:root{
  --primary:#6d28d9;--primary-2:#8b5cf6;--primary-3:#ede9fe;--primary-4:#f5f3ff;
  --accent:#c026d3;--bg:#f7f7fc;--surface:#ffffff;--surface-2:#fbfaff;
  --text:#211a35;--muted:#746d85;--danger:#c2415b;--success:#0f8a68;--warning:#a36312;
  --border:#e7e2f1;--shadow:0 14px 45px rgba(69,42,123,.09);--shadow-sm:0 6px 20px rgba(69,42,123,.07);
  --radius:18px;--radius-sm:12px;--sidebar:280px;
}
html[data-theme="dim"]{--bg:#eeeaf6;--surface:#fdfcff;--surface-2:#f6f2fb;--border:#ddd5eb}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Tahoma","Segoe UI",Arial,sans-serif;background:radial-gradient(circle at 85% 0,#f1eafe 0,transparent 34%),var(--bg);color:var(--text);min-height:100vh}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
button{touch-action:manipulation}
.app-shell{min-height:100vh}
.sidebar{position:fixed;right:0;top:0;bottom:0;width:var(--sidebar);z-index:50;padding:20px 16px;overflow:auto;color:#fff;background:linear-gradient(165deg,#3b176b 0%,#5b21b6 48%,#7e22ce 100%);box-shadow:-12px 0 40px rgba(53,20,95,.16)}
.sidebar:before{content:"";position:absolute;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.08);top:-100px;left:-90px;pointer-events:none}
.brand{display:flex;align-items:center;gap:12px;padding:4px 5px 18px;position:relative}
.brand-logo{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);box-shadow:inset 0 1px rgba(255,255,255,.15);font-weight:900;letter-spacing:1px;flex:none;overflow:hidden}
.brand-logo img{width:100%;height:100%;object-fit:contain;background:#fff;padding:4px}
.brand-copy{display:grid;gap:4px;min-width:0}.brand-copy strong{font-size:20px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.brand-copy small{font-size:11px;color:#ddd6fe}
.user-box{display:flex;align-items:center;gap:11px;padding:13px;margin:2px 2px 18px;border-radius:16px;background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.13)}
.user-avatar{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:#fff;color:var(--primary);font-size:18px;font-weight:800;flex:none}.user-box strong{display:block;font-size:14px}.user-box small{display:block;color:#ddd6fe;font-size:11px;margin-top:4px}
.main-nav{display:grid;gap:5px}.nav-heading{font-size:10px;letter-spacing:.7px;color:#c4b5fd;margin:14px 11px 5px}.nav-link{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:13px;color:#f4efff;font-size:13px;transition:.18s ease;border:1px solid transparent}.nav-link:hover{transform:translateX(-2px);background:rgba(255,255,255,.1)}.nav-link.active{background:#fff;color:#5b21b6;box-shadow:0 10px 25px rgba(31,13,58,.2);font-weight:700}.nav-icon{width:27px;height:27px;border-radius:9px;display:grid;place-items:center;background:rgba(255,255,255,.12);font-weight:800;font-size:15px}.nav-link.active .nav-icon{background:var(--primary-3);color:var(--primary)}
.logout-link{display:flex;align-items:center;justify-content:center;gap:8px;margin:22px 2px 4px;padding:11px;border-radius:13px;background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.15)}.logout-link:hover{background:rgba(255,255,255,.16)}
.sidebar-backdrop{display:none}
.content{margin-right:var(--sidebar);min-height:100vh;display:flex;flex-direction:column}
.topbar{height:88px;padding:16px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;position:sticky;top:0;z-index:35;background:rgba(247,247,252,.84);backdrop-filter:blur(14px);border-bottom:1px solid rgba(231,226,241,.8)}
