/* ==========================================================================
   NASSO SYSTEM — folha de estilo do aplicativo do livro (livro.html)
   Mesma paleta do site de vendas (noite profunda + luz âmbar).
   Zero dependências externas. Mobile-first. Tema escuro/claro opcional.
   ========================================================================== */

:root{
  --ink:#06070c;
  --ink-2:#0b0d16;
  --card:#10131f;
  --card-2:#0c0f1a;
  --line:#ffffff14;
  --line-2:#ffffff26;
  --text:#e9edf8;
  --muted:#98a1b8;
  --muted-2:#6e778f;
  --gold:#e2b45f;
  --gold-2:#f7dfa6;
  --indigo:#5f70e6;
  --indigo-2:#8b96f5;
  --green:#4fd1a5;
  --red:#e25454;
  --radius:16px;
  --radius-lg:24px;
  --maxw:1180px;
  --shadow:0 24px 60px -20px #000c;
  --font:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}

/* ---------- tema claro ---------- */
:root[data-theme="light"]{
  --ink:#f4f5fa;
  --ink-2:#eaecf4;
  --card:#ffffff;
  --card-2:#f7f8fc;
  --line:#00000014;
  --line-2:#00000022;
  --text:#161a24;
  --muted:#4a5268;
  --muted-2:#737c94;
  --gold:#b9832f;
  --gold-2:#8a5f1e;
  --indigo:#4654c9;
  --indigo-2:#3c4ab8;
  --green:#159d78;
  --red:#cf3f3f;
  --shadow:0 24px 60px -24px #16204033;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;background:var(--ink);color:var(--text);
  font-family:var(--font);font-size:16px;line-height:1.65;
  overflow-x:hidden;transition:background .3s ease,color .3s ease;
}

img,svg{max-width:100%;display:block}

a{color:var(--gold);text-decoration:none}
a:hover{color:var(--gold-2)}

button{font-family:inherit;cursor:pointer}

h1,h2,h3,h4{line-height:1.18;margin:0 0 .55em;font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(1.5rem,3.4vw,2.3rem)}
h2{font-size:clamp(1.25rem,2.6vw,1.7rem)}
h3{font-size:clamp(1.05rem,2vw,1.3rem)}
p{margin:0 0 1.05em}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.small{font-size:.85rem;line-height:1.6}
.tiny{font-size:.74rem;color:var(--muted-2);line-height:1.55}

/* ==========================================================================
   BARRA SUPERIOR
   ========================================================================== */
.appbar{
  position:sticky;top:0;z-index:60;
  background:color-mix(in srgb,var(--ink) 88%,transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.appbar-in{display:flex;align-items:center;gap:14px;height:62px;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;color:var(--text);font-size:1rem;flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{width:28px;height:28px;flex:0 0 28px}
.brand small{display:block;font-size:.58rem;font-weight:600;letter-spacing:.16em;color:var(--muted-2);text-transform:uppercase;margin-top:-3px}

.tabs{display:flex;gap:4px;margin-left:auto;background:var(--card-2);border:1px solid var(--line);border-radius:12px;padding:4px}
.tab{
  border:0;background:transparent;color:var(--muted);font-weight:600;font-size:.82rem;
  padding:8px 13px;border-radius:9px;display:inline-flex;align-items:center;gap:6px;transition:.16s;
}
.tab:hover{color:var(--text)}
.tab.on{background:var(--card);color:var(--gold);box-shadow:0 2px 8px -2px #0006;border:1px solid var(--line)}
.tab .ico{font-size:.95rem;line-height:1}

.icon-btn{
  border:1px solid var(--line-2);background:var(--card-2);color:var(--text);
  border-radius:10px;width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;font-size:1.05rem;
  flex:0 0 auto;
}
.icon-btn:hover{background:var(--card)}

/* ==========================================================================
   LAYOUT GERAL / VIEWS
   ========================================================================== */
main{min-height:calc(100vh - 62px)}
.view{display:none;padding:28px 0 70px}
.view.on{display:block}

