:root {
  --bg:#f0f2f5;--surface:#fff;--surface2:#f8f9fa;--border:#e2e8f0;--border2:#cbd5e1;
  --text:#1e293b;--text2:#475569;--text3:#94a3b8;
  --primary:#2563eb;--primary-l:#dbeafe;--primary-d:#1d4ed8;
  --green:#059669;--green-l:#d1fae5;--green-d:#047857;
  --red:#dc2626;--red-l:#fee2e2;--red-d:#b91c1c;
  --orange:#d97706;--orange-l:#fef3c7;
  --purple:#7c3aed;--purple-l:#ede9fe;
  --r:8px;--sh:0 1px 3px rgba(0,0,0,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px;display:flex;flex-direction:column;overflow:hidden}

.header{background:var(--surface);border-bottom:1px solid var(--border);padding:0 32px;display:flex;align-items:center;height:56px;flex-shrink:0;z-index:100;box-shadow:var(--sh)}
.header h1{font-size:18px;font-weight:700;color:var(--primary);display:flex;align-items:center;gap:8px}
.nav{display:flex;gap:2px;margin-left:32px}
.nav button{padding:8px 16px;border:none;background:transparent;color:var(--text2);font-size:13px;font-weight:500;cursor:pointer;border-radius:6px;transition:.15s}
.nav button:hover{background:var(--surface2);color:var(--text)}
.nav button.active{background:var(--primary-l);color:var(--primary);font-weight:600}
/* .main is the single flex container; each .page controls its own scroll behavior */
.main{margin:0 auto;padding:20px 32px;flex:1;min-height:0;display:flex;flex-direction:column;width:100%;overflow:hidden}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--sh);margin-bottom:16px}
.card-header{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.card-header h2{font-size:15px;font-weight:600}
.card-body{padding:16px 18px}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:14px 16px}
.stat-label{font-size:12px;color:var(--text3);font-weight:500;text-transform:uppercase;letter-spacing:.03em}
.stat-value{font-size:24px;font-weight:700;margin-top:4px}
.stat-value.green{color:var(--green)}.stat-value.blue{color:var(--primary)}.stat-value.red{color:var(--red)}.stat-value.purple{color:var(--purple)}

.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{background:var(--surface2);padding:8px 6px;text-align:left;font-weight:600;color:var(--text2);border-bottom:2px solid var(--border);white-space:nowrap;font-size:11px;text-transform:uppercase;letter-spacing:.03em;position:sticky;top:0;z-index:2}
thead tr:nth-child(2) th{border-top:1px solid var(--border);border-bottom:2px solid var(--border)}
tbody td{padding:7px 6px;border-bottom:1px solid var(--border);vertical-align:middle;font-size:12px}
tbody tr:hover{background:var(--surface2)}

.tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}
.tag-green{background:var(--green-l);color:var(--green-d)}
.tag-red{background:var(--red-l);color:var(--red-d)}
.tag-blue{background:var(--primary-l);color:var(--primary-d)}
.tag-orange{background:var(--orange-l);color:var(--orange)}
.tag-purple{background:var(--purple-l);color:var(--purple)}

.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:6px;font-size:13px;font-weight:500;border:none;cursor:pointer;transition:.15s}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-d)}
.btn-green{background:var(--green);color:#fff}.btn-green:hover{background:var(--green-d)}
.btn-red{background:var(--red);color:#fff}.btn-red:hover{background:var(--red-d)}
.btn-outline{background:transparent;border:1px solid var(--border2);color:var(--text2)}.btn-outline:hover{background:var(--surface2)}
.btn-sm{padding:4px 10px;font-size:12px}
.btn-icon{padding:4px 8px;font-size:14px;background:transparent;border:none;cursor:pointer;border-radius:4px}.btn-icon:hover{background:var(--surface2)}

.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.form-group{display:flex;flex-direction:column;gap:4px}
.form-group label{font-size:12px;font-weight:600;color:var(--text2)}
.form-group input,.form-group select,.form-group textarea{padding:8px 10px;border:1px solid var(--border2);border-radius:6px;font-size:13px;color:var(--text);background:var(--surface);transition:.15s}
.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}

.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:none;align-items:center;justify-content:center;z-index:1000;backdrop-filter:blur(2px)}
.modal-overlay.show{display:flex}
.modal{background:var(--surface);border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.2);max-width:700px;width:90%;max-height:85vh;overflow-y:auto}
.modal-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.modal-header h3{font-size:16px;font-weight:600}
.modal-body{padding:20px}
.modal-footer{padding:12px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}

.filter-bar{display:flex;gap:8px;align-items:center;padding:12px 0;flex-wrap:wrap}
.filter-bar input,.filter-bar select{padding:6px 10px;border:1px solid var(--border);border-radius:6px;font-size:13px;background:var(--surface)}

.fee-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px;margin:16px 0}
.fee-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:16px}
.fee-card h4{font-size:14px;margin-bottom:8px;color:var(--text2)}
.fee-card .amount{font-size:22px;font-weight:700}
.fee-card .sub{font-size:12px;color:var(--text3);margin-top:4px}
.fee-grand{background:linear-gradient(135deg,var(--primary),var(--purple));color:#fff;border:none}
.fee-grand h4{color:rgba(255,255,255,.8)}.fee-grand .amount{color:#fff}.fee-grand .sub{color:rgba(255,255,255,.7)}

