:root{--bg: hsl(209, 40%, 96%);--fg: hsl(222, 47%, 11%);--card: hsl(210, 40%, 98%);--card-fg: hsl(222, 47%, 11%);--primary: hsl(200, 98%, 39%);--primary-fg: hsl(204, 100%, 97%);--primary-hover: hsl(200, 98%, 33%);--primary-light: hsl(200, 80%, 92%);--secondary: hsl(215, 24%, 26%);--secondary-fg: hsl(210, 40%, 98%);--muted: hsl(215, 20%, 65%);--muted-fg: hsl(215, 15%, 50%);--accent: hsl(210, 40%, 98%);--accent-fg: hsl(215, 19%, 34%);--destructive: hsl(0, 72%, 50%);--destructive-fg: hsl(0, 85%, 97%);--destructive-hover: hsl(0, 72%, 42%);--success: hsl(142, 70%, 40%);--success-fg: hsl(142, 80%, 96%);--success-light: hsl(142, 60%, 90%);--warning: hsl(38, 92%, 50%);--warning-fg: hsl(38, 90%, 12%);--warning-light: hsl(38, 80%, 90%);--border: hsl(212, 26%, 87%);--input-border: hsl(212, 26%, 80%);--ring: hsl(200, 98%, 39%);--radius: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .06);--shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--sidebar-width: 260px;--topbar-height: 60px;--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:14px}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--fg);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit;font-size:inherit}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:linear-gradient(180deg,#1f2733,#2b3646);color:#dbe6f0;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:transform var(--transition);overflow-y:auto}.sidebar-brand{padding:20px 24px;display:flex;align-items:center;gap:12px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-brand-logo{width:38px;height:38px;border-radius:var(--radius);object-fit:contain;flex-shrink:0}.sidebar-brand h1{font-size:14px;font-weight:600;color:#fff;line-height:1.2}.sidebar-brand span{font-size:11px;color:#94a6b8;font-weight:400}.sidebar-nav{padding:16px 12px;flex:1;display:flex;flex-direction:column;gap:2px}.sidebar-section{margin-top:16px;margin-bottom:6px;padding:0 12px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:#758ca3}.sidebar-link{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius);color:#b3bfcc;font-size:13px;font-weight:500;transition:all var(--transition);text-decoration:none;border:none;background:none;width:100%;text-align:left}.sidebar-link:hover{background:#ffffff14;color:#fff;text-decoration:none}.sidebar-link.active{background:var(--primary);color:#fff;box-shadow:0 2px 8px #0088cc4d}.sidebar-link svg,.sidebar-link .icon{width:18px;height:18px;flex-shrink:0;opacity:.8}.sidebar-link.active svg,.sidebar-link.active .icon{opacity:1}.main-content{flex:1;margin-left:var(--sidebar-width);display:flex;flex-direction:column;min-height:100vh}.topbar{height:var(--topbar-height);background:var(--card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:50;box-shadow:var(--shadow-sm)}.topbar-left{display:flex;align-items:center;gap:16px}.topbar-title{font-size:16px;font-weight:600;color:var(--fg)}.topbar-right{display:flex;align-items:center;gap:12px}.topbar-user{display:flex;align-items:center;gap:10px;padding:6px 12px;border-radius:var(--radius);background:var(--bg);border:1px solid var(--border);cursor:pointer;transition:all var(--transition);position:relative}.topbar-user:hover{border-color:var(--primary)}.topbar-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}.topbar-user-info{display:flex;flex-direction:column}.topbar-user-name{font-size:13px;font-weight:600}.topbar-user-role{font-size:11px;color:var(--muted-fg)}.page-content{flex:1;padding:24px 28px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}.page-header h2{font-size:22px;font-weight:700;color:var(--fg)}.page-header-actions{display:flex;gap:8px;align-items:center}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px}.card-header h3{font-size:15px;font-weight:600}.card-body{padding:20px}.card-footer{padding:12px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;display:flex;align-items:flex-start;gap:14px;transition:all 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transparent;margin-bottom:-2px;font-size:13px;font-weight:500;color:var(--muted-fg);cursor:pointer;transition:all var(--transition)}.tab-btn:hover{color:var(--fg)}.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}.loading-center{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;gap:12px}.loading-center .spinner{width:32px;height:32px}.dropdown{position:relative}.dropdown-menu{position:absolute;top:calc(100% + 4px);right:0;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);min-width:180px;padding:6px;z-index:200;animation:fadeIn .15s ease}.dropdown-item{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:4px;font-size:13px;color:var(--fg);cursor:pointer;transition:all var(--transition);border:none;background:none;width:100%;text-align:left}.dropdown-item:hover{background:var(--bg)}.dropdown-divider{height:1px;background:var(--border);margin:4px 0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes slideInRight{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@keyframes slideOutRight{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(100%)}}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0}.page-content{padding:16px}.stats-grid{grid-template-columns:1fr 1fr}.form-row{grid-template-columns:1fr}.filters-bar{flex-direction:column;align-items:stretch}.filters-bar .form-input,.filters-bar 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dashed var(--border);border-radius:var(--radius-lg);padding:32px 20px;text-align:center;cursor:pointer;transition:all var(--transition)}.file-upload:hover{border-color:var(--primary);background:var(--primary-light)}.file-upload-icon{font-size:32px;margin-bottom:8px}.file-upload-text{font-size:14px;font-weight:500;margin-bottom:4px}.file-upload-hint{font-size:12px;color:var(--muted-fg)}.progress-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden}.progress-fill{height:100%;border-radius:3px;transition:width .3s ease}.progress-fill.blue{background:var(--primary)}.progress-fill.green{background:var(--success)}.progress-fill.orange{background:var(--warning)}.app-footer{padding:16px 28px;text-align:center;font-size:12px;color:var(--muted-fg);border-top:1px solid var(--border);background:var(--card)}.searchable-select{width:100%;min-width:160px}.searchable-dropdown{box-shadow:0 4px 12px #00000026;border:1px solid var(--border);border-radius:var(--radius);background:#fff;margin-top:4px;z-index:1000}.dropdown-item{font-size:13px;padding:8px 12px;cursor:pointer;color:var(--fg);transition:background .1s}.dropdown-item:hover{background:#f1f5f9}.dropdown-item.selected{background:var(--primary-light);color:var(--primary);font-weight:500}