:root{--bg-dark:#f8fafc;--bg-sidebar:#0f172a;--bg-header:#fff;--text-primary:#1e293b;--text-secondary:#64748b;--text-sidebar:#94a3b8;--text-sidebar-hover:#fff;--text-sidebar-active:#fff;--bg-sidebar-active:#ffffff1a;--border-color:#e2e8f0;--primary-color:#6366f1;--primary-gradient:linear-gradient(90deg, #e0e7ff 0%, #f3e8ff 100%);--card-bg:#fff;--card-border:#e2e8f0;--sidebar-width:240px;--header-height:60px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5}.app-container{height:100vh;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-width);background-color:var(--bg-sidebar);color:var(--text-sidebar);flex-direction:column;flex-shrink:0;display:flex}.sidebar-header{height:var(--header-height);color:#fff;align-items:center;gap:12px;padding:0 24px;font-size:18px;font-weight:600;display:flex}.logo-icon{color:#fff;background:linear-gradient(135deg,#6366f1,#a855f7);border-radius:6px;justify-content:center;align-items:center;width:24px;height:24px;display:flex}.sidebar-menu{flex:1;padding:16px 12px;overflow-y:auto}.menu-group{margin-bottom:24px}.menu-group-title{text-transform:uppercase;color:#64748b;letter-spacing:.05em;margin-bottom:8px;padding:0 12px;font-size:12px}.menu-item{cursor:pointer;color:var(--text-sidebar);border-radius:6px;align-items:center;gap:12px;margin-bottom:4px;padding:10px 12px;font-size:14px;text-decoration:none;transition:all .2s;display:flex}.menu-item:hover{color:var(--text-sidebar-hover);background-color:#ffffff0d}.menu-item.active{color:#818cf8;background-color:#6366f126;font-weight:500}.menu-item.active svg{color:#818cf8}.sub-menu{margin-top:4px;padding-left:36px}.sub-menu-item{cursor:pointer;color:var(--text-sidebar);border-radius:6px;align-items:center;padding:8px 12px;font-size:13px;transition:all .2s;display:flex}.sub-menu-item:hover{color:var(--text-sidebar-hover)}.sidebar-footer{border-top:1px solid #ffffff1a;padding:16px}.main-wrapper{flex-direction:column;flex:1;display:flex;overflow:hidden}.top-header{height:var(--header-height);background-color:var(--bg-header);border-bottom:1px solid var(--border-color);flex-shrink:0;justify-content:space-between;align-items:center;padding:0 24px;display:flex}.header-nav{gap:24px;display:flex}.header-nav-item{color:var(--text-secondary);cursor:pointer;font-size:14px;transition:color .2s}.header-nav-item:hover,.header-nav-item.active{color:var(--text-primary);font-weight:500}.header-actions{align-items:center;gap:20px;display:flex}.search-box{background-color:#f1f5f9;border-radius:20px;align-items:center;width:200px;padding:6px 12px;display:flex}.search-box input{background:0 0;border:none;outline:none;width:100%;margin-left:8px;font-size:13px}.user-profile{cursor:pointer;align-items:center;gap:12px;display:flex}.user-avatar{color:#64748b;background-color:#e2e8f0;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.user-info{flex-direction:column;display:flex}.user-name{font-size:13px;font-weight:500}.user-id{color:var(--text-secondary);font-size:11px}.content-area{background-color:#f4f7fb;flex:1;overflow-y:auto}.banner{border-bottom:1px solid var(--border-color);background:linear-gradient(90deg,#ebf4ff,#faf5ff);padding:32px 40px;position:relative;overflow:hidden}.banner h1{color:#1e293b;margin-bottom:8px;font-size:24px;font-weight:600}.banner p{color:#64748b;font-size:14px}.banner-decoration{background:radial-gradient(circle,#a855f71a 0%,#fff0 70%);width:300px;height:100%;position:absolute;top:0;right:0}.page-content{padding:24px 40px}.content-controls{justify-content:flex-end;align-items:center;gap:12px;margin-bottom:24px;display:flex}.date-picker{border:1px solid var(--border-color);color:var(--text-primary);background:#fff;border-radius:6px;align-items:center;gap:8px;padding:6px 12px;font-size:13px;display:flex}.btn-secondary{border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;background:#fff;border-radius:6px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;display:flex}.btn-secondary:hover{background:#f8fafc}.stats-grid{grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:24px;display:grid}.stat-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:8px;padding:20px;box-shadow:0 1px 2px #00000005}.stat-title{color:var(--text-secondary);justify-content:space-between;align-items:center;margin-bottom:12px;font-size:13px;display:flex}.stat-value{color:var(--text-primary);margin-bottom:8px;font-size:28px;font-weight:600}.stat-change{align-items:center;gap:4px;font-size:12px;display:flex}.stat-change.positive{color:#10b981}.stat-change.negative{color:#ef4444}.chart-section{background:var(--card-bg);border:1px solid var(--card-border);border-radius:8px;padding:24px;box-shadow:0 1px 2px #00000005}.chart-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.chart-title{font-size:16px;font-weight:600}.chart-tabs{background:#f1f5f9;border-radius:6px;padding:4px;display:flex}.chart-tab{cursor:pointer;color:var(--text-secondary);border-radius:4px;padding:6px 16px;font-size:13px}.chart-tab.active{color:var(--text-primary);background:#fff;font-weight:500;box-shadow:0 1px 2px #0000000d}.chart-filters{gap:12px;display:flex}.filter-select{border:1px solid var(--border-color);appearance:none;background:#fff url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3E%3C/svg%3E") right 8px center/16px 16px no-repeat;border-radius:6px;padding:6px 32px 6px 12px;font-size:13px}.chart-container{width:100%;height:350px}