:root{color-scheme:dark;--ink:#05090c;--panel:#0b151d;--text:#f4f7f8;--muted:#a9b7bf;--cyan:#2dd4ff;--amber:#f4a641;--line:rgba(151,190,208,.2)}*{box-sizing:border-box}body{margin:0;background:var(--ink);color:var(--text);font:1rem/1.65 ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--cyan)}.shell{width:min(calc(100% - 2rem),1080px);margin:auto}header{border-bottom:1px solid var(--line)}nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:1rem 0}.brand{display:flex;align-items:center;gap:.8rem;color:var(--text);font-weight:750;text-decoration:none}.mark{position:relative;display:block;width:46px;height:46px;flex:none;overflow:hidden;border-radius:50%;background:#050505}.mark img{position:absolute;max-width:none;width:100px;height:auto;left:-27px;top:-44px}.navlinks{display:flex;gap:1rem;flex-wrap:wrap}.navlinks a{font-size:.9rem;color:var(--muted);text-decoration:none}main{padding:2.5rem 0 4rem}.eyebrow{color:var(--cyan);text-transform:uppercase;letter-spacing:.12em;font-size:.875rem;font-weight:750;margin:0 0 .8rem}h1,h2,h3{line-height:1.15;letter-spacing:-.035em;margin:0}h1{font-size:clamp(2.3rem,5vw,4rem)}h2{font-size:clamp(1.7rem,3vw,2.4rem)}h3{font-size:1.2rem}.lede{max-width:740px;color:var(--muted);font-size:1.08rem}.tabs{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.7rem 0 2rem}.tabs a,.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:.65rem 1.2rem;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-weight:700;color:var(--text)}.tabs a[aria-current],.button{border-color:var(--cyan);background:var(--cyan);color:#021016}a:hover{filter:brightness(1.15)}:focus-visible{outline:2px solid var(--amber);outline-offset:5px}.intro{padding:1.5rem;border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:12px;background:var(--panel);margin-bottom:2rem}.intro p{margin:.6rem 0 0;color:var(--muted)}section{scroll-margin-top:1.5rem;margin:2.5rem 0}.section-copy{color:var(--muted);max-width:780px}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.card{padding:1.5rem;border:1px solid var(--line);border-radius:18px;background:linear-gradient(135deg,#0c1c26,#080f15);overflow-wrap:anywhere}.card p{color:var(--muted);margin:.7rem 0}.card .status{color:var(--amber);font-size:.9rem;font-weight:700;margin:0 0 .7rem}.card .identifier{font: .875rem/1.6 ui-monospace,monospace;color:var(--muted)}.card:target,.card.selected{border:2px solid var(--cyan)}.card .button{margin-top:.7rem}.help{padding:1.5rem;border-top:1px solid var(--line);margin-top:2.5rem}.help ol{padding-left:1.4rem;color:var(--muted)}footer{border-top:1px solid var(--line);padding:1.5rem 0;color:var(--muted)}footer .shell{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}[hidden]{display:none!important}@media(max-width:650px){.cards{grid-template-columns:1fr}main{padding-top:2rem}.navlinks{gap:.8rem}}@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}

.install-areas{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin:1.75rem 0 2rem}.install-areas .card{display:flex;flex-direction:column}.install-areas .button{margin-top:auto}.area-number{color:var(--amber);font-size:.9rem;font-weight:750;margin-bottom:1rem}.pending-button{font:inherit;cursor:not-allowed;background:#1c2a33;color:#a9b7bf;border-color:#34444e}.install-areas h2{font-size:1.5rem}.install-areas p{margin-bottom:1.25rem}@media(max-width:760px){.install-areas{grid-template-columns:1fr}}

