:root {
  --bg: #0b1220;
  --bg-2: #111a2e;
  --card: #152038;
  --border: #22304d;
  --text: #e6edf7;
  --muted: #8b9bb7;
  --primary: #22d3ee;
  --primary-2: #6366f1;
  --danger: #f43f5e;
  --warn: #e0b45a;
  --gold: #f5c451;
  --ok: #22c55e;
  --radius: 16px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); }

[hidden] { display: none !important; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: .7rem 1.1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform .08s, opacity .15s, background .15s;
  color: var(--text);
}
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-lg { padding: .95rem 1.4rem; font-size: 1.1rem; width: 100%; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #06101f; }
.btn-ghost { background: transparent; border-color: var(--border); }
.btn-ghost:hover:not(:disabled) { background: var(--bg-2); }
.btn-danger { background: transparent; border-color: color-mix(in srgb, var(--danger) 60%, transparent); color: var(--danger); }
.btn-danger:hover:not(:disabled) { background: color-mix(in srgb, var(--danger) 12%, transparent); }

kbd {
  font-size: .7rem;
  padding: .1rem .35rem;
  border-radius: 6px;
  background: rgba(0, 0, 0, .2);
  font-family: inherit;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 0;
  background: rgba(11, 18, 32, .7);
  backdrop-filter: blur(6px);
  cursor: pointer;
  font-size: 1rem;
}
.icon-btn.off { background: var(--danger); }

/* ---------- Landing ---------- */
.landing {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  background:
    radial-gradient(60rem 30rem at 10% -10%, rgba(34, 211, 238, .15), transparent),
    radial-gradient(50rem 30rem at 110% 110%, rgba(99, 102, 241, .18), transparent);
}

.landing-card {
  width: 100%;
  max-width: 440px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .35);
}

.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; color: var(--text); }
.brand h1 { margin: 0; font-size: 2rem; letter-spacing: -.02em; }
.brand h1 span, .brand-sm > span > span { color: var(--primary); }
.brand-sm { font-weight: 700; font-size: 1.15rem; gap: .5rem; }

.tagline { color: var(--muted); line-height: 1.5; }

.online { display: inline-flex; align-items: center; gap: .4rem; color: var(--muted); font-size: .95rem; }
.online strong { color: var(--text); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px rgba(34, 197, 94, .2); }

.profile-form { display: grid; gap: 1rem; margin: 1.25rem 0 .5rem; }
.field { display: grid; gap: .45rem; border: 0; padding: 0; margin: 0; min-width: 0; }
.field > span, .field legend { font-weight: 600; font-size: .95rem; padding: 0; }
.field small { color: var(--muted); font-weight: 400; }
.field input[type="text"] {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: .75rem .9rem;
  color: var(--text);
  font: inherit;
}
.field input[type="text"]:focus { outline: 2px solid color-mix(in srgb, var(--primary) 50%, transparent); }

.segmented { display: grid; grid-template-columns: repeat(3, 1fr); gap: .4rem; }
.segmented label { position: relative; cursor: pointer; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 44px;
  padding: .45rem .4rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  font-size: .88rem;
  line-height: 1.2;
  transition: background .15s, border-color .15s;
}
.segmented input:checked + span {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 16%, var(--bg));
  color: #fff;
  font-weight: 600;
}
.segmented input:focus-visible + span { outline: 2px solid var(--primary); }

.topbar-right { display: flex; align-items: center; gap: .75rem; }
.me-chip {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 999px;
  padding: .3rem .75rem;
  font: inherit;
  font-size: .85rem;
  cursor: pointer;
  max-width: 160px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.partner-badge {
  position: absolute;
  left: .75rem;
  top: .75rem;
  z-index: 1;
  padding: .3rem .7rem;
  border-radius: 999px;
  background: rgba(11, 18, 32, .75);
  backdrop-filter: blur(6px);
  font-weight: 600;
  font-size: .9rem;
}

/* ---------- Premium ---------- */
.profile-form.premium-locked .needs-premium span::after { content: " 👑"; }

.premium-box {
  margin: 1rem 0 0;
  padding: .75rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg);
  font-size: .9rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: .4rem .75rem;
  align-items: center;
}
.premium-box strong { color: var(--gold); }

.link-btn {
  background: none;
  border: 0;
  padding: 0;
  color: var(--primary);
  font: inherit;
  cursor: pointer;
  text-decoration: underline;
}

.center { text-align: center; }
.muted { color: var(--muted); }

.premium-dialog { width: min(440px, calc(100% - 2rem)); position: relative; }
.premium-dialog section { display: grid; gap: .9rem; }
.premium-dialog h2 { margin: 0; padding-right: 2.5rem; }
.premium-dialog p { margin: 0; }
.dialog-x { position: absolute; top: 1rem; right: 1rem; }

.plans { display: grid; gap: .5rem; }
.plan { position: relative; cursor: pointer; }
.plan input { position: absolute; opacity: 0; pointer-events: none; }
.plan-body {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg);
}
.plan-body small { display: block; color: var(--muted); }
.plan-price { font-size: 1.2rem; font-weight: 700; }
.plan input:checked + .plan-body { border-color: var(--gold); background: color-mix(in srgb, var(--gold) 8%, var(--bg)); }

