*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f5f6fa;--bg2: #ffffff;--bg3: #f0f2f8;--border: #e4e7f0;--border2: #d1d5e8;--text: #0f172a;--text2: #475569;--text3: #94a3b8;--accent: #1e40af;--accent2: #2563eb;--accent-light: #eff6ff;--accent-border: #bfdbfe;--green: #16a34a;--green-bg: #f0fdf4;--green-border: #bbf7d0;--red: #dc2626;--red-bg: #fef2f2;--red-border: #fecaca;--yellow: #d97706;--yellow-bg: #fffbeb;--yellow-border: #fde68a;--orange: #ea580c;--orange-bg: #fff7ed;--purple: #7c3aed;--purple-bg: #f5f3ff;--sidebar-w: 248px;--header-h: 64px;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .12);--font: "Plus Jakarta Sans", sans-serif;--font-mono: "JetBrains Mono", monospace}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:var(--font);cursor:pointer;border:none;outline:none}input,select,textarea{font-family:var(--font)}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border2);border-radius:99px}.app-shell{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);flex-shrink:0;background:var(--text);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100;overflow-y:auto}.main-content{margin-left:var(--sidebar-w);flex:1;min-height:100vh;display:flex;flex-direction:column}.page-header{background:var(--bg2);border-bottom:1px solid var(--border);padding:0 28px;height:var(--header-h);display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:50;box-shadow:var(--shadow)}.page-body{padding:24px 28px;flex:1}.sidebar-logo{padding:20px 20px 16px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-logo img{height:36px;width:auto;filter:invert(1) brightness(1.8)}.sidebar-logo .tagline{font-size:10px;color:#fff6;margin-top:6px;letter-spacing:.05em;text-transform:uppercase}.sidebar-nav{padding:12px;flex:1}.nav-group-label{font-size:10px;font-weight:700;color:#ffffff4d;letter-spacing:.1em;text-transform:uppercase;padding:8px 8px 4px}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);color:#fff9;font-size:13.5px;font-weight:500;cursor:pointer;transition:all .15s;margin-bottom:2px;position:relative;background:transparent}.nav-item:hover{background:#ffffff14;color:#fff}.nav-item.active{background:var(--accent2);color:#fff}.nav-item svg{width:16px;height:16px;flex-shrink:0}.sidebar-footer{padding:12px;border-top:1px solid rgba(255,255,255,.08)}.sidebar-user{padding:10px 12px;margin-bottom:4px}.sidebar-user .name{font-size:13px;font-weight:600;color:#fff}.sidebar-user .email{font-size:11px;color:#fff6}.page-title{font-size:20px;font-weight:800;color:var(--text)}.page-sub{font-size:13px;color:var(--text3)}.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px}.card-title{font-size:14px;font-weight:700;color:var(--text)}.card-body{padding:20px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.stat-card .s-label{font-size:12px;font-weight:600;color:var(--text3);margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}.stat-card .s-value{font-family:var(--font-mono);font-size:22px;font-weight:700;color:var(--text)}.stat-card .s-sub{font-size:12px;color:var(--text3);margin-top:4px}.stat-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}thead tr{border-bottom:2px solid var(--border)}th{padding:11px 14px;text-align:left;font-size:11px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.07em;white-space:nowrap;background:var(--bg3)}td{padding:12px 14px;border-bottom:1px solid var(--border);font-size:13px;color:var(--text2);vertical-align:middle}tbody tr:last-child td{border-bottom:none}tbody tr:hover td{background:var(--bg3)}.btn{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;transition:all .15s;white-space:nowrap;cursor:pointer}.btn-primary{background:var(--accent2);color:#fff}.btn-primary:hover{background:var(--accent)}.btn-ghost{background:transparent;color:var(--text2);border:1px solid var(--border2)}.btn-ghost:hover{background:var(--bg3);color:var(--text)}.btn-danger{background:var(--red-bg);color:var(--red);border:1px solid var(--red-border)}.btn-danger:hover{background:#fecaca}.btn-success{background:var(--green-bg);color:var(--green);border:1px solid var(--green-border)}.btn-warning{background:var(--yellow-bg);color:var(--yellow);border:1px solid var(--yellow-border)}.btn-sm{padding:5px 10px;font-size:12px}.btn svg{width:14px;height:14px}.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:99px;font-size:11px;font-weight:700}.badge-green{background:var(--green-bg);color:var(--green);border:1px solid var(--green-border)}.badge-red{background:var(--red-bg);color:var(--red);border:1px solid var(--red-border)}.badge-yellow{background:var(--yellow-bg);color:var(--yellow);border:1px solid var(--yellow-border)}.badge-blue{background:var(--accent-light);color:var(--accent2);border:1px solid var(--accent-border)}.badge-orange{background:var(--orange-bg);color:var(--orange)}.badge-purple{background:var(--purple-bg);color:var(--purple)}.badge-gray{background:var(--bg3);color:var(--text3);border:1px solid var(--border)}.