.view-head{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.view-head .eyebrow{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.view-head h1{margin-bottom:8px}
.view-head .lead{font-size:clamp(1rem,2vw,1.15rem);color:var(--muted);max-width:760px}

/* ==========================================================================
   LEITOR
   ========================================================================== */
.leitor{display:grid;grid-template-columns:300px 1fr;gap:26px;max-width:var(--maxw);margin:22px auto 0;padding:0 20px;align-items:start}

.toc{
  position:sticky;top:82px;max-height:calc(100vh - 100px);overflow-y:auto;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:8px;
}
.toc-title{font-size:.7rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);padding:10px 12px 6px}
.toc-item{
  display:flex;gap:11px;align-items:flex-start;width:100%;text-align:left;
  background:transparent;border:0;color:var(--muted);font-size:.86rem;padding:10px 12px;border-radius:10px;transition:.14s;
}
.toc-item:hover{background:#ffffff08;color:var(--text)}
.toc-item.on{background:color-mix(in srgb,var(--gold) 14%,transparent);color:var(--text)}
.toc-n{
  flex:0 0 24px;height:24px;border-radius:8px;background:var(--card-2);border:1px solid var(--line-2);
  display:inline-flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:800;color:var(--gold);margin-top:1px;
}
.toc-item.on .toc-n{background:var(--gold);color:#1a1206;border-color:var(--gold)}
.toc-t{line-height:1.4}

.toc-toggle{display:none;width:100%;margin-bottom:14px;justify-content:space-between}

.capitulo{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(22px,4vw,46px);min-width:0}
.capitulo-cab{margin-bottom:22px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.capitulo-num{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.capitulo-cab h1{font-size:clamp(1.5rem,3.6vw,2.3rem);margin-bottom:10px}
.capitulo-cab .subtitulo{color:var(--muted);font-size:1rem}

.capitulo-corpo{font-size:1rem;color:#dde3f1}
.capitulo-corpo .capa-logo{text-align:center;margin:0 0 1.4em}
.capitulo-corpo .capa-logo img{height:46px;width:auto;max-width:100%}
:root[data-theme="light"] .capitulo-corpo{color:#2a3040}
.capitulo-corpo h2{font-size:1.4rem;margin-top:2.1em;padding-top:.4em;border-top:1px solid var(--line)}
.capitulo-corpo h2:first-of-type{border-top:0;margin-top:1.4em}
.capitulo-corpo h3{font-size:1.14rem;margin-top:1.7em;color:var(--gold-2)}
.capitulo-corpo p{margin:0 0 1.1em}
.capitulo-corpo > p:first-child{font-size:1.08rem;color:var(--text)}
:root[data-theme="light"] .capitulo-corpo > p:first-child{color:var(--text)}

.capitulo-corpo ul,.capitulo-corpo ol{margin:0 0 1.2em;padding-left:1.4em}
.capitulo-corpo li{margin-bottom:.42em}
.capitulo-corpo strong{color:var(--text);font-weight:700}
.capitulo-corpo em{font-style:italic;color:var(--gold-2)}
.capitulo-corpo code{
  font-family:ui-monospace,"Cascadia Code","SF Mono",Consolas,monospace;font-size:.86em;
  background:var(--card-2);border:1px solid var(--line);border-radius:6px;padding:1px 6px;color:var(--gold-2);
}
.capitulo-corpo blockquote{
  margin:1.2em 0;padding:12px 18px;border-left:3px solid var(--gold);
  background:color-mix(in srgb,var(--gold) 7%,transparent);border-radius:0 10px 10px 0;color:var(--muted);
}
.capitulo-corpo a{text-decoration:underline;text-underline-offset:2px}

