:root{
  --bg:#f1f5f9; --panel:#ffffff; --ink:#0f172a; --muted:#64748b;
  --brand:#4f46e5; --brand2:#6366f1; --line:#e2e8f0;
  --green:#16a34a; --red:#dc2626; --amber:#d97706; --blue:#2563eb; --sky:#0ea5e9;
  --sidebar:#0f172a; --sidebar-ink:#cbd5e1;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',system-ui,Roboto,sans-serif;background:var(--bg);color:var(--ink);font-size:14px}
a{color:var(--brand);text-decoration:none}

/* ---------- login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#4f46e5,#0ea5e9)}
.login-card{background:#fff;border-radius:18px;padding:38px;width:380px;box-shadow:0 30px 60px rgba(0,0,0,.25)}
.login-card h1{margin:0 0 4px;font-size:22px}
.login-card .sub{color:var(--muted);margin-bottom:22px;font-size:13px}

/* ---------- layout ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--sidebar);color:var(--sidebar-ink);flex-shrink:0;
  position:fixed;top:0;bottom:0;overflow-y:auto;transition:transform .2s}
.sidebar .brand{padding:20px 12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  border-bottom:1px solid #1e293b;position:sticky;top:0;background:var(--sidebar);z-index:2}
.sidebar .brand .brand-tag{width:100%;text-align:center;color:var(--sidebar-ink,#94a3b8);opacity:.85;
  font-size:11px;letter-spacing:.3px;line-height:1.3;word-break:break-word}
.sidebar .brand a{display:block;width:100%}
.sidebar .brand img{display:block;width:100%;max-width:216px;height:auto;margin:0 auto}
.sidebar .brand .brand-text{display:block;width:100%;text-align:center;color:#fff;
  font-family:'Poppins','Segoe UI',system-ui,sans-serif;font-weight:800;
  font-size:23px;line-height:1.15;letter-spacing:.5px;word-break:break-word;
  text-transform:uppercase;text-shadow:0 1px 2px rgba(0,0,0,.25)}
.sidebar nav{padding:8px 0}
.sidebar a.nav-item{display:flex;align-items:center;gap:11px;padding:10px 20px;color:var(--sidebar-ink);font-size:13.5px}
.sidebar a.nav-item:hover{background:#1e293b;color:#fff}
.sidebar a.nav-item.active{background:var(--brand);color:#fff;border-right:3px solid #c7d2fe}
.sidebar .nav-item .ico{width:18px;text-align:center}
.sidebar .nav-group{padding:14px 20px 5px;font-size:10.5px;font-weight:700;letter-spacing:.8px;
  text-transform:uppercase;color:#64748b;margin-top:4px;border-top:1px solid #1e293b}
.sidebar nav > .nav-group:first-child{margin-top:0;border-top:0;padding-top:8px}
.main{flex:1;margin-left:240px;display:flex;flex-direction:column;min-height:100vh}
.topbar{background:var(--panel);height:60px;display:flex;align-items:center;justify-content:space-between;
  padding:0 22px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.topbar .title{font-weight:600;font-size:16px}
.topbar .user{display:flex;align-items:center;gap:10px;color:var(--muted)}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600}
.content{padding:22px;flex:1}
.menu-toggle{display:none;background:none;border:0;font-size:22px;cursor:pointer}

/* ---------- components ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px;margin-bottom:22px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 18px;position:relative;overflow:hidden}
.stat .label{color:var(--muted);font-size:12.5px;text-transform:uppercase;letter-spacing:.4px}
.stat .value{font-size:26px;font-weight:700;margin-top:6px}
.stat .ic{position:absolute;right:14px;top:14px;font-size:22px;opacity:.25}
.stat.green{border-top:3px solid var(--green)} .stat.blue{border-top:3px solid var(--blue)}
.stat.amber{border-top:3px solid var(--amber)} .stat.red{border-top:3px solid var(--red)}
.stat.indigo{border-top:3px solid var(--brand)} .stat.sky{border-top:3px solid var(--sky)}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;margin-bottom:20px}
.panel .ph{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.panel .ph h3{margin:0;font-size:15px}
.panel .pb{padding:18px}
.panel .pb.flush{padding:0}

table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:#f8fafc;color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.3px}
tbody tr:hover{background:#f8fafc}
.text-right{text-align:right}.text-center{text-align:center}

.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:11.5px;font-weight:600}
.badge-gray{background:#e2e8f0;color:#475569}
.badge-green{background:#dcfce7;color:#15803d}
.badge-red{background:#fee2e2;color:#b91c1c}
.badge-amber{background:#fef3c7;color:#b45309}
.badge-blue{background:#dbeafe;color:#1d4ed8}
.badge-purple{background:#ede9fe;color:#6d28d9}

