/* =====================================================
   KELY MEDINA — CSS do Sistema de Prévia
   css/previa.css
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Montserrat:wght@300;400;500;600;700&display=swap');

/* ── Reset base ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:      #0d0005;
  --dark:       #150008;
  --dark2:      #1e000d;
  --dark3:      #2e000f;
  --wine:       #6b0024;
  --wine-light: #920033;
  --rose:       #c2184e;
  --gold:       #d4a35a;
  --gold-light: #ecc87a;
  --cream:      #f7eee8;
  --white:      #ffffff;
  --grey:       #8a7a80;
  --grey-light: #b8a8b0;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'Montserrat', sans-serif;
  --transition: 0.3s ease;
  --radius:     4px;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--black);
  color: var(--cream);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color var(--transition); }
img { display: block; max-width: 100%; height: auto; }
button { cursor: pointer; border: none; background: none; font-family: var(--font-sans); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--wine); border-radius: 3px; }

/* =====================================================
   NAVBAR (idêntica ao site principal)
   ===================================================== */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 800;
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 62px;
  background: rgba(13,0,5,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212,163,90,0.15);
  transition: background var(--transition);
}
.nav-logo { font-family: var(--font-serif); font-size: 1.25rem; letter-spacing: 0.15em; }
.nav-logo span { color: var(--gold); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream); opacity: 0.75; transition: opacity var(--transition), color var(--transition); }
.nav-links a:hover { opacity: 1; color: var(--gold); }
.nav-amazon { background: var(--wine); color: var(--cream)!important; opacity: 1!important; padding: 8px 16px; border-radius: var(--radius); font-size: 0.65rem!important; letter-spacing: 0.1em; display: flex; align-items: center; gap: 6px; transition: background var(--transition)!important; }
.nav-amazon:hover { background: var(--wine-light)!important; }
.nav-mobile-toggle { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.nav-mobile-toggle span { display: block; width: 22px; height: 2px; background: var(--cream); border-radius: 2px; transition: var(--transition); }
.mobile-nav { display: none; position: fixed; top: 62px; left: 0; right: 0; background: rgba(13,0,5,0.97); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(212,163,90,0.15); padding: 20px 24px; z-index: 799; flex-direction: column; gap: 16px; }
.mobile-nav.active { display: flex; }
.mobile-nav a { font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; opacity: 0.75; padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.mobile-nav a:last-child { border-bottom: none; }

@media (max-width: 820px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }
}

/* =====================================================
   MODAL DE CADASTRO
   ===================================================== */
#km-previa-modal {
  position: fixed; inset: 0; z-index: 9000;
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  transition: opacity 0.4s ease;
}
#km-previa-modal.km-modal-fade-out { opacity: 0; pointer-events: none; }

.km-modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(13,0,5,0.88);
  backdrop-filter: blur(8px);
}

.km-modal-box {
  position: relative; z-index: 1;
  background: linear-gradient(145deg, var(--dark2), var(--dark3));
  border: 1px solid rgba(212,163,90,0.35);
  border-radius: 8px;
  width: 100%; max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 80px rgba(0,0,0,0.8), 0 0 0 1px rgba(212,163,90,0.1);
  animation: km-modal-in 0.45s cubic-bezier(0.16,1,0.3,1) both;
}

@keyframes km-modal-in {
  from { opacity: 0; transform: scale(0.9) translateY(20px); }
  to   { opacity: 1; transform: scale(1)   translateY(0);    }
}

.km-modal-header {
  padding: 32px 32px 24px;
  text-align: center;
  border-bottom: 1px solid rgba(212,163,90,0.15);
}

.km-modal-logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.18em;
  color: var(--cream);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.km-modal-logo span { color: var(--gold); }

.km-modal-header h2 {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 500;
  color: var(--gold);
  margin-bottom: 10px;
  line-height: 1.25;
}

.km-modal-header p {
  font-size: 0.82rem;
  color: var(--grey-light);
  line-height: 1.55;
}
.km-modal-header p strong { color: var(--cream); }

.km-modal-body {
  padding: 24px 32px 32px;
}

/* Google button wrapper */
#km-google-btn-wrap { display: flex; flex-direction: column; align-items: center; gap: 8px; margin-bottom: 4px; }
#km-google-btn { min-height: 44px; }

