/* SLD Melet — admin back office. Plain CSS, no build step. */
:root{--ink:#1f1d1a;--muted:#6f6a62;--line:#e4dfd6;--bg:#f6f3ee;--card:#fff;--brand:#c8952e;--brand-d:#8a6418;--side:#23201c;--side-ink:#d9d2c5;--green:#2f7d4f;--amber:#b7791f;--red:#b83a32;--blue:#2d6aa3;--purple:#6c4bb4;--radius:10px;--shadow:0 1px 2px rgba(0,0,0,.05),0 2px 8px rgba(0,0,0,.04)}
*{box-sizing:border-box}
html{font-size:15px}
body.admin{margin:0;font-family:"Noto Sans TC","PingFang HK","Microsoft JhengHei",system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.5;display:flex;min-height:100vh}
a{color:var(--brand-d)}a:hover{color:var(--ink)}
code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.88em;background:#f0ebe2;padding:1px 5px;border-radius:4px}
h1,h2,h3{line-height:1.25;margin:0 0 .6em}h3{font-size:1.05rem}
/* Sidebar */
.side{width:232px;flex:0 0 232px;background:var(--side);color:var(--side-ink);position:sticky;top:0;height:100vh;overflow-y:auto;padding:14px 10px 30px;z-index:30}
.side-brand{display:flex;gap:10px;align-items:center;color:#fff;text-decoration:none;padding:4px 8px 14px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:8px}
.side-brand img{width:38px;height:38px;border-radius:50%;background:#fff;object-fit:contain}
.side-brand span{font-weight:700;display:flex;flex-direction:column}.side-brand small{font-weight:400;color:#a89f90;font-size:.78rem}
.side-group{font-size:.72rem;letter-spacing:.08em;color:#8f8676;margin:14px 10px 4px;text-transform:uppercase}
.side nav a{display:flex;justify-content:space-between;align-items:center;color:var(--side-ink);text-decoration:none;padding:7px 10px;border-radius:7px;font-size:.93rem}
.side nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.side nav a.on{background:var(--brand);color:#1b1408;font-weight:600}
.side nav a b{background:var(--red);color:#fff;font-size:.72rem;border-radius:20px;padding:0 7px;min-width:20px;text-align:center}
.side nav a.on b{background:#1b1408}
/* Main */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.top{display:flex;align-items:center;gap:12px;background:#fff;border-bottom:1px solid var(--line);padding:10px 22px;position:sticky;top:0;z-index:20}
.top-title{font-weight:700;font-size:1.1rem;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-right{display:flex;gap:14px;align-items:center;font-size:.9rem;flex-wrap:wrap}
.top-right a{text-decoration:none}
.side-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:8px;padding:4px 10px;font-size:1.1rem;cursor:pointer}
.content{padding:20px 22px 40px;max-width:1500px;width:100%}
.admin-foot{margin-top:auto;padding:14px 22px;color:var(--muted);font-size:.8rem}
.page-actions{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap;margin-bottom:14px}
/* Cards & layout */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin-bottom:16px;box-shadow:var(--shadow)}
.card.flush{padding:0;overflow:hidden}
.card.narrow,.narrow{max-width:560px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
.grid2.wide-left{grid-template-columns:1.6fr 1fr}
.grid2>.card{margin-bottom:0}.grid2{margin-bottom:16px}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.row-gap{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.scroll-x{overflow-x:auto}
.muted{color:var(--muted)}.small{font-size:.83rem}.right{text-align:right}
.pos{color:var(--green)}.neg{color:var(--red)}.warn{color:var(--amber)}
.empty{text-align:center;color:var(--muted);padding:26px !important}
/* Alerts */
.alert{border-radius:8px;padding:10px 14px;margin-bottom:14px;border:1px solid #e8d9b5;background:#fdf7e8}
.alert-info{background:#eef4fa;border-color:#cfe0f1}
.alert-success{background:#ecf7ef;border-color:#c5e6cf}
.alert-error{background:#fbeceb;border-color:#f0c9c6;color:#7d221c}
/* Tables */
.tbl{width:100%;border-collapse:collapse;font-size:.92rem}
.tbl th{text-align:left;font-weight:600;color:var(--muted);font-size:.8rem;background:#faf8f4;border-bottom:1px solid var(--line);padding:9px 10px;white-space:nowrap}
