:root{--primary: #e85d26;--primary-dark: #c94d1e;--primary-light: #ff7a45;--primary-glow: rgba(232, 93, 38, .15);--bg-dark: #0f1117;--bg-card: #181a23;--bg-sidebar: #12141d;--bg-input: #1e2030;--bg-hover: #252838;--bg-table-row: #1a1d2a;--bg-table-hover: #22253a;--text-primary: #eaedf3;--text-secondary: #8b92a5;--text-muted: #5a6178;--border: #2a2d3e;--border-light: #353849;--success: #22c55e;--success-bg: rgba(34, 197, 94, .12);--warning: #f59e0b;--warning-bg: rgba(245, 158, 11, .12);--danger: #ef4444;--danger-bg: rgba(239, 68, 68, .12);--info: #3b82f6;--info-bg: rgba(59, 130, 246, .12);--radius-sm: 6px;--radius: 10px;--radius-lg: 14px;--radius-xl: 20px;--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow: 0 4px 20px rgba(0,0,0,.4);--shadow-lg: 0 8px 40px rgba(0,0,0,.5);--transition: all .25s cubic-bezier(.4, 0, .2, 1);--sidebar-width: 260px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,sans-serif;background:var(--bg-dark);color:var(--text-primary);line-height:1.6;overflow-x:hidden}#app{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;height:100vh;z-index:100;transition:var(--transition)}.sidebar-header{padding:24px 20px 16px;border-bottom:1px solid var(--border)}.logo{display:flex;align-items:center;gap:10px}.logo-icon{font-size:28px;filter:drop-shadow(0 0 8px var(--primary-glow))}.logo-text{font-size:18px;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.logo-subtitle{display:block;font-size:11px;color:var(--text-muted);margin-top:4px;letter-spacing:1px;text-transform:uppercase}.sidebar-nav{padding:12px 8px;flex:1;display:flex;flex-direction:column;gap:2px}.nav-item{display:flex;align-items:center;gap:12px;padding:11px 16px;border-radius:var(--radius);color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:500;transition:var(--transition);cursor:pointer}.nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-item.active{background:var(--primary-glow);color:var(--primary-light);font-weight:600}.nav-item.active .nav-icon{transform:scale(1.1)}.nav-icon{font-size:18px;width:24px;text-align:center;transition:var(--transition)}.sidebar-footer{padding:16px 20px;border-top:1px solid var(--border)}.connection-status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-muted)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--text-muted);transition:var(--transition)}.status-dot.connected{background:var(--success);box-shadow:0 0 8px #22c55e80}.status-dot.error{background:var(--danger);box-shadow:0 0 8px #ef444480}.main-content{flex:1;margin-left:var(--sidebar-width);display:flex;flex-direction:column;min-height:100vh}.top-bar{display:flex;align-items:center;padding:16px 32px;border-bottom:1px solid var(--border);background:var(--bg-sidebar);position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.menu-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:22px;cursor:pointer;margin-right:16px}.page-title{font-size:20px;font-weight:700;letter-spacing:-.3px}.top-bar-right{margin-left:auto}.last-update{font-size:12px;color:var(--text-muted)}.content-area{padding:28px 32px;flex:1}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:28px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;transition:var(--transition);position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--primary-light));opacity:0;transition:var(--transition)}.stat-card:hover{border-color:var(--border-light);transform:translateY(-2px);box-shadow:var(--shadow)}.stat-card:hover:before{opacity:1}.stat-card .stat-icon{font-size:32px;margin-bottom:12px}.stat-card .stat-value{font-size:28px;font-weight:800;letter-spacing:-1px;margin-bottom:4px}.stat-card .stat-label{font-size:13px;color:var(--text-secondary);font-weight:500}.section-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:20px;overflow:hidden}.section-header{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--border)}.section-title{font-size:16px;font-weight:600}.section-body{padding:20px 24px}.table-wrapper{overflow-x:auto;border-radius:var(--radius)}table{width:100%;border-collapse:collapse;font-size:13px}thead th{background:var(--bg-input);color:var(--text-secondary);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.5px;padding:12px 14px;text-align:left;position:sticky;top:0;z-index:5;border-bottom:1px solid var(--border);white-space:nowrap}tbody tr{transition:var(--transition);border-bottom:1px solid var(--border)}tbody tr:hover{background:var(--bg-table-hover)}tbody td{padding:11px 14px;color:var(--text-primary);white-space:nowrap}tbody td.editable{cursor:pointer;position:relative}tbody td.editable:hover{background:var(--primary-glow);border-radius:4px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius);font-size:13px;font-weight:600;cursor:pointer;transition:var(--transition);border:none;font-family:Inter,sans-serif}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 2px 12px #e85d264d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 20px #e85d2666}.