*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-base: #0b0f1a;--bg-surface: #111827;--bg-card: #1a2235;--bg-card-hover: #1f2b42;--border: rgba(99,179,237,.12);--border-glow: rgba(99,179,237,.35);--accent: #3b82f6;--accent-light: #60a5fa;--accent-glow: rgba(59,130,246,.25);--teal: #14b8a6;--purple: #8b5cf6;--amber: #f59e0b;--rose: #f43f5e;--green: #22c55e;--text-primary: #f1f5f9;--text-secondary:#94a3b8;--text-muted: #475569;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--shadow-sm: 0 2px 8px rgba(0,0,0,.4);--shadow-md: 0 4px 20px rgba(0,0,0,.5);--shadow-glow: 0 0 24px rgba(59,130,246,.15);--font: "Inter", sans-serif;--transition: .2s ease}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg-base);color:var(--text-primary);min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-surface)}::-webkit-scrollbar-thumb{background:#2d3f5e;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent)}.app-layout{display:flex;min-height:100vh}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.page-content{flex:1;padding:28px 32px;overflow-y:auto}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 20% 50%,rgba(59,130,246,.08) 0%,transparent 60%),radial-gradient(ellipse at 80% 20%,rgba(139,92,246,.06) 0%,transparent 60%),var(--bg-base);padding:20px}.auth-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px 44px;width:100%;max-width:440px;box-shadow:var(--shadow-md),var(--shadow-glow);animation:fadeUp .4s ease}.auth-logo{display:flex;align-items:center;gap:10px;margin-bottom:28px}.auth-logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--accent),var(--purple));border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px}.auth-logo-text{font-size:22px;font-weight:700;letter-spacing:-.5px}.auth-logo-text span{color:var(--accent-light)}.auth-title{font-size:26px;font-weight:700;margin-bottom:6px}.auth-sub{color:var(--text-secondary);font-size:14px;margin-bottom:28px}.form-group{margin-bottom:18px}.form-label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-input{width:100%;padding:11px 14px;background:#ffffff0a;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:14px;font-family:var(--font);transition:border-color var(--transition),box-shadow var(--transition);outline:none}.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.form-input::placeholder{color:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border:none;border-radius:var(--radius-sm);font-family:var(--font);font-size:14px;font-weight:600;cursor:pointer;transition:all var(--transition);text-decoration:none}.btn-primary{background:linear-gradient(135deg,var(--accent),#2563eb);color:#fff;box-shadow:0 4px 14px #3b82f659}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #3b82f673}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:#ffffff0f;color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:#ffffff1a;border-color:var(--border-glow)}.btn-full{width:100%}.btn-sm{padding:7px 14px;font-size:13px}.auth-footer{text-align:center;margin-top:22px;font-size:13px;color:var(--text-secondary)}.auth-footer a{color:var(--accent-light);text-decoration:none;font-weight:500}.auth-footer a:hover{text-decoration:underline}.error-msg{background:#f43f5e1a;border:1px solid rgba(244,63,94,.3);color:#fca5a5;padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:16px}.success-msg{background:#22c55e1a;border:1px solid rgba(34,197,94,.3);color:#86efac;padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:16px}.sidebar{width:240px;min-height:100vh;background:var(--bg-surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:24px 0;position:sticky;top:0;flex-shrink:0}.sidebar-logo{display:flex;align-items:center;gap:10px;padding:0 20px 28px;border-bottom:1px solid var(--border);margin-bottom:16px}.sidebar-logo-icon{width:34px;height:34px;background:linear-gradient(135deg,var(--accent),var(--purple));border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.sidebar-logo-text{font-size:16px;font-weight:700}.sidebar-logo-text span{color:var(--accent-light)}.sidebar-nav{flex:1;padding:0 12px}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;text-decoration:none;transition:all var(--transition);margin-bottom:2px}.nav-item:hover{background:#3b82f614;color:var(--text-primary)}.nav-item.active{background:#3b82f626;color:var(--accent-light)}.nav-item .nav-icon{font-size:16px;width:20px;text-align:center}.sidebar-footer{padding:16px 20px 0;border-top:1px solid var(--border);margin-top:auto}.user-pill{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#ffffff0a;border-radius:var(--radius-sm);margin-bottom:10px}.user-avatar{width:30px;height:30px;background:linear-gradient(135deg,var(--teal),var(--accent));border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}.user-info{overflow:hidden}.user-name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-email{font-size:11px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.logout-btn{width:100%;padding:9px 12px;background:#f43f5e14;border:1px solid rgba(244,63,94,.2);color:#fca5a5;border-radius:var(--radius-sm);font-size:13px;font-weight:500;cursor:pointer;transition:all