/* tabela */
.tabela-wrap{overflow-x:auto;margin:1.3em 0;border:1px solid var(--line);border-radius:12px}
.capitulo-corpo table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:460px}
.capitulo-corpo th,.capitulo-corpo td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.capitulo-corpo thead th{background:var(--card-2);font-weight:700;color:var(--text);white-space:nowrap}
.capitulo-corpo tbody tr:last-child td{border-bottom:0}
.capitulo-corpo tbody tr:nth-child(even){background:#ffffff04}

/* etiquetas de evidência */
.ev-tag{
  display:inline-flex;align-items:center;font-size:.66rem;font-weight:800;letter-spacing:.04em;
  text-transform:uppercase;padding:2px 8px;border-radius:999px;white-space:nowrap;vertical-align:middle;margin:0 1px;
}
.ev-forte{background:#4fd1a51f;color:#7ee6c4;border:1px solid #4fd1a54d}
.ev-moderada{background:#e2b45f1f;color:var(--gold-2);border:1px solid #e2b45f4d}
.ev-fraca{background:#8b96f51f;color:#aab4f8;border:1px solid #8b96f54d}
.ev-contestado{background:#ff9d4d1f;color:#ffc08a;border:1px solid #ff9d4d4d}
.ev-mito{background:#e254541f;color:#f0a09c;border:1px solid #e254544d}
.ev-hipotese{background:#9aa0b01f;color:#b6bcc9;border:1px solid #9aa0b04d}

/* figura (placeholder) */
.figura{
  margin:1.6em 0;padding:22px 20px;border:1px dashed var(--line-2);border-radius:14px;
  background:var(--card-2);text-align:center;
}
.figura .figura-icone{font-size:1.7rem;display:block;margin-bottom:8px;opacity:.85}
.figura figcaption{font-size:.82rem;color:var(--muted);max-width:640px;margin:0 auto;line-height:1.55}

/* navegação do capítulo */
.capitulo-nav{display:flex;justify-content:space-between;gap:12px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}
.capitulo-nav .btn{flex:0 1 auto}
.capitulo-nav .prox{margin-left:auto}

/* ---------- botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:11px;font-weight:700;font-size:.9rem;
  border:1px solid transparent;transition:transform .16s,box-shadow .16s,background .16s;line-height:1.25;text-align:center;
}
.btn-primary{background:linear-gradient(135deg,var(--gold),#c8933d);color:#1a1206;box-shadow:0 12px 28px -12px #e2b45f80}
.btn-primary:hover{transform:translateY(-2px);color:#1a1206}
.btn-ghost{background:var(--card-2);border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{background:var(--card);color:var(--text)}
.btn-sm{padding:9px 15px;font-size:.82rem;border-radius:9px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ==========================================================================
   PROGRAMA 28 DIAS
   ========================================================================== */
.prog{max-width:var(--maxw);margin:20px auto 0;padding:0 20px}

.progresso{position:sticky;top:74px;z-index:40;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin-bottom:20px;box-shadow:var(--shadow)}
.progresso-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:10px}
.progresso-top .pct{font-weight:800;font-size:1.25rem;color:var(--gold)}
.progresso-top .lbl{font-size:.8rem;color:var(--muted)}
.barra{height:10px;border-radius:999px;background:var(--card-2);overflow:hidden}
.barra > span{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--gold),var(--green));transition:width .4s ease}

.semana{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(18px,3vw,28px);margin-bottom:18px}
.semana-cab{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:6px}
.semana-n{font-size:.7rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.semana h2{margin:0;font-size:1.3rem}
.semana-desc{color:var(--muted);font-size:.92rem;margin:6px 0 18px;max-width:720px}
.semana-meta{font-size:.78rem;color:var(--muted-2);margin-top:-8px;margin-bottom:16px}