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-hover);border-color:var(--border-light)}.btn-success{background:linear-gradient(135deg,#16a34a,#15803d);color:#fff}.btn-danger{background:linear-gradient(135deg,var(--danger),#dc2626);color:#fff}.btn-sm{padding:6px 14px;font-size:12px}.form-group{margin-bottom:18px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}.form-input,.form-select{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:14px;font-family:Inter,sans-serif;transition:var(--transition)}.form-input:focus,.form-select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.form-input::placeholder{color:var(--text-muted)}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.upload-zone{border:2px dashed var(--border-light);border-radius:var(--radius-lg);padding:48px 24px;text-align:center;cursor:pointer;transition:var(--transition);background:var(--bg-input)}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--primary);background:var(--primary-glow)}.upload-zone .upload-icon{font-size:48px;margin-bottom:16px;display:block}.upload-zone .upload-text{font-size:15px;font-weight:500;color:var(--text-secondary);margin-bottom:8px}.upload-zone .upload-hint{font-size:12px;color:var(--text-muted)}.iskonto-display{display:flex;align-items:center;gap:24px;padding:28px;background:linear-gradient(135deg,#e85d2614,#ff7a450d);border-radius:var(--radius-lg);border:1px solid rgba(232,93,38,.2)}.iskonto-value{font-size:56px;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1}.iskonto-info h3{font-size:18px;font-weight:600;margin-bottom:4px}.iskonto-info p{font-size:13px;color:var(--text-secondary)}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600}.badge-success{background:var(--success-bg);color:var(--success)}.badge-warning{background:var(--warning-bg);color:var(--warning)}.badge-danger{background:var(--danger-bg);color:var(--danger)}.badge-info{background:var(--info-bg);color:var(--info)}.filter-bar{display:flex;gap:12px;margin-bottom:16px;flex-wrap:wrap}.search-input{flex:1;min-width:200px;padding:9px 14px 9px 36px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:13px;font-family:Inter,sans-serif;transition:var(--transition);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%235a6178' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:12px center}.search-input:focus{outline:none;border-color:var(--primary)}.toast-container{position:fixed;top:20px;right:20px;z-index:1000;display:flex;flex-direction:column;gap:8px}.toast{padding:14px 20px;border-radius:var(--radius);font-size:13px;font-weight:500;display:flex;align-items:center;gap:10px;animation:slideIn .3s ease;min-width:280px;box-shadow:var(--shadow-lg)}.toast-success{background:#16a34a;color:#fff}.toast-error{background:#dc2626;color:#fff}.toast-info{background:#2563eb;color:#fff}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes slideOut{0%{transform:translate(0);opacity:1}to{transform:translate(100%);opacity:0}}.loading{display:flex;justify-content:center;align-items:center;padding:48px}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:48px;color:var(--text-muted)}.empty-state .empty-icon{font-size:48px;margin-bottom:12px;display:block}.preview-container{max-height:400px;overflow-y:auto;margin-top:16px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:200;animation:fadeIn .2s}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:28px;width:90%;max-width:500px;box-shadow:var(--shadow-lg)}.modal-title{font-size:18px;font-weight:700;margin-bottom:20px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media(max-width:768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0}.menu-toggle{display:block}.content-area{padding:20px 16px}.stats-grid{grid-template-columns:repeat(2,1fr)}.upload-grid{grid-template-columns:1fr!important}.section-header{flex-wrap:wrap;gap:10px}.preview-container{overflow-x:auto}.preview-container table{min-width:500px}}.sidebar-copyright{margin-top:12px;padding-top:10px;border-top:1px solid var(--border)}.sidebar-copyright a{font-size:10px;color:var(--text-muted);text-decoration:none;line-height:1.5;display:block;transition:var(--transition)}.sidebar-copyright a:hover{color:var(--text-secondary)}#login-screen{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg-dark);display:flex;align-items:center;justify-content:center;z-index:9999}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:40px;width:100%;max-width:380px;box-shadow:var(--shadow-lg)}.login-logo{text-align:center;margin-bottom:32px}.login-title{font-size:22px;font-weight:700;margin-top:12px;color:var(--text-primary)}.login-subtitle{font-size:13px;color:var(--text-muted);margin-top:4px}.login-field{margin-bottom:16px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}