:root{
  --navy:#152A43;
  --navy-2:#1B3A5C;
  --teal:#0E9594;
  --teal-light:#E4F5F4;
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --ink:#1F2937;
  --ink-soft:#5B6779;
  --line:#E3E8EF;
  --amber:#F59E0B;
  --green:#16A34A;
  --red:#DC2626;
  --radius:10px;
  --shadow:0 1px 2px rgba(21,42,67,.06), 0 4px 14px rgba(21,42,67,.06);
  --font-display:'Sora',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--font-display);color:var(--navy);margin:0;}
button{font-family:var(--font-body);cursor:pointer;}
input,select{font-family:var(--font-body);}

/* ===== TOP BAR ===== */
.topbar{
  display:flex;
  align-items:center;
  gap:24px;
  background:var(--navy);
  padding:0 20px;
  height:64px;
  box-shadow:var(--shadow);
  position:sticky;top:0;z-index:50;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:9px;
  background:linear-gradient(135deg,var(--teal),#0BC5C4);
  color:#fff;font-family:var(--font-display);font-weight:800;
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{color:#fff;font-family:var(--font-display);font-size:15px;font-weight:700;}
.brand-text small{color:#9FB3C8;font-size:11px;}

.modnav{display:flex;gap:2px;overflow-x:auto;flex:1;scrollbar-width:none;}
.modnav::-webkit-scrollbar{display:none;}
.mod-btn{
  background:transparent;border:none;color:#B9C7D6;
  padding:10px 14px;border-radius:8px;font-size:13.5px;font-weight:600;
  white-space:nowrap;transition:.15s;
}
.mod-btn:hover{background:rgba(255,255,255,.06);color:#fff;}
.mod-btn.active{background:var(--teal);color:#fff;}

.topbar-right{flex-shrink:0;}
.clock{color:#9FB3C8;font-family:var(--font-mono);font-size:13px;}

/* ===== MAIN ===== */
.app-main{max-width:1320px;margin:0 auto;padding:24px 20px 60px;}
.view{display:none;}
.view.active{display:block;animation:fadein .18s ease;}
@keyframes fadein{from{opacity:0;transform:translateY(4px);}to{opacity:1;transform:none;}}

.page-head{margin-bottom:18px;}
.page-head h1{font-size:22px;}
.page-head .sub{color:var(--ink-soft);font-size:13.5px;margin-top:3px;}

/* ===== CARDS ===== */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:20px;
  margin-bottom:18px;
}
.card h3{font-size:15px;margin-bottom:12px;}

/* ===== STAT GRID ===== */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px;}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:6px;
}
.stat-label{font-size:12px;color:var(--ink-soft);font-weight:600;text-transform:uppercase;letter-spacing:.04em;}
.stat-value{font-family:var(--font-display);font-size:26px;font-weight:700;color:var(--navy-2);}

/* ===== FORMS ===== */
.form-card{padding:20px;}
.field-row{display:flex;gap:14px;margin-bottom:14px;flex-wrap:wrap;}
.field{display:flex;flex-direction:column;gap:5px;min-width:140px;}
.field.grow{flex:1;min-width:200px;}
.field.small{max-width:110px;}
.field.btn-field{justify-content:flex-end;}
.field label{font-size:12px;font-weight:600;color:var(--ink-soft);}
.field input,.field select{
  border:1px solid var(--line);border-radius:8px;padding:9px 11px;
  font-size:14px;color:var(--ink);background:#fff;
}
.field input:focus,.field select:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:var(--teal);}
.field input[readonly]{background:#F0F3F7;color:var(--ink-soft);}

.form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:6px;}

.btn{border:none;border-radius:8px;padding:10px 18px;font-size:13.5px;font-weight:700;transition:.15s;}
.btn-primary{background:var(--teal);color:#fff;}
.btn-primary:hover{background:#0C8483;}
.btn-outline{background:#fff;border:1.5px solid var(--navy-2);color:var(--navy-2);}
.btn-outline:hover{background:var(--navy-2);color:#fff;}
.btn-ghost{background:transparent;color:var(--ink-soft);border:1px solid var(--line);}
.btn-ghost:hover{background:#F0F3F7;}
.btn-danger{background:#FDECEC;color:var(--red);}
.btn-danger:hover{background:var(--red);color:#fff;}
.btn-sm{padding:6px 10px;font-size:12px;border-radius:6px;}

