radius:8px;font-size:13.5px;box-shadow:0 6px 18px rgba(20,30,50,.15);max-width:420px;animation:fadein .25s}
.alert.success{background:#e9f7ef;color:#1c7a37;border:1px solid #b9e6c9}
.alert.danger{background:#fdeeec;color:#b33a26;border:1px solid #f5c6be}
.alert.warning{background:#fef6e7;color:#9a6a10;border:1px solid #f3dca6}
@keyframes fadein{from{opacity:0;transform:translateY(-8px)}to{opacity:1}}

/* ---------- 卡片 / 表格 ---------- */
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;margin-bottom:18px;overflow:hidden}
.card .card-h{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.card .card-h h2{font-size:15px;font-weight:600}
.card .card-b{padding:16px 18px;overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
table.tbl th{background:#f6f8fb;text-align:left;padding:9px 10px;color:#5b6678;font-weight:600;white-space:nowrap;border-bottom:1px solid var(--border)}
table.tbl td{padding:9px 10px;border-bottom:1px solid #f0f3f8;vertical-align:middle}
table.tbl tr:hover td{background:#fafcff}
table.tbl td.num{text-align:right;font-variant-numeric:tabular-nums}
table.tbl th.num{text-align:right}
.muted{color:var(--muted)}
.empty{padding:38px;text-align:center;color:var(--muted)}

/* ---------- 徽标 ---------- */
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;white-space:nowrap}
.badge.blue{background:#e8f0fe;color:#2357c4}
.badge.green{background:#e9f7ef;color:#1c7a37}
.badge.orange{background:#fef6e7;color:#9a6a10}
.badge.red{background:#fdeeec;color:#b33a26}
.badge.gray{background:#eef1f5;color:#6b7688}

/* ---------- 按钮 ---------- */
.btn{display:inline-block;border:1px solid transparent;border-radius:6px;padding:7px 14px;font-size:13.5px;cursor:pointer;text-decoration:none !important;line-height:1.4;background:var(--primary);color:#fff}
.btn:hover{background:var(--primary-dark)}
.btn.ghost{background:#fff;color:var(--text);border-color:var(--border)}
.btn.ghost:hover{border-color:var(--primary);color:var(--primary);background:#f7faff}
.btn.danger{background:var(--danger)}
.btn.danger.ghost{background:#fff;color:var(--danger);border-color:#f0c4bd}
.btn.small{padding:3px 9px;font-size:12.5px;border-radius:5px}
.btn.gray{background:#5f6b7c}
.btn.green{background:var(--success)}
.btn.warn{background:var(--warn)}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.field label{display:block;font-size:12.5px;color:#5b6678;margin-bottom:5px;font-weight:500}
.field label .req{color:var(--danger)}
input[type=text],input[type=password],input[type=number],input[type=date],select,textarea{width:100%;border:1px solid var(--border);border-radius:6px;padding:8px 10px;font-size:13.5px;color:var(--text);background:#fff;outline:none;transition:border .15s}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,111,237,.12)}
textarea{resize:vertical;min-height:70px}
.form-actions{padding-top:8px;display:flex;gap:10px}
.inline-form{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.searchbar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;padding:14px 18px;background:#fafbfd;border-bottom:1px solid var(--border)}
.searchbar .field{margin:0}
.searchbar .field input,.searchbar .field select{min-width:150px}

/* ---------- 工具条 / 分页 ---------- */
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.pager{display:flex;gap:6px;align-items:center;justify-content:flex-end;padding:12px 18px;border-top:1px solid var(--border);font-size:13px}
.pager a,.pager span{display:inline-block;min-width:30px;text-align:center;padding:4px 8px;border-radius:6px;border:1px solid var(--border);background:#fff;color:var(--text);text-decoration:none}
.pager a:hover{border-color:var(--primary);color:var(--primary)}
.pager .cur{background:var(--primary);border-color:var(--primary);color:#fff}

/* ---------- 统计卡 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:18px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:18px;display:flex;justify-content:space-between;align-items:center}
.stat .lbl{font-size:12.5px;color:var(--muted)}
.stat .val{font-size:26px;font-weight:700;margin-top:6px}
.stat .ico{font-size:30px;opacity:.9}
.stat.b1 .ico{color:var(--primary)} .stat.b2 .ico{color:#7a5af8} .stat.b3 .ico{color:var(--success)}
.stat.b4 .ico{color:var(--warn)} .stat.b5 .ico{color:var(--danger)}

/* ---------- 趋势条形 ---------- */
.bars{display:flex;align-items:flex-end;gap:10px;height:150px;padding:6px 2px 0}
.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:4px}
.bar{width:70%;border-radius:4px 4px 0 0;min-height:2px}
.bar.in{background:var(--primary)} .bar.out{background:#f0a020}
.legend{display:flex;gap:18px;font-size:12px;color:var(--muted);margin-top:10px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:5px}
.legend .li.in i{background:var(--primary)} .legend .li.out i{background:#f0a020}

/* ---------- 登录 ---------- */
.login-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1d2735 0%,#263a5e 60%,#2f6fed 130%)}
.login-card{background:#fff;border-radius:14px;padding:38px 36px;width:370px;box-shadow:0 18px 50px rgba(0,0,0,.3)}
.login-card h1{font-size:21px;margin-bottom:4px}
.login-card .sub{color:var(--muted);font-size:13px;margin-bottom:24px}
.login-card .field{margin-bottom:16px}
.login-card .field input{padding:10px 12px}
.login-card .btn{width:100%;padding:10px}
.login-tip{margin-top:18px;font-size:12px;color:#94a0b5;text-align:center}

/* ---------- 出入库明细行 ---------- */
.line-row td{padding:6px}
.row-del{background:none;border:1px solid var(--border);border-radius:5px;color:var(--danger);cursor:pointer;padding:5px 10px;font-size:12.5px}
.row-add-btn{margin-top:10px}

/* ---------- 详情页 ---------- */
.detail-head{display:flex;gap:26px;flex-wrap:wrap;padding:16px 18px;background:#fafbfd;border-bottom:1px solid var(--border)}
.detail-head .dh b{display:block;font-size:12px;color:var(--muted);font-weight:500;margin-bottom:3px}
.detail-head .dh span{font-size:15px;font-weight:600}

@media print{.sidebar,.topbar,.toolbar,.no-print{display:none !important}.layout{display:block}.content{padding:0}}