:root{
  --brand:#ff5a1f; --brand-2:#ff8a4c; --brand-soft:#fff3ee;
  --ink:#1f2329; --gray:#8a9099; --line:#ececec; --bg:#f5f6f8;
  --ok:#16a34a; --warn:#f59e0b; --err:#e5484d; --blue:#1a56db;
  --r:14px; --shadow:0 2px 12px rgba(0,0,0,.06);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font:14px/1.5 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}
input,select,textarea,button{font-family:inherit;font-size:14px;outline:none}

/* ---------- 布局 ---------- */
.wrap{max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg);position:relative;box-shadow:0 0 40px rgba(0,0,0,.06)}
.topbar{position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid var(--line);padding:12px 16px;display:flex;align-items:center;gap:10px}
.topbar h1{font-size:16px;margin:0;flex:1;font-weight:600}
.topbar .sub{font-size:12px;color:var(--gray);font-weight:400;margin-left:6px}
.page{padding:12px 12px 90px}
.card{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);padding:14px;margin-bottom:12px}
.card.tight{padding:10px 12px}
.row{display:flex;align-items:center;gap:10px}
.row.between{justify-content:space-between}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.muted{color:var(--gray);font-size:12px}
.small{font-size:12px}
.b{font-weight:600}
.right{text-align:right}
.center{text-align:center}
.mt8{margin-top:8px}.mt12{margin-top:12px}.mt16{margin-top:16px}
.mb8{margin-bottom:8px}.mb12{margin-bottom:12px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:10px;padding:10px 16px;background:var(--brand);color:#fff;font-weight:600;cursor:pointer;transition:.15s}
.btn:active{transform:scale(.97);opacity:.9}
.btn.block{display:flex;width:100%}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.gray{background:#f0f1f3;color:var(--ink)}
.btn.sm{padding:6px 12px;font-size:12px;border-radius:8px}
.btn.danger{background:var(--err)}
.btn[disabled]{opacity:.5;pointer-events:none}
.btn.big{padding:14px;font-size:15px;border-radius:12px}

/* ---------- 表单 ---------- */
.field{margin-bottom:12px}
.field label{display:block;font-size:12px;color:var(--gray);margin-bottom:6px}
.input{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;background:#fff}
.input:focus{border-color:var(--brand)}
.select{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;background:#fff}
.seg{display:flex;gap:8px}
.seg .opt{flex:1;text-align:center;border:1px solid var(--line);border-radius:10px;padding:10px 0;background:#fff;cursor:pointer;font-size:13px}
.seg .opt.on{border-color:var(--brand);background:var(--brand-soft);color:var(--brand);font-weight:600}

/* ---------- 分区 Tabs ---------- */
.ztabs{display:flex;background:#fff;border-radius:var(--r);padding:4px;margin-bottom:12px;box-shadow:var(--shadow)}
.ztab{flex:1;text-align:center;padding:10px 4px;border-radius:10px;cursor:pointer;font-size:13px;color:var(--gray)}
.ztab.on{background:var(--brand);color:#fff;font-weight:600}
.ztab .ic{display:block;font-size:18px;margin-bottom:2px}

/* ---------- 分类 ---------- */
.cats{display:flex;gap:8px;overflow-x:auto;padding:2px 0 8px;-webkit-overflow-scrolling:touch}
.cats::-webkit-scrollbar{display:none}
.cat{flex:0 0 auto;padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;cursor:pointer;white-space:nowrap}
.cat.on{background:var(--brand-soft);border-color:var(--brand);color:var(--brand);font-weight:600}

/* ---------- 菜品 ---------- */
.dish{display:flex;gap:10px;padding:12px 0;border-bottom:1px solid #f4f4f4;align-items:center}
.dish:last-child{border-bottom:0}
.dish .emoji{width:56px;height:56px;flex:0 0 56px;border-radius:12px;background:linear-gradient(135deg,#fff6f1,#ffe8dc);display:flex;align-items:center;justify-content:center;font-size:28px}
.dish .info{flex:1;min-width:0}
.dish .nm{font-weight:600;margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dish .ds{font-size:12px;color:var(--gray);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}
.dish .pr{color:var(--brand);font-weight:700}
.dish .pr small{font-size:11px;font-weight:400}
.stepper{display:flex;align-items:center;gap:8px}
.stepper button{width:28px;height:28px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:16px;line-height:1;cursor:pointer}
.stepper button.add{background:var(--brand);color:#fff;border-color:var(--brand)}
.stepper .n{min-width:18px;text-align:center;font-weight:600}

