:root {
  --fundo: #04070f;
  --fundo-2: #081224;
  --tinta: #e6f6ff;
  --apagado: #7f97b4;
  --linha: rgba(120, 200, 255, 0.16);
  --vidro: rgba(10, 24, 46, 0.62);
  --ciano: #3be0ff;
  --ambar: #ffb547;
  --vermelho: #ff5d6c;
  --cor: var(--ciano);
  --brilho: #bff6ff;
  --nivel: 0;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: radial-gradient(1200px 800px at 50% 38%, var(--fundo-2), var(--fundo) 70%);
  color: var(--tinta);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  overflow: hidden;
}
[hidden] { display: none !important; }

/* ── entrada ─────────────────────────────────────────────────────────── */
.entrada { position: fixed; inset: 0; display: grid; place-items: center; padding: 16px; }
.cartao-entrada {
  width: min(360px, 100%);
  padding: 28px;
  border: 1px solid var(--linha);
  border-radius: 20px;
  background: var(--vidro);
  backdrop-filter: blur(14px);
  display: grid;
  gap: 14px;
}
.sub { margin: -8px 0 6px; color: var(--apagado); font-size: 13px; }
.erro { min-height: 1.2em; margin: 0; color: var(--vermelho); font-size: 13px; }

.marca { display: flex; align-items: center; gap: 10px; font: 700 18px/1 var(--mono); letter-spacing: 0.32em; }
.ponto { width: 9px; height: 9px; border-radius: 50%; background: var(--cor); box-shadow: 0 0 14px var(--cor); }

.campo { display: grid; gap: 6px; font-size: 13px; color: var(--apagado); }
.campo input, .campo select, .campo textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--linha);
  background: rgba(4, 10, 22, 0.7);
  color: var(--tinta);
  font: inherit;
  outline: none;
}
.campo input:focus, .campo select:focus, .campo textarea:focus { border-color: var(--ciano); }

.botao {
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--linha);
  background: transparent;
  color: var(--tinta);
  font: 600 14px system-ui, sans-serif;
  cursor: pointer;
}
.botao.primario { background: var(--ciano); border-color: var(--ciano); color: #00131c; }

/* ── HUD ─────────────────────────────────────────────────────────────── */
.hud { position: fixed; inset: 0; }
.grade {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.35;
  background-image: linear-gradient(var(--linha) 1px, transparent 1px), linear-gradient(90deg, var(--linha) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 42%, #000 0%, transparent 70%);
}

.topo {
  position: absolute; top: 0; left: 0; right: 0;
  display: flex; align-items: center; gap: 14px;
  padding: max(14px, env(safe-area-inset-top)) 16px 14px;
}
.estado {
  padding: 4px 10px; border-radius: 999px; border: 1px solid var(--linha);
  font: 600 11px/1.4 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--apagado);
}
.estado[data-e="ouvindo"] { color: var(--ciano); border-color: var(--ciano); }
.estado[data-e="falando"] { color: var(--ambar); border-color: var(--ambar); }
.estado[data-e="abrindo"] { color: var(--tinta); }
.estado[data-e="erro"] { color: var(--vermelho); border-color: var(--vermelho); }
.acoes { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.relogio { font: 500 13px var(--mono); color: var(--apagado); margin-right: 6px; }
.icone {
  padding: 7px 12px; border-radius: 10px; border: 1px solid var(--linha);
  background: rgba(8, 18, 36, 0.6); color: var(--tinta); font: 600 12px system-ui, sans-serif; cursor: pointer;
}
.icone[aria-pressed="true"] { border-color: var(--ciano); color: var(--ciano); }

