:root {
  --bg-0: #05070f;
  --bg-1: #0a0f1e;
  --card: rgba(17, 24, 42, 0.72);
  --card-brd: rgba(90, 140, 255, 0.22);
  --txt: #e8eefc;
  --txt-dim: #93a1c4;
  --cyan: #38e8ff;
  --blue: #5b8cff;
  --violet: #8b5cf6;
  --danger: #ff5d6c;
  --ok: #37e6a4;
  --radius: 18px;
  --font: "Segoe UI", Roboto, "Helvetica Neue", Arial, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  color: var(--txt);
  background: radial-gradient(1200px 700px at 70% -10%, #10203f 0%, var(--bg-1) 45%, var(--bg-0) 100%);
  overflow: hidden;
}

/* ---------- fundo animado ---------- */
.bg-grid {
  position: fixed; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(90, 140, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 140, 255, 0.06) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 50% 40%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 40%, #000 0%, transparent 78%);
  animation: drift 40s linear infinite;
}
@keyframes drift { to { background-position: 460px 460px; } }

.bg-glow {
  position: fixed; z-index: 0; border-radius: 50%;
  filter: blur(90px); opacity: 0.55; pointer-events: none;
}
.bg-glow--1 { width: 460px; height: 460px; top: -120px; right: -60px;
  background: radial-gradient(circle, var(--blue), transparent 65%);
  animation: float1 14s ease-in-out infinite; }
.bg-glow--2 { width: 420px; height: 420px; bottom: -140px; left: -80px;
  background: radial-gradient(circle, var(--violet), transparent 65%);
  animation: float2 17s ease-in-out infinite; }
@keyframes float1 { 50% { transform: translate(-30px, 40px); } }
@keyframes float2 { 50% { transform: translate(40px, -30px); } }
.bg-vignette { position: fixed; inset: 0; z-index: 0;
  background: radial-gradient(120% 120% at 50% 50%, transparent 55%, rgba(0,0,0,0.55) 100%); }

/* ---------- layout ---------- */
.login-wrap {
  position: relative; z-index: 1;
  min-height: 100%; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 18px; padding: 24px;
}

.card {
  width: 100%; max-width: 400px;
  background: var(--card);
  border: 1px solid var(--card-brd);
  border-radius: var(--radius);
  padding: 34px 30px 26px;
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.7),
              0 0 0 1px rgba(255,255,255,0.03) inset,
              0 0 60px -30px rgba(56, 232, 255, 0.4);
  animation: rise 0.5s cubic-bezier(.2,.7,.2,1) both;
}
@keyframes rise { from { opacity: 0; transform: translateY(14px); } }

/* ---------- brand ---------- */
.brand { display: flex; align-items: center; gap: 12px; justify-content: center; margin-bottom: 22px; }
.brand__emblem { filter: drop-shadow(0 0 10px rgba(56,232,255,0.5)); animation: pulse 3.5s ease-in-out infinite; }
@keyframes pulse { 50% { filter: drop-shadow(0 0 18px rgba(91,140,255,0.8)); } }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name {
  font-size: 24px; font-weight: 800; letter-spacing: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--blue) 60%, var(--violet));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.brand__sub { font-size: 10px; letter-spacing: 3px; color: var(--txt-dim); margin-top: 4px; }

.card__title { text-align: center; font-size: 21px; font-weight: 700; margin: 0 0 6px; }
.card__desc { text-align: center; font-size: 13px; color: var(--txt-dim); margin: 0 0 24px; line-height: 1.5; }

/* ---------- campos ---------- */
.field {
  position: relative; display: flex; align-items: center;
  background: rgba(8, 13, 26, 0.75);
  border: 1px solid rgba(120, 150, 210, 0.16);
  border-radius: 12px; margin-bottom: 14px;
  transition: border-color .2s, box-shadow .2s;
}
.field:focus-within { border-color: rgba(56,232,255,0.6); box-shadow: 0 0 0 3px rgba(56,232,255,0.12); }
.field__icon { display: flex; padding: 0 12px; color: var(--txt-dim); }
.field input {
  flex: 1; background: transparent; border: 0; outline: 0;
  color: var(--txt); font-size: 14.5px; padding: 14px 6px 14px 0;
}
.field input::placeholder { color: #63719a; }
.field__eye { background: transparent; border: 0; color: var(--txt-dim); cursor: pointer; padding: 0 12px; display: flex; }
.field__eye:hover { color: var(--cyan); }

/* ---------- row ---------- */
.row { display: flex; align-items: center; justify-content: space-between; margin: 6px 2px 20px; font-size: 12.5px; }
.check { display: flex; align-items: center; gap: 7px; color: var(--txt-dim); cursor: pointer; user-select: none; }
.check input { accent-color: var(--cyan); width: 15px; height: 15px; }
.link { color: var(--blue); text-decoration: none; }
.link:hover { color: var(--cyan); text-decoration: underline; }

/* ---------- erro ---------- */
.error {
  display: none; font-size: 13px; color: var(--danger);
  background: rgba(255, 93, 108, 0.08); border: 1px solid rgba(255,93,108,0.3);
  border-radius: 10px; padding: 10px 12px; margin-bottom: 14px;
}
.error.show { display: block; animation: shake .35s; }
@keyframes shake { 25%{transform:translateX(-5px)} 75%{transform:translateX(5px)} }

/* ---------- botão ---------- */
.btn {
  width: 100%; border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px; border-radius: 12px;
  font-size: 15px; font-weight: 700; color: #04121e;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  box-shadow: 0 10px 30px -8px rgba(56,232,255,0.6), 0 0 0 1px rgba(255,255,255,0.15) inset;
  transition: transform .12s, box-shadow .2s, filter .2s;
}
.btn:hover { filter: brightness(1.08); box-shadow: 0 14px 40px -8px rgba(56,232,255,0.8); }
.btn:active { transform: translateY(1px) scale(.99); }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn__arrow { transition: transform .2s; }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---------- status ---------- */
.status { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 22px; font-size: 12.5px; color: var(--txt-dim); }
.status__dot { width: 9px; height: 9px; border-radius: 50%; box-shadow: 0 0 8px currentColor; }
.status__dot--wait { color: #b3a15a; background: #b3a15a; animation: blink 1s infinite; }
.status__dot--on { color: var(--ok); background: var(--ok); }
.status__dot--off { color: var(--danger); background: var(--danger); }
@keyframes blink { 50% { opacity: .35; } }

.foot { z-index: 1; font-size: 12px; color: #55618a; margin: 0; }
.foot strong { color: var(--txt-dim); }

@media (max-width: 440px) { .card { padding: 28px 22px 22px; } }