:root{--paper:#F5F2EA;--deep:#ECE5D5;--ink:#17140F;--stone:#6f6859;--line:#DCD3BC;--gold:#8A6636;--gold2:#B8905A;--white:#fff;--ok:#2f7d4f;--warn:#b7791f;--bad:#9b2c2c;--radius:8px}
*{box-sizing:border-box}
body{margin:0;font:14px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--paper);color:var(--ink)}
.boot{padding:40px;text-align:center;color:var(--stone)}
h1,h2,h3{margin:0 0 12px;font-weight:600}
h1{font-size:22px}h2{font-size:17px}h3{font-size:14px}
button,input,select,textarea{font:inherit;color:inherit}
input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:var(--white)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--gold2);outline-offset:-1px}
textarea{resize:vertical;min-height:60px}
input[type=checkbox]{width:auto}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--ink);background:var(--ink);color:#fff;border-radius:6px;cursor:pointer;white-space:nowrap}
.btn:hover{background:#000}.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--ink)}.btn.ghost:hover{background:var(--deep)}
.btn.danger{background:var(--bad);border-color:var(--bad)}
.btn.sm{padding:4px 10px;font-size:12px}
.login{max-width:360px;margin:12vh auto;background:var(--white);padding:32px;border:1px solid var(--line);border-radius:var(--radius)}
.login img{height:40px;margin-bottom:18px}
.login label{display:block;margin:12px 0 4px;font-size:12px;color:var(--stone)}
.login .btn{width:100%;justify-content:center;margin-top:18px}
.err{color:var(--bad);margin-top:12px}
.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}
.sidebar{background:var(--ink);color:#E6DFCF;padding:18px 0;position:sticky;top:0;height:100vh;overflow:auto}
.sidebar .brand{padding:0 18px 18px;display:flex;align-items:center;gap:10px}
.sidebar .brand img{height:28px;filter:invert(1) brightness(2)}
.sidebar .brand b{letter-spacing:.08em;font-size:13px}
.sidebar a{display:flex;justify-content:space-between;align-items:center;padding:9px 18px;color:#cfc7b4;text-decoration:none;border-left:3px solid transparent}
.sidebar a:hover{background:#2a251c}
.sidebar a.on{background:#2a251c;color:#fff;border-left-color:var(--gold2)}
.sidebar .who{padding:16px 18px;margin-top:12px;border-top:1px solid #3a342a;font-size:12px;color:#a79f8b}
.sidebar .who button{margin-top:8px}
.badge{background:var(--bad);color:#fff;border-radius:10px;padding:0 7px;font-size:11px}
main{padding:24px 28px;min-width:0}
.bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.bar .grow{flex:1}
.bar input,.bar select{width:auto}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px;margin-bottom:20px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.card .k{font-size:12px;color:var(--stone)}
.card .v{font-size:22px;font-weight:600;margin-top:4px;font-variant-numeric:tabular-nums}
.card.alert{border-color:var(--bad)}.card.alert .v{color:var(--bad)}
.card.warn{border-color:var(--warn)}.card.warn .v{color:var(--warn)}
.card a{color:inherit;text-decoration:none}
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:18px;overflow-x:auto}
table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:12px;color:var(--stone);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:8px 10px;border-bottom:1px solid #eee8d8;vertical-align:middle}
tr:last-child td{border-bottom:0}
.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
td input,td select{padding:5px 8px}
td input.price{width:78px;text-align:right}
.pill{display:inline-block;padding:1px 9px;border-radius:10px;font-size:12px;background:var(--deep)}
.pill.ok{background:#dff1e5;color:var(--ok)}.pill.warn{background:#fbecc8;color:var(--warn)}.pill.bad{background:#f6d9d9;color:var(--bad)}
.muted{color:var(--stone)}.ar{direction:rtl;unicode-bidi:plaintext}
.tabs{display:flex;gap:4px;margin-bottom:14px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.tabs button{border:0;background:none;padding:8px 14px;cursor:pointer;border-bottom:2px solid transparent;color:var(--stone)}
.tabs button.on{color:var(--ink);border-bottom-color:var(--gold2);font-weight:600}
.row-total td{font-weight:600;border-top:2px solid var(--ink)}
.row-section td{background:var(--deep);font-weight:600;font-size:12px;letter-spacing:.05em;text-transform:uppercase}
/* modal */
.modal-back{position:fixed;inset:0;background:rgba(23,20,15,.5);display:flex;align-items:flex-start;justify-content:center;padding:6vh 14px;z-index:50;overflow:auto}
.modal{background:var(--white);border-radius:var(--radius);padding:22px;width:100%;max-width:520px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal.wide{max-width:760px}
.modal h2{margin-bottom:14px}
.fld{margin-bottom:12px}.fld label{display:block;font-size:12px;color:var(--stone);margin-bottom:4px}
.fld .hint{font-size:12px;color:var(--stone);margin-top:3px}
.fld.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.actions{display:flex;gap:10px;justify-content:flex-end;margin-top:16px}
#toasts{position:fixed;bottom:16px;right:16px;display:flex;flex-direction:column;gap:8px;z-index:99}
.toast{background:var(--ink);color:#fff;padding:10px 16px;border-radius:6px;max-width:360px}
.toast.bad{background:var(--bad)}
/* POS */
.pos{display:grid;grid-template-columns:1fr 340px;gap:18px}
.pos-items{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.pos-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:10px}
.pos-item b{display:block;font-size:13px}
.pos-item .ar{font-size:12px;color:var(--stone)}
.pos-item .vs{display:flex;gap:6px;margin-top:8px}
.pos-item .vs button{flex:1;padding:6px 4px;border:1px solid var(--line);background:var(--paper);border-radius:6px;cursor:pointer;font-size:12px}
.pos-item .vs button:hover{background:var(--gold2);color:#fff;border-color:var(--gold2)}
.pos-item.out{opacity:.45}
.cart{position:sticky;top:20px;align-self:start}
.cart .tot{display:flex;justify-content:space-between;font-size:18px;font-weight:600;margin:12px 0}
.qty{display:inline-flex;align-items:center;gap:6px}
.qty button{width:24px;height:24px;border:1px solid var(--line);background:var(--white);border-radius:50%;cursor:pointer}
/* receipt */
.receipt{font-family:"Courier New",monospace;font-size:13px;max-width:320px;margin:0 auto}
.receipt h3{text-align:center;margin:0}
.receipt .c{text-align:center}.receipt hr{border:0;border-top:1px dashed #000;margin:8px 0}
.receipt .l{display:flex;justify-content:space-between;gap:8px}
@media (max-width:900px){.shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;display:flex;flex-wrap:wrap;padding:8px}.sidebar .brand,.sidebar .who{display:none}.sidebar a{border-left:0;padding:8px 12px}main{padding:16px}.pos{grid-template-columns:1fr}.cart{position:static}}
@media print{.sidebar,.bar,.noprint,#toasts,.tabs{display:none!important}.shell{display:block}main{padding:0}body.has-modal main{display:none}.modal-back{position:static;background:none;padding:0;display:block}.modal{box-shadow:none;max-width:none;padding:0}.panel{border:0;padding:0}}