/* ---------- 购物车条 ---------- */
.cartbar{position:fixed;left:0;right:0;bottom:56px;z-index:40;max-width:480px;margin:0 auto;padding:8px 12px}
.cartbar .inner{background:#2b2f36;color:#fff;border-radius:14px;padding:10px 12px;display:flex;align-items:center;gap:10px;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.cartbar .ic{font-size:22px;position:relative}
.cartbar .badge{position:absolute;top:-6px;right:-10px;background:var(--err);color:#fff;font-size:11px;border-radius:999px;padding:1px 6px;font-weight:700}
.cartbar .sum{flex:1}
.cartbar .sum .p{font-size:17px;font-weight:700}
.cartbar .sum .t{font-size:11px;opacity:.7}

/* ---------- Tabbar ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:50;max-width:480px;margin:0 auto;background:#fff;border-top:1px solid var(--line);display:flex}
.tabbar .tb{flex:1;text-align:center;padding:8px 0 6px;font-size:11px;color:var(--gray);cursor:pointer}
.tabbar .tb.on{color:var(--brand);font-weight:600}
.tabbar .tb .ic{display:block;font-size:20px;margin-bottom:2px}

/* ---------- 状态标签 ---------- */
.tag{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11px;background:#f0f1f3;color:var(--gray)}
.tag.ok{background:#e7f7ed;color:var(--ok)}
.tag.warn{background:#fff4e0;color:#b26a00}
.tag.err{background:#fdeaea;color:var(--err)}
.tag.brand{background:var(--brand-soft);color:var(--brand)}

/* ---------- 空态 ---------- */
.empty{padding:48px 20px;text-align:center;color:var(--gray)}
.empty .ic{font-size:44px;margin-bottom:10px}

/* ---------- Toast ---------- */
#toast{position:fixed;left:50%;top:40%;transform:translateX(-50%);z-index:999;background:rgba(0,0,0,.82);color:#fff;padding:10px 18px;border-radius:10px;font-size:13px;opacity:0;transition:.2s;pointer-events:none;max-width:80%;text-align:center}
#toast.show{opacity:1}
.mask{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:60;display:none;align-items:flex-end;justify-content:center}
.mask.show{display:flex}
.sheet{background:#fff;width:100%;max-width:480px;border-radius:16px 16px 0 0;padding:16px;max-height:80vh;overflow:auto;animation:up .2s}
@keyframes up{from{transform:translateY(30px);opacity:.5}to{transform:none;opacity:1}}

/* ---------- 星级 ---------- */
.stars{display:flex;gap:6px;font-size:26px;color:#dcdfe3;cursor:pointer}
.stars .s.on{color:#ffb020}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:6px 12px;border:1px solid var(--line);border-radius:999px;font-size:12px;cursor:pointer;background:#fff}
.chip.on{background:var(--brand-soft);border-color:var(--brand);color:var(--brand)}

/* ---------- 取餐码 ---------- */
.codebox{background:linear-gradient(135deg,var(--brand),#ff8a4c);color:#fff;border-radius:16px;padding:20px;text-align:center}
.codebox .code{font-size:44px;font-weight:800;letter-spacing:6px;margin:8px 0}
.codebox .lbl{font-size:12px;opacity:.9}

/* ---------- 后台（桌面布局） ---------- */
.admin{display:flex;min-height:100vh}
.admin .side{width:200px;background:#1f2329;color:#cfd4da;flex:0 0 200px;padding:16px 0}
.admin .side .logo{padding:0 16px 16px;font-weight:700;color:#fff;font-size:15px;border-bottom:1px solid #333;margin-bottom:10px}
.admin .side a{display:block;padding:10px 16px;font-size:14px;cursor:pointer}
.admin .side a.on{background:var(--brand);color:#fff}
.admin .side a:hover{background:#2b2f36;color:#fff}
.admin .main{flex:1;padding:18px;overflow:auto;background:var(--bg)}
.admin h2{font-size:16px;margin:0 0 14px}
.kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:16px}
.kpi .k{background:#fff;border-radius:12px;padding:14px;box-shadow:var(--shadow)}
.kpi .k .v{font-size:22px;font-weight:700;margin-top:4px}
.kpi .k .l{font-size:12px;color:var(--gray)}
table.tb{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow);font-size:13px}
table.tb th,table.tb td{padding:10px 12px;text-align:left;border-bottom:1px solid #f2f2f2}
table.tb th{background:#fafbfc;font-weight:600;color:var(--gray);font-size:12px}
table.tb tr:last-child td{border-bottom:0}
.panel{background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:14px;margin-bottom:14px}
.panel h3{font-size:14px;margin:0 0 12px;display:flex;justify-content:space-between;align-items:center}
.tools{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;align-items:center}
.tools .input,.tools .select{width:auto;min-width:120px;padding:8px 10px}
.hidden{display:none !important}

@media(max-width:720px){
  .admin{flex-direction:column}
  .admin .side{width:100%;flex:none;display:flex;overflow-x:auto;padding:8px}
  .admin .side .logo{display:none}
  .admin .side a{padding:8px 12px;white-space:nowrap;border-radius:8px}
}