:root {
  color-scheme: dark;
  --bg: #04100d;
  --card: rgba(10, 36, 29, .78);
  --line: rgba(163, 234, 210, .15);
  --text: #f2fbf7;
  --muted: #97b8ad;
  --mint: #54e0b1;
  --aqua: #55bfe2;
  --danger: #ff7d76;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 50% -10%, #174b3e, var(--bg) 48%); color: var(--text); font: 16px/1.45 Inter, ui-sans-serif, system-ui, sans-serif; }
main { width: min(760px, 100%); margin: 0 auto; padding: max(24px, env(safe-area-inset-top)) 18px max(24px, env(safe-area-inset-bottom)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 24px; box-shadow: 0 24px 80px rgba(0,0,0,.32); backdrop-filter: blur(20px); }
.hidden { display: none !important; }
.login-card { max-width: 430px; margin: 12vh auto 0; padding: 34px; }
.mark { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 18px; background: linear-gradient(145deg, var(--mint), var(--aqua)); color: #032219; font-size: 28px; font-weight: 800; }
h1 { margin: 8px 0; letter-spacing: -.04em; }
label, .eyebrow { display: block; margin: 22px 0 7px; color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
input { width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 15px 16px; background: rgba(0,0,0,.22); color: var(--text); font: inherit; outline: none; }
input:focus { border-color: var(--mint); box-shadow: 0 0 0 3px rgba(84,224,177,.12); }
button { border: 0; border-radius: 14px; padding: 13px 18px; color: var(--text); background: rgba(255,255,255,.09); font: inherit; font-weight: 700; cursor: pointer; }
button:disabled { opacity: .38; cursor: not-allowed; }
.primary, .send { width: 100%; margin-top: 14px; background: var(--mint); color: #032219; }
.error { color: var(--danger); min-height: 24px; }
header { display: flex; align-items: center; justify-content: space-between; padding: 4px 2px 18px; }
header .eyebrow { margin: 0; }
.presence { text-align: center; padding: 36px 20px 28px; }
.orb { position: relative; width: 150px; height: 150px; padding: 0; border-radius: 50%; background: transparent; }
.orb-core { position: absolute; inset: 20px; display: grid; place-items: center; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #b9ffe8, var(--mint) 35%, #168e75 80%); color: #032219; font-size: 52px; font-weight: 800; box-shadow: 0 0 45px rgba(84,224,177,.35); z-index: 2; }
.orb-ring { position: absolute; inset: 4px; border: 2px solid rgba(84,224,177,.34); border-radius: 50%; }
.app-shell[data-status*="hört"] .orb-ring, .app-shell[data-status*="spricht"] .orb-ring { animation: pulse 1.2s ease-out infinite; }
@keyframes pulse { 0% { transform: scale(.92); opacity: 1; } 100% { transform: scale(1.15); opacity: 0; } }
.presence h2 { margin: 12px 0 2px; }
.presence p { margin: 0; color: var(--muted); }
.state-reference { margin: 18px 0 0; color: rgba(151,184,173,.55); font-size: 12px; }
.controls { display: flex; justify-content: center; gap: 10px; margin-top: 20px; }
.danger { color: var(--danger); }
.conversation { min-height: 220px; max-height: 42vh; margin-top: 16px; padding: 18px; overflow: auto; }
.message { max-width: 88%; margin: 10px 0; padding: 12px 14px; border-radius: 16px; background: rgba(255,255,255,.06); white-space: pre-wrap; }
.message.user { margin-left: auto; background: rgba(84,224,177,.14); }
.message strong { display: block; margin-bottom: 4px; color: var(--mint); font-size: 12px; text-transform: uppercase; }
.transcript { min-height: 26px; margin-top: 12px; color: var(--muted); font-style: italic; }
.text-row { display: grid; grid-template-columns: 1fr auto; gap: 9px; margin-top: 14px; }
.text-row .send { width: auto; margin: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
@media (max-width: 520px) { main { padding-left: 12px; padding-right: 12px; } .presence { padding-top: 26px; } .orb { width: 132px; height: 132px; } .conversation { max-height: 38vh; } }