*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary:#2563eb;--color-primary-dark:#1d4ed8;--color-secondary:#0ea5e9;--color-success:#16a34a;--color-warning:#d97706;--color-danger:#dc2626;--color-info:#0284c7;--color-bg:#f1f5f9;--color-surface:#fff;--color-border:#e2e8f0;--color-text:#1e293b;--color-text-muted:#64748b;--radius:8px;--shadow:0 1px 3px #0000001a, 0 1px 2px #0000000f;--shadow-md:0 4px 6px #00000012, 0 2px 4px #0000000f;--transition:.15s ease;--sidebar-w:240px}html,body{height:100%;color:var(--color-text);background:var(--color-bg);font-family:Inter,system-ui,sans-serif;font-size:14px}#app{height:100%}a{color:inherit;text-decoration:none}.app-shell{height:100vh;display:flex;overflow:hidden}.app-sidebar{width:var(--sidebar-w);color:#e2e8f0;background:#1e293b;flex-direction:column;flex-shrink:0;display:flex;overflow-y:auto}.app-main{flex-direction:column;flex:1;display:flex;overflow-y:auto}.app-topbar{background:var(--color-surface);border-bottom:1px solid var(--color-border);flex-shrink:0;align-items:center;gap:12px;height:56px;padding:0 24px;display:flex}.app-content{flex:1;padding:24px}.sidebar-logo{border-bottom:1px solid #ffffff14;align-items:center;gap:10px;padding:20px 16px 12px;display:flex}.sidebar-logo-icon{background:var(--color-primary);color:#fff;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;font-weight:700;display:flex}.sidebar-logo-text{color:#fff;font-size:15px;font-weight:700;line-height:1.2}.sidebar-logo-sub{color:#94a3b8;font-size:11px}.sidebar-section{text-transform:uppercase;letter-spacing:.08em;color:#64748b;padding:16px 8px 4px;font-size:10px;font-weight:700}.sidebar-nav{padding:0 8px;list-style:none}.sidebar-nav li a,.sidebar-nav li button{color:#cbd5e1;cursor:pointer;text-align:left;width:100%;transition:background var(--transition), color var(--transition);background:0 0;border:none;border-radius:6px;align-items:center;gap:10px;padding:9px 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#ffffff14;margin-top:auto;padding:12px}.sidebar-user{border-radius:8px;align-items:center;gap:10px;padding:8px;display:flex}.sidebar-avatar{background:var(--color-primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:13px;font-weight:700;display:flex}.sidebar-user-info{flex:1;min-width:0}.sidebar-user-name{color:#e2e8f0;white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.sidebar-user-role{color:#94a3b8;font-size:11px}.card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.card-title{font-size:16px;font-weight:600}.card-subtitle{color:var(--color-text-muted);margin-top:2px;font-size:12px}.stat-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 20px}.stat-label{color:var(--color-text-muted);margin-bottom:6px;font-size:12px;font-weight:500}.stat-value{font-size:28px;font-weight:700;line-height:1}.stat-sub{color:var(--color-text-muted);margin-top:4px;font-size:12px}.btn{cursor:pointer;transition:background var(--transition), opacity var(--transition);border:none;border-radius:6px;align-items:center;gap:6px;padding:8px 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#0000002e}.modal-header{border-bottom:1px solid var(--color-border);flex-shrink:0;justify-content:space-between;align-items:center;padding:18px 20px;display:flex}.modal-title{font-size:16px;font-weight:600}.modal-body{flex:1;padding:20px;overflow-y:auto}.modal-footer{border-top:1px solid var(--color-border);flex-shrink:0;justify-content:flex-end;gap:10px;padding:14px 20px;display:flex}.modal-close{cursor:pointer;color:var(--color-text-muted);background:0 0;border:none;border-radius:4px;padding:2px 4px;font-size:20px;line-height:1}.modal-close:hover{background:var(--color-border)}.toast-container{z-index:200;flex-direction:column;gap:10px;display:flex;position:fixed;bottom:24px;right:24px}.toast{box-shadow:var(--shadow-md);color:#fff;border-radius:8px;align-items:center;gap:10px;min-width:260px;max-width:380px;padding:12px 18px;font-size:13.5px;font-weight:500;animation:.2s 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