.btn{display:inline-flex;align-items:center;gap:7px;background:var(--brand);color:#fff;border:0;
  padding:9px 16px;border-radius:9px;font-size:13.5px;cursor:pointer;font-weight:500}
.btn:hover{background:#4338ca}
.btn-sm{padding:6px 11px;font-size:12.5px;border-radius:7px}
.btn-ghost{background:#eef2ff;color:var(--brand)}
.btn-success{background:var(--green)} .btn-success:hover{filter:brightness(.95)}
.btn-danger{background:var(--red)} .btn-warn{background:var(--amber)}
.btn-light{background:#f1f5f9;color:var(--ink);border:1px solid var(--line)}

.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.form-grid .full{grid-column:1/-1}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:4px}
.field label{font-size:12.5px;color:var(--muted);font-weight:600}
.field input,.field select,.field textarea{padding:9px 11px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:inherit;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--brand2);box-shadow:0 0 0 3px #6366f133}
.btn-seg{display:flex;flex-wrap:wrap;gap:8px}
.btn-seg label{position:relative;cursor:pointer}
.btn-seg label input{position:absolute;opacity:0;pointer-events:none}
.btn-seg label span{display:inline-block;padding:8px 14px;border:1px solid var(--line);border-radius:9px;font-size:13px;font-weight:600;color:var(--muted);background:#fff;transition:.15s}
.btn-seg label input:checked+span{background:var(--brand2,#6366f1);border-color:var(--brand2,#6366f1);color:#fff;box-shadow:0 2px 6px #6366f155}
.btn-seg label:hover span{border-color:var(--brand2,#6366f1)}
.erp-modal-overlay{position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:1000;display:none;align-items:flex-start;justify-content:center;padding:40px 16px;overflow-y:auto}
.erp-modal-overlay.open{display:flex}
.erp-modal{background:#fff;border-radius:14px;max-width:760px;width:100%;box-shadow:0 20px 60px rgba(0,0,0,.35);animation:erppop .15s ease}
@keyframes erppop{from{transform:translateY(10px);opacity:.6}to{transform:none;opacity:1}}
.erp-modal .emh{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-bottom:1px solid var(--line)}
.erp-modal .emh h3{margin:0;font-size:16px}
.erp-modal .emb{padding:18px 20px}
.erp-modal .emx{cursor:pointer;border:0;background:#f1f5f9;border-radius:8px;width:32px;height:32px;font-size:18px;line-height:1}
.kv{display:grid;grid-template-columns:150px 1fr;gap:4px 12px;font-size:13.5px}
.kv .k{color:var(--muted);font-weight:600}

.alert{padding:11px 15px;border-radius:10px;margin-bottom:16px;font-size:13.5px}
.alert-success{background:#dcfce7;color:#15803d}
.alert-danger{background:#fee2e2;color:#b91c1c}
.alert-info{background:#dbeafe;color:#1d4ed8}
.alert-warning{background:#fef3c7;color:#b45309}

.toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap}
.toolbar .search{display:flex;gap:8px;flex-wrap:wrap}
.toolbar input,.toolbar select{padding:8px 11px;border:1px solid var(--line);border-radius:9px;font-size:13.5px}
.page-title{font-size:20px;font-weight:700;margin:0 0 18px}
.actions{display:flex;gap:6px}
.muted{color:var(--muted)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}

/* module toggle switch */
.switch{position:relative;display:inline-block;width:44px;height:24px}
.switch input{display:none}
.slider{position:absolute;inset:0;background:#cbd5e1;border-radius:24px;transition:.2s;cursor:pointer}
.slider:before{content:"";position:absolute;height:18px;width:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked+.slider{background:var(--green)}
.switch input:checked+.slider:before{transform:translateX(20px)}

/* room grid */
.room-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px}
.room{border-radius:12px;padding:14px;color:#fff;text-align:center;font-weight:600}
.room small{display:block;font-weight:400;opacity:.9;font-size:11px;margin-top:3px}
.room.vacant{background:var(--green)} .room.occupied{background:var(--red)}
.room.reserved{background:var(--amber)} .room.blocked{background:#64748b}
.room.maintenance,.room.out_of_order{background:#7c3aed}

@media(max-width:880px){
  .sidebar{transform:translateX(-100%);z-index:50}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .menu-toggle{display:block}
  .form-grid,.grid-2,.grid-3{grid-template-columns:1fr}
}
@media print{.sidebar,.topbar,.toolbar,.actions,.no-print{display:none!important}.main{margin:0}.content{padding:0}}