.topbar-title{display:flex;align-items:center;gap:13px}.topbar-title h1{font-size:23px;line-height:1.2;margin:3px 0 0}.eyebrow{display:block;color:var(--primary);font-size:11px;font-weight:700;letter-spacing:.3px}.topbar-actions{display:flex;align-items:center;gap:9px}.top-user{display:flex;align-items:center;gap:7px;background:var(--surface);border:1px solid var(--border);padding:9px 12px;border-radius:12px;color:var(--muted);font-size:12px}.status-dot{width:8px;height:8px;border-radius:50%;background:#10b981;box-shadow:0 0 0 4px #d1fae5}
.page-body{padding:24px 28px 34px;flex:1}.app-footer{display:flex;justify-content:space-between;gap:15px;padding:16px 28px;color:var(--muted);font-size:11px;border-top:1px solid var(--border)}
.icon-btn{width:40px;height:40px;border:1px solid var(--border);border-radius:12px;background:var(--surface);color:var(--primary);cursor:pointer;display:grid;place-items:center;box-shadow:var(--shadow-sm);font-weight:800}.icon-btn:hover{background:var(--primary-4)}.menu-toggle{display:none}
.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}.card h2,.card h3{margin-top:0}.card-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.card-header h2{margin:0;font-size:17px}.card-subtitle{display:block;color:var(--muted);font-size:12px;margin-top:5px}
.stat{position:relative;overflow:hidden}.stat:after{content:"";position:absolute;width:80px;height:80px;border-radius:50%;background:var(--primary-4);left:-25px;bottom:-35px}.stat strong{display:block;font-size:27px;color:var(--primary);margin-top:8px;position:relative;z-index:1}.stat small{color:var(--muted)}
.toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:16px}.toolbar-group{display:flex;gap:9px;align-items:center;flex-wrap:wrap}.toolbar form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.toolbar-spacer{flex:1}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid transparent;border-radius:12px;padding:10px 15px;cursor:pointer;font-weight:700;font-size:13px;transition:.16s ease;white-space:nowrap}.btn:hover{transform:translateY(-1px);filter:brightness(.99)}.btn:active{transform:translateY(0)}.btn-icon{font-size:16px;line-height:1}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 8px 20px rgba(109,40,217,.22)}.btn-accent{background:linear-gradient(135deg,#a21caf,#d946ef);color:#fff}.btn-danger{background:#fff1f3;color:var(--danger);border-color:#fecdd3}.btn-secondary{background:#f2eff7;color:#514767;border-color:#e3ddef}.btn-success{background:#e7f8f2;color:var(--success);border-color:#bcebdc}.btn-soft{background:var(--surface);color:var(--primary);border-color:var(--border);box-shadow:var(--shadow-sm)}.btn-outline{background:transparent;color:var(--primary);border-color:#c4b5fd}.btn-sm{padding:7px 10px;border-radius:10px;font-size:11px}.btn-wide{width:100%}.btn-large{padding:14px 18px;font-size:16px}
.dropdown{position:relative}.dropdown-menu{position:absolute;left:0;top:calc(100% + 9px);width:240px;max-height:420px;overflow:auto;background:var(--surface);border:1px solid var(--border);border-radius:15px;padding:8px;box-shadow:var(--shadow);display:none;z-index:80}.dropdown.open .dropdown-menu{display:grid;animation:pop .15s ease}.dropdown-menu a{padding:10px 11px;border-radius:10px;font-size:12px}.dropdown-menu a:hover{background:var(--primary-4);color:var(--primary)}.dropdown-title{font-size:10px;color:var(--muted);padding:7px 10px;border-bottom:1px solid var(--border);margin-bottom:4px}.caret{font-size:12px}
