:root{
  --c: #1a5f4a; --c2:#0d3d30; --bg:#f4f6f5; --card:#fff; --bd:#e2e8e5;
  --ok:#16a34a; --warn:#d97706; --err:#dc2626; --mut:#64748b;
  --r:10px; --sh:0 1px 3px rgba(0,0,0,.06);
}
*{box-sizing:border-box} html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:#1e293b;font-size:14px}
a{color:var(--c);text-decoration:none}
button,input,select,textarea{font:inherit}
.app{min-height:100vh;display:flex;flex-direction:column}
.top{background:linear-gradient(135deg,var(--c),var(--c2));color:#fff;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:8px;position:sticky;top:0;z-index:20}
.top h1{margin:0;font-size:17px;font-weight:650;letter-spacing:.5px}
.top .sub{font-size:12px;opacity:.85}
.nav{display:flex;gap:4px;overflow-x:auto;background:#fff;border-bottom:1px solid var(--bd);padding:6px 8px;position:sticky;top:52px;z-index:19;-webkit-overflow-scrolling:touch}
.nav button{flex:0 0 auto;border:0;background:transparent;padding:8px 12px;border-radius:999px;color:var(--mut);cursor:pointer;white-space:nowrap}
.nav button.active{background:var(--c);color:#fff}
.main{flex:1;padding:12px;max-width:1100px;width:100%;margin:0 auto}
.card{background:var(--card);border:1px solid var(--bd);border-radius:var(--r);box-shadow:var(--sh);padding:14px;margin-bottom:12px}
.grid{display:grid;gap:10px;grid-template-columns:repeat(2,1fr)}
@media(min-width:720px){.grid{grid-template-columns:repeat(4,1fr)}}
.stat{padding:12px;border-radius:var(--r);background:linear-gradient(180deg,#fff,#f8faf9);border:1px solid var(--bd)}
.stat .n{font-size:22px;font-weight:700;color:var(--c2)}
.stat .l{font-size:12px;color:var(--mut);margin-top:4px}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:10px}
.row > *{flex:1 1 120px}
label.f{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--mut)}
input,select,textarea{border:1px solid var(--bd);border-radius:8px;padding:9px 10px;background:#fff;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(26,95,74,.25);border-color:var(--c)}
.btn{border:0;border-radius:8px;padding:9px 14px;background:var(--c);color:#fff;cursor:pointer;font-weight:600}
.btn:disabled{opacity:.5}
.btn.ghost{background:#fff;color:var(--c);border:1px solid var(--c)}
.btn.warn{background:var(--warn)}
.btn.err{background:var(--err)}
.btn.sm{padding:6px 10px;font-size:12px}
.table-wrap{overflow:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:560px}
th,td{padding:8px 6px;border-bottom:1px solid var(--bd);text-align:left;vertical-align:middle}
th{font-size:12px;color:var(--mut);font-weight:600;background:#fafbfa;position:sticky;top:0}
.tag{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;background:#e8f5f0;color:var(--c)}
.tag.bad{background:#fef2f2;color:var(--err)}
.tag.warn{background:#fffbeb;color:var(--warn)}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(160deg,#0d3d30,#1a5f4a 40%,#e8f5f0)}
.login-box{width:100%;max-width:380px;background:#fff;border-radius:14px;padding:28px 22px;box-shadow:0 12px 40px rgba(0,0,0,.18)}
.login-box h2{margin:0 0 6px;color:var(--c2);text-align:center}
.login-box p{margin:0 0 18px;text-align:center;color:var(--mut);font-size:13px}
.err-msg{color:var(--err);font-size:13px;margin:8px 0}
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:flex-end;justify-content:center;z-index:50;padding:12px}
@media(min-width:640px){.modal-mask{align-items:center}}
.modal{background:#fff;border-radius:14px 14px 10px 10px;width:100%;max-width:560px;max-height:90vh;overflow:auto;padding:16px}
.modal h3{margin:0 0 12px}
.muted{color:var(--mut);font-size:12px}
.actions{display:flex;gap:8px;justify-content:flex-end;margin-top:12px;flex-wrap:wrap}
.img-thumb{width:40px;height:40px;object-fit:cover;border-radius:6px;background:#eee}
.empty{text-align:center;padding:28px;color:var(--mut)}
.line-items{border:1px dashed var(--bd);border-radius:8px;padding:8px;margin:8px 0}
.line-items .item{display:grid;grid-template-columns:1fr 70px 80px 32px;gap:6px;margin-bottom:6px;align-items:center}
@media(max-width:480px){.line-items .item{grid-template-columns:1fr 1fr;}}

