:root {
  --bg: #020812;
  --panel: rgba(9, 23, 38, .86);
  --panel-2: rgba(3, 14, 26, .94);
  --line: rgba(0, 229, 255, .28);
  --cyan: #00e5ff;
  --green: #00ff88;
  --yellow: #ffe66d;
  --text: #e9fbff;
  --muted: #8fb3c1;
  --danger: #ff4d6d;
  --input-bg: rgba(0, 0, 0, .38);
  --input-border: rgba(0, 229, 255, .35);
  --button-bg: linear-gradient(135deg, #00e5ff, #00ff88);
  --button-text: #001018;
  --button-border: rgba(255, 255, 255, .18);
  --font: Inter, Segoe UI, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(circle at 15% 20%, rgba(0, 229, 255, .16), transparent 34%),
    radial-gradient(circle at 80% 15%, rgba(0, 255, 136, .10), transparent 28%),
    linear-gradient(145deg, #00040a 0%, var(--bg) 58%, #01121c 100%);
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, .04) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 92%);
  pointer-events: none;
}
.wrap {
  width: min(960px, 94vw);
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  place-items: center;
  padding: 26px 0;
}
.card {
  width: min(460px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 0 60px rgba(0, 229, 255, .16), inset 0 0 0 1px rgba(255,255,255,.04);
  padding: 26px;
  backdrop-filter: blur(12px);
}
.logo-box { text-align: center; margin-bottom: 16px; }
.logo {
  max-width: 220px;
  max-height: 92px;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(0, 229, 255, .35));
}
.brand-title {
  margin: 8px 0 4px;
  font-size: clamp(24px, 5vw, 34px);
  letter-spacing: .06em;
  text-align: center;
  text-transform: uppercase;
}
.brand-subtitle { margin: 0 0 18px; text-align: center; color: var(--muted); }
.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 14px;
}
.tab-btn {
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, .18);
  color: var(--muted);
  border-radius: 14px;
  padding: 11px;
  font-weight: 700;
  cursor: pointer;
}
.tab-btn.active { color: var(--cyan); background: rgba(0, 229, 255, .10); }
.panel { display: none; }
.panel.active { display: block; }
.field { margin-bottom: 12px; }
label { display: block; color: var(--muted); font-size: 13px; margin: 0 0 6px 2px; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--input-border);
  border-radius: 14px;
  background: var(--input-bg);
  color: var(--text);
  outline: none;
  padding: 13px 14px;
  font-size: 15px;
}
input:focus, select:focus, textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0, 229, 255, .12); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.btn {
  width: 100%;
  border: 1px solid var(--button-border);
  border-radius: 16px;
  padding: 13px 18px;
  color: var(--button-text);
  background: var(--button-bg);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .06em;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0, 229, 255, .18);
}
.hint { color: var(--muted); font-size: 12px; line-height: 1.5; }
.footer-status {
  margin-top: 18px;
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}
.status-chip {
  border: 1px solid rgba(0, 229, 255, .18);
  border-radius: 14px;
  padding: 9px 10px;
  background: rgba(0,0,0,.2);
}
.status-chip b { color: var(--green); }
.alert {
  border: 1px solid rgba(255, 77, 109, .35);
  background: rgba(255, 77, 109, .1);
  color: #ffd6de;
  padding: 12px;
  border-radius: 14px;
  margin-bottom: 12px;
}
.ok {
  border: 1px solid rgba(0, 255, 136, .32);
  background: rgba(0, 255, 136, .08);
  color: #d7ffec;
  padding: 12px;
  border-radius: 14px;
  margin-bottom: 12px;
}
@media (max-width: 540px) {
  .card { padding: 20px; border-radius: 20px; }
  .grid-2 { grid-template-columns: 1fr; }
  .tabs { grid-template-columns: 1fr; }
}

/* Temas selecionáveis no painel */
body.theme-neon-cyan {
  --bg: #020812;
  --line: rgba(0, 229, 255, .28);
  --cyan: #00e5ff;
  --green: #00ff88;
  --input-border: rgba(0, 229, 255, .35);
  --button-bg: linear-gradient(135deg, #00e5ff, #00ff88);
}
body.theme-matrix-green {
  --bg: #020d08;
  --line: rgba(0, 255, 136, .30);
  --cyan: #00ff88;
  --green: #9cff4f;
  --input-border: rgba(0, 255, 136, .38);
  --button-bg: linear-gradient(135deg, #00ff88, #9cff4f);
}
body.theme-laser-purple {
  --bg: #080316;
  --line: rgba(168, 85, 247, .34);
  --cyan: #c084fc;
  --green: #22d3ee;
  --input-border: rgba(192, 132, 252, .40);
  --button-bg: linear-gradient(135deg, #a855f7, #22d3ee);
}
body.theme-fire-orange {
  --bg: #140704;
  --line: rgba(255, 122, 24, .34);
  --cyan: #ffb703;
  --green: #ff7a18;
  --input-border: rgba(255, 183, 3, .38);
  --button-bg: linear-gradient(135deg, #ffb703, #ff7a18);
}
body.theme-ocean-blue {
  --bg: #031020;
  --line: rgba(56, 189, 248, .34);
  --cyan: #38bdf8;
  --green: #2dd4bf;
  --input-border: rgba(56, 189, 248, .38);
  --button-bg: linear-gradient(135deg, #38bdf8, #2dd4bf);
}
body.theme-ruby-red {
  --bg: #16030a;
  --line: rgba(244, 63, 94, .34);
  --cyan: #fb7185;
  --green: #facc15;
  --input-border: rgba(251, 113, 133, .40);
  --button-bg: linear-gradient(135deg, #f43f5e, #facc15);
}

body.theme-matrix-green { background: radial-gradient(circle at 15% 20%, rgba(0,255,136,.18), transparent 34%), radial-gradient(circle at 80% 15%, rgba(156,255,79,.12), transparent 28%), linear-gradient(145deg, #000704 0%, var(--bg) 58%, #00140b 100%); }
body.theme-laser-purple { background: radial-gradient(circle at 15% 20%, rgba(168,85,247,.20), transparent 34%), radial-gradient(circle at 80% 15%, rgba(34,211,238,.12), transparent 28%), linear-gradient(145deg, #030008 0%, var(--bg) 58%, #100321 100%); }
body.theme-fire-orange { background: radial-gradient(circle at 15% 20%, rgba(255,183,3,.18), transparent 34%), radial-gradient(circle at 80% 15%, rgba(255,122,24,.14), transparent 28%), linear-gradient(145deg, #080100 0%, var(--bg) 58%, #1c0901 100%); }
body.theme-ocean-blue { background: radial-gradient(circle at 15% 20%, rgba(56,189,248,.18), transparent 34%), radial-gradient(circle at 80% 15%, rgba(45,212,191,.12), transparent 28%), linear-gradient(145deg, #000711 0%, var(--bg) 58%, #011827 100%); }
body.theme-ruby-red { background: radial-gradient(circle at 15% 20%, rgba(244,63,94,.18), transparent 34%), radial-gradient(circle at 80% 15%, rgba(250,204,21,.12), transparent 28%), linear-gradient(145deg, #090004 0%, var(--bg) 58%, #21030b 100%); }