/* ============================================================
   TXWEB WiFi Portal – Estilos do Captive Portal
   ============================================================ */

:root {
  --txweb-blue:       #0057A8;
  --txweb-blue-dark:  #003E7E;
  --txweb-blue-light: #1A8FE3;
  --txweb-accent:     #FF6B00;
  --txweb-bg:         #F0F4FA;
  --white:            #FFFFFF;
  --text-main:        #1C2B40;
  --text-muted:       #6B7A90;
  --radius:           16px;
  --shadow:           0 8px 32px rgba(0, 87, 168, 0.12);
}

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

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: linear-gradient(135deg, var(--txweb-blue-dark) 0%, var(--txweb-blue-light) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

/* Card central */
.portal-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 460px;
  overflow: hidden;
  animation: slideUp .4s ease;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Header do card */
.portal-header {
  background: linear-gradient(160deg, #003E7E 0%, #0057A8 50%, #1A8FE3 100%);
  padding: 2.25rem 2rem 2rem;
  text-align: center;
  position: relative;
}

.portal-logo {
  font-size: 2.2rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: 2px;
  margin-bottom: .75rem;
}
.portal-logo span { color: #7EC8F8; }

.portal-icon-box {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, #1A8FE3, #0057A8);
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto .9rem;
  box-shadow: 0 4px 16px rgba(0,0,0,.2);
}

.portal-header h1 {
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: .3px;
}

.portal-header p {
  color: rgba(255,255,255,.8);
  font-size: .875rem;
  margin-top: .3rem;
}

/* Corpo do card */
.portal-body { padding: 2rem; }

/* Cabeçalho da tela de boas-vindas */
.welcome-heading {
  text-align: center;
  margin-bottom: 1.5rem;
}
.welcome-heading h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: .5rem;
}
.welcome-divider {
  width: 32px; height: 3px;
  background: linear-gradient(90deg, var(--txweb-blue), var(--txweb-blue-light));
  border-radius: 2px;
  margin: 0 auto;
}

/* Botões de escolha (Tela inicial) */
.choice-btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 1.1rem 1.25rem;
  border: 1.5px solid #E2EBF8;
  border-left: 4px solid var(--txweb-blue);
  border-radius: 12px;
  background: var(--white);
  cursor: pointer;
  transition: all .2s;
  margin-bottom: .75rem;
  text-align: left;
  box-shadow: 0 2px 8px rgba(0,87,168,.06);
}

.choice-btn:hover, .choice-btn:focus {
  border-color: var(--txweb-blue);
  border-left-color: var(--txweb-blue);
  background: #F5F9FF;
  box-shadow: 0 4px 16px rgba(0,87,168,.12);
  outline: none;
  transform: translateY(-1px);
}

.choice-btn .icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  background: #E8F2FF;
}

.choice-text { flex: 1; }
.choice-arrow {
  font-size: 1.5rem;
  color: var(--txweb-blue);
  font-weight: 300;
  line-height: 1;
}

.choice-btn .label    { font-weight: 700; color: var(--text-main); font-size: 1rem; }
.choice-btn .sublabel { font-size: .8rem; color: var(--text-muted); margin-top: .1rem; }

/* Pill de planos */
.plans-pill {
  display: inline-flex;
  align-items: center;
  background: #F0F4FA;
  border-radius: 999px;
  padding: .55rem 1.1rem;
  font-size: .82rem;
  color: var(--txweb-blue);
  font-weight: 600;
  text-decoration: none;
  transition: background .2s;
}
.plans-pill:hover { background: #E2EBF8; }

/* Formulários */
.form-label { font-size: .875rem; font-weight: 500; color: var(--text-main); margin-bottom: .35rem; }

.form-control {
  width: 100%; padding: .7rem 1rem;
  border: 2px solid #DDE6F4; border-radius: 10px;
  font-size: 1rem; color: var(--text-main);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}

.form-control:focus {
  border-color: var(--txweb-blue);
  box-shadow: 0 0 0 3px rgba(0,87,168,.12);
}

.form-group { margin-bottom: 1rem; }

/* Botão primário */
.btn-primary-txweb {
  width: 100%; padding: .85rem;
  background: linear-gradient(135deg, var(--txweb-blue) 0%, var(--txweb-blue-light) 100%);
  color: var(--white); border: none; border-radius: 10px;
  font-size: 1rem; font-weight: 600; cursor: pointer;
  transition: opacity .2s, transform .1s;
  margin-top: .5rem;
}

.btn-primary-txweb:hover  { opacity: .92; }
.btn-primary-txweb:active { transform: scale(.98); }
.btn-primary-txweb:disabled { opacity: .6; cursor: not-allowed; }

/* Botão secundário / voltar */
.btn-back {
  background: none; border: none; color: var(--txweb-blue);
  font-size: .875rem; cursor: pointer; padding: 0;
  display: inline-flex; align-items: center; gap: .35rem;
  margin-bottom: 1.25rem;
}
.btn-back:hover { text-decoration: underline; }

/* Alerta de erro/sucesso */
.alert {
  padding: .85rem 1rem; border-radius: 10px;
  font-size: .875rem; margin-bottom: 1rem; display: none;
}
.alert.error   { background: #FFF0F0; border: 1.5px solid #FFBDBD; color: #C0392B; }
.alert.success { background: #EDFBF3; border: 1.5px solid #B3E6C8; color: #1E7A44; }
.alert.show    { display: block; }

/* Divider */
.divider {
  display: flex; align-items: center; gap: .75rem;
  color: var(--text-muted); font-size: .8rem; margin: 1rem 0;
}
.divider::before, .divider::after {
  content: ''; flex: 1; height: 1px; background: #E2EBF8;
}

/* Checkbox LGPD */
.lgpd-check { display: flex; align-items: flex-start; gap: .6rem; margin-bottom: 1rem; }
.lgpd-check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--txweb-blue); flex-shrink: 0; }
.lgpd-check label { font-size: .82rem; color: var(--text-muted); }
.lgpd-check a { color: var(--txweb-blue); }

/* Tela de sucesso */
.success-screen { text-align: center; padding: 1rem 0; }
.success-icon {
  width: 72px; height: 72px; border-radius: 50%;
  background: linear-gradient(135deg, #27AE60, #2ECC71);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.25rem; font-size: 2rem; color: #fff;
}
.success-screen h2 { color: var(--text-main); font-size: 1.3rem; margin-bottom: .5rem; }
.success-screen p  { color: var(--text-muted); font-size: .9rem; }
.redirect-timer    { font-weight: 700; color: var(--txweb-blue); font-size: 1.5rem; margin: .75rem 0; }

/* Spinner */
.spinner {
  width: 20px; height: 20px;
  border: 3px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
  display: inline-block; vertical-align: middle; margin-right: .5rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Footer */
.portal-footer {
  text-align: center; padding: 1rem;
  font-size: .75rem; color: var(--text-muted);
  border-top: 1px solid #EEF3FB;
}


/* Responsivo */
@media (max-width: 480px) {
  .portal-body { padding: 1.5rem 1.25rem; }
  .portal-header { padding: 1.5rem 1.25rem 1.25rem; }
}