:root{--ui-bg:#f5f7fb;--ui-surface:#fff;--ui-surface-soft:#f1f4f9;--ui-text:#172033;--ui-muted:#596579;--ui-border:#dfe4ed;--ui-shadow:0 12px 34px #1f2d5014}:root[data-theme=dark]{--ui-bg:#0b1120;--ui-surface:#121b2d;--ui-surface-soft:#182338;--ui-text:#f3f6fd;--ui-muted:#a7b2c7;--ui-border:#2a3850;--ui-shadow:0 16px 42px #00000047}.ui-preferences{align-items:center;gap:8px;display:flex}.ui-language{background:var(--ui-surface-soft);border:1px solid var(--ui-border);border-radius:10px;padding:3px;display:flex}.ui-language button,.ui-theme{color:var(--ui-muted);font:inherit;cursor:pointer;background:0 0;border:0;min-height:34px;font-size:12px;font-weight:800}.ui-language button{border-radius:7px;min-width:36px}.ui-language button[aria-pressed=true]{background:var(--ui-surface);color:#1766dc;box-shadow:0 2px 7px #1423461f}.ui-theme{border:1px solid var(--ui-border);background:var(--ui-surface);color:var(--ui-text);border-radius:10px;align-items:center;gap:7px;padding:0 11px;display:flex}.ui-theme span:first-child{font-size:17px}.ui-preferences button:focus-visible{outline-offset:2px;outline:3px solid #73a3ff}:root[data-theme=dark] body{color:#f3f6fd;background:#0b1120}:root[data-theme=dark] .context-bar,:root[data-theme=dark] .topbar,:root[data-theme=dark] .panel,:root[data-theme=dark] .metric,:root[data-theme=dark] .modal,:root[data-theme=dark] .customer-portal header{background:var(--ui-surface);color:var(--ui-text);border-color:var(--ui-border)}:root[data-theme=dark] .main,:root[data-theme=dark] .content,:root[data-theme=dark] .product-app-frame{background:var(--ui-bg);color:var(--ui-text)}:root[data-theme=dark] .panel p,:root[data-theme=dark] .panel small,:root[data-theme=dark] .page-heading span,:root[data-theme=dark] .metric span,:root[data-theme=dark] .metric small{color:var(--ui-muted)}:root[data-theme=dark] .role-gateway{background:var(--ui-bg);color:var(--ui-text)}:root[data-theme=dark] .role-gateway>header,:root[data-theme=dark] .role-gateway article,:root[data-theme=dark] .role-gateway aside{background:var(--ui-surface);border-color:var(--ui-border);color:var(--ui-text)}:root[data-theme=dark] .role-gateway p,:root[data-theme=dark] .role-gateway small{color:var(--ui-muted)}:root[data-theme=dark] .customer-portal{background:var(--ui-bg);color:var(--ui-text)}:root[data-theme=dark] .tracking-card,:root[data-theme=dark] .customer-help,:root[data-theme=dark] .tracking-details>div{background:var(--ui-surface);border-color:var(--ui-border);color:var(--ui-text)}:root[data-theme=dark] .customer-portal p,:root[data-theme=dark] .customer-portal small,:root[data-theme=dark] .customer-portal span{color:var(--ui-muted)}@media (width<=720px){.ui-preferences.is-compact .ui-theme{padding:0 9px}.ui-preferences{gap:5px}.ui-language button{min-width:32px}}