:root {
  --bg: #04060f;
  --panel-bg: rgba(10, 16, 32, 0.88);
  --accent: #6ea8ff;
  --accent2: #ffb84c;
  --text: #dbe6ff;
  --dim: #7d8db3;
  --border: rgba(110, 168, 255, 0.25);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body, #app { width: 100%; height: 100%; overflow: hidden; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}
#scene { position: fixed; inset: 0; display: block; }

/* ── Topbar ─────────────────────────────────────────────────── */
#topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10;
  display: flex; align-items: center; gap: 24px;
  padding: 10px 20px;
  background: linear-gradient(180deg, rgba(4,6,15,.92) 0%, rgba(4,6,15,0) 100%);
  pointer-events: none;
}
#topbar > * { pointer-events: auto; }
#logo { display: flex; align-items: center; gap: 12px; }
.logo-icon { font-size: 28px; color: var(--accent2); animation: pulse 3s infinite; }
@keyframes pulse { 0%,100% {opacity:.8} 50% {opacity:1; text-shadow:0 0 18px var(--accent2)} }
h1 { font-size: 16px; letter-spacing: 4px; font-weight: 600; }
h1 span { color: var(--accent); }
.tagline { font-size: 10px; color: var(--dim); letter-spacing: 1px; }
#tabs { display: flex; gap: 6px; margin-left: auto; }
.tab {
  background: rgba(110,168,255,.08); color: var(--text);
  border: 1px solid var(--border); border-radius: 20px;
  padding: 7px 16px; font-size: 13px; cursor: pointer;
  transition: all .25s;
}
.tab:hover { background: rgba(110,168,255,.2); }
.tab.active { background: var(--accent); color: #04122e; font-weight: 600; }
#status { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--dim); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #3a4560; }
.dot.on { background: #4ade80; box-shadow: 0 0 8px #4ade80; }
.dot.warn { background: #fbbf24; }

/* ── Pannello dettaglio ─────────────────────────────────────── */
#panel {
  position: fixed; top: 70px; right: 16px; bottom: 110px; width: 360px;
  z-index: 9; background: var(--panel-bg); backdrop-filter: blur(14px);
  border: 1px solid var(--border); border-radius: 14px;
  padding: 22px; overflow-y: auto;
  box-shadow: 0 0 40px rgba(110,168,255,.08);
  animation: slidein .3s ease;
}
@keyframes slidein { from { transform: translateX(30px); opacity: 0 } to { transform: none; opacity: 1 } }
#panel-close {
  position: absolute; top: 10px; right: 12px;
  background: none; border: none; color: var(--dim);
  font-size: 16px; cursor: pointer;
}
#panel h2 { font-size: 20px; margin-bottom: 4px; letter-spacing: 1px; }
#panel .tipo { font-size: 11px; color: var(--accent2); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 14px; }
.kv { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 14px 0; }
.kv div {
  background: rgba(110,168,255,.06); border-radius: 8px; padding: 8px 10px;
}
.kv .k { font-size: 9px; color: var(--dim); letter-spacing: 1px; text-transform: uppercase; }
.kv .v { font-size: 13px; margin-top: 2px; }
#panel h3 {
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent); margin: 16px 0 6px;
}
#panel p { font-size: 13px; line-height: 1.55; color: #b9c8ea; }
#panel .sat { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
#panel .sat span {
  font-size: 11px; background: rgba(110,168,255,.12);
  border: 1px solid var(--border); border-radius: 12px; padding: 3px 9px;
}

/* ── Feed ───────────────────────────────────────────────────── */
#feed {
  position: fixed; top: 70px; right: 16px; width: 360px; max-height: 40vh;
  z-index: 8; background: var(--panel-bg); backdrop-filter: blur(14px);
  border: 1px solid var(--border); border-radius: 14px; padding: 16px; overflow-y: auto;
}
#feed h2 { font-size: 13px; letter-spacing: 1px; margin-bottom: 10px; }
#feed h2 button { float: right; background: none; border: none; color: var(--dim); font-size: 10px; cursor: pointer; }
.feed-item { display: flex; gap: 10px; padding: 10px 0; border-top: 1px solid rgba(110,168,255,.12); }
.feed-item img { width: 64px; height: 48px; object-fit: cover; border-radius: 6px; flex-shrink: 0; }
.feed-item .fi-placeholder {
  width: 64px; height: 48px; flex-shrink: 0; border-radius: 6px;
  background: rgba(110,168,255,.1); display: flex; align-items: center; justify-content: center;
}
.feed-item a { color: var(--text); font-size: 12px; text-decoration: none; font-weight: 600; }
.feed-item a:hover { color: var(--accent); }
.feed-item p { font-size: 11px; color: var(--dim); line-height: 1.4; margin-top: 3px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.feed-item .src { font-size: 9px; color: var(--accent2); letter-spacing: 1px; text-transform: uppercase; }
#feed-open {
  position: fixed; right: 16px; top: 70px; z-index: 8;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--panel-bg); border: 1px solid var(--border);
  color: var(--text); font-size: 16px; cursor: pointer;
  backdrop-filter: blur(10px);
}
.hidden { display: none !important; }

