:root {
  --bg: #120e0a;
  --surface: #1a1510;
  --surface2: #241d15;
  --surface3: #2e261a;
  --border: #3b3023;
  --border2: #4a3e2e;
  --accent: #d4af37;
  --accent2: #f2ce5e;
  --accent-dim: rgba(212, 175, 55, 0.15);
  --green: #10b981;
  --green-dim: rgba(16,185,129,0.12);
  --red: #ef4444;
  --red-dim: rgba(239,68,68,0.12);
  --blue: #3b82f6;
  --blue-dim: rgba(59,130,246,0.12);
  --purple: #a855f7;
  --purple-dim: rgba(168,85,247,0.12);
  --text: #fdfbf7;
  --text2: #d1c9b8;
  --text3: #948b76;
  --op1: #d4af37;
  --op2: #a37c27;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,0.6);
}

:root.light-mode {
  --bg: #f5f3ef;
  --surface: #ffffff;
  --surface2: #eae5da;
  --surface3: #ddd7c9;
  --border: #d0c9b6;
  --border2: #b8b19e;
  --accent: #b08d23;
  --accent2: #d4af37;
  --accent-dim: rgba(176, 141, 35, 0.15);
  --green: #059669;
  --green-dim: rgba(5,150,105,0.15);
  --red: #dc2626;
  --red-dim: rgba(220,38,38,0.15);
  --blue: #2563eb;
  --blue-dim: rgba(37,99,235,0.15);
  --purple: #9333ea;
  --purple-dim: rgba(147,51,234,0.15);
  --text: #1c1914;
  --text2: #4a443a;
  --text3: #726b5d;
  --op1: #b08d23;
  --op2: #80601a;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);font-size:14px}
/* SCROLLBAR */
::-webkit-scrollbar{width:4px;height:4px}
::-webkit-scrollbar-track{background:var(--surface)}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px}
/* LOGIN */
#loginScreen{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg);position:relative;overflow:hidden;background-image:radial-gradient(ellipse 60% 60% at 50% 50%,rgba(212, 175, 55,0.08) 0%,transparent 70%);}
.login-card{background:var(--surface);border:1px solid var(--border2);border-radius:16px;padding:48px 40px;width:380px;max-width:95vw;position:relative;z-index:1}
.login-logo{font-family:'Outfit',sans-serif;font-size:26px;font-weight:800;color:var(--accent);letter-spacing:-0.5px;margin-bottom:4px}
.login-sub{color:var(--text3);font-size:12px;margin-bottom:36px;font-family:'Roboto Mono',monospace}
.login-label{font-size:11px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:1px;margin-bottom:6px;display:block}
.login-input{width:100%;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;color:var(--text);font-family:'Inter',sans-serif;font-size:14px;outline:none;transition:.2s;margin-bottom:18px}
.login-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
.login-btn{width:100%;background:var(--accent);color:#0a0805;border:none;border-radius:var(--radius);padding:13px;font-family:'Outfit',sans-serif;font-weight:700;font-size:15px;cursor:pointer;transition:.2s;margin-top:4px}
.login-btn:hover{background:var(--accent2);transform:translateY(-1px);box-shadow:0 4px 15px rgba(212,175,55,0.3);}
.login-error{color:var(--red);font-size:12px;margin-top:-10px;margin-bottom:12px;display:none}
/* APP SHELL */
#app{display:none;height:100vh;overflow:hidden;flex-direction:row}
/* SIDEBAR */
#sidebar{width:220px;min-width:220px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;transition:.3s}
.sidebar-header{padding:20px 18px 16px;border-bottom:1px solid var(--border)}
.sidebar-logo{font-family:'Outfit',sans-serif;font-weight:800;font-size:18px;color:var(--accent);letter-spacing:-0.3px}
.sidebar-user{font-size:11px;color:var(--text3);font-family:'Roboto Mono',monospace;margin-top:2px}
.sidebar-nav{flex:1;padding:12px 8px;overflow-y:auto}
.nav-section{font-size:10px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:1.2px;padding:8px 10px 4px}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;cursor:pointer;color:var(--text2);font-size:13px;font-weight:500;transition:.15s;margin-bottom:1px;white-space:nowrap;overflow:hidden}
.nav-item:hover{background:var(--surface2);color:var(--text)}
.nav-item.active{background:var(--accent-dim);color:var(--accent);font-weight:600}
.nav-item .icon{font-size:16px;flex-shrink:0}
.sidebar-footer{padding:12px 8px;border-top:1px solid var(--border)}
/* MAIN */
#main{flex:1;overflow:hidden;display:flex;flex-direction:column}
.topbar{height:52px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px;gap:12px;flex-shrink:0}
.topbar-title{font-family:'Outfit',sans-serif;font-weight:700;font-size:18px;flex:1}