/* ── núcleo ──────────────────────────────────────────────────────────── */
.nucleo {
  position: absolute; left: 50%; top: 42%; transform: translate(-50%, -50%);
  width: min(56vmin, 460px); aspect-ratio: 1; display: grid; place-items: center;
}
.nucleo svg { width: 100%; height: 100%; overflow: visible; }
.nucleo[data-e="falando"] { --cor: var(--ambar); --brilho: #ffe7bf; }
.nucleo[data-e="erro"] { --cor: var(--vermelho); --brilho: #ffd0d5; }
.nucleo[data-e="fechado"] { --cor: #3c5f86; --brilho: #9bb7d6; }
.halo { fill: none; stroke: var(--cor); stroke-opacity: calc(0.08 + var(--nivel) * 0.4); stroke-width: 2; }
.anel circle { fill: none; stroke: var(--cor); stroke-width: 1.4; stroke-opacity: 0.55; }
.a1 circle { stroke-dasharray: 2 10; }
.a2 circle { stroke-dasharray: 60 24 6 24; stroke-opacity: 0.4; }
.a3 circle { stroke-dasharray: 1 6; stroke-width: 3; stroke-opacity: 0.3; }
.anel { transform-origin: 200px 200px; animation: girar 38s linear infinite; }
.a2 { animation-duration: 24s; animation-direction: reverse; }
.a3 { animation-duration: 60s; }
.nucleo[data-e="ouvindo"] .anel, .nucleo[data-e="falando"] .anel { animation-duration: 9s; }
.nucleo[data-e="ouvindo"] .a2, .nucleo[data-e="falando"] .a2 { animation-duration: 6s; }
.nucleo[data-e="abrindo"] .anel { animation-duration: 2.5s; }
@keyframes girar { to { transform: rotate(360deg); } }
.marcas line { stroke: var(--cor); stroke-opacity: 0.5; stroke-width: 2; stroke-linecap: round; }
.centro { transform-origin: 200px 200px; transform: scale(calc(0.86 + var(--nivel) * 0.42)); transition: transform 80ms linear; }
.dica { position: absolute; bottom: -2.2em; margin: 0; color: var(--apagado); font-size: 13px; white-space: nowrap; }

/* ── painéis ─────────────────────────────────────────────────────────── */
.paineis {
  position: absolute; right: 16px; top: 70px; bottom: 120px;
  width: min(360px, calc(100vw - 32px));
  display: flex; flex-direction: column; gap: 12px; overflow: auto; pointer-events: none;
}
.painel {
  pointer-events: auto;
  border: 1px solid var(--linha); border-radius: 18px; background: var(--vidro); backdrop-filter: blur(12px);
  padding: 16px; animation: entrar 260ms ease-out both;
}
@keyframes entrar { from { opacity: 0; transform: translateX(24px); } }
.painel h3 { margin: 0 0 12px; font: 700 12px var(--mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--ciano); display: flex; justify-content: space-between; }
.painel h3 button { all: unset; cursor: pointer; color: var(--apagado); font-size: 14px; }
.medida { display: grid; gap: 4px; margin-bottom: 12px; font-size: 13px; }
.medida .rotulo { display: flex; justify-content: space-between; color: var(--apagado); }
.medida .rotulo b { color: var(--tinta); font: 600 13px var(--mono); }
.barra { height: 6px; border-radius: 999px; background: rgba(120, 200, 255, 0.12); overflow: hidden; }
.barra i { display: block; height: 100%; width: 0; background: var(--ciano); border-radius: inherit; transition: width 500ms ease; }
.barra i.alto { background: var(--ambar); }
.barra i.critico { background: var(--vermelho); }
.lista { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: 14px; }
.lista li { display: flex; gap: 10px; align-items: baseline; }
.lista .n { font: 600 12px var(--mono); color: var(--ciano); min-width: 2.2em; }
.lista .feita { text-decoration: line-through; color: var(--apagado); }
.lista small { color: var(--apagado); display: block; font-size: 11px; }
.vazio { color: var(--apagado); font-size: 13px; margin: 0; }
.relogio-grande { font: 200 54px/1 var(--mono); letter-spacing: 0.04em; }
.relogio-grande + p { margin: 8px 0 0; color: var(--apagado); text-transform: capitalize; }