/* ===== SPLIT LAYOUT (form + receipt preview) ===== */
.split-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:18px;align-items:start;}
@media(max-width:960px){.split-layout{grid-template-columns:1fr;}}

/* ===== TABLES ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;}
.data-table{width:100%;border-collapse:collapse;font-size:13.5px;}
.data-table thead th{
  background:var(--teal-light);color:var(--navy-2);text-align:left;
  padding:10px 12px;font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.03em;
  border-bottom:1px solid var(--line);
}
.data-table td{padding:10px 12px;border-bottom:1px solid var(--line);color:var(--ink);}
.data-table tbody tr:last-child td{border-bottom:none;}
.data-table tbody tr:hover{background:#FAFBFD;}
.data-table .num{font-family:var(--font-mono);}

/* ===== BILL SUMMARY ===== */
.bill-summary{border-top:1px dashed var(--line);margin-top:14px;padding-top:12px;}
.brow{display:flex;justify-content:space-between;padding:5px 0;font-size:13.5px;color:var(--ink-soft);}
.brow span:last-child{font-family:var(--font-mono);}
.brow.total{border-top:1px solid var(--line);margin-top:6px;padding-top:10px;font-size:17px;font-weight:800;color:var(--navy-2);}
.brow.total span:last-child{color:var(--teal);}

/* ===== THERMAL RECEIPT PREVIEW ===== */
.receipt-pane{position:sticky;top:84px;}
.receipt-label{font-size:12px;font-weight:700;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px;}
.thermal-slip{
  background:#fff;
  width:280px;max-width:100%;
  margin:0 auto;
  padding:16px 14px 24px;
  font-family:var(--font-mono);
  font-size:12px;
  color:#111;
  box-shadow:var(--shadow);
  border-radius:2px;
  position:relative;
  background-image:
    radial-gradient(circle at 4px 0, transparent 4px, #fff 4.5px);
}
.thermal-slip::before{
  content:"";position:absolute;top:-6px;left:0;right:0;height:12px;
  background:repeating-linear-gradient(90deg,#fff 0 6px,var(--bg) 6px 12px);
}
.thermal-empty{color:#9CA3AF;text-align:center;padding:30px 0;font-family:var(--font-body);font-size:12.5px;}
.t-center{text-align:center;}
.t-bold{font-weight:700;}
.t-line{border-top:1px dashed #999;margin:8px 0;}
.t-row{display:flex;justify-content:space-between;gap:6px;margin:2px 0;}
.t-title{font-size:14px;font-weight:700;}
.t-small{font-size:10.5px;color:#555;}

/* ===== TABLE GRID (table master) ===== */
.table-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px;}
.table-tile{
  border:1.5px solid var(--line);border-radius:10px;padding:14px 10px;text-align:center;background:#fff;
}
.table-tile .tname{font-family:var(--font-display);font-weight:700;color:var(--navy-2);font-size:15px;}
.table-tile .tseats{color:var(--ink-soft);font-size:11.5px;margin-top:2px;}
.table-tile .del{margin-top:8px;}

/* ===== MISC ===== */
.report-footer{margin-top:12px;font-weight:700;color:var(--navy-2);text-align:right;font-family:var(--font-mono);}
.hint{color:var(--ink-soft);font-size:12px;margin-top:10px;}
.status-pill{padding:3px 9px;border-radius:20px;font-size:11px;font-weight:700;}
.status-paid{background:#E7F7EE;color:var(--green);}
.status-unpaid{background:#FEF2E8;color:var(--amber);}

.toast{
  position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--navy);color:#fff;padding:11px 20px;border-radius:8px;font-size:13.5px;font-weight:600;
  opacity:0;pointer-events:none;transition:.25s;box-shadow:var(--shadow);z-index:100;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

@media(max-width:640px){
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .modnav{gap:0;}
}

/* ===== PRINT (browser print mode) ===== */
@media print{
  body *{visibility:hidden;}
  #printArea, #printArea *{visibility:visible;}
  #printArea{position:absolute;top:0;left:0;width:80mm;font-family:var(--font-mono);}
}