:root {
  /* Zürich-Palette: Nachtblau + Weiss + Azur */
  --bg: #0a1120;
  --bg2: #101c33;
  --blue: #3b9dff;
  --blue2: #7cc4ff;
  --cream: #eef4fb;
  --red: #e05252;
  --green: #4caf50;
  /* Legacy-Aliase (alte Seiten referenzieren gold) */
  --gold: #3b9dff;
  --gold2: #7cc4ff;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0; padding: 0; height: 100%; overflow: hidden;
  background: var(--bg); color: var(--cream);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  user-select: none; -webkit-user-select: none; touch-action: manipulation;
}
.screen {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 18px; padding: 24px; text-align: center;
  background: radial-gradient(120% 90% at 50% 0%, var(--bg2), var(--bg));
  padding-top: max(24px, env(safe-area-inset-top));
  padding-bottom: max(24px, env(safe-area-inset-bottom));
  overflow-y: auto;
}
.hidden { display: none !important; }
.logo {
  width: 110px; height: 110px; border-radius: 50%;
  background: linear-gradient(145deg, #16294a, #0d1a30);
  border: 2px solid #2a4d80;
  display: flex; align-items: center; justify-content: center;
  font-size: 40px; font-weight: 900; color: var(--blue2);
  box-shadow: 0 8px 30px rgba(0,0,0,.5);
  overflow: hidden;
}
.logo img { width: 100%; height: 100%; object-fit: cover; }
h1 { margin: 0; font-size: 30px; letter-spacing: .5px; color: var(--cream); }
.sub { margin: -6px 0 4px; font-size: 13px; opacity: .65; letter-spacing: 3px; text-transform: uppercase; color: var(--blue2); }
p.lead { margin: 0; max-width: 330px; font-size: 15px; line-height: 1.55; opacity: .85; }
.btn {
  padding: 15px 36px; border-radius: 14px; border: none; cursor: pointer;
  font-size: 17px; font-weight: 800; letter-spacing: .3px;
  background: linear-gradient(145deg, #4aa4ff, #2b7fe0); color: #fff;
  box-shadow: 0 6px 18px rgba(59,157,255,.30); transition: transform .08s;
}
.btn:active { transform: scale(.95); }
.btn[disabled] { opacity: .4; pointer-events: none; }
.btn.ghost { background: transparent; color: var(--cream); box-shadow: none; border: 1.5px solid #2a4d80; }
.members { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; max-width: 340px; }
.member {
  padding: 12px 16px; border-radius: 12px; font-size: 16px; font-weight: 700;
  background: #13203a; color: var(--cream); border: 2px solid transparent; cursor: pointer;
  transition: transform .08s, border-color .15s;
}
.member:active { transform: scale(.94); }
.member.active { border-color: var(--blue); background: #16294a; color: var(--blue2); }
.mute {
  position: absolute; top: max(12px, env(safe-area-inset-top)); right: 14px; z-index: 20;
  width: 42px; height: 42px; border-radius: 50%; border: 1.5px solid #2a4d80;
  background: rgba(10,17,32,.65); color: var(--cream); font-size: 18px; cursor: pointer;
}
.back {
  position: absolute; top: max(14px, env(safe-area-inset-top)); left: 14px; z-index: 20;
  color: var(--cream); opacity: .75; text-decoration: none; font-size: 15px;
  background: rgba(10,17,32,.65); padding: 8px 12px; border-radius: 12px; border: 1.5px solid #2a4d80;
}