.dias{display:grid;grid-template-columns:1fr;gap:10px}
.dia{display:grid;grid-template-columns:44px 1fr;gap:14px;background:var(--card-2);border:1px solid var(--line);border-radius:13px;padding:14px 16px;align-items:start}
.dia-n{
  width:40px;height:40px;border-radius:11px;background:var(--card);border:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--gold);font-size:.95rem;
}
.dia-feito .dia-n{background:var(--green);color:#06231a;border-color:var(--green)}
.dia h3{font-size:1rem;margin:2px 0 8px}
.dia ul{list-style:none;margin:0;padding:0}
.tarefa{display:flex;gap:11px;align-items:flex-start;padding:7px 0;border-bottom:1px dashed var(--line);cursor:pointer}
.tarefa:last-child{border-bottom:0}
.tarefa input[type=checkbox]{appearance:none;-webkit-appearance:none;flex:0 0 20px;width:20px;height:20px;border-radius:6px;border:2px solid var(--line-2);background:var(--card);position:relative;top:2px;transition:.15s}
.tarefa input[type=checkbox]:checked{background:var(--green);border-color:var(--green)}
.tarefa input[type=checkbox]:checked::after{content:"";position:absolute;left:5px;top:1px;width:5px;height:10px;border:solid #06231a;border-width:0 2px 2px 0;transform:rotate(45deg)}
.tarefa span{font-size:.9rem;color:#dde3f1;line-height:1.5}
:root[data-theme="light"] .tarefa span{color:#2a3040}
.tarefa.feita span{text-decoration:line-through;color:var(--muted-2)}

.prog-footer{margin-top:22px;text-align:center}
.link-quiet{background:none;border:0;color:var(--muted-2);font-size:.8rem;text-decoration:underline;text-underline-offset:3px}
.link-quiet:hover{color:var(--red)}

.aviso{
  margin-top:14px;padding:13px 16px;border-radius:12px;background:color-mix(in srgb,var(--indigo) 8%,transparent);
  border:1px solid color-mix(in srgb,var(--indigo) 30%,transparent);font-size:.82rem;color:var(--muted);line-height:1.55;
}

/* ==========================================================================
   FLASHCARDS
   ========================================================================== */
.fichas{max-width:840px;margin:20px auto 0;padding:0 20px}
.deck-info{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;color:var(--muted);font-size:.86rem;flex-wrap:wrap}

.deck{perspective:1400px}
.card-scene{position:relative;min-height:330px;cursor:pointer}
.card{
  position:absolute;inset:0;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.2,.8,.2,1);
}
.card.virada{transform:rotateY(180deg)}
.card-face{
  position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;
  background:linear-gradient(160deg,var(--card),var(--card-2));border:1px solid var(--line-2);
  border-radius:var(--radius-lg);padding:34px 30px;box-shadow:var(--shadow);
}
.card-face.verso{transform:rotateY(180deg)}
.card-face .tipo{font-size:.68rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:18px}
.card-face .frase{font-size:clamp(1.05rem,2.4vw,1.4rem);font-weight:700;line-height:1.4;max-width:560px}
.card-face .frase.resposta{font-size:clamp(.95rem,2vw,1.12rem);font-weight:400;color:var(--muted);line-height:1.6}
.card-face .dica{position:absolute;bottom:18px;font-size:.72rem;color:var(--muted-2)}

.deck-nav{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:20px}
.deck-dots{display:flex;gap:6px;flex-wrap:wrap}
.dot{width:9px;height:9px;border-radius:50%;background:var(--line-2);border:0;padding:0}
.dot.on{background:var(--gold)}
.deck-cta{margin-top:18px;display:flex;gap:10px;justify-content:center}

/* ==========================================================================
   COACH
   ========================================================================== */
.coach{max-width:820px;margin:20px auto 0;padding:0 20px}
.chat{display:flex;flex-direction:column;height:calc(100vh - 260px);min-height:420px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.chat-cab{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}
.chat-avatar{width:40px;height:40px;border-radius:12px;flex:0 0 40px;background:linear-gradient(135deg,var(--gold),#c8933d);display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.chat-cab b{display:block;font-size:.95rem}
.chat-cab small{color:var(--muted-2);font-size:.74rem}
.chat-cab .status{margin-left:auto;display:flex;align-items:center;gap:6px;font-size:.74rem;color:var(--muted-2)}
.ponto{width:8px;height:8px;border-radius:50%;background:var(--muted-2)}
.ponto.ok{background:var(--green)}
.ponto.off{background:var(--red)}

