:root{--sidebar-bg:#0f172a;--submenu-bg:#1e293b;--hover-bg:#334155;--accent:#3b82f6;--text-main:#f8fafc;--text-muted:#94a3b8;--app-bg:#f8fafc}body{background-color:var(--app-bg);margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}#content{background-color:var(--app-bg);flex-direction:column;flex:1;display:flex}#report{border:none;flex:1;width:100%}#sidebar{background:var(--sidebar-bg);width:70px;color:var(--text-main);white-space:nowrap;z-index:10;flex-direction:column;justify-content:space-between;transition:width .3s;display:flex;overflow:hidden;box-shadow:2px 0 10px #0003}#sidebar:hover{width:220px}.logo{color:var(--accent);align-items:center;height:30px;margin-bottom:10px;padding:20px 0;font-size:22px;font-weight:700;display:flex}.logo-icon{text-align:center;min-width:70px}.logo-text{opacity:0;color:#fff;letter-spacing:2px;transition:opacity .3s}#sidebar:hover .logo-text{opacity:1}.icon-item{cursor:pointer;color:var(--text-muted);align-items:center;padding:15px 0;transition:background .2s,color .2s;display:flex}.icon-item:hover{background:var(--hover-bg);color:var(--text-main)}.icon-item span.material-icons{text-align:center;min-width:70px;font-size:26px}.menu-label{opacity:0;font-size:15px;font-weight:500;transition:opacity .3s}#sidebar:hover .menu-label{opacity:1}.sidebar-bottom{margin-bottom:15px}.logout-item:hover{color:#fff;background:#ef4444}#submenu-panel{background:var(--submenu-bg);color:var(--text-main);transition:width .3s;overflow:hidden auto;box-shadow:2px 0 10px #00000026}.menu-section{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);border-bottom:1px solid #ffffff0d;margin-bottom:10px;padding:20px 20px 10px;font-size:12px;font-weight:700}.submenu{cursor:pointer;color:var(--text-muted);padding:12px 20px;font-size:14px;transition:background .2s,color .2s}.submenu:hover{background:var(--hover-bg);color:var(--text-main)}.submenu.active-report{background:var(--sidebar-bg);border-left:4px solid var(--accent);color:#fff;font-weight:700}.login-wrapper{background:linear-gradient(135deg,#f1f5f9 0%,#cbd5e1 100%);justify-content:center;align-items:center;width:100vw;min-height:100vh;margin:0;padding:0;display:flex}.login-card{box-sizing:border-box;background:#fff;border-radius:16px;width:100%;max-width:420px;padding:50px 40px;box-shadow:0 20px 40px #00000014}.login-brand{text-align:center;margin-bottom:35px}.login-logo-circle{background:var(--sidebar-bg);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto 20px;font-size:32px;font-weight:700;display:flex;box-shadow:0 4px 10px #1e293b4d}.login-brand h2{color:var(--sidebar-bg);margin:0 0 10px;font-size:26px}.login-brand p{color:var(--text-muted);margin:0;font-size:15px}.login-error-alert{color:#dc2626;text-align:center;background-color:#fef2f2;border:1px solid #fca5a5;border-radius:8px;margin-bottom:25px;padding:14px;font-size:14px;font-weight:500}.login-form{flex-direction:column;gap:20px;display:flex}.input-group label{color:#475569;margin-bottom:8px;font-size:14px;font-weight:600;display:block}.input-group input{color:#334155;box-sizing:border-box;background-color:#f8fafc;border:1px solid #cbd5e1;border-radius:8px;outline:none;width:100%;padding:14px 16px;font-size:15px;transition:all .2s}.input-group input:focus{border-color:var(--accent);background-color:#fff;box-shadow:0 0 0 3px #3b82f61a}.login-submit-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;width:100%;margin-top:10px;padding:16px;font-size:16px;font-weight:700;transition:background .2s,transform .1s}.login-submit-btn:hover:not(:disabled){background:#2563eb}.login-submit-btn:disabled{cursor:not-allowed;background:#94a3b8}.login-footer{text-align:center;border-top:1px solid #e2e8f0;margin-top:35px;padding-top:20px}.login-footer p{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin:0;font-size:13px}.upload-container{color:#1e293b;box-sizing:border-box;width:100%;max-width:95vw;margin:0 auto;padding:40px}.page-header{border-bottom:2px solid #e2e8f0;margin-bottom:40px;padding-bottom:20px}.page-header h1{color:#0f172a;margin:0 0 10px;font-size:32px}.page-header p{color:#64748b;margin:0;font-size:16px}.upload-grid-layout{grid-template-columns:450px 1fr;align-items:start;gap:40px;display:grid}@media (width<=1024px){.upload-grid-layout{grid-template-columns:1fr}}.upload-card,.preview-section{background:#fff;border:1px solid #f1f5f9;border-radius:12px;padding:35px;box-shadow:0 10px 30px #0f172a0a}.section-title{color:#0f172a;border-bottom:2px solid #f1f5f9;margin:0 0 25px;padding-bottom:12px;font-size:18px;font-weight:600}.form-group{margin-bottom:25px}.form-label{color:#475569;margin-bottom:10px;font-size:14px;font-weight:600;display:block}.form-select,.file-input{color:#0f172a;box-sizing:border-box;background-color:#f8fafc;border:1px solid #cbd5e1;border-radius:8px;outline:none;width:100%;padding:14px;font-size:15px;transition:all .2s}.form-select:focus,.file-input:focus{background-color:#fff;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.file-input{cursor:pointer}.file-input.disabled{cursor:not-allowed;opacity:.7;background-color:#f1f5f9}.hint-box{color:#115e59;background:#f0fdfa;border-left:4px solid #0d9488;border-radius:0 8px 8px 0;margin-bottom:25px;padding:15px}.hint-title{margin-bottom:6px;font-size:14px;font-weight:600;display:block}.hint-columns{font-family:Consolas,monospace;font-size:13px}.btn-primary{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:8px;width:100%;margin-top:10px;padding:16px;font-size:16px;font-weight:600;transition:background .2s}.btn-primary:hover:not(:disabled){background:#1d4ed8}.btn-primary:disabled{cursor:not-allowed;background:#cbd5e1}.table-wrapper{border:1px solid #e2e8f0;border-radius:8px;overflow-x:auto}.preview-table{border-collapse:collapse;white-space:nowrap;width:100%;font-size:14px}.preview-table th{color:#475569;text-align:left;background:#f8fafc;border-bottom:2px solid #e2e8f0;padding:14px 20px;font-weight:600}.preview-table td{color:#334155;border-bottom:1px solid #f1f5f9;padding:12px 20px}.status-card{border-radius:8px;align-items:center;gap:15px;padding:25px;font-size:16px;font-weight:500;display:flex}.status-card.idle{color:#64748b;background-color:#f8fafc;border:1px dashed #cbd5e1;justify-content:center}.status-card.processing{color:#1e40af;background-color:#eff6ff;border:1px solid #bfdbfe}.status-card.success{color:#166534;background-color:#f0fdf4;border:1px solid #bbf7d0}.status-card.error{color:#991b1b;background-color:#fef2f2;border:1px solid #fca5a5}.spinner{border:3px solid #1e40af33;border-top-color:#1e40af;border-radius:50%;width:20px;height:20px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}