.km-divider {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--grey); margin: 4px 0 16px; width: 100%;
}
.km-divider::before, .km-divider::after {
  content: ''; flex: 1; height: 1px; background: rgba(255,255,255,0.1);
}
.km-divider span { white-space: nowrap; padding: 0 4px; }

/* Campos */
.km-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.km-field label { font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--grey-light); }
.km-req { color: var(--rose); }
.km-field input {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(212,163,90,0.2);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--cream);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  outline: none;
  transition: border-color var(--transition), background var(--transition);
  width: 100%;
}
.km-field input::placeholder { color: var(--grey); }
.km-field input:focus { border-color: var(--gold); background: rgba(212,163,90,0.06); }

.km-error {
  background: rgba(194,24,78,0.15);
  border: 1px solid rgba(194,24,78,0.4);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.8rem;
  color: #f08bad;
  margin-bottom: 12px;
}

.km-btn-submit {
  width: 100%;
  background: var(--wine);
  color: var(--cream);
  border: none;
  border-radius: var(--radius);
  padding: 14px 20px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: background var(--transition), transform var(--transition);
  margin-top: 4px;
}
.km-btn-submit:hover { background: var(--wine-light); transform: translateY(-1px); }
.km-btn-submit:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }

.km-disclaimer {
  font-size: 0.7rem;
  color: var(--grey);
  text-align: center;
  margin-top: 14px;
  line-height: 1.5;
}

@media (max-width: 480px) {
  .km-modal-header { padding: 24px 20px 18px; }
  .km-modal-body { padding: 18px 20px 24px; }
  .km-modal-header h2 { font-size: 1.3rem; }
}

/* =====================================================
   PÁGINA DE PRÉVIA
   ===================================================== */
.previa-page { padding-top: 62px; min-height: 100vh; }

/* Hero da prévia */
.previa-hero {
  background: linear-gradient(180deg, var(--dark3) 0%, var(--dark2) 100%);
  padding: 60px 20px 40px;
  text-align: center;
  border-bottom: 1px solid rgba(212,163,90,0.15);
}

.previa-hero-inner {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.previa-cover {
  width: 140px;
  border-radius: 4px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.7);
}

.previa-tag {
  display: inline-block;
  background: rgba(212,163,90,0.15);
  border: 1px solid rgba(212,163,90,0.35);
  color: var(--gold);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
}

.previa-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 400;
  color: var(--cream);
  line-height: 1.2;
}

.previa-hero .series-label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grey-light);
}

/* =====================================================
   KINDLE FRAME — Container do dispositivo
   ===================================================== */
.kindle-device-wrap {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 48px 16px 0;
  background: var(--black);
}

.kindle-device {
  position: relative;
  width: 100%;
  max-width: 480px;
  /* proporção exata das imagens: 682x1024 = 1:1.5 */
  aspect-ratio: 682 / 1024;
  background-size: 100% 100%;
  background-repeat: no-repeat;
  border-radius: 18px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.85);
}

/* Variantes por livro */
.kindle-device.frame-azul {
  background-image: url('../images/kindle-frame-azul.png');
}
.kindle-device.frame-vermelho {
  background-image: url('../images/kindle-frame-vermelho.png');
}
/* Fallback genérico */
.kindle-device.frame-default {
  background-image: url('../images/kindle-frame-km.jpg');
}
/* Frame rosas — Desejo Irreparável */
.kindle-device.frame-rosas {
  background-image: url('../images/kindle-frame-rosas.png');
  aspect-ratio: 768 / 1024;
}
.kindle-device.frame-rosas .kindle-screen {
  top:    14.1%;
  left:   15.8%;
  right:  15.9%;
  bottom: 16.8%;
}
/* Drop cap vinho escuro — exclusivo para o frame rosas */
.frame-rosas .kindle-text p:first-child::first-letter {
  color: #7a0020;
  text-shadow: 0 0 10px rgba(122, 0, 32, 0.45);
}

