:root{color-scheme:dark;--gold:#e7c34e;--line:rgba(231,195,78,.25)}*{box-sizing:border-box}body{margin:0;min-height:100vh;min-height:100dvh;background:radial-gradient(circle at top left,#075445,#001a15 65%);color:#f0f5f3;font-size:16px;font-family:system-ui,sans-serif;line-height:1.65}a{color:#f3d879}button,a{touch-action:manipulation}:focus-visible{outline:3px solid var(--gold);outline-offset:4px}.install-shell{max-width:1060px;margin:0 auto;padding:40px 24px}.back-link{display:inline-flex;align-items:center;min-height:44px;text-decoration:none}.install-layout{display:grid;grid-template-columns:1fr 1.15fr;gap:24px;margin-top:24px}.install-hero,.install-guide{border:1px solid var(--line);border-radius:26px;padding:36px;background:rgba(0,30,24,.78);min-width:0}.brand{display:flex;gap:16px;align-items:center;margin-bottom:32px}.brand img{width:76px;height:76px;flex-shrink:0}.brand strong{display:block;font-size:1.2rem;line-height:1.3;color:var(--gold)}.brand span{display:block;font-size:.8rem;color:#b6cbc4;margin-top:5px}h1{font-size:clamp(1.7rem,3vw,2.4rem);line-height:1.2;margin:18px 0}h2{font-size:1.4rem;line-height:1.4;margin:0 0 20px}p{color:#c0d4cc}.eyebrow{text-transform:uppercase;font-size:.75rem;letter-spacing:1.5px;color:var(--gold)}.install-now,.primary-link{display:inline-flex;justify-content:center;align-items:center;min-height:48px;border:0;border-radius:12px;padding:12px 20px;background:var(--gold);color:#10241c;font:inherit;font-weight:700;text-decoration:none;cursor:pointer}.install-now{width:100%}.install-now:disabled{opacity:.75;cursor:default}.install-status{font-size:.85rem;margin-top:14px;color:#f3d879;overflow-wrap:anywhere}.device-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.device-tabs button{flex:1;min-height:44px;padding:8px 12px;border:1px solid var(--line);background:#05372d;color:#e0eae5;border-radius:10px;font:inherit;cursor:pointer;white-space:nowrap}.device-tabs button.active{background:var(--gold);color:#10241c}.step{display:flex;gap:14px;margin:20px 0}.step>span{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:32px;height:32px;border:1px solid var(--gold);border-radius:50%;color:var(--gold);font-weight:700}.step p{font-size:.9rem;margin:4px 0}.pwa-note{border-top:1px solid var(--line);margin-top:24px;padding-top:20px}.pwa-note p{font-size:.85rem}.button-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:24px}.button-row a:not(.primary-link){display:inline-flex;min-height:44px;align-items:center}.offline-shell{max-width:460px;margin:10vh auto;padding:24px;text-align:center}.offline-shell img{width:96px;height:96px}@media(max-width:760px){.install-shell{padding:20px 16px max(24px,env(safe-area-inset-bottom))}.install-layout{grid-template-columns:minmax(0,1fr);gap:18px;margin-top:16px}.install-hero,.install-guide{padding:24px 20px;border-radius:20px}.brand{margin-bottom:24px}.brand img{width:64px;height:64px}.brand strong{font-size:1.05rem}.device-tabs button{font-size:.85rem;padding:8px}.button-row .primary-link{width:100%}}[hidden]{display:none!important}