/* SAI Auth Real · Estilo Consulta fino v1 */

:root {
  --sai-bg: #F6F8FC;
  --sai-card: #FFFFFF;
  --sai-soft: #F1F5FA;
  --sai-blue: #3B82F6;
  --sai-blue-hover: #2563EB;
  --sai-blue-text: #1D4ED8;
  --sai-text: #2F3A4F;
  --sai-secondary: #5F6F8A;
  --sai-muted: #6B7280;
  --sai-border: #E1E7F0;
  --sai-border-focus: #BBD3FF;
  --sai-danger-bg: #FEE2E2;
  --sai-danger: #B91C1C;
  --sai-ok-bg: #DCFCE7;
  --sai-ok: #166534;
  --sai-warn-bg: #FEF3C7;
  --sai-warn: #92400E;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--sai-bg);
  color: var(--sai-text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.sai-auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px;
}

.sai-auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--sai-card);
  border: 1px solid var(--sai-border);
  border-radius: 24px;
  box-shadow: 0 24px 64px rgba(47, 58, 79, 0.10);
  padding: 30px 32px;
}

.sai-brand {
  margin-bottom: 24px;
}

.sai-brand-title {
  margin: 0 0 16px;
  color: #2D3138;
  font-size: 34px;
  line-height: 40px;
  font-weight: 400;
  letter-spacing: -0.035em;
}

.sai-brand-subtitle {
  margin: 0;
  color: #6B7280;
  font-size: 16px;
  line-height: 25px;
  font-weight: 400;
}

.sai-auth-title {
  margin: 0 0 7px;
  color: var(--sai-text);
  font-size: 22px;
  line-height: 29px;
  font-weight: 600;
}

.sai-auth-help {
  margin: 0 0 16px;
  color: var(--sai-secondary);
  font-size: 15px;
  line-height: 23px;
  font-weight: 400;
}

.sai-form {
  display: grid;
  gap: 13px;
}

.sai-field {
  display: grid;
  gap: 6px;
}

.sai-label {
  color: var(--sai-secondary);
  font-size: 14px;
  line-height: 20px;
  font-weight: 500;
}

.sai-input {
  width: 100%;
  min-height: 46px;
  border: 1px solid #DDE3EC;
  border-radius: 17px;
  padding: 10px 14px;
  font-size: 15px;
  line-height: 23px;
  color: var(--sai-text);
  background: #FFFFFF;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.sai-input::placeholder {
  color: #717783;
}

.sai-input:focus {
  border-color: var(--sai-border-focus);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.08);
}

.sai-button {
  width: 100%;
  min-height: 48px;
  border: 0;
  border-radius: 17px;
  padding: 12px 17px;
  background: var(--sai-blue);
  color: #FFFFFF;
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.08s ease;
}

.sai-button:hover { background: var(--sai-blue-hover); }
.sai-button:active { transform: translateY(1px); }

.sai-button.secondary {
  background: var(--sai-soft);
  color: var(--sai-text);
  border: 1px solid var(--sai-border);
}

.sai-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 2px;
}

.sai-link {
  border: 0;
  background: transparent;
  color: var(--sai-blue-text);
  padding: 0;
  font-size: 15px;
  line-height: 22px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.sai-link:hover { text-decoration: underline; }

.sai-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--sai-secondary);
  font-size: 14px;
  line-height: 20px;
}

.sai-check input { margin-top: 3px; }

.sai-status {
  display: none;
  margin-top: 16px;
  border-radius: 15px;
  padding: 12px 14px;
  font-size: 14px;
  line-height: 21px;
  color: var(--sai-text);
  background: #EAF2FF;
}

.sai-status.show { display: block; }
.sai-status.ok { background: var(--sai-ok-bg); color: var(--sai-ok); }
.sai-status.error { background: var(--sai-danger-bg); color: var(--sai-danger); }
.sai-status.warn { background: var(--sai-warn-bg); color: var(--sai-warn); }

.sai-small-note {
  margin-top: 14px;
  color: var(--sai-muted);
  font-size: 13px;
  line-height: 19px;
  text-align: center;
}

.sai-debug {
  display: none;
  margin-top: 16px;
}

.sai-debug.open { display: block; }

.sai-debug pre {
  margin: 0;
  max-height: 240px;
  overflow: auto;
  border-radius: 15px;
  background: #0F172A;
  color: #DDEAFE;
  padding: 14px;
  font-size: 12px;
  line-height: 18px;
}

@media (max-width: 620px) {
  .sai-auth-page {
    align-items: center;
    padding: 18px;
  }