.topbar-badge{background:var(--surface2);border:1px solid var(--border);border-radius:20px;padding:3px 10px;font-size:11px;font-family:'Roboto Mono',monospace;color:var(--text2)}
.content{flex:1;overflow-y:auto;padding:20px}
/* CARDS */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.card-title{font-family:'Outfit',sans-serif;font-weight:700;font-size:15px;margin-bottom:14px;color:var(--text)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;position:relative;overflow:hidden}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px}
.stat-card.amber::before{background:var(--accent)}
.stat-card.green::before{background:var(--green)}
.stat-card.blue::before{background:var(--blue)}
.stat-card.purple::before{background:var(--purple)}
.stat-label{font-size:11px;color:var(--text3);text-transform:uppercase;letter-spacing:0.8px;font-weight:600;font-family:'Roboto Mono',monospace}
.stat-value{font-family:'Outfit',sans-serif;font-size:26px;font-weight:800;margin:6px 0 2px;line-height:1}
.stat-sub{font-size:11px;color:var(--text2)}
/* TABLE */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border)}
table{width:100%;border-collapse:collapse}
thead{background:var(--surface2)}
th{padding:10px 14px;text-align:left;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.8px;color:var(--text3);font-family:'Roboto Mono',monospace;white-space:nowrap}
td{padding:10px 14px;border-top:1px solid var(--border);font-size:13px;color:var(--text2)}
tr:hover td{background:rgba(255,255,255,0.02)}
/* BADGE */
.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:600;font-family:'Roboto Mono',monospace}
.badge.green{background:var(--green-dim);color:var(--green)}
.badge.red{background:var(--red-dim);color:var(--red)}
.badge.amber{background:var(--accent-dim);color:var(--accent)}
.badge.blue{background:var(--blue-dim);color:var(--blue)}
.badge.purple{background:var(--purple-dim);color:var(--purple)}
/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:8px;font-family:'Inter',sans-serif;font-weight:600;font-size:13px;cursor:pointer;border:none;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--accent);color:#000}
.btn-primary:hover{background:var(--accent2)}
.btn-ghost{background:var(--surface2);color:var(--text2);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--surface3);color:var(--text)}
.btn-danger{background:var(--red-dim);color:var(--red);border:1px solid rgba(239,68,68,0.2)}
.btn-danger:hover{background:rgba(239,68,68,0.2)}
.btn-green{background:var(--green-dim);color:var(--green);border:1px solid rgba(16,185,129,0.2)}
.btn-green:hover{background:rgba(16,185,129,0.2)}
.btn-sm{padding:5px 11px;font-size:12px}
/* FORM */
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:11px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:0.8px;margin-bottom:6px}
.form-control{width:100%;background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:10px 12px;color:var(--text);font-family:'Inter',sans-serif;font-size:14px;outline:none;transition:.2s}
.form-control:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
select.form-control option{background:var(--surface2)}
.form-row{display:grid;gap:14px}
.form-row.cols-2{grid-template-columns:1fr 1fr}
.form-row.cols-3{grid-template-columns:1fr 1fr 1fr}
/* MODAL */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.7);z-index:1000;display:none;align-items:center;justify-content:center;padding:20px}
.modal-overlay.open{display:flex}
.modal{background:var(--surface);border:1px solid var(--border2);border-radius:16px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;padding:28px}
.modal-title{font-family:'Outfit',sans-serif;font-weight:700;font-size:18px;margin-bottom:20px;color:var(--text)}
.modal-footer{display:flex;gap:10px;justify-content:flex-end;margin-top:24px;padding-top:18px;border-top:1px solid var(--border)}
/* TABS */
.tabs{display:flex;gap:2px;background:var(--surface2);border-radius:10px;padding:3px;margin-bottom:20px}
.tab{flex:1;padding:8px 12px;border-radius:8px;cursor:pointer;font-size:13px;font-weight:500;color:var(--text3);text-align:center;transition:.15s}
.tab.active{background:var(--surface);color:var(--text);font-weight:600}
/* OP INDICATOR */