/* Frame máfia — Desejo Insaciável */
.kindle-device.frame-mafia {
  background-image: url('../images/kindle-frame-mafia.png');
  aspect-ratio: 768 / 1024;
}
.kindle-device.frame-mafia .kindle-screen {
  top:    14.4%;
  left:   15.8%;
  right:  15.8%;
  bottom: 16.7%;
}
/* Drop cap vermelho — exclusivo para o frame máfia */
.frame-mafia .kindle-text p:first-child::first-letter {
  color: #9b0a2a;
  text-shadow: 0 0 10px rgba(155, 10, 42, 0.4);
}

/* Área de texto — o "ecrã" branco do Kindle */
.kindle-screen {
  position: absolute;
  /* medidas exatas baseadas nas imagens: top 16.8%, bottom 16.8%, left/right 14.5% */
  top: 16.8%;
  left: 14.5%;
  right: 14.5%;
  bottom: 16.8%;
  background: #f8f4f0;
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Barra de status topo (simula barra do Kindle) */
.kindle-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 14px 4px;
  font-size: 0.55rem;
  letter-spacing: 0.06em;
  color: #4a3830;
  border-bottom: 1px solid rgba(74,56,48,0.15);
  flex-shrink: 0;
  font-family: var(--font-sans);
}

/* Área de scroll do texto */
.kindle-text-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 18px 20px 0;
  scroll-behavior: smooth;
  /* scrollbar invisível igual ao Kindle */
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.kindle-text-scroll::-webkit-scrollbar { display: none; }

/* Barra de progresso inferior */
.kindle-progress-bar {
  flex-shrink: 0;
  padding: 6px 14px;
  border-top: 1px solid rgba(74,56,48,0.15);
  display: flex;
  align-items: center;
  gap: 8px;
}
.kindle-progress-track {
  flex: 1;
  height: 2px;
  background: rgba(74,56,48,0.15);
  border-radius: 2px;
  overflow: hidden;
}
.kindle-progress-fill {
  height: 100%;
  width: 0%;
  background: #6b0024;
  border-radius: 2px;
  transition: width 0.3s ease;
}
.kindle-progress-pct {
  font-size: 0.5rem;
  color: #4a3830;
  font-family: var(--font-sans);
  white-space: nowrap;
}

/* =====================================================
   KINDLE READER — Corpo da leitura
   ===================================================== */
.previa-body {
  max-width: 660px;
  margin: 0 auto;
  padding: 48px 32px 0;
}

/* Título dentro do Kindle */
.kindle-chapter-label {
  text-align: center;
  font-size: 0.5rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #8a6a5a;
  margin-bottom: 4px;
  font-family: var(--font-sans);
}
.kindle-chapter-title {
  font-family: var(--font-serif);
  font-size: clamp(0.95rem, 2.5vw, 1.25rem);
  font-weight: 400;
  text-align: center;
  color: #1a0c08;
  margin-bottom: 4px;
  line-height: 1.2;
}
.kindle-chapter-subtitle {
  text-align: center;
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  color: #7a5a50;
  margin-bottom: 12px;
  font-style: italic;
  font-family: var(--font-sans);
}
.kindle-chapter-title::after {
  content: '— ✦ —';
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: #a0785a;
  margin: 6px auto 10px;
  font-style: normal;
}

/* Texto do capítulo dentro do Kindle */
.kindle-text {
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}
.kindle-text p {
  font-family: var(--font-serif);
  font-size: clamp(0.72rem, 1.8vw, 0.88rem);
  line-height: 1.85;
  color: #1a0c08;
  margin-bottom: 0.7em;
  text-indent: 1.4em;
}
.kindle-text p:first-child { text-indent: 0; }
.kindle-text p:first-child::first-letter {
  font-size: 2.8em;
  float: left;
  line-height: 0.75;
  margin: 0.04em 0.06em 0 0;
  color: #6b0024;
  font-family: var(--font-serif);
}
/* Drop cap azul — exclusivo para o frame azul (Jogando Contra as Regras) */
.frame-azul .kindle-text p:first-child::first-letter {
  color: #1a6fd4;
  text-shadow: 0 0 12px rgba(30, 120, 220, 0.45);
}

/* Fade final dentro do kindle */
.kindle-fade {
  position: relative;
  pointer-events: none;
}
.kindle-fade::after {
  content: '';
  position: sticky;
  display: block;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent 0%, #f5efe8 100%);
}

.previa-chapter-label {
  text-align: center;
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}