.chat-msgs{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:14px}
.bolha{max-width:82%;padding:12px 15px;border-radius:16px;font-size:.92rem;line-height:1.55;white-space:normal;word-wrap:break-word}
.bolha.user{align-self:flex-end;background:linear-gradient(135deg,var(--gold),#c8933d);color:#1a1206;border-bottom-right-radius:4px}
.bolha.assist{align-self:flex-start;background:var(--card-2);border:1px solid var(--line);border-bottom-left-radius:4px;color:var(--text)}
.bolha.erro{border-color:color-mix(in srgb,var(--red) 40%,transparent);color:var(--muted)}
.bolha p{margin:0 0 .4em}
.bolha p:last-child{margin:0}
.bolha strong{color:inherit}
.bolha.assist strong{color:var(--gold-2)}
.bolha code{font-family:ui-monospace,Consolas,monospace;font-size:.85em;background:#0000001f;border-radius:5px;padding:1px 5px}
.digitando{align-self:flex-start;color:var(--muted-2);font-size:.82rem;display:flex;gap:4px;align-items:center}
.digitando .d{width:6px;height:6px;border-radius:50%;background:var(--muted-2);animation:pulso 1s infinite}
.digitando .d:nth-child(2){animation-delay:.15s}
.digitando .d:nth-child(3){animation-delay:.3s}
@keyframes pulso{0%,60%,100%{opacity:.25}30%{opacity:1}}

.chat-form{display:flex;gap:10px;padding:14px;border-top:1px solid var(--line)}
.chat-form textarea{
  flex:1;resize:none;min-height:46px;max-height:140px;padding:12px 14px;border-radius:12px;
  border:1px solid var(--line-2);background:var(--card-2);color:var(--text);font-size:.95rem;font-family:inherit;line-height:1.5;
}
.chat-form textarea:focus{outline:2px solid #e2b45f66;outline-offset:1px;border-color:var(--gold)}
.chat-form .btn{flex:0 0 auto;align-self:flex-end}

.coach-note{margin-top:14px;text-align:center;font-size:.78rem;color:var(--muted-2);line-height:1.5}

/* FAB (botão flutuante do coach) */
.fab{
  position:fixed;right:18px;bottom:20px;z-index:80;display:none;
  width:58px;height:58px;border-radius:50%;border:0;
  background:linear-gradient(135deg,var(--gold),#c8933d);color:#1a1206;font-size:1.5rem;
  box-shadow:0 16px 38px -10px #e2b45f90;align-items:center;justify-content:center;transition:transform .16s;
}
.fab:hover{transform:scale(1.07)}
.fab.on{display:inline-flex}

/* ==========================================================================
   RESPONSIVO
   ========================================================================== */
@media (max-width:900px){
  .leitor{grid-template-columns:1fr}
  .toc{position:static;max-height:none;display:none}
  .toc.aberta{display:block;margin-bottom:16px}
  .toc-toggle{display:flex}
}

@media (max-width:680px){
  body{font-size:15px}
  .appbar-in{height:58px;gap:8px}
  .brand span{display:none}
  .tabs{flex:1;justify-content:space-between;overflow-x:auto}
  .tab{padding:8px 10px;font-size:.76rem;white-space:nowrap}
  .tab .ico{font-size:.9rem}
  .tab .rotulo{display:none}
  .view{padding:20px 0 90px}
  .capitulo{padding:22px 18px;border-radius:var(--radius)}
  .capitulo-nav .btn{font-size:.8rem;padding:10px 13px}
  .dia{grid-template-columns:38px 1fr;padding:12px}
  .dia-n{width:34px;height:34px;font-size:.82rem}
  .chat{height:calc(100vh - 220px)}
  .bolha{max-width:90%}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}