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group.full{grid-column:1/-1}label{font-size:12px;font-weight:700;color:var(--text2);letter-spacing:.02em}input,select,textarea{background:var(--bg);border:1.5px solid var(--border2);border-radius:var(--radius-sm);padding:9px 12px;color:var(--text);font-size:13px;width:100%;transition:border-color .15s,box-shadow .15s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent2);box-shadow:0 0 0 3px #2563eb1a}textarea{resize:vertical;min-height:80px}select option{background:var(--bg2)}.tax-selector{display:flex;gap:8px}.tax-option{flex:1;padding:10px 12px;border:2px solid var(--border2);border-radius:var(--radius-sm);cursor:pointer;text-align:center;transition:all .15s}.tax-option:hover{border-color:var(--accent2)}.tax-option.selected-lut{border-color:var(--green);background:var(--green-bg)}.tax-option.selected-gst{border-color:var(--yellow);background:var(--yellow-bg)}.tax-option.selected-no_gst{border-color:var(--border2);background:var(--bg3)}.tax-option .tax-label{font-size:12px;font-weight:700}.tax-option .tax-desc{font-size:10px;color:var(--text3);margin-top:2px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;z-index:200;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .15s}.modal{background:var(--bg2);border:1px solid var(--border);border-radius:16px;width:100%;max-width:640px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .2s}.modal-lg{max-width:820px}.modal-header{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:var(--bg2);z-index:1}.modal-title{font-size:16px;font-weight:800;color:var(--text)}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end;background:var(--bg3);border-radius:0 0 16px 16px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.flex{display:flex}.flex-1{flex:1}.items-center{align-items:center}.gap-2{gap:8px}.gap-3{gap:12px}.mono{font-family:var(--font-mono)}.text-green{color:var(--green)}.text-red{color:var(--red)}.text-muted{color:var(--text3)}.fw-700{font-weight:700}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.divider{height:1px;background:var(--border);margin:20px 0}.empty-state{text-align:center;padding:60px 20px;color:var(--text3)}.empty-state svg{width:40px;height:40px;margin-bottom:12px;opacity:.35}.empty-state p{font-size:14px}.search-wrap{display:flex;align-items:center;gap:8px;background:var(--bg);border:1.5px solid var(--border2);border-radius:var(--radius-sm);padding:8px 12px}.search-wrap input{background:transparent;border:none;color:var(--text);font-size:13px;flex:1;box-shadow:none;padding:0}.search-wrap svg{color:var(--text3);width:15px;height:15px;flex-shrink:0}.spinner{width:24px;height:24px;border:2.5px solid var(--border);border-top-color:var(--accent2);border-radius:50%;animation:spin .6s linear infinite}.loading-center{display:flex;align-items:center;justify-content:center;height:200px}@keyframes spin{to{transform:rotate(360deg)}}.tab-bar{display:flex;gap:4px;border-bottom:2px solid var(--border);margin-bottom:20px}.tab{padding:10px 18px;font-size:13px;font-weight:600;color:var(--text3);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .15s}.tab:hover{color:var(--text)}.tab.active{color:var(--accent2);border-bottom-color:var(--accent2)}.gst-box{background:var(--yellow-bg);border:1px solid var(--yellow-border);border-radius:var(--radius-sm);padding:12px 16px;margin-top:12px}.gst-row{display:flex;justify-content:space-between;font-size:13px;margin-bottom:4px}.gst-total{font-weight:800;font-size:15px;color:var(--text);border-top:1px solid var(--yellow-border);padding-top:8px;margin-top:4px;display:flex;justify-content:space-between}.lut-box{background:var(--green-bg);border:1px solid var(--green-border);border-radius:var(--radius-sm);padding:10px 14px;margin-top:12px;font-size:12px;color:var(--green);font-weight:600}.generate-btn{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:99px;font-size:11px;font-weight:700;cursor:pointer;border:none}.generate-btn-new{background:var(--accent-light);color:var(--accent2)}.generate-btn-done{background:var(--green-bg);color:var(--green)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a,#1e3a5f)}.login-card{background:#fff;border-radius:20px;padding:48px;width:100%;max-width:420px;box-shadow:var(--shadow-lg)}.login-logo{text-align:center;margin-bottom:32px}.login-logo img{height:48px}.login-logo .brand{font-size:18px;font-weight:800;color:var(--text);margin-top:12px}.login-logo .sub{font-size:12px;color:var(--text3);margin-top:4px}.alert{padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:14px}.alert-error{background:var(--red-bg);color:var(--red);border:1px solid var(--red-border)}.alert-info{background:var(--accent-light);color:var(--accent);border:1px solid var(--accent-border)}.charts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(380px,1fr));gap:16px;margin-bottom:24px}
