/* ============================================================
   Paywall Overlay — Premium VIP visual (D-47..D-56)
   Story 002.4. Wireframe §2.1.2.
   Tokens v0.3 em theme.css.

   Aplicação:
     <div class="chart-card has-paywall" data-anon="true">
       <div class="chart-wrap"><canvas>…</canvas></div>
       <div class="paywall-cta">…CTA card…</div>
     </div>

   - `data-anon="true"` ativa o blur + listras douradas via ::after.
   - `.paywall-cta` é o card centralizado com ícone, título, botão CTA.
   - `paywall-cta--fading` dispara fade 600ms (pós login bem-sucedido).
   ============================================================ */

/* ── Container que hospeda o blur (chart-card / panel) ──────────── */
.has-paywall {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

/* ── Camada de blur + listras douradas (somente se data-anon=true) ─ */
[data-anon='true']::after {
  content: '';
  position: absolute;
  /* Cobre a região DIREITA do canvas (onde estão os últimos N dias).
     Largura ajustada via custom property `--blur-width` calculada por JS. */
  top: 0;
  right: 0;
  bottom: 0;
  width: var(--blur-width, 25%);
  z-index: var(--z-overlay);
  pointer-events: none;
  backdrop-filter: blur(var(--paywall-blur));
  -webkit-backdrop-filter: blur(var(--paywall-blur));
  background:
    repeating-linear-gradient(
      45deg,
      var(--paywall-stripe) 0px,
      var(--paywall-stripe) 6px,
      transparent 6px,
      transparent 14px
    ),
    var(--paywall-veil);
  /* Sutil gradiente de entrada — esquerda transparente → direita opaca,
     evita corte abrupto entre histórico visível e área bloqueada */
  mask-image: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.4) 0%,
    rgba(0, 0, 0, 1) 12%,
    rgba(0, 0, 0, 1) 100%
  );
  -webkit-mask-image: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.4) 0%,
    rgba(0, 0, 0, 1) 12%,
    rgba(0, 0, 0, 1) 100%
  );
  animation: paywall-veil-in var(--dur-slow) var(--ease-out);
}

@keyframes paywall-veil-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ── CTA Card centralizado ─────────────────────────────────────── */
.paywall-cta {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: calc(var(--z-overlay) + 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  max-width: 380px;
  padding: 28px 32px;
  background: rgba(13, 14, 18, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--gold-deep);
  border-radius: var(--radius-lg);
  box-shadow:
    var(--shadow-gold),
    0 20px 60px rgba(0, 0, 0, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  text-align: center;
  pointer-events: auto;
  /* Animação de entrada — entrega sensação de "subiu suavemente" */
  animation: paywall-rise var(--dur-slow) var(--ease-out);
}

@keyframes paywall-rise {
  from {
    opacity: 0;
    transform: translate(-50%, -45%) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

/* ── Elementos internos do card ────────────────────────────────── */
.paywall-cta__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(212, 175, 55, 0.05));
  border: 1px solid var(--gold-deep);
  margin-bottom: 4px;
}
.paywall-cta__icon svg,
.paywall-cta__icon i {
  width: 28px;
  height: 28px;
  color: var(--gold);
  stroke: var(--gold);
}

.paywall-cta__eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin: 0;
}

.paywall-cta__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin: 0;
}

/* Value chips — TradingView-style (2026-05-23 redesign).
   Promete a plataforma completa via 3 benefícios concretos. */
.paywall-cta__values {
  list-style: none;
  padding: 0;
  margin: 12px 0 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}
.paywall-cta__values li {
  font-size: 14px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.4;
}
.paywall-cta__value-dot {
  color: var(--gold);
  font-size: 10px;
  line-height: 1;
}
@media (min-width: 720px) {
  .paywall-cta__values {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
  }
}

.paywall-cta__subtext {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  margin: 4px 0 0;
}
.paywall-cta__subtext svg,
.paywall-cta__subtext i {
  width: 12px;
  height: 12px;
  color: var(--green);
  stroke: var(--green);
}

.paywall-cta__login-link {
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  margin-top: 6px;
  transition: color var(--dur-fast) var(--ease-out);
}
.paywall-cta__login-link:hover {
  color: var(--text);
  text-decoration: underline;
}
.paywall-cta__login-link b {
  color: var(--gold);
}

/* ── Botão CTA dourado (high signal) ───────────────────────────── */
.btn--cta-paywall {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  min-height: 44px; /* WCAG touch target — D-54 */
  padding: 12px 24px;
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #1a1300;
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  border: 1px solid var(--gold-deep);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  box-shadow:
    0 4px 16px rgba(212, 175, 55, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  transition:
    transform var(--dur-fast) var(--ease-in-out),
    box-shadow var(--dur-fast) var(--ease-in-out),
    background var(--dur-fast) var(--ease-in-out);
}
.btn--cta-paywall:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, #f8d960, var(--gold-bright));
  box-shadow:
    0 6px 24px rgba(212, 175, 55, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
  color: #1a1300;
}
.btn--cta-paywall:active {
  transform: translateY(0);
  box-shadow:
    0 2px 8px rgba(212, 175, 55, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.btn--cta-paywall:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

/* ── Estado de fade-out pós login (AC-8) ───────────────────────── */
.paywall-cta--fading {
  opacity: 0 !important;
  transition: opacity 600ms var(--ease-out);
  pointer-events: none;
}
[data-anon='false']::after {
  opacity: 0;
  transition: opacity 600ms var(--ease-out);
}

/* ── Reduce motion: respeita preferência ─────────────────────── */
@media (prefers-reduced-motion: reduce) {
  [data-anon='true']::after,
  .paywall-cta {
    animation: none;
  }
  .btn--cta-paywall {
    transition: none;
  }
}

/* ── Mobile 375-640px (AC-9, D-54) ─────────────────────────────── */
/* 2026-05-23 fix: card estava virando "pilar" estreito (~280px) porque
   usava só max-width sem width explícita — flex shrink ao conteúdo.
   Agora: width fixo (viewport - margens) com max-width safety pra tablets.
   Resultado: card ocupa o chart inteiro, título cabe em 2 linhas, sem dead-space lateral. */
@media (max-width: 640px) {
  [data-anon='true']::after {
    /* Em mobile o gráfico é menor — proporção do paywall aumenta */
    width: var(--blur-width, 35%);
  }
  .paywall-cta {
    width: calc(100% - 24px);
    max-width: 420px;
    padding: 22px 20px;
    gap: 10px;
  }
  .paywall-cta__title {
    font-size: 17px;
    line-height: 1.25;
  }
  .paywall-cta__icon {
    width: 40px;
    height: 40px;
  }
  .paywall-cta__icon svg,
  .paywall-cta__icon i {
    width: 22px;
    height: 22px;
  }
  .btn--cta-paywall {
    font-size: 14px;
    padding: 13px 18px;
    width: 100%;
    max-width: 280px;
  }
}

@media (max-width: 380px) {
  .paywall-cta {
    padding: 18px 16px;
  }
  .paywall-cta__title {
    font-size: 16px;
  }
}