.pix-qr {
  display: grid;
  place-items: center;
  min-height: 240px;
  background: #fff;
  border-radius: 16px;
  padding: .75rem;
}
.pix-qr img { width: 100%; max-width: 260px; image-rendering: pixelated; }
.pix-loading { display: grid; justify-items: center; gap: .75rem; color: #475569; font-size: .9rem; }
.pix-copy { display: flex; gap: .5rem; }
.pix-copy input {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: .6rem .75rem;
  color: var(--text);
  font: inherit;
  font-size: .8rem;
}
.waiting { display: flex; align-items: center; justify-content: center; gap: .5rem; color: var(--muted); font-size: .9rem; }

.ban-box {
  margin: 1rem 0 0;
  padding: .85rem 1rem;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--warn) 35%, transparent);
  border-left: 4px solid var(--warn);
  background: color-mix(in srgb, var(--warn) 8%, var(--card));
  line-height: 1.45;
}
.ban-box strong:first-child { color: var(--warn); font-size: 1rem; }
.ban-box p { margin: .35rem 0 0; color: #cbd5e1; font-size: .92rem; }

.ban-bar {
  padding: .55rem 1rem;
  background: color-mix(in srgb, var(--warn) 9%, var(--bg-2));
  border-bottom: 1px solid color-mix(in srgb, var(--warn) 30%, transparent);
  color: #cbd5e1;
  font-size: .9rem;
  text-align: center;
  line-height: 1.4;
}
.ban-bar strong { color: var(--warn); font-weight: 600; }

.chat.is-banned .video.remote,
.chat.is-banned .panel { border-color: color-mix(in srgb, var(--warn) 35%, var(--border)); }

.rules { padding-left: 1.1rem; color: var(--muted); line-height: 1.7; font-size: .95rem; }

.check { display: flex; gap: .6rem; align-items: flex-start; margin: 1.25rem 0; line-height: 1.4; cursor: pointer; }
.check input { margin-top: .2rem; width: 18px; height: 18px; accent-color: var(--primary); }

.error { color: var(--danger); margin: 1rem 0 0; font-size: .95rem; }

.landing-footer { margin-top: 1.5rem; color: var(--muted); font-size: .85rem; }
.landing-footer a { color: var(--muted); }

/* ---------- Chat ---------- */
.chat { height: 100%; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .6rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

.stage {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 1rem;
  padding: 1rem;
}

.videos {
  min-height: 0;
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 1rem;
}

.video {
  position: relative;
  min-height: 0;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.video video { width: 100%; height: 100%; object-fit: cover; display: block; }
.local video { transform: scaleX(-1); }

.local-tools { position: absolute; bottom: .75rem; left: .75rem; display: flex; gap: .5rem; }

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: linear-gradient(160deg, #0f1a30, #070d19);
  color: var(--muted);
  text-align: center;
  padding: 1rem;
}
.overlay p { margin: 0; font-size: 1.05rem; }

.spinner {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  animation: spin .9s linear infinite;
}
.overlay.idle .spinner { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.panel {
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.msg { max-width: 85%; padding: .5rem .75rem; border-radius: 14px; line-height: 1.4; word-wrap: break-word; white-space: pre-wrap; }
.msg.me { align-self: flex-end; background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #06101f; border-bottom-right-radius: 4px; }
.msg.them { align-self: flex-start; background: var(--bg-2); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.msg.system { align-self: center; color: var(--muted); font-size: .85rem; background: none; padding: .25rem; text-align: center; }

.typing { margin: 0; padding: 0 1rem .25rem; color: var(--muted); font-size: .8rem; font-style: italic; }

.chat-form { display: flex; gap: .5rem; padding: .75rem; border-top: 1px solid var(--border); }
.chat-form input {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: .7rem .9rem;
  color: var(--text);
  font: inherit;
}
.chat-form input:focus { outline: 2px solid color-mix(in srgb, var(--primary) 50%, transparent); outline-offset: 0; }

.controls { display: grid; grid-template-columns: 1fr 1.4fr 1fr; gap: .5rem; padding: 0 .75rem .75rem; }

/* ---------- Dialog ---------- */
.dialog {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--card);
  color: var(--text);
  padding: 1.5rem;
  width: min(420px, calc(100% - 2rem));
}
.dialog::backdrop { background: rgba(0, 0, 0, .6); }
.dialog h2 { margin-top: 0; }
.dialog p { color: var(--muted); }
.dialog p.error { color: var(--danger); }
.radio { display: flex; gap: .6rem; padding: .45rem 0; cursor: pointer; }
.radio input { accent-color: var(--danger); }
.dialog-actions { display: flex; justify-content: flex-end; gap: .5rem; margin-top: 1rem; }

/* ---------- Mobile ---------- */
@media (max-width: 900px) {
  .stage { grid-template-columns: 1fr; grid-template-rows: minmax(0, 1.4fr) minmax(0, 1fr); padding: .5rem; gap: .5rem; }
  .videos { display: block; position: relative; }
  .video.remote { height: 100%; }
  .video.local {
    position: absolute;
    right: .6rem;
    top: .6rem;
    width: 28%;
    max-width: 150px;
    aspect-ratio: 3 / 4;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .5);
  }
  .local-tools { bottom: .35rem; left: .35rem; gap: .3rem; }
  .icon-btn { width: 30px; height: 30px; font-size: .8rem; }
  .controls kbd { display: none; }
}

/* ---------- Página de termos ---------- */
.doc { max-width: 760px; margin: 0 auto; padding: 2rem 1.25rem 4rem; line-height: 1.7; }
.doc h1 { letter-spacing: -.02em; }
.doc h2 { margin-top: 2rem; font-size: 1.2rem; }
.doc p, .doc li { color: #c3cee0; }