.tbl td{border-bottom:1px solid #f0ece5;padding:9px 10px;vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl.compact td,.tbl.compact th{padding:6px 8px}
.tbl tfoot td{background:#faf8f4;font-weight:600}
.tbl th.right,.tbl td.right{text-align:right}
.tbl input,.tbl select{font-size:.88rem}
tr.clickable{cursor:pointer}tr.clickable:hover td{background:#fbf8f1}
tr.new-row td{background:#fbfaf6}
/* Badges & chips */
.badge{display:inline-block;padding:1px 8px;border-radius:20px;font-size:.76rem;font-weight:600;white-space:nowrap;background:#eee;color:#555;vertical-align:middle}
.b-green{background:#e2f3e7;color:var(--green)}.b-amber{background:#fbf0d9;color:#8f5b0c}.b-red{background:#fbe3e1;color:var(--red)}
.b-blue{background:#e3eef8;color:var(--blue)}.b-purple{background:#eee8f8;color:var(--purple)}.b-gray{background:#efede9;color:#6b665e}
.chip{display:inline-block;padding:4px 11px;border:1px solid var(--line);border-radius:20px;text-decoration:none;color:var(--ink);font-size:.85rem;background:#fff}
.chip.on,.chip:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
/* KPIs */
.kpis{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px;margin-bottom:16px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:2px}
.kpi span{color:var(--muted);font-size:.8rem}.kpi .big,.kpi b.big{font-size:1.35rem;font-weight:700}
.kpi small{color:var(--muted);font-size:.78rem}
.kpi.warn{border-color:#efd59a;background:#fffaf0}.kpi.bad{border-color:#f0c2be;background:#fff6f5}
/* Forms */
input,select,textarea,button{font:inherit;color:inherit}
input[type=text],input:not([type]),input[type=number],input[type=email],input[type=password],input[type=date],input[type=search],input[type=tel],input[type=url],select,textarea{border:1px solid #d6d0c5;border-radius:7px;padding:6px 9px;background:#fff;max-width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(200,149,46,.35);border-color:var(--brand)}
textarea{width:100%;resize:vertical}
textarea.code,.code textarea{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.85rem}
.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px 16px;align-items:start}
.form-grid.tight{gap:8px;grid-template-columns:1fr 1fr}
.form-grid>h3,.form-grid>.wide,.form-grid>.form-actions{grid-column:1/-1}
.fld{display:flex;flex-direction:column;gap:4px;font-size:.86rem;color:#4b463f;font-weight:500}
.fld>span:first-child{font-weight:500}
.fld input,.fld select,.fld textarea{width:100%;font-weight:400;color:var(--ink)}
.fld.wide{grid-column:1/-1}
.check{display:flex;gap:7px;align-items:center;font-size:.9rem;margin:4px 0}
.check input{width:auto;margin:0}
.checks{display:flex;flex-wrap:wrap;gap:4px 16px}
.help{color:var(--muted);font-size:.8rem;font-weight:400;margin:4px 0}
.form-actions{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.inline-form{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.toolbar label{display:flex;gap:4px;align-items:center;font-size:.88rem}
.w-sku{width:130px}.w-name{width:150px}.w-num{width:92px}.w-xs{width:64px}
.thumb{width:72px;height:72px;object-fit:cover;border-radius:8px;border:1px solid var(--line);background:#faf8f4}
.thumb.sm{width:40px;height:40px;border-radius:6px}
/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid #cfc8bb;background:#fff;color:var(--ink);padding:7px 14px;border-radius:8px;cursor:pointer;text-decoration:none;font-size:.9rem;font-weight:500;line-height:1.2;white-space:nowrap}
.btn:hover{border-color:var(--ink);color:var(--ink)}
.btn.primary{background:var(--ink);border-color:var(--ink);color:#fff}.btn.primary:hover{background:#000}
.btn.danger{color:var(--red);border-color:#e7b7b2}.btn.danger:hover{background:var(--red);color:#fff}
.btn.sm{padding:4px 9px;font-size:.8rem}.btn.full{width:100%}.btn.big{padding:13px 18px;font-size:1.05rem}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.quick{display:flex;gap:6px;flex-wrap:wrap}