form .row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-group{margin-bottom:14px}.form-group label,.field-label{display:block;font-weight:700;font-size:12px;margin-bottom:7px;color:#4a405f}.form-control,select,textarea,input[type=file]{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:12px;background:var(--surface);color:var(--text);font:inherit;transition:.16s;min-height:43px}.form-control:focus,select:focus,textarea:focus,input[type=file]:focus{outline:0;border-color:#a78bfa;box-shadow:0 0 0 4px rgba(139,92,246,.12)}textarea{min-height:96px;resize:vertical}.inline-control{display:inline-block!important;width:auto!important;min-width:150px}.number{direction:ltr;text-align:right}.form-actions{display:flex;justify-content:flex-end;gap:9px;padding-top:14px;border-top:1px solid var(--border);margin-top:16px}.form-note{font-size:11px;color:var(--muted);line-height:1.7}.checkbox-line{display:flex;align-items:center;gap:7px;padding:9px 0}.checkbox-line input{accent-color:var(--primary)}
.table-card{padding:0;overflow:hidden}.table-card .card-header{padding:18px 20px;margin:0;border-bottom:1px solid var(--border)}.table-wrap{overflow:auto;max-width:100%}.table{width:100%;border-collapse:separate;border-spacing:0;background:transparent}.table th,.table td{padding:13px 14px;border-bottom:1px solid var(--border);text-align:right;white-space:nowrap;font-size:12px;vertical-align:middle}.table th{position:sticky;top:0;z-index:2;background:#f7f4fc;color:#5e5372;font-size:11px;letter-spacing:.15px}.table tbody tr{transition:.14s}.table tbody tr:hover{background:#faf8ff}.table tbody tr:last-child td{border-bottom:0}.table td small{color:var(--muted);line-height:1.7}.table .actions{display:flex;align-items:center;gap:6px}.table .actions form{display:inline-flex;margin:0}.table-responsive-hint{display:none;color:var(--muted);font-size:10px;margin-top:6px}
.badge{display:inline-flex;align-items:center;gap:5px;padding:5px 9px;border-radius:999px;font-size:10px;background:#f0edf6;color:#655b78;font-weight:700}.badge-success{background:#dcfce7;color:#08735a}.badge-danger{background:#ffe4e8;color:#a82e48}.badge-warning{background:#fff2ce;color:#8a5a0b}.badge-primary{background:var(--primary-3);color:var(--primary)}
.alert{position:relative;padding:13px 15px 13px 42px;border-radius:14px;margin-bottom:15px;border:1px solid transparent;font-size:13px;box-shadow:var(--shadow-sm)}.alert:before{content:"i";position:absolute;right:14px;top:50%;transform:translateY(-50%);width:21px;height:21px;border-radius:50%;display:grid;place-items:center;font-weight:900}.alert-success{background:#ecfdf5;color:#076b50;border-color:#bbf7d0}.alert-success:before{content:"✓"}.alert-danger{background:#fff1f2;color:#9f2e46;border-color:#fecdd3}.alert-danger:before{content:"!"}.alert-warning{background:#fffbeb;color:#86520c;border-color:#fde68a}.alert-warning:before{content:"!"}
.text-danger{color:var(--danger)!important}.text-success{color:var(--success)!important}.text-primary{color:var(--primary)!important}.muted,.hint{font-size:11px;color:var(--muted)}.section-title{margin:22px 0 11px;font-size:17px}.empty{padding:34px!important;text-align:center;color:var(--muted)}
.actions{display:flex;gap:6px;align-items:center}.search-box{position:relative}.search-box input{padding-right:36px}.search-box:before{content:"⌕";position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--muted);z-index:1}.date-filter{background:var(--surface);border:1px solid var(--border);padding:7px;border-radius:14px}
.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 20% 20%,#c4b5fd 0,transparent 28%),linear-gradient(140deg,#f5f3ff,#ffffff 48%,#fae8ff)}.login-card{width:min(440px,100%);background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.7);border-radius:24px;padding:30px;box-shadow:0 30px 90px rgba(88,28,135,.2);backdrop-filter:blur(18px)}.login-card h1{color:var(--primary);margin:0 0 6px;font-size:28px}.login-card:before{content:"BP";width:62px;height:62px;border-radius:19px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:900;font-size:20px;margin-bottom:18px;box-shadow:0 12px 28px rgba(109,40,217,.25)}