var(--transition);display:flex;align-items:center;gap:6px;justify-content:center}.logout-btn:hover{background:#f43f5e26}.topbar{padding:16px 32px;border-bottom:1px solid var(--border);background:var(--bg-surface);display:flex;align-items:center;justify-content:space-between}.topbar-title{font-size:20px;font-weight:700}.topbar-sub{font-size:13px;color:var(--text-secondary);margin-top:2px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:28px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;transition:all var(--transition);position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--card-accent, var(--accent));border-radius:2px 2px 0 0}.stat-card:hover{background:var(--bg-card-hover);border-color:var(--border-glow);transform:translateY(-2px);box-shadow:var(--shadow-md)}.stat-icon{width:38px;height:38px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:14px;background:var(--icon-bg, rgba(59,130,246,.15))}.stat-label{font-size:12px;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}.stat-value{font-size:26px;font-weight:700;color:var(--text-primary);line-height:1;margin-bottom:4px}.stat-value.small{font-size:20px}.stat-sub{font-size:12px;color:var(--text-muted)}.filters-bar{display:flex;align-items:flex-end;gap:14px;flex-wrap:wrap;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px 20px;margin-bottom:24px}.filter-group{display:flex;flex-direction:column;gap:6px}.filter-label{font-size:12px;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.4px}.filter-input,.filter-select{padding:9px 12px;background:#ffffff0a;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:13px;font-family:var(--font);outline:none;transition:border-color var(--transition);min-width:140px}.filter-input:focus,.filter-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.filter-select option{background:var(--bg-card)}.filter-actions{display:flex;gap:8px;margin-top:auto}.chart-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;margin-bottom:24px}.chart-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.chart-title{font-size:16px;font-weight:600}.chart-legend{display:flex;gap:16px}.legend-item{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-secondary)}.legend-dot{width:8px;height:8px;border-radius:50%}.table-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;margin-bottom:24px}.table-header{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.table-title{font-size:15px;font-weight:600}.table-count{font-size:12px;color:var(--text-secondary)}.data-table{width:100%;border-collapse:collapse}.data-table th{padding:12px 16px;text-align:left;font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;background:#0003;white-space:nowrap}.data-table td{padding:13px 16px;font-size:13px;border-bottom:1px solid rgba(255,255,255,.04);white-space:nowrap}.data-table tbody tr{transition:background var(--transition)}.data-table tbody tr:hover{background:#3b82f60a}.data-table tbody tr:last-child td{border-bottom:none}.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:600;background:#3b82f626;color:var(--accent-light)}.pagination{display:flex;align-items:center;gap:6px;padding:14px 22px;border-top:1px solid var(--border);justify-content:flex-end}.page-btn{width:32px;height:32px;border:1px solid var(--border);background:transparent;color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;font-size:13px;font-family:var(--font);display:flex;align-items:center;justify-content:center;transition:all var(--transition)}.page-btn:hover{border-color:var(--accent);color:var(--accent-light)}.page-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.page-btn:disabled{opacity:.4;cursor:not-allowed}.page-info{font-size:13px;color:var(--text-secondary);margin:0 8px}.upload-section{max-width:660px}.upload-zone{border:2px dashed var(--border-glow);border-radius:var(--radius-lg);padding:48px;text-align:center;cursor:pointer;transition:all var(--transition);background:#3b82f605;position:relative}.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent);background:var(--accent-glow)}.upload-zone input[type=file]{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer;width:100%;height:100%}.upload-icon{font-size:48px;margin-bottom:14px}.upload-title{font-size:18px;font-weight:600;margin-bottom:6px}.upload-sub{font-size:13px;color:var(--text-secondary);margin-bottom:20px}.upload-file-name{padding:8px 16px;background:#3b82f61a;border:1px solid var(--accent);border-radius:20px;font-size:13px;color:var(--accent-light);display:inline-block;margin-top:10px}.upload-history{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;margin-top:28px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary)}.empty-icon{font-size:48px;margin-bottom:14px;opacity:.5}.empty-title{font-size:16px;font-weight:600;margin-bottom:6px;color:var(--text-primary)}.empty-sub{font-size:13px}.spinner-wrap{display:flex;justify-content:center;align-items:center;padding:60px}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.fade-in{animation:fadeIn .3s ease}@media (max-width: 768px){.sidebar{width:200px}.page-content{padding:16px}.topbar{padding:14px 16px}.stats-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 560px){.sidebar{display:none}.stats-grid{grid-template-columns:1fr 1fr}}