  .sai-auth-card {
    max-width: 420px;
    padding: 28px 26px;
    border-radius: 22px;
  }

  .sai-brand-title {
    font-size: 37px;
    line-height: 43px;
  }

  .sai-brand-subtitle {
    font-size: 19px;
    line-height: 29px;
  }

  .sai-row {
    display: grid;
    justify-content: stretch;
    gap: 10px;
  }

  .sai-link {
    text-align: center;
  }
}


/* Password eye toggle */
.sai-password-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.sai-password-wrap .sai-input {
  padding-right: 52px;
}

.sai-password-toggle {
  position: absolute;
  right: 12px;
  width: 34px;
  height: 34px;
  border: 1px solid var(--sai-border);
  border-radius: 12px;
  background: #FFFFFF;
  color: var(--sai-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
}

.sai-password-toggle:hover {
  background: var(--sai-soft);
  color: var(--sai-text);
}


/* 54B-2H-9-3 · Registro con país y plan */
.sai-password-rule {
  display: block;
  margin-top: 7px;
  color: var(--sai-muted);
  font-size: 12px;
  line-height: 17px;
}

.sai-register-plan-section {
  display: grid;
  gap: 9px;
}

.sai-register-plans {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.sai-register-plan-card {
  display: grid;
  gap: 7px;
  border: 1px solid var(--sai-border);
  border-radius: 18px;
  background: #FFFFFF;
  padding: 13px;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(55, 66, 88, 0.05);
}

.sai-register-plan-card.selected {
  border-color: #BBD3FF;
  background: linear-gradient(180deg, #FFFFFF 0%, #F7FAFF 100%);
}

.sai-register-plan-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.sai-register-plan-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
}

.sai-register-plan-head strong {
  color: var(--sai-text);
  font-size: 15px;
  line-height: 19px;
  font-weight: 650;
}

.sai-register-plan-head small {
  color: var(--sai-secondary);
  font-size: 12px;
  line-height: 17px;
  white-space: nowrap;
}

.sai-register-plan-desc,
.sai-register-plan-note {
  color: var(--sai-secondary);
  font-size: 12px;
  line-height: 18px;
}

.sai-register-plan-features {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.sai-register-plan-features span {
  border: 1px solid var(--sai-border);
  border-radius: 999px;
  background: var(--sai-soft);
  color: var(--sai-secondary);
  font-size: 11px;
  line-height: 15px;
  padding: 4px 7px;
}

.sai-register-plan-features span.more {
  background: #F6F8FC;
  color: var(--sai-muted);
}

.sai-register-plan-empty {
  border: 1px solid var(--sai-border);
  border-radius: 16px;
  background: var(--sai-soft);
  color: var(--sai-secondary);
  padding: 12px;
  font-size: 13px;
  line-height: 18px;
}

.sai-register-optional {
  border: 1px solid var(--sai-border);
  border-radius: 16px;
  background: #FFFFFF;
  padding: 11px 12px;
}

.sai-register-optional summary {
  color: var(--sai-secondary);
  font-size: 13px;
  line-height: 18px;
  cursor: pointer;
  outline: none;
}

.sai-register-optional[open] {
  display: grid;
  gap: 10px;
}


/* 54B-2H-9-3C · plan seleccionado visible */
.sai-register-plan-card {
  position: relative;
}

.sai-register-plan-card.selected {
  border-color: #BBD3FF !important;
  background: linear-gradient(180deg, #FFFFFF 0%, #F7FAFF 100%) !important;
  box-shadow: 0 12px 28px rgba(59, 130, 246, 0.10) !important;
}

.sai-register-plan-card.selected::after {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid #DCE9FF;
  border-radius: 14px;
  pointer-events: none;
}


/* 54B-2H-9-3D · plan inicial gratuito */
.sai-register-plan-static {
  display: grid;
  gap: 7px;
  border: 1px solid #BBD3FF;
  border-radius: 18px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F7FAFF 100%);
  padding: 13px;
  box-shadow: 0 10px 24px rgba(55, 66, 88, 0.05);
  cursor: default;
}

.sai-register-plan-static .sai-register-plan-head strong {
  color: #374258;
  font-size: 15px;
  line-height: 19px;
  font-weight: 600;
}

.sai-register-plan-static .sai-register-plan-head small {
  color: #3A455B;
  font-size: 12px;
  line-height: 17px;
  white-space: nowrap;
}

.sai-register-plan-card {
  cursor: default;
}

.sai-register-plan-card input {
  display: none;
}