.permission-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:6px;align-items:center}.permission-grid>div{padding:8px;border-bottom:1px solid var(--border)}.report-permission-grid{display:grid;grid-template-columns:3fr repeat(2,1fr);gap:6px;align-items:center}.report-permission-grid>div{padding:8px;border-bottom:1px solid var(--border)}.checkbox-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.checkbox-grid label{padding:10px;border:1px solid var(--border);border-radius:11px;background:#faf8ff}
/* Dialogs */
dialog.app-modal{width:min(720px,calc(100% - 26px));max-height:90vh;border:0;padding:0;border-radius:22px;background:var(--surface);color:var(--text);box-shadow:0 32px 100px rgba(43,21,77,.3);overflow:hidden}dialog.app-modal.modal-lg{width:min(980px,calc(100% - 26px))}dialog.app-modal.modal-xl{width:min(1220px,calc(100% - 22px));height:min(90vh,900px)}dialog.app-modal::backdrop{background:rgba(27,15,46,.58);backdrop-filter:blur(5px)}.modal-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border-bottom:1px solid var(--border);background:linear-gradient(135deg,#faf8ff,#fff)}.modal-title{margin:0;font-size:18px}.modal-subtitle{display:block;color:var(--muted);font-size:11px;margin-top:4px}.modal-close{width:35px;height:35px;border-radius:11px;border:1px solid var(--border);background:#fff;color:var(--muted);cursor:pointer;font-size:19px}.modal-body{padding:20px;overflow:auto;max-height:calc(90vh - 75px)}.modal-xl .modal-body{height:calc(100% - 74px);padding:0}.modal-frame{border:0;width:100%;height:100%;display:block;background:var(--bg)}.dialog-open{overflow:hidden}
/* Import */
.import-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:stretch}.import-drop{border:2px dashed #c4b5fd;border-radius:18px;background:#faf8ff;padding:28px;text-align:center;transition:.15s}.import-drop.dragover{border-color:var(--primary);background:var(--primary-4)}.import-icon{width:66px;height:66px;border-radius:20px;background:var(--primary-3);color:var(--primary);display:grid;place-items:center;margin:0 auto 14px;font-size:30px}.import-columns{display:flex;flex-wrap:wrap;gap:7px}.column-chip{padding:6px 9px;border-radius:9px;background:#f1edfa;color:#5a4d70;font-size:10px}.import-result{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.result-box{border-radius:14px;padding:14px;background:#faf8ff;border:1px solid var(--border)}.result-box strong{display:block;font-size:22px;color:var(--primary)}.error-list{max-height:260px;overflow:auto;margin:0;padding:0 20px 0 0;color:var(--danger);font-size:12px;line-height:1.9}
/* Existing special layouts */
.install-card{width:min(560px,100%);text-align:center}.install-icon{width:76px;height:76px;margin:0 auto 16px;border-radius:23px;display:grid;place-items:center;background:var(--primary-3);color:var(--primary);font-size:34px}.install-description{font-size:14px;line-height:1.9;margin-bottom:22px}.update-grid{align-items:start}.version-panel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:16px 0}.version-panel>div{background:#faf8ff;border:1px solid var(--border);border-radius:14px;padding:14px}.version-panel span{display:block;color:var(--muted);font-size:11px;margin-bottom:7px}.version-panel strong{display:block;color:var(--primary);font-size:21px}.version-panel .version-date{font-size:13px;line-height:1.6}.update-note{margin-top:18px;padding:12px;border:1px dashed var(--border);border-radius:12px;background:#faf8ff;font-size:12px;line-height:1.8}.update-history-card{margin-top:16px}.logo-preview{max-width:180px;max-height:120px;object-fit:contain;border:1px