/* ── Timeline ───────────────────────────────────────────────── */
#timeline {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 10;
  padding: 10px 24px 14px;
  background: linear-gradient(0deg, rgba(4,6,15,.95) 0%, rgba(4,6,15,0) 100%);
}
#timeline-track {
  display: flex; gap: 4px; align-items: flex-end;
  overflow-x: auto; scrollbar-width: thin;
}
.tl-event {
  flex-shrink: 0; cursor: pointer; text-align: center;
  transition: transform .2s;
}
.tl-event:hover { transform: translateY(-4px); }
.tl-event .bar {
  width: 10px; margin: 0 auto; border-radius: 4px 4px 0 0;
  background: var(--accent); opacity: .55;
}
.tl-event.past .bar { background: var(--accent2); }
.tl-event.future .bar { background: #c084fc; }
.tl-event .lbl { font-size: 9px; color: var(--dim); white-space: nowrap; margin-top: 4px; }
.tl-event .tit { font-size: 9px; color: var(--text); white-space: nowrap; }
.tl-event.now .bar { box-shadow: 0 0 12px var(--accent); }

/* ── Tooltip & loading ──────────────────────────────────────── */
#tooltip {
  position: fixed; z-index: 20; pointer-events: none;
  background: rgba(8,12,26,.95); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 10px; font-size: 12px;
}
#loading {
  position: fixed; inset: 0; z-index: 50;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: var(--bg); gap: 16px; transition: opacity .6s;
}
#loading.done { opacity: 0; pointer-events: none; }
.spinner {
  width: 44px; height: 44px; border-radius: 50%;
  border: 3px solid rgba(110,168,255,.15); border-top-color: var(--accent);
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg) } }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-thumb { background: rgba(110,168,255,.3); border-radius: 3px; }

/* ── Spazio live (meteo spaziale) ──────────────────────────── */
#spazio-box { margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid rgba(110,168,255,.15); }
.sw-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
.sw-k { font-size: 9px; color: var(--dim); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 4px; }
.sw-kp { display: flex; align-items: baseline; gap: 8px; }
.sw-kp-val { font-size: 26px; font-weight: 700; color: var(--text); }
.sw-kp-label { font-size: 11px; color: var(--accent2); }
.sw-gauge { height: 6px; border-radius: 3px; background: rgba(110,168,255,.12); margin-top: 6px; overflow: hidden; }
.sw-gauge-fill { height: 100%; width: 0; border-radius: 3px; transition: width .8s ease; }
.sw-gauge-fill.calm { background: linear-gradient(90deg, #4ade80, #22d3ee); }
.sw-gauge-fill.active { background: linear-gradient(90deg, #22d3ee, #fbbf24); }
.sw-gauge-fill.storm { background: linear-gradient(90deg, #fbbf24, #f87171); }
.sw-tbl { width: 100%; font-size: 11px; border-collapse: collapse; }
.sw-tbl th { font-size: 9px; color: var(--dim); text-transform: uppercase; letter-spacing: 1px; text-align: left; padding: 2px 6px 2px 0; }
.sw-tbl td { padding: 2px 6px 2px 0; border-top: 1px solid rgba(110,168,255,.08); }
.sw-sub { font-size: 12px; color: var(--text); }
.sw-upd { font-size: 9px; color: var(--dim); margin-top: 8px; }
.neo-item { padding: 6px 8px; margin-top: 5px; border-radius: 8px; background: rgba(110,168,255,.06); font-size: 12px; }
.neo-item b { display: block; font-size: 12px; }
.neo-item span { font-size: 10px; color: var(--dim); }
.neo-item.phz { border: 1px solid rgba(248,113,113,.4); background: rgba(248,113,113,.08); }

/* ── Didascalia Tour ───────────────────────────────────────── */
#caption {
  position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%);
  width: min(680px, 86vw); z-index: 15;
  background: rgba(6,10,24,.82); backdrop-filter: blur(16px);
  border: 1px solid var(--border); border-radius: 16px;
  padding: 18px 24px; cursor: pointer;
  animation: fadeup .5s ease;
  box-shadow: 0 8px 40px rgba(0,0,0,.5), 0 0 30px rgba(110,168,255,.12);
}
@keyframes fadeup { from { transform: translate(-50%, 20px); opacity: 0 } to { transform: translate(-50%, 0); opacity: 1 } }
#caption h2 { font-size: 20px; letter-spacing: 2px; margin-bottom: 6px; }
#caption p { font-size: 13px; line-height: 1.5; color: #b9c8ea; }
#caption .tour-dots { margin-top: 10px; font-size: 12px; color: var(--accent); letter-spacing: 6px; }
#caption .tour-hint { font-size: 9px; color: var(--dim); margin-top: 6px; letter-spacing: 1px; }

/* ── Galleria NASA ─────────────────────────────────────────── */
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 8px; }
.gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); transition: transform .3s; }
.gallery img:hover { transform: scale(1.04); }