.previa-chapter-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 400;
  text-align: center;
  color: var(--cream);
  margin-bottom: 10px;
  line-height: 1.2;
}

.previa-chapter-subtitle {
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--grey-light);
  margin-bottom: 40px;
  font-style: italic;
}

.previa-chapter-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 16px auto 0;
}

/* Texto do capítulo — estilo Kindle */
.previa-content {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

.previa-content p {
  font-family: var(--font-serif);
  font-size: clamp(1.08rem, 2.2vw, 1.22rem);
  line-height: 2.05;
  color: rgba(247,238,232,0.90);
  margin-bottom: 0;
  padding-bottom: 1.5em;
  text-indent: 2.2em;
}

/* Primeiro parágrafo sem indent + letra capitular */
.previa-content p:first-child {
  text-indent: 0;
}
.previa-content p:first-child::first-letter {
  font-size: 3.8em;
  float: left;
  line-height: 0.72;
  margin: 0.05em 0.1em 0 0;
  color: var(--gold);
  font-family: var(--font-serif);
  font-weight: 300;
}

/* Diálogos em destaque sutil */
.previa-content p.dialogo {
  text-indent: 2.2em;
  color: rgba(247,238,232,0.95);
}

/* Separador de cena */
.previa-content .scene-break {
  display: block;
  text-align: center;
  color: var(--gold);
  font-size: 1rem;
  letter-spacing: 0.4em;
  margin: 1.6em auto;
  opacity: 0.6;
  text-indent: 0 !important;
}

/* ── Zona de fade — últimos parágrafos somem ── */
.previa-fade-wrap {
  position: relative;
}
.previa-fade-wrap::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 260px;
  background: linear-gradient(to bottom,
    transparent 0%,
    rgba(13,0,5,0.6) 40%,
    rgba(13,0,5,0.92) 70%,
    var(--black) 100%);
  pointer-events: none;
}

/* ── Painel CTA estilo Kindle "Fim da Amostra" ── */
.previa-cta-section {
  text-align: center;
  padding: 56px 24px 72px;
  background: linear-gradient(180deg, var(--black) 0%, var(--dark) 100%);
  border-top: 1px solid rgba(212,163,90,0.18);
}

.previa-cta-badge {
  display: inline-block;
  background: rgba(212,163,90,0.12);
  border: 1px solid rgba(212,163,90,0.3);
  color: var(--gold);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.previa-cta-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 400;
  color: var(--cream);
  margin-bottom: 12px;
  line-height: 1.2;
}

.previa-cta-section .cta-hook {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-style: italic;
  color: var(--grey-light);
  max-width: 480px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.previa-cta-divider {
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 0 auto 32px;
}

.previa-cta-section p.cta-sub {
  font-size: 0.82rem;
  color: var(--grey);
  max-width: 380px;
  margin: 16px auto 0;
  line-height: 1.6;
}

.btn-ler-mais {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--wine);
  color: var(--cream);
  padding: 16px 36px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(107,0,36,0.5);
}
.btn-ler-mais:hover {
  background: var(--wine-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(107,0,36,0.7);
}
.btn-ler-mais i { font-size: 1rem; }

.btn-back-livro {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  transition: color var(--transition);
}
.btn-back-livro:hover { color: var(--cream); }

/* ── Transição fade do conteúdo após login ─── */
#previa-content-wrap {
  transition: opacity 0.5s ease;
}

/* ── Footer simples ─────────────────────────── */
.previa-footer {
  background: var(--dark);
  border-top: 1px solid rgba(212,163,90,0.1);
  padding: 24px 20px;
  text-align: center;
  font-size: 0.72rem;
  color: var(--grey);
  letter-spacing: 0.08em;
}
.previa-footer a { color: var(--gold); }

/* ── Back to top ────────────────────────────── */
#back-to-top {
  position: fixed; bottom: 32px; right: 28px;
  width: 44px; height: 44px;
  background: var(--wine); color: var(--cream);
  border: none; border-radius: 50%; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s, background 0.3s;
  z-index: 900; cursor: pointer;
}
#back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
#back-to-top:hover { background: var(--wine-light); transform: translateY(-2px); }

@media (max-width: 600px) {
  .previa-body { padding: 32px 16px 60px; }
  .previa-content p { text-indent: 1em; }
}