/* 操作列吸右，手机横滑时也能看到删除 */
th.ops, td.ops{position:sticky;right:0;background:#fff;box-shadow:-6px 0 8px rgba(0,0,0,.04);white-space:nowrap;z-index:1}
th.ops{background:#fafbfa}
td.ops .btn{margin:2px}
.btn.err{min-width:52px}

.m-list{display:flex;flex-direction:column;gap:10px}
.m-item{border:1px solid var(--bd);border-radius:10px;padding:12px;background:#fff}
.m-top{display:flex;gap:10px;align-items:flex-start}
.m-info{flex:1;min-width:0}
.m-title{font-weight:650;font-size:15px;margin-bottom:4px;word-break:break-word}
.m-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
.m-actions .btn{width:100%;padding:11px 12px;font-size:15px}
.desk-only{display:none}
@media(min-width:721px){
  .m-list{display:none}
  .desk-only{display:block}
}

.po-item{border:1px solid var(--bd);border-radius:8px;padding:10px;margin-bottom:8px;background:#fafbfa}
.po-top{display:flex;gap:8px;align-items:flex-start;margin-bottom:8px}
.po-img{width:52px;height:52px;object-fit:cover;border-radius:8px;flex-shrink:0;background:#eee}
.po-img-empty{display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--mut);border:1px dashed var(--bd)}
.po-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.line-items .po-item .f{margin:0}

/* 可搜索下拉 */
.ss{position:relative;width:100%}
.ss-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 10px;border:1px solid var(--bd);border-radius:8px;background:#fff;font-size:14px;text-align:left;cursor:pointer}
.ss-btn:focus{outline:2px solid rgba(26,95,74,.25);border-color:var(--c)}
.ss-text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ss-caret{color:var(--mut);font-size:12px}
.ss-panel{position:absolute;left:0;right:0;top:calc(100% + 4px);background:#fff;border:1px solid var(--bd);border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.12);z-index:80;overflow:hidden}
.ss-search{width:100%;border:0;border-bottom:1px solid var(--bd);padding:10px 12px;font-size:14px;outline:none;border-radius:0;box-sizing:border-box}
.ss-list{max-height:220px;overflow:auto;-webkit-overflow-scrolling:touch}
.ss-item{padding:10px 12px;cursor:pointer;font-size:14px}
.ss-item:hover,.ss-item.on{background:#e8f5f0;color:var(--c2)}
.ss-empty{padding:14px;text-align:center;color:var(--mut);font-size:13px}

.tag.pay-tag{border:0;cursor:pointer;font:inherit;line-height:1.4}
.tag.pay-tag.ok{background:#dcfce7;color:#166534}
.tag.pay-tag.warn{background:#ffedd5;color:#9a3412}
.tag.pay-tag:active{opacity:.85}

.stock-grid{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.stock-card{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--bd);border-radius:12px;background:#fff}
.stock-img{width:56px;height:56px;object-fit:cover;border-radius:10px;background:#eee;flex-shrink:0}
.stock-img-empty{display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--mut);border:1px dashed var(--bd)}
.stock-info{flex:1;min-width:0}
.stock-name{font-weight:650;font-size:15px;margin-bottom:4px;word-break:break-word}
.stock-qty{text-align:right;min-width:72px}
.stock-num{font-size:28px;font-weight:750;line-height:1.1;color:var(--c2)}
.stock-unit{font-size:12px;color:var(--mut)}
.stock-qty.stock-warn .stock-num{color:#b45309}

.dash-order-btn{display:block;width:100%;margin:0 0 14px;padding:18px 16px;border:0;border-radius:14px;background:linear-gradient(135deg,var(--c),var(--c2));color:#fff;font-size:22px;font-weight:750;letter-spacing:2px;cursor:pointer;box-shadow:0 8px 20px rgba(26,95,74,.28)}
.dash-order-btn:active{transform:scale(.99);opacity:.95}

tr.click-row{cursor:pointer}
tr.click-row:hover{background:#e8f5f0}
tr.click-row:active{background:#d1fae5}