.prerequisite{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:2rem;padding:clamp(1.5rem,4vw,2.25rem);border:1px solid rgba(45,212,255,.42);border-left:4px solid var(--cyan);border-radius:18px;background:linear-gradient(135deg,rgba(45,212,255,.13),rgba(11,21,29,.96));box-shadow:0 22px 70px rgba(0,0,0,.2)}
.prerequisite h2{font-size:clamp(2rem,4vw,3rem)}
.prerequisite p{max-width:720px;margin:.65rem 0 0;color:var(--muted)}
.prerequisite .button{flex-shrink:0}
.step-status{color:var(--amber)!important;font:750 .8rem/1.4 ui-monospace,monospace;letter-spacing:.1em}
.returning{color:var(--text)!important;font-weight:700}
.install-areas .card{position:relative}
.install-areas .card:not(:last-child)::after{content:"→";position:absolute;right:-13px;top:24px;z-index:2;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--cyan);color:var(--ink);font-weight:900}
.install-areas .foundation{border-color:rgba(45,212,255,.5);background:linear-gradient(145deg,rgba(45,212,255,.16),rgba(8,18,24,.9));box-shadow:inset 0 0 0 1px rgba(45,212,255,.15)}
.install-areas .current-step{border-color:rgba(244,166,65,.5)}
.install-areas.compact .card{min-height:205px}
.pending-label{display:block;margin-top:auto;padding:.75rem 0;color:var(--amber);font-size:.9rem;font-weight:750}
.inline-links{display:flex;flex-wrap:wrap;gap:1rem;margin-top:auto;padding-top:.8rem;font-weight:700}
.section-heading{max-width:780px;margin-bottom:1.25rem}
.section-heading .eyebrow,.section-heading .area-number{display:block;margin-bottom:.75rem}
.stage-section{padding:1.5rem;border:1px solid var(--line);border-radius:18px;background:var(--panel)}
.stage-section .pending-button{margin-top:.75rem}
.transition-notice{padding:clamp(1.5rem,4vw,2.4rem);border:1px solid rgba(244,166,65,.45);border-left:4px solid var(--amber);border-radius:18px;background:linear-gradient(135deg,rgba(244,166,65,.12),rgba(11,21,29,.96));box-shadow:0 22px 70px rgba(0,0,0,.2)}
.transition-notice h2{font-size:clamp(2rem,5vw,3.35rem);max-width:760px}
.transition-notice p{max-width:820px;color:#d0d9de}
.transition-notice .early-user-note{margin-top:1.35rem;padding:1rem 1.1rem;border-left:3px solid var(--cyan);border-radius:0 12px 12px 0;background:rgba(45,212,255,.08);color:var(--text);font-size:.96rem}
.unavailable-label{display:inline-flex;min-height:48px;align-items:center;justify-content:center;margin-top:.8rem;padding:.65rem 1.2rem;border:1px solid #34444e;border-radius:999px;background:#1c2a33;color:#c5d0d6;font-weight:750}
.setup-notice{max-width:780px;margin:1rem 0 1.25rem;padding:1rem 1.1rem;border-left:3px solid var(--amber);border-radius:0 12px 12px 0;background:rgba(244,166,65,.09);color:#dbe4e8}.setup-notice strong{color:var(--text)}
.speaker-guide{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:1rem;align-items:start}.speaker-requirement,.speaker-list{padding:clamp(1.35rem,4vw,2rem);border:1px solid var(--line);border-radius:18px;background:linear-gradient(135deg,#0c1c26,#080f15)}.speaker-requirement{border-left:4px solid var(--amber)}.speaker-requirement p,.speaker-list>p{color:var(--muted)}.speaker-list ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem;margin:1.25rem 0 0;padding:0;list-style:none}.speaker-list li{min-width:0;padding:.75rem .9rem;border:1px solid var(--line);border-radius:10px;background:rgba(45,212,255,.06);overflow-wrap:anywhere}.speaker-list code{color:var(--text);font:700 .95rem/1.45 ui-monospace,SFMono-Regular,Consolas,monospace}.guide-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.5rem}
@media(max-width:760px){.prerequisite{grid-template-columns:1fr;align-items:start}.prerequisite .button{width:100%}.install-areas .card:not(:last-child)::after{content:"↓";right:24px;top:auto;bottom:-13px}}
@media(max-width:760px){.speaker-guide{grid-template-columns:1fr}.speaker-list ul{grid-template-columns:1fr}.guide-actions .button{width:100%}}

.radio-music-discovery .button{max-width:100%;background:transparent;border-color:var(--line);color:var(--cyan);text-align:center;white-space:normal}
@media(max-width:650px){.radio-music-discovery .button{width:100%}}

.radio-local-controls{border-color:rgba(45,212,255,.42)}
.radio-control-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:1.5rem}
.radio-control-fields label{display:grid;gap:.45rem;color:var(--text);font-weight:700}
.radio-control-fields select{width:100%;min-height:50px;padding:.7rem .85rem;border:1px solid var(--line);border-radius:12px;background:#071118;color:var(--text);font:inherit}
.radio-control-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.25rem}
.radio-control-actions .button{cursor:pointer;font:inherit}
.radio-control-actions .button.secondary{background:transparent;border-color:var(--line);color:var(--text)}
.radio-control-note{margin:1rem 0 0;color:var(--muted);font-size:.92rem}
@media(max-width:650px){.radio-control-fields{grid-template-columns:1fr}.radio-control-actions .button{flex:1 1 calc(50% - .75rem)}}