solid var(--border);border-radius:14px;padding:8px;background:#fff}.customer-actions{margin-top:16px}.engineer-pay-form{display:flex;gap:5px;align-items:center}.engineer-pay-form select{min-width:120px}.invoice-totals{max-width:390px;margin-right:auto}.print-page{background:#f4f0fa;padding:20px}.receipt-card{max-width:820px;margin:auto;background:#fff;border:1px solid #ded6eb;border-radius:18px;padding:28px;box-shadow:var(--shadow)}.receipt-head{display:flex;align-items:center;gap:18px;border-bottom:2px solid var(--primary);padding-bottom:16px}.receipt-head img{width:90px;height:90px;object-fit:contain}.receipt-head h1{margin:0;color:var(--primary);font-size:30px}.receipt-head p{margin:7px 0 0;color:var(--muted)}.receipt-meta{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:14px 0;border-bottom:1px solid var(--border)}.receipt-card>h2{text-align:center;color:var(--primary);margin:24px 0}.receipt-body{font-size:18px;line-height:2}.receipt-statement{font-size:23px;background:#faf8ff;border:1px dashed var(--primary);padding:18px;border-radius:14px}.signature-row{display:flex;justify-content:space-between;margin:55px 20px 30px}.signature-row span{border-top:1px solid #666;padding:10px 35px}.receipt-footer{text-align:center;color:var(--muted);border-top:1px solid var(--border);padding-top:15px}.statement-card{max-width:1000px}.no-print{margin-top:15px}
@keyframes pop{from{opacity:0;transform:translateY(-5px) scale(.98)}to{opacity:1;transform:none}}
@media(max-width:1180px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.import-hero{grid-template-columns:1fr}}
@media(max-width:940px){
  :root{--sidebar:270px}.sidebar{transform:translateX(110%);transition:.22s}.menu-open .sidebar{transform:translateX(0)}.sidebar-backdrop{position:fixed;inset:0;background:rgba(25,13,43,.5);z-index:45}.menu-open .sidebar-backdrop{display:block}.content{margin-right:0}.menu-toggle{display:grid}.topbar{padding:14px 16px}.page-body{padding:18px 14px 28px}.app-footer{padding:14px}.top-user{display:none}.topbar-title h1{font-size:19px}.grid-2,.grid-3,.grid-4,form .row{grid-template-columns:1fr}.permission-grid{grid-template-columns:1fr repeat(4,42px);font-size:11px}.report-permission-grid{grid-template-columns:1fr 50px 50px;font-size:11px}.checkbox-grid{grid-template-columns:1fr}.table-responsive-hint{display:block}.version-panel{grid-template-columns:1fr}.import-result{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:620px){.topbar-actions .btn-soft{font-size:0;padding:10px}.topbar-actions .btn-soft .btn-icon{font-size:17px}.dropdown-menu{left:-40px;width:230px}.toolbar{align-items:stretch}.toolbar form,.toolbar-group{width:100%}.toolbar form>*{flex:1}.inline-control{min-width:0!important}.page-body{padding-inline:10px}.card{padding:15px;border-radius:16px}.table-card{padding:0}.table th,.table td{padding:11px 10px}.modal-body{padding:15px}.import-result{grid-template-columns:1fr}.app-footer{flex-direction:column}.receipt-card{padding:16px}.receipt-statement{font-size:18px}.receipt-head h1{font-size:23px}}
@media print{body{background:#fff!important}.sidebar,.topbar,.toolbar,.no-print,.alert,.app-footer{display:none!important}.content{margin:0!important}.page-body{padding:0!important}.card,.receipt-card{box-shadow:none!important;border:0!important}.print-page{padding:0}.receipt-card{max-width:none}.app-shell{min-height:auto}.table th,.table td{padding:7px;font-size:11px}.report-stats{grid-template-columns:repeat(4,1fr)!important}.stat strong{font-size:20px}.section-title{break-after:avoid}.card{break-inside:avoid}}