/* Default page: takes remaining height and scrolls its own content (works for long dynamic pages like Fee Calculator / Settings) */
.page{display:none;flex:1;min-height:0;overflow-y:auto;overflow-x:hidden}
.page.active{display:block}
/* Pages with a large fixed-layout data table: inner-scroll mode (filters/headers stay; only the table scrolls) */
.page.page-fixed{display:none;flex-direction:column;overflow:hidden}
.page.page-fixed.active{display:flex}
.page.page-fixed > .card{flex:1;min-height:0;display:flex;flex-direction:column;margin-bottom:0}
.page.page-fixed > .card > .card-body{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}
.page.page-fixed > .card > .card-body > .table-wrap,
.page.page-fixed > .card > .card-body.table-wrap{flex:1;min-height:0;max-height:none !important}
/* Pages that have a stats row above the card should still allow the card below to flex */
.page.page-fixed > .stats{flex-shrink:0}
.page.page-fixed > .stats + .card{flex:1;min-height:0;display:flex;flex-direction:column;margin-bottom:0}
.pagination{display:flex;gap:4px;align-items:center;justify-content:center;padding:12px 0}
.pagination button{padding:6px 12px;border:1px solid var(--border);background:var(--surface);border-radius:4px;cursor:pointer;font-size:12px}
.pagination button.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination button:disabled{opacity:.4;cursor:default}

.tiered-section{background:var(--purple-l);border:1px solid #c4b5fd;border-radius:8px;padding:12px;margin-top:12px}
.tiered-section h4{font-size:13px;color:var(--purple);margin-bottom:8px}
.tiered-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.tiered-grid .form-group label{font-size:11px}

.ledger-cust{background:var(--primary-l);font-weight:700;color:var(--primary-d)}
.ledger-cust td{position:sticky;left:0;background:var(--primary-l) !important;z-index:1;color:var(--primary-d)}
.ledger-in{color:var(--green)}.ledger-out{color:var(--red)}
.ledger-bal{font-weight:700;color:var(--green-d)}
.ledger-subtotal{background:#f0fdf4;border-top:2px solid var(--green);border-bottom:2px solid var(--green)}
.ledger-subtotal td{font-size:12px;padding:5px 8px !important}
.ledger-grand{background:var(--primary-d);color:#fff;font-weight:700}
/* Sticky first column for all data tables */
#stg-table tbody td:first-child,
#ldg-table tbody td:first-child {
  position:sticky;left:0;background:var(--surface);z-index:1;
}
#stg-table tbody tr:hover td:first-child,
#ldg-table tbody tr:hover td:first-child {
  background:var(--surface2);
}
#stg-table thead th:first-child,
#ldg-table thead th:first-child {
  position:sticky;left:0;z-index:3;
}

.empty{text-align:center;padding:48px 24px;color:var(--text3)}
.empty .icon{font-size:48px;margin-bottom:12px;opacity:.5}
.eq-filter{padding:6px 14px;border:1px solid var(--border);background:var(--surface);border-radius:16px;font-size:12px;font-weight:500;cursor:pointer;transition:.15s}
.eq-filter:hover{background:var(--surface2)}.eq-filter.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.toast{position:fixed;bottom:24px;right:24px;background:var(--text);color:#fff;padding:10px 18px;border-radius:8px;font-size:13px;z-index:2000;transform:translateY(80px);opacity:0;transition:.3s}
.toast.show{transform:translateY(0);opacity:1}.toast.error{background:var(--red)}

@media(max-width:768px){.header{padding:0 12px}.nav{margin-left:8px;overflow-x:auto}.nav button{padding:6px 8px;font-size:11px;white-space:nowrap}.main{padding:12px}.form-grid{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}}

/* ─── Order Items Section (inside Edit modal) ─── */
.order-items-table{width:100%;border-collapse:collapse;font-size:12px;background:var(--surface)}
.order-items-table thead th{position:sticky;top:0;background:var(--surface2);padding:6px 8px;font-size:10px;text-transform:uppercase;letter-spacing:.03em;color:var(--text2);font-weight:600;border-bottom:1px solid var(--border);text-align:left;z-index:1}
.order-items-table tbody td{padding:6px 8px;border-bottom:1px solid var(--border);vertical-align:middle}
.order-items-table tbody tr.oi-row:hover{background:var(--surface2);cursor:pointer}
.order-items-table tbody tr.oi-row.oi-current{background:#fef3c7;font-weight:500;cursor:default}
.order-items-table tbody tr.oi-row.oi-current:hover{background:#fef3c7}
.order-items-table tbody tr:last-child td{border-bottom:none}
.oi-star{display:inline-block;text-align:center;width:100%}
.oi-status-pill{display:inline-block;padding:1px 6px;border-radius:3px;font-size:10px;font-weight:600}
.oi-s-pending{background:var(--orange-l);color:var(--orange)}
.oi-s-submitted{background:var(--primary-l);color:var(--primary-d)}
.oi-s-scheduled{background:var(--green-l);color:var(--green-d)}
.oi-s-confirmed{background:var(--green-l);color:var(--green-d)}
.oi-s-cancelled{background:var(--red-l);color:var(--red-d)}
.oi-s-returned{background:var(--purple-l);color:var(--purple)}