:root { --osd: #f4f7ff; --accent: #ffb000; --bg: rgba(8, 10, 14, 0.82); }
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: #000; color: var(--osd);
  font: 14px/1.4 ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
#world { position: fixed; inset: 0; }
.cesium-viewer-bottom { z-index: 5; } /* keep Google attribution visible above overlays */

#static, #scanlines { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 2; }
#static { opacity: 0; mix-blend-mode: screen; image-rendering: pixelated; }
#scanlines { background: repeating-linear-gradient(0deg, rgba(0,0,0,.14) 0 1px, transparent 1px 3px); opacity: .5; }

#osd { position: fixed; inset: 0; pointer-events: none; z-index: 3; text-shadow: 0 0 2px #000, 1px 1px 0 #000; font-weight: 600; letter-spacing: .04em; }
#horizon { position: absolute; left: 50%; top: 50%; width: 60vmin; height: 60vmin; transform: translate(-50%, -50%); overflow: visible; }
#horizon line { stroke: var(--osd); stroke-width: 2.5; filter: drop-shadow(1px 1px 0 #000); }
.osd-row { position: absolute; left: 4vw; right: 4vw; display: flex; justify-content: space-between; font-size: clamp(12px, 1.6vw, 20px); }
.osd-top { top: 4vh; } .osd-bottom { bottom: 6vh; }
#osd-warn { position: absolute; top: 30%; width: 100%; text-align: center; font-size: clamp(16px, 2.4vw, 30px); color: var(--accent); }
.blink { animation: blink 0.8s steps(2) infinite; } @keyframes blink { 50% { opacity: 0; } }

#menu { position: fixed; inset: 0; display: grid; place-items: center; z-index: 10; background: rgba(0,0,0,.45); backdrop-filter: blur(2px); }
#menu[hidden] { display: none; }
.panel { width: min(720px, 94vw); max-height: 92vh; overflow: auto; background: var(--bg); border: 1px solid rgba(255,255,255,.12); border-radius: 10px; padding: 26px 28px; }
h1 { margin: 0; font-size: 34px; letter-spacing: .18em; } h1 span { color: var(--accent); }
.sub { margin: 4px 0 18px; opacity: .7; }
#spots { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.spot { text-align: left; padding: 12px 14px; background: rgba(255,255,255,.05); color: inherit; font: inherit; border: 1px solid rgba(255,255,255,.14); border-radius: 8px; cursor: pointer; }
.spot:hover, .spot:focus-visible { border-color: var(--accent); background: rgba(255,176,0,.08); outline: none; }
.spot b { display: block; } .spot small { opacity: .6; }
.settings { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px 16px; margin: 20px 0 8px; }
.settings label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; opacity: .85; }
.settings label.check { flex-direction: row; align-items: center; }
select, button { font: inherit; color: inherit; background: #1a1d24; border: 1px solid rgba(255,255,255,.2); border-radius: 6px; padding: 6px 8px; }
input[type=range] { accent-color: var(--accent); }
#resume { margin-top: 14px; width: 100%; padding: 10px; background: var(--accent); color: #000; font-weight: 700; border: 0; cursor: pointer; }
.controls { margin-top: 12px; font-size: 12px; opacity: .85; } .controls summary { cursor: pointer; }
.controls table { border-collapse: collapse; margin: 8px 0; } .controls td, .controls th { padding: 3px 12px 3px 0; text-align: left; }
#status { color: var(--accent); min-height: 1.4em; margin: 10px 0 0; }

#crash, #loading { position: fixed; inset: 0; display: grid; place-content: center; text-align: center; z-index: 6; pointer-events: none; }
#crash[hidden], #loading[hidden] { display: none; }
#crash div { font-size: 64px; font-weight: 800; letter-spacing: .2em; color: #ff3b3b; text-shadow: 0 0 12px #000; }
#loading { font-size: 22px; letter-spacing: .2em; background: #000; }

#toast { position: fixed; top: 18%; left: 50%; transform: translateX(-50%); z-index: 6; pointer-events: none;
  font-size: clamp(22px, 3.2vw, 40px); font-weight: 800; letter-spacing: .2em; color: var(--accent); text-shadow: 0 0 10px #000, 2px 2px 0 #000; }
#toast { z-index: 8; } /* above Street View */
#toast[hidden] { display: none; }

#local-key { margin-top: 14px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.1); display: flex; flex-direction: column; gap: 6px; font-size: 12px; }
#local-key[hidden] { display: none; }
.key-row { display: flex; gap: 8px; }
.key-row input { flex: 1; font: inherit; color: inherit; background: #1a1d24; border: 1px solid rgba(255,255,255,.2); border-radius: 6px; padding: 6px 8px; }
#key-save { cursor: pointer; }
#key-note { opacity: .6; }

#osd-sv { position: absolute; bottom: 12vh; width: 100%; text-align: center; font-size: clamp(11px, 1.3vw, 16px); opacity: .85; }
#osd-sv[hidden] { display: none; }

#streetview { position: fixed; inset: 0; z-index: 7; background: #000; }
#streetview[hidden] { display: none; }
#sv-pano { position: absolute; inset: 0; }
.sv-bar { position: absolute; top: 0; left: 0; right: 0; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 12px 16px; background: linear-gradient(rgba(0,0,0,.75), transparent); font-weight: 700; letter-spacing: .12em; pointer-events: none; }
.sv-bar b { color: var(--accent); margin-left: 12px; letter-spacing: .04em; }
#sv-back { pointer-events: auto; background: var(--accent); color: #000; border: 0; font-weight: 700; cursor: pointer; }

/* Stem Studios branding */
.brand { margin: 0 0 6px; font-size: 12px; font-weight: 700; letter-spacing: .32em; color: var(--osd); opacity: .75; }
.brand span { color: var(--accent); opacity: .9; }
#osd-brand { position: absolute; top: calc(4vh + clamp(18px, 2.2vw, 28px)); right: 4vw; font-size: clamp(9px, 1vw, 12px); letter-spacing: .3em; opacity: .55; }
#loading span { display: block; margin-bottom: 10px; font-size: 13px; letter-spacing: .4em; color: var(--accent); }
.home-link { float: right; font-size: 12px; color: var(--osd); opacity: .6; text-decoration: none; letter-spacing: .05em; }
.home-link:hover, .home-link:focus-visible { opacity: 1; color: var(--accent); outline: none; }