/* ── conversa ────────────────────────────────────────────────────────── */
.conversa {
  position: absolute; left: 50%; bottom: 108px; transform: translateX(-50%);
  width: min(720px, calc(100vw - 32px)); max-height: 30vh; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end; gap: 8px;
  mask-image: linear-gradient(transparent, #000 30%);
}
.fala { max-width: 85%; padding: 8px 12px; border-radius: 14px; font-size: 15px; line-height: 1.4; }
.fala.pessoa { align-self: flex-end; background: rgba(59, 224, 255, 0.12); border: 1px solid rgba(59, 224, 255, 0.28); }
.fala.fly { align-self: flex-start; background: rgba(255, 181, 71, 0.08); border: 1px solid rgba(255, 181, 71, 0.22); }
.fala.sistema { align-self: center; color: var(--apagado); font-size: 12px; font-family: var(--mono); }

.base { position: absolute; left: 0; right: 0; bottom: 0; display: grid; place-items: center; padding: 18px 16px max(22px, env(safe-area-inset-bottom)); }
.ativar {
  min-width: 180px; padding: 15px 28px; border-radius: 999px;
  border: 1px solid var(--ciano); background: rgba(59, 224, 255, 0.12); color: var(--ciano);
  font: 700 14px var(--mono); letter-spacing: 0.24em; text-transform: uppercase; cursor: pointer;
  box-shadow: 0 0 28px rgba(59, 224, 255, 0.22);
}
.ativar.ligado { border-color: var(--vermelho); color: var(--vermelho); background: rgba(255, 93, 108, 0.1); box-shadow: 0 0 28px rgba(255, 93, 108, 0.2); }
.ativar:disabled { opacity: 0.5; cursor: wait; }

/* ── câmera e cursor de gesto ────────────────────────────────────────── */
.camera {
  position: absolute; left: 16px; bottom: 100px; width: 200px; aspect-ratio: 4 / 3;
  border-radius: 16px; overflow: hidden; border: 1px solid var(--linha); background: #000;
}
.camera video, .camera canvas { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); }
.camera-rotulo { position: absolute; left: 8px; bottom: 6px; font: 600 11px var(--mono); color: var(--ciano); text-shadow: 0 1px 4px #000; }
.cursor {
  position: fixed; width: 22px; height: 22px; margin: -11px 0 0 -11px; border-radius: 50%;
  border: 2px solid var(--ciano); box-shadow: 0 0 16px var(--ciano); pointer-events: none; z-index: 50;
  transition: transform 80ms ease;
}
.cursor.pinca { transform: scale(0.6); background: var(--ciano); }

.dialogo { border: 1px solid var(--linha); border-radius: 20px; background: #07101f; color: var(--tinta); padding: 22px; width: min(440px, calc(100vw - 32px)); }
.dialogo::backdrop { background: rgba(0, 0, 0, 0.6); }
.dialogo form { display: grid; gap: 14px; }
.dialogo h2 { margin: 0; font: 700 14px var(--mono); letter-spacing: 0.2em; text-transform: uppercase; }
.nota { margin: 0; color: var(--apagado); font-size: 12px; }
.grupo { border: 1px solid var(--linha); border-radius: 14px; padding: 12px; display: grid; gap: 10px; margin: 0; }
.grupo legend { padding: 0 6px; font: 700 11px var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ciano); }
.quem { font: 500 12px system-ui, sans-serif; color: var(--apagado); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 30vw; }
.linha { display: flex; justify-content: flex-end; gap: 10px; }

@media (max-width: 640px) {
  .nucleo { top: 34%; width: 72vmin; }
  .paineis { top: auto; bottom: 230px; left: 16px; right: 16px; width: auto; max-height: 34vh; }
  .conversa { bottom: 96px; max-height: 22vh; }
  .camera { width: 120px; bottom: 96px; }
  .relogio { display: none; }
  .topo { gap: 8px; padding-left: 12px; padding-right: 12px; }
  .topo .marca { letter-spacing: 0.16em; font-size: 16px; }
  .acoes { gap: 6px; }
  .icone { padding: 6px 9px; font-size: 11px; }
  .estado { padding: 3px 8px; font-size: 10px; letter-spacing: 0.08em; }
  .quem { display: none; }
}
@media (prefers-reduced-motion: reduce) { .anel { animation: none; } }