/* Tabs & pager */
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs a{padding:8px 14px;text-decoration:none;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}
.tabs a.on{color:var(--ink);border-bottom-color:var(--brand);font-weight:600}
.pager{display:flex;gap:4px;align-items:center;flex-wrap:wrap;margin:10px 0}
.pager a{padding:3px 10px;border:1px solid var(--line);border-radius:6px;text-decoration:none;background:#fff}
.pager a.on{background:var(--ink);color:#fff}.pager span{margin-right:8px}
/* Chart */
.chart{display:flex;align-items:flex-end;gap:2px;padding:6px 0 22px;border-bottom:1px solid var(--line)}
.chart .bar{height:100%;display:flex;flex-direction:column;justify-content:flex-end;position:relative;min-width:6px}
.chart .bar span{display:block;background:linear-gradient(180deg,var(--brand),#a87921);border-radius:3px 3px 0 0;min-height:1px}
.chart .bar:hover span{background:var(--ink)}
.chart .bar em{position:absolute;bottom:-20px;left:50%;transform:translateX(-50%) rotate(0);font-style:normal;font-size:.62rem;color:var(--muted);white-space:nowrap}
.chart .bar:nth-child(even) em{visibility:hidden}
/* Lists */
.log{list-style:none;padding:0;margin:0;font-size:.88rem}.log li{padding:6px 0;border-bottom:1px dashed var(--line)}
.checklist{list-style:none;padding:0;margin:0}.checklist li{padding:7px 0 7px 28px;position:relative;border-bottom:1px solid #f1ede6}
.checklist li::before{position:absolute;left:0;top:7px;width:20px;height:20px;border-radius:50%;text-align:center;font-size:.75rem;line-height:20px}
.checklist li.ok::before{content:"✓";background:#e2f3e7;color:var(--green)}
.checklist li.todo::before{content:"!";background:#fbf0d9;color:#8f5b0c;font-weight:700}
/* Product images & BOM */
.img-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}
.img-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:8px;display:flex;flex-direction:column;gap:6px}
.img-item img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:6px;background:#faf8f4}
.img-item input{width:100%;font-size:.8rem}.img-item input.warn{border-color:var(--amber);background:#fffaf0}
.img-item form{display:flex;flex-direction:column;gap:5px}
.bom{background:#faf8f4;border:1px dashed #d6cfc2;border-radius:8px;padding:10px;margin:8px 0}
.danger-zone{border-color:#efc4c0;background:#fffafa}
/* POS */
.pos{display:grid;grid-template-columns:1.5fr 1fr;gap:16px;align-items:start}
.pos-left,.pos-right{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.pos-right{position:sticky;top:70px}
.pos-search{width:100%;margin-bottom:10px;padding:10px 12px !important;font-size:1rem}
.pos-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;max-height:68vh;overflow-y:auto}
.pos-tile{border:1px solid var(--line);border-radius:9px;background:#fff;padding:8px;text-align:left;cursor:pointer;display:flex;flex-direction:column;gap:3px;font-size:.85rem;min-height:84px}
.pos-tile:hover{border-color:var(--brand);background:#fffaf0}
.pos-tile img{width:100%;height:64px;object-fit:cover;border-radius:6px;background:#f4f0e8}
.pos-tile b{font-size:.88rem;line-height:1.25}.pos-tile .price{font-weight:700}.pos-tile .stk{font-size:.74rem;color:var(--muted)}
.pos-tile.out{opacity:.5}
.pos-lines{display:flex;flex-direction:column;gap:6px;margin-bottom:12px;max-height:40vh;overflow-y:auto}
.pos-line{display:grid;grid-template-columns:1fr auto auto auto;gap:6px;align-items:center;border-bottom:1px dashed var(--line);padding-bottom:6px;font-size:.88rem}
.pos-line .qty{display:flex;align-items:center;gap:3px}.pos-line .qty button{width:28px;height:28px;border:1px solid var(--line);background:#fff;border-radius:6px;cursor:pointer}
.pos-line .qty input{width:46px;text-align:center}.pos-line .pr{width:78px}
.pos-line .rm{border:0;background:none;color:var(--red);cursor:pointer;font-size:1.1rem}
.pos-total{display:flex;flex-direction:column;gap:4px;margin:12px 0;font-size:1rem}
