:root{--arm-primary:#2563eb;--arm-secondary:#0ea5e9;--arm-success:#16a34a;--arm-warning:#f59e0b;--arm-danger:#dc2626;--arm-gradient:linear-gradient(135deg,#2563eb 0%,#0ea5e9 100%)}body{background:#f4f7fb}.arm-card{border:none;border-radius:18px;overflow:hidden}.arm-summary{background:var(--arm-gradient);color:#fff}.section-title{font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.5px;color:var(--arm-primary);border-bottom:2px solid #eef2ff;padding-bottom:8px;margin-bottom:18px}.input-group-text{min-width:46px;background:#f8fafc;border-right:none;font-weight:600}.form-control{border-left:none}.sticky-summary{position:sticky;top:20px}.metric-card{background:#fff;border-radius:14px;padding:16px;box-shadow:0 2px 10px rgba(0,0,0,.05);height:100%}.metric-label{font-size:.72rem;font-weight:700;color:#6b7280;text-transform:uppercase}.metric-value{font-size:1.3rem;font-weight:800;color:#111827}.summary-box{background:rgba(255,255,255,.12);border-radius:12px;padding:14px;margin-bottom:12px}.result-big{font-size:2.7rem;font-weight:800}.chart-wrapper{position:relative;width:100%;height:300px}.table-sm td{padding:.45rem}.period-select{max-width:120px;appearance:none!important;-webkit-appearance:none!important;-moz-appearance:none!important;background:#f8fafc;font-weight:600;padding-right:32px!important;cursor:pointer}.dropdown-arrow{position:absolute;right:12px;top:50%;transform:translateY(-50%);pointer-events:none;font-size:12px;color:#6b7280}.badge-soft{background:#eef2ff;color:#1d4ed8;font-size:.7rem;font-weight:700;padding:6px 10px;border-radius:50px}