:root{--font-inter:"Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--bg-primary:#fff;--hero-padding:36px;--bg-secondary:#f8fafc;--bg-tertiary:#f1f5f9;--text-primary:#0f172a;--text-secondary:#64748b;--accent-color:#2563eb;--accent-hover:#1d4ed8;--border-color:#e2e8f0;--success-color:#10b981;--danger-color:#ef4444;--sidebar-width:280px;--topbar-height:70px;--transition:all .3s cubic-bezier(.4, 0, .2, 1);--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-inter), sans-serif;color:var(--text-primary);background-color:var(--bg-secondary);overflow-x:hidden}.app-container{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background:var(--bg-primary);border-right:1px solid var(--border-color);z-index:1000;transition:var(--transition);flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar.closed{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-header{height:var(--topbar-height);border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:0 24px;display:flex}.sidebar-logo{background:linear-gradient(135deg, var(--accent-color), #6366f1);color:#fff;width:36px;height:36px;box-shadow:var(--shadow-sm);border-radius:10px;justify-content:center;align-items:center;font-size:16px;font-weight:800;display:flex}.sidebar-title{letter-spacing:-.02em;font-size:18px;font-weight:700}.mobile-close{background:var(--bg-tertiary);cursor:pointer;color:var(--text-secondary);border:none;border-radius:8px;padding:6px;display:none}.sidebar-action{padding:24px 16px}.sidebar-btn{justify-content:center;align-items:center;gap:10px;width:100%;padding:12px;font-size:14px;font-weight:600;display:flex;box-shadow:0 4px 12px #2563eb33}.sidebar-nav{flex-direction:column;flex:1;padding:0 12px 24px;display:flex}.nav-group{flex-direction:column;gap:4px;display:flex}.nav-item{color:var(--text-secondary);transition:var(--transition);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:10px;align-items:center;gap:12px;width:100%;padding:12px 16px;text-decoration:none;display:flex}.nav-item:hover{background:var(--bg-tertiary);color:var(--text-primary)}.nav-item.active{color:var(--accent-color);background:#2563eb14;font-weight:600}.logout-btn{color:var(--danger-color);margin-top:auto}.sidebar-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:900;opacity:0;visibility:hidden;transition:var(--transition);background:#0f172a66;position:fixed;inset:0}.sidebar-overlay.visible{opacity:1;visibility:visible}.main-content{transition:var(--transition);flex:1;min-width:0;margin-left:0}.sidebar-collapsed .main-content{margin-left:0}.topbar{height:var(--topbar-height);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);z-index:500;background:#fffc;align-items:center;padding:0 24px;display:flex;position:sticky;top:0}.menu-toggle{background:var(--bg-tertiary);cursor:pointer;color:var(--text-primary);border:none;border-radius:10px;justify-content:center;align-items:center;margin-right:16px;padding:10px;display:flex}.breadcrumb{color:var(--text-secondary);margin-left:12px;font-size:14px}.topbar-actions{align-items:center;gap:16px;margin-left:auto;display:flex}.user-avatar{background:var(--bg-tertiary);width:36px;height:36px;color:var(--text-secondary);border:1px solid var(--border-color);border-radius:10px;justify-content:center;align-items:center;display:flex}.page-container{max-width:1200px;margin:0 auto;padding:40px}.btn{background:var(--accent-color);color:#fff;cursor:pointer;transition:var(--transition);border:none;border-radius:10px;align-items:center;gap:8px;padding:12px 24px;font-weight:600;display:flex}.btn:hover{background:var(--accent-hover);transform:translateY(-1px)}.page-title{letter-spacing:-.02em;margin-bottom:24px;font-size:28px;font-weight:800}.text-sm{font-size:13px}.font-medium{font-weight:500}.animate-fade-in{animation:.5s ease-out fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-slide-up{animation:.4s ease-out slideUp}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-pulse{animation:2s cubic-bezier(.4,0,.6,1) infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-spin{animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.stagger-1{animation:.5s ease-out .1s both fadeIn}.stagger-2{animation:.5s ease-out .2s both fadeIn}.stagger-3{animation:.5s ease-out .3s both fadeIn}.stagger-4{animation:.5s ease-out .4s both fadeIn}.page-content-wrapper{min-height:calc(100vh - var(--topbar-height))}.card{background:var(--bg-primary);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:16px;margin-bottom:24px;padding:24px}.card-title{margin-bottom:8px;font-size:18px;font-weight:700}.card-desc{color:var(--text-secondary);font-size:14px}.stat-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:32px;display:grid}.stat-card{background:var(--bg-primary);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);transition:var(--transition);border-radius:12px;padding:20px}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px;font-size:12px;font-weight:600}.stat-value{letter-spacing:-.02em;font-size:28px;font-weight:800}.list-item{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:16px 0;display:flex}.list-item:last-child{border-bottom:none}.list-item-left{align-items:center;gap:12px;display:flex}.icon-box{background:var(--bg-tertiary);border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.status{text-transform:capitalize;border-radius:20px;padding:4px 12px;font-size:12px;font-weight:600}.status.completed{color:var(--success-color);background:#10b9811a}.status.pending{color:#ff9d00;background:#ff9d001a}.btn-outline{border:1px solid var(--border-color);color:var(--text-primary);background:0 0}.btn-outline:hover{background:var(--bg-tertiary);border-color:var(--text-secondary);transform:translateY(-1px)}.upload-area{border:2px dashed var(--border-color);text-align:center;transition:var(--transition);background:var(--bg-primary);border-radius:12px;padding:32px}.upload-area:hover{border-color:var(--accent-color);background:#2563eb05}.upload-icon{color:var(--text-secondary);margin-bottom:12px}.action-icon{cursor:pointer;color:var(--text-secondary);transition:var(--transition)}.action-icon:hover{color:var(--text-primary)}.grid-2-cols{grid-template-columns:1fr 1fr;gap:24px;display:grid}.grid-3-cols{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.flex-stack-mobile{justify-content:space-between;align-items:center;gap:16px;display:flex}.list-item-right{align-items:center;gap:24px;display:flex}.responsive-wrapper{color:#334155;width:100%;max-width:1000px;min-height:100vh;margin:0 auto;padding:40px 24px 80px}.responsive-title{color:#0f172a;font-size:32px;font-weight:800}@media (max-width:1024px){.main-content{margin-left:0}.mobile-close{display:flex}.grid-3-cols{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.grid-2-cols,.grid-3-cols{grid-template-columns:1fr;gap:16px}.responsive-wrapper{padding:24px 16px}.responsive-title{font-size:24px}}@media (max-width:640px){.page-container{padding:24px 16px}.topbar{padding:0 16px}.breadcrumb{display:none}.flex-stack-mobile,.list-item{flex-direction:column;align-items:stretch;gap:12px}.list-item-right{justify-content:space-between;gap:12px;width:100%}:root{--hero-padding:20px}}