*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-deep: #050b18;
  --bg-card: rgba(10, 20, 45, 0.85);
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.35);
  --accent-dark: #1d4ed8;
  --text: #e2e8f0;
  --text-muted: #64748b;
  --border: rgba(59, 130, 246, 0.18);
  --input-bg: rgba(255, 255, 255, 0.04);
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
}

html,
body {
  height: 100%;
  font-family: 'Inter', sans-serif;
  background: var(--bg-deep);
  color: var(--text);
  overflow: hidden;
}

.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(59, 130, 246, .12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 80%, rgba(99, 102, 241, .10) 0%, transparent 60%),
    radial-gradient(ellipse 100% 100% at 50% 50%, #050b18 0%, #0a0f1e 100%);
}

.grid-lines {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(59, 130, 246, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, .04) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: grid-drift 20s linear infinite;
}

@keyframes grid-drift {
  to {
    background-position: 40px 40px;
  }
}

.particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  animation: float-up linear infinite;
}

@keyframes float-up {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }

  10% {
    opacity: .6;
  }

  90% {
    opacity: .2;
  }

  100% {
    transform: translateY(-10vh) scale(1.5);
    opacity: 0;
  }
}

.page-center {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
}

/* ── Card principal ─── */
.card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  backdrop-filter: blur(24px);
  box-shadow:
    0 0 0 1px rgba(59, 130, 246, .08),
    0 25px 60px rgba(0, 0, 0, .55),
    0 0 80px var(--accent-glow);
  animation: card-in .5s ease both;
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(24px) scale(.97);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ── Header ─── */
.card-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.brand-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1rem;
}

.brand-icon img {
  max-width: 240px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.5));
}

.card-header h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -.02em;
}

.card-header p {
  font-size: .8rem;
  color: var(--text-muted);
  margin-top: .3rem;
}

/* ── Step: verificando IP ─── */
#step-verificando {
  text-align: center;
  padding: 1.5rem 0;
}

.spinner-ip {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 3px solid rgba(59, 130, 246, .2);
  border-top-color: var(--accent);
  animation: spin 1s linear infinite;
  margin: 0 auto 1.25rem;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

#step-verificando .check-title {
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: .4rem;
}

#step-verificando .check-sub {
  font-size: .78rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.ip-scanning {
  display: inline-block;
  font-family: monospace;
  font-size: .8rem;
  color: var(--accent);
  background: rgba(59, 130, 246, .08);
  border: 1px solid rgba(59, 130, 246, .2);
  padding: .25rem .7rem;
  border-radius: 6px;
  margin-top: .6rem;
  min-width: 140px;
  animation: blink-border 1.2s ease-in-out infinite;
}

@keyframes blink-border {

  0%,
  100% {
    border-color: rgba(59, 130, 246, .2);
  }

  50% {
    border-color: rgba(59, 130, 246, .6);
  }
}

/* ── Step: IP bloqueado ─── */
#step-bloqueado {
  display: none;
  text-align: center;
  padding: 1rem 0;
}

.blocked-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(239, 68, 68, .12);
  border: 2px solid rgba(239, 68, 68, .3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 1.25rem;
  animation: pulse-red 2s ease-in-out infinite;
}

@keyframes pulse-red {

  0%,
  100% {
    box-shadow: 0 0 20px rgba(239, 68, 68, .2);
  }

  50% {
    box-shadow: 0 0 40px rgba(239, 68, 68, .5);
  }
}

.blocked-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fca5a5;
  margin-bottom: .5rem;
}

.blocked-desc {
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.ip-badge-blocked {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(239, 68, 68, .1);
  border: 1px solid rgba(239, 68, 68, .25);
  color: #fca5a5;
  font-size: .78rem;
  font-family: monospace;
  padding: .35rem .9rem;
  border-radius: 8px;
}

/* ── Step: formulário de login ─── */
#step-login {
  display: none;
}

/* Badge IP autorizado */
.ip-ok-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(16, 185, 129, .1);
  border: 1px solid rgba(16, 185, 129, .25);
  color: #34d399;
  font-size: .72rem;
  font-weight: 500;
  padding: .28rem .8rem;
  border-radius: 100px;
  margin-bottom: 1.25rem;
  animation: badge-in .4s ease both;
}

@keyframes badge-in {
  from {
    opacity: 0;
    transform: scale(.9);
  }
}

/* Alerts flash */
.alerts {
  margin-bottom: 1.25rem;
}

.alert {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  padding: .75rem 1rem;
  border-radius: 10px;
  font-size: .82rem;
  margin-bottom: .5rem;
  animation: alert-in .3s ease both;
}

@keyframes alert-in {
  from {
    opacity: 0;
    transform: translateX(-8px);
  }
}

.alert-danger {
  background: rgba(239, 68, 68, .12);
  border: 1px solid rgba(239, 68, 68, .3);
  color: #fca5a5;
}

.alert-warning {
  background: rgba(245, 158, 11, .12);
  border: 1px solid rgba(245, 158, 11, .3);
  color: #fcd34d;
}

.alert-success {
  background: rgba(16, 185, 129, .12);
  border: 1px solid rgba(16, 185, 129, .3);
  color: #6ee7b7;
}

.alert-info {
  background: rgba(59, 130, 246, .12);
  border: 1px solid rgba(59, 130, 246, .3);
  color: #93c5fd;
}

/* Campos */
.field {
  margin-bottom: 1.15rem;
}

.field label {
  display: block;
  font-size: .78rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: .4rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.input-wrap {
  position: relative;
}

.input-wrap .input-icon {
  position: absolute;
  left: .9rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  color: var(--text-muted);
  pointer-events: none;
}

.field input {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .7rem 1rem .7rem 2.6rem;
  color: var(--text);
  font-size: .92rem;
  font-family: 'Inter', sans-serif;
  transition: border-color .2s, box-shadow .2s, background .2s;
  outline: none;
}

.field input::placeholder {
  color: var(--text-muted);
}

.field input:focus {
  border-color: var(--accent);
  background: rgba(59, 130, 246, .06);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.toggle-pw {
  position: absolute;
  right: .9rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 1rem;
  transition: color .2s;
}

.toggle-pw:hover {
  color: var(--accent);
}

/* reCAPTCHA */
.recaptcha-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 1.25rem;
}

/* Botão */
.btn-login {
  width: 100%;
  padding: .8rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: .95rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-login:active {
  transform: translateY(0);
}

.btn-login .spinner-b {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, .3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
  margin: 0 auto;
}

.btn-login.loading .spinner-b {
  display: block;
}

.btn-login.loading .btn-text {
  display: none;
}

/* Footer */
.card-footer {
  margin-top: 1.5rem;
  text-align: center;
  font-size: .72rem;
  color: var(--text-muted);
}

.card-footer .sep {
  margin: 0 .4rem;
}