:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--secondary: #10b981;--secondary-dark: #059669;--accent: #f59e0b;--danger: #ef4444;--dark: #0f172a;--dark-light: #1e293b;--gray: #64748b;--gray-light: #94a3b8;--light: #f8fafc;--white: #ffffff;--sidebar-width: 260px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--dark);color:var(--light);line-height:1.6}.app-layout{display:flex;min-height:100vh}.main-content{flex:1;margin-left:var(--sidebar-width);padding:24px;background-color:var(--dark);min-height:100vh}.loading-screen{display:flex;align-items:center;justify-content:center;height:100vh;font-size:1.5rem;color:var(--gray)}.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-width);background:var(--dark);color:var(--white);padding:24px 16px;overflow-y:auto}.sidebar-logo{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:700;margin-bottom:32px;padding:0 8px}.sidebar-logo span:first-child{font-size:1.75rem}.sidebar-nav{list-style:none}.sidebar-nav li{margin-bottom:4px}.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:12px 16px;color:var(--gray-light);text-decoration:none;border-radius:8px;transition:all .2s}.sidebar-nav a:hover,.sidebar-nav a.active{background:#ffffff1a;color:var(--white)}.sidebar-nav a.active{background:var(--primary)}.sidebar-footer{position:absolute;bottom:24px;left:16px;right:16px}.sidebar-user{display:flex;align-items:center;gap:12px;padding:12px;background:#ffffff0d;border-radius:8px;margin-bottom:12px}.sidebar-user-avatar{width:40px;height:40px;background:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600}.sidebar-user-info{flex:1;overflow:hidden}.sidebar-user-name{font-weight:500;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user-email{font-size:.75rem;color:var(--gray-light);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.logout-btn{width:100%;padding:10px;background:none;border:1px solid var(--gray);color:var(--gray-light);border-radius:8px;cursor:pointer;transition:all .2s}.logout-btn:hover{border-color:var(--danger);color:var(--danger)}.page-header{margin-bottom:24px}.page-header h1{font-size:1.75rem;font-weight:700;color:var(--white);margin-bottom:8px}.page-header p{color:var(--gray-light)}.card{background:var(--dark-light);border-radius:12px;padding:24px;box-shadow:0 1px 3px #0000004d;border:1px solid rgba(255,255,255,.05)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.card-title{font-size:1.125rem;font-weight:600;color:var(--white)}.kpis-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:24px}.kpi-card{background:var(--dark-light);border-radius:12px;padding:20px;box-shadow:0 1px 3px #0000004d;border:1px solid rgba(255,255,255,.05)}.kpi-label{font-size:.875rem;color:var(--gray-light);margin-bottom:8px}.kpi-value{font-size:2rem;font-weight:700;color:var(--white)}.kpi-value.positive{color:var(--secondary)}.kpi-value.negative{color:var(--danger)}.kpis-grid-6{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-bottom:32px}.kpis-grid-6 .kpi-card{display:flex;align-items:center;gap:12px;padding:20px;background:var(--dark-light);border-radius:12px;border:1px solid rgba(255,255,255,.05);transition:transform .2s,box-shadow .2s}.kpis-grid-6 .kpi-card:hover{transform:translateY(-2px);box-shadow:0 8px 25px #0000004d}.kpi-icon{font-size:1.5rem}.kpi-content{display:flex;flex-direction:column}.kpis-grid-6 .kpi-value{font-size:1.5rem;font-weight:700;color:var(--white);line-height:1.2}.kpis-grid-6 .kpi-label{font-size:.75rem;color:var(--gray-light);text-transform:uppercase;letter-spacing:.5px}.kpi-card.kpi-warning{border-left:3px solid var(--warning)}.kpi-card.kpi-danger{border-left:3px solid var(--danger)}.kpi-card.kpi-success{border-left:3px solid var(--secondary)}.charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:32px}.chart-card{background:var(--dark-light);border-radius:12px;padding:24px;border:1px solid rgba(255,255,255,.05)}.chart-full{grid-column:1 / 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20px}.status-icon{font-size:3rem;margin-bottom:12px}.status-ready h4{color:var(--secondary);margin-bottom:8px}.status-ready p{color:var(--gray-light)}@media (max-width: 768px){.purchase-grid{grid-template-columns:1fr}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;font-size:.9rem;font-weight:500;border-radius:8px;border:none;cursor:pointer;transition:all .2s}.btn-primary{background:var(--primary);color:var(--white)}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--dark-light);color:var(--white);border:1px solid rgba(255,255,255,.1)}.btn-secondary:hover{background:var(--dark)}.btn-danger{background:var(--danger);color:var(--white)}.btn-sm{padding:6px 12px;font-size:.8rem}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;font-weight:500;font-size:.9rem}.form-group input,.form-group select{width:100%;padding:10px 14px;font-size:.9rem;border:1px solid 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