/* ---------- Touch POS ---------- */
.pos-wrap{display:grid;grid-template-columns:1fr 380px;gap:16px;align-items:start}
.pos-menu{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.pos-tabs{display:flex;gap:6px;flex-wrap:wrap;padding:12px;border-bottom:1px solid var(--line);position:sticky;top:60px;background:var(--panel);z-index:5}
.pos-tab{border:1px solid var(--line);background:#fff;border-radius:20px;padding:7px 14px;font-size:13px;cursor:pointer;font-weight:600}
.pos-tab.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.pos-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px;padding:16px}
.pos-tile{margin:0}
.pos-tile-btn{width:100%;border:1px solid var(--line);background:#fff;border-radius:12px;padding:0;overflow:hidden;cursor:pointer;display:flex;flex-direction:column;transition:.1s;text-align:left}
.pos-tile-btn:hover{border-color:var(--brand);box-shadow:0 4px 14px rgba(79,70,229,.15);transform:translateY(-2px)}
.pos-tile-img{height:120px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;overflow:hidden}
.pos-tile-img img{width:100%;height:100%;object-fit:cover}
.pos-ph{font-size:46px}
.pos-tile-name{font-size:14px;font-weight:600;padding:9px 10px 3px;line-height:1.25}
.pos-tile-price{font-size:14px;color:var(--brand);font-weight:700;padding:0 10px 10px}
.pos-cart{background:var(--panel);border:1px solid var(--line);border-radius:14px;position:sticky;top:74px;display:flex;flex-direction:column;max-height:calc(100vh - 90px);overflow-y:auto}
.pos-cart-hd{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}
.pos-cust{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:10px 14px;border-bottom:1px solid var(--line)}
.pos-cust select,.pos-cust input{padding:7px;border:1px solid var(--line);border-radius:8px;font-size:12.5px}
.pos-lines{overflow-y:auto;padding:8px 14px;max-height:42vh;min-height:90px}
.pos-line{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:5px 0;font-size:13px;border-bottom:1px dashed var(--line)}
.pos-line.committed{color:#475569}
.pos-kot-tag{font-size:10.5px;font-weight:700;color:var(--brand);text-transform:uppercase;margin:8px 0 2px;letter-spacing:.4px}
.pos-kot-tag.new{color:var(--amber)}
.pos-qtybox{display:flex;align-items:center;gap:6px}
.qbtn{border:1px solid var(--line);background:#fff;border-radius:6px;width:24px;height:24px;cursor:pointer;font-weight:700}
.pos-foot{border-top:1px solid var(--line);padding:12px 14px;background:#f8fafc;border-radius:0 0 14px 14px}
.pos-tot{display:flex;justify-content:space-between;font-size:13px;margin:2px 0}
.pos-tot.big{font-size:18px;font-weight:700;margin-top:6px}
.pos-disc{display:flex;gap:6px;margin:8px 0;align-items:center}
.pos-disc select,.pos-disc input{padding:7px;border:1px solid var(--line);border-radius:8px;font-size:12.5px;min-width:0;flex:1}
.pos-btns{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:8px}
.pos-btns .btn{justify-content:center;font-size:12.5px}
@media(max-width:900px){.pos-wrap{grid-template-columns:1fr}.pos-cart{position:static;max-height:none}}

/* POS v2 additions */
.pos-cat-title{font-weight:700;font-size:13px;color:var(--brand);text-transform:uppercase;letter-spacing:.5px;padding:12px 14px 4px;position:sticky;top:10px;background:var(--panel);z-index:4}
.pos-tile-img{position:relative}
.pos-tile-badge{position:absolute;top:6px;right:6px;font-size:16px;background:rgba(255,255,255,.92);border-radius:20px;padding:2px 7px;line-height:1.3;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.pos-pay #pospm_split{display:none;grid-template-columns:1fr 1fr 1fr;gap:6px;margin-top:6px}
.pos-pay #pospm_split .field{margin:0}
.pos-pay #pospm_split .field input{width:100%;padding:6px;font-size:12px}
.pos-pay .field{margin-bottom:4px}
.pos-disc select,.pos-disc input{min-width:0}

/* upload zones */
.upzone{border:2px dashed var(--line);border-radius:10px;padding:10px;text-align:center;transition:.15s;cursor:pointer}
.upzone.drag{border-color:var(--brand);background:#eef2ff}
.upzone.has{border-color:var(--green);background:#f0fdf4}
.upzone input[type=file]{width:100%;margin-bottom:6px}
.upzone-hint{font-size:12px;color:var(--muted)}

/* ---------- app footer ---------- */
.app-footer{margin-top:auto;padding:16px 22px;background:linear-gradient(135deg,#0f172a,#1e293b);color:#cbd5e1;border-top:3px solid var(--brand);text-align:center}
.app-footer .af-row{display:flex;flex-wrap:wrap;gap:8px 14px;justify-content:center;align-items:center;font-size:13px}
.app-footer .af-sep{color:#475569}
.app-footer a{color:#a5b4fc;text-decoration:none}
.app-footer a:hover{text-decoration:underline}
.app-footer .af-dev{margin-top:8px;font-size:13px;color:#94a3b8}
.app-footer .af-dev a{color:#fbbf24;font-weight:700}