.op-dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex-shrink:0}
.op-dot.op1{background:var(--op1)}
.op-dot.op2{background:var(--op2)}
/* MISC */
.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}.mb-2{margin-bottom:8px}.mb-3{margin-bottom:12px}.mb-4{margin-bottom:16px}
.text-green{color:var(--green)}.text-red{color:var(--red)}.text-amber{color:var(--accent)}.text-blue{color:var(--blue)}.text-muted{color:var(--text3)}
.mono{font-family:'Roboto Mono',monospace}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.divider{height:1px;background:var(--border);margin:16px 0}
.empty-state{text-align:center;padding:40px;color:var(--text3)}
.empty-state .icon{font-size:36px;margin-bottom:10px}
.tag{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600;font-family:'Roboto Mono',monospace}
.tag.op1{background:rgba(245,158,11,0.1);color:var(--op1);border:1px solid rgba(245,158,11,0.2)}
.tag.op2{background:rgba(59,130,246,0.1);color:var(--op2);border:1px solid rgba(59,130,246,0.2)}
/* VENDA FAST */
.produto-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}
.produto-btn{background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:14px 10px;cursor:pointer;text-align:center;transition:.15s;position:relative}
.produto-btn:hover{border-color:var(--accent);background:var(--accent-dim)}
.produto-btn.selected{border-color:var(--accent);background:var(--accent-dim)}
.produto-btn .p-name{font-weight:600;font-size:13px;color:var(--text);margin-top:6px;line-height:1.2}
.produto-btn .p-price{font-family:'Roboto Mono',monospace;font-size:12px;color:var(--accent);margin-top:4px}
.produto-btn .p-op{font-size:10px;color:var(--text3);margin-top:2px}
.cart-item{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border)}
.qty-ctrl{display:flex;align-items:center;gap:8px}
.qty-btn{width:26px;height:26px;border-radius:6px;border:1px solid var(--border);background:var(--surface3);color:var(--text);cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;font-weight:700}
.qty-btn:hover{border-color:var(--accent);color:var(--accent)}
/* TOAST */
.toast-container{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--surface2);border:1px solid var(--border2);border-radius:10px;padding:12px 18px;font-size:13px;font-weight:500;min-width:220px;box-shadow:var(--shadow);animation:slideIn .25s ease}
.toast.success{border-left:3px solid var(--green);color:var(--green)}
.toast.error{border-left:3px solid var(--red);color:var(--red)}
.toast.info{border-left:3px solid var(--blue);color:var(--blue)}
@keyframes slideIn{from{transform:translateX(40px);opacity:0}to{transform:translateX(0);opacity:1}}
/* PROGRESS */
.progress-bar{height:6px;background:var(--surface3);border-radius:3px;overflow:hidden;margin-top:8px}
.progress-fill{height:100%;border-radius:3px;transition:width .5s}
/* HAMBURGER */
.hamburger{display:none;cursor:pointer;padding:6px;background:var(--surface2);border:1px solid var(--border);border-radius:6px;flex-direction:column;gap:4px;margin-right:8px}
.hamburger span{width:18px;height:2px;background:var(--text2);display:block;border-radius:1px}
/* SIDEBAR OVERLAY */
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.5);z-index:200}
/* MOBILE */
@media(max-width:768px){
  #sidebar{position:fixed;left:-220px;top:0;bottom:0;z-index:300;transition:.3s}
  #sidebar.open{left:0}
  .sidebar-overlay.open{display:block}
  .hamburger{display:flex}
  #app{flex-direction:column}
  #main{height:100vh}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .form-row.cols-2,.form-row.cols-3{grid-template-columns:1fr}
  .content{padding:14px}
  .topbar{padding:0 14px}
}
/* ALERTA ESTOQUE */
.alert{border-radius:8px;padding:12px 14px;font-size:13px;margin-bottom:12px}
.alert.warning{background:rgba(245,158,11,0.1);border:1px solid rgba(245,158,11,0.25);color:var(--accent)}
.alert.danger{background:var(--red-dim);border:1px solid rgba(239,68,68,0.25);color:var(--red)}
.alert.success{background:var(--green-dim);border:1px solid rgba(16,185,129,0.25);color:var(--green)}
/* PRINT */
@media print{
  #sidebar,#topbar,.btn,button{display:none!important}
  .content{padding:0}
  body{background:#fff;color:#000}
  .card,.stat-card{border:1px solid #ccc}
}