.pos-total div{display:flex;justify-content:space-between}.pos-total dt{color:var(--muted)}.pos-total dd{margin:0;font-weight:700;font-size:1.15rem}
.pos-right details{margin:8px 0}.pos-right summary{cursor:pointer;color:var(--brand-d);font-size:.9rem}
/* Login */
body.login-page{margin:0;min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 30% 20%,#fff6df,#efe7da 60%);font-family:"Noto Sans TC","PingFang HK","Microsoft JhengHei",system-ui,sans-serif;color:var(--ink)}
.login-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px 30px;width:min(380px,92vw);display:flex;flex-direction:column;gap:12px;box-shadow:0 10px 40px rgba(60,40,0,.08);text-align:center}
.login-card h1{font-size:1.3rem;margin:4px 0 0}.login-card img{margin:0 auto;border-radius:50%}
.login-card label{text-align:left}.login-card input{width:100%;padding:10px 12px}
/* Print documents */
body.print-doc{font-family:"Noto Sans TC","PingFang HK","Microsoft JhengHei",sans-serif;max-width:780px;margin:24px auto;color:#111;padding:0 16px;background:#fff}
.print-doc .tbl th{background:#f3f3f3}
.print-head{display:flex;justify-content:space-between;gap:20px;border-bottom:2px solid #111;padding-bottom:10px;margin-bottom:16px}
.print-head h1{font-size:1.4rem;margin:0 0 4px}
.gift-card{border:1px dashed #999;border-radius:10px;padding:18px;margin-top:22px;font-size:1.05rem;white-space:pre-wrap;page-break-inside:avoid}
@media print{.no-print{display:none !important}body.print-doc{margin:0}}
/* Responsive */
@media (max-width:1100px){.grid2,.grid2.wide-left{grid-template-columns:1fr}.pos{grid-template-columns:1fr}.pos-right{position:static}}
@media (max-width:860px){
  .side{position:fixed;left:0;top:0;transform:translateX(-100%);transition:transform .2s;box-shadow:4px 0 20px rgba(0,0,0,.2)}
  body.side-open .side{transform:none}
  .side-toggle{display:inline-block}
  .top{padding:8px 12px}.top-right{gap:8px;font-size:.8rem}.top-right a[target]{display:none}
  .content{padding:14px 12px 30px}
  .form-grid{grid-template-columns:1fr}
}
.side-toggle{width:38px;height:34px;padding:8px 9px}
.side-toggle span{display:block;height:2px;background:currentColor;border-radius:2px;margin:0 0 5px}
.side-toggle span:last-child{margin:0}
form.form label{display:block;font-size:.82rem;color:var(--muted);margin:0 0 8px}
form.form label>input,form.form label>textarea,form.form label>select{display:block;width:100%;margin-top:3px;color:var(--ink)}
.checklist li small{display:block;margin-top:2px}

/* v1.1: POS shifts, receipt modal, offline queue, 2-step */
.shift-bar{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;padding:10px 14px;margin-bottom:12px;border-left:4px solid #c9c3b3}
.shift-bar.on{border-left-color:var(--green,#3d7a4f)}.shift-bar form.inline{display:flex;gap:8px;align-items:center;margin:0}
.offline-badge{background:#fbf0d9;color:#8f5b0c;border-radius:999px;padding:4px 10px;font-size:.85rem;display:inline-flex;gap:8px;align-items:center}
.pos-modal{position:fixed;inset:0;background:rgba(30,30,25,.45);display:flex;align-items:center;justify-content:center;z-index:100;padding:16px}
.pos-modal[hidden]{display:none}.pos-modal-box{max-width:380px;width:100%;text-align:center}.pos-modal-box .big{font-size:2rem;font-weight:700;margin:6px 0}
img.qr{image-rendering:pixelated;background:#fff;padding:6px;border-radius:6px}
pre.codes{font-size:1.05rem;letter-spacing:.06em;background:#fff;padding:10px;border-radius:6px;columns:2}
input.num{width:72px;text-align:right}
form.inline{display:inline}
/* v1.2 */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:900px){.grid-2{grid-template-columns:1fr}}
ul.plain{list-style:none;margin:0 0 12px;padding:0}ul.plain li{padding:4px 0;border-bottom:1px dashed #e4dfd0}
.kpi b small{font-size:12px;font-weight:400;color:#6a6d5a;display:block}
.tier-pill{display:inline-block;padding:1px 8px;border-radius:99px;background:#f5cb2e;font-size:12px}