:root{
  --gold:#CCB691; --gold-bright:#E3D2AE; --gold-deep:#876224; --gold-muted:#A8936D;
  --red:#D30303;
  --bg-0:#0c0b09; --bg-1:#0F0F0B; --bg-2:#171711;
  --surface:#1E1D18; --surface-2:#252420;
  --border:rgba(204,182,145,.14); --border-strong:rgba(204,182,145,.30);
  --text:#FFFFFF; --text-dim:#C9C3B6; --text-faint:#8A8579;
  --gold-grad:linear-gradient(135deg,var(--gold-bright),var(--gold) 45%,var(--gold-deep));
  --book-color:#1b1a13; --book-depth:14;
  --shadow-book:0 1.8px 3.6px rgba(0,0,0,.1),0 14px 30px rgba(0,0,0,.45),
    inset 0 -.9px 0 rgba(0,0,0,.3),inset 0 1.8px 1.8px hsla(40,40%,90%,.08),inset 3.6px 0 3.6px rgba(0,0,0,.25);
  --radius:16px;
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  /* textura de papel reutilizável */
  --paper-tex:
    repeating-linear-gradient(0deg, rgba(0,0,0,.012) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg, rgba(0,0,0,.012) 0 1px, transparent 1px 3px),
    radial-gradient(rgba(0,0,0,.02), transparent 70%);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:var(--font);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  background:radial-gradient(1100px 600px at 80% -10%,rgba(204,182,145,.10),transparent 60%),
    radial-gradient(900px 500px at 0% 110%,rgba(135,98,36,.12),transparent 55%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1));}
button{font-family:inherit}
::selection{background:var(--gold);color:#0f0f0b}

/* ================= TOPBAR ================= */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;gap:12px;position:relative;z-index:30}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:2px;font-size:17px}
.brand .logo svg{height:28px;width:auto}
.brand small{display:block;font-weight:500;color:var(--text-faint);font-size:9.5px;letter-spacing:2.2px;text-transform:uppercase;margin-top:2px}
.top-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.ghost-btn{border:1px solid var(--border);background:rgba(204,182,145,.05);color:var(--gold);padding:8px 14px;border-radius:10px;
  cursor:pointer;font-size:12.5px;font-weight:600;transition:.2s;display:inline-flex;align-items:center;gap:7px;text-decoration:none}
.ghost-btn:hover{border-color:var(--border-strong);background:rgba(204,182,145,.10)}
.ghost-btn svg{width:14px;height:14px}
.expiry-badge{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:var(--text-dim);
  background:rgba(204,182,145,.06);border:1px solid var(--border);padding:7px 12px;border-radius:10px}
.expiry-badge svg{width:14px;height:14px;color:var(--gold)}
.expiry-badge.soon{color:#ffcf9f;border-color:rgba(211,3,3,.4)}

/* ================= HERO ================= */
.stage{min-height:calc(100vh - 70px);display:flex;flex-direction:column;justify-content:center;padding:20px 24px}
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;max-width:1120px;width:100%;margin:auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--gold-muted);background:rgba(204,182,145,.06);border:1px solid var(--border);padding:6px 13px;border-radius:99px;margin-bottom:22px}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 3px rgba(204,182,145,.15)}
.hero-copy h1{font-size:clamp(30px,4.6vw,52px);line-height:1.04;font-weight:800;letter-spacing:-1.2px}
.hero-copy h1 .grad{background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy p{margin-top:18px;color:var(--text-dim);font-size:16.5px;line-height:1.6;max-width:490px}
.type-chips{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.type-chips .chip{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--text-dim);
  border:1px solid var(--border);background:rgba(204,182,145,.04);padding:8px 13px;border-radius:11px}
.type-chips .chip svg{width:15px;height:15px;color:var(--gold);flex:0 0 auto}
.type-chips .chip em{color:var(--text-faint);font-style:normal;font-weight:500}
.home-foot{text-align:center;color:var(--text-faint);font-size:11.5px;letter-spacing:.4px;padding:22px 0 6px;opacity:.65}
.feature-list{margin-top:22px;display:flex;flex-direction:column;gap:11px}
.feature-list li{list-style:none;display:flex;align-items:center;gap:11px;color:var(--text-dim);font-size:14px}
.feature-list strong{color:var(--gold)}
.feature-list .tick{width:21px;height:21px;border-radius:7px;flex:0 0 auto;display:grid;place-items:center;font-size:11px;
  background:rgba(204,182,145,.14);color:var(--gold);font-weight:800}
.dropzone{margin-top:28px;border:1.5px dashed var(--border-strong);border-radius:var(--radius);padding:24px;display:flex;
  align-items:center;gap:16px;cursor:pointer;background:rgba(204,182,145,.03);transition:.25s;max-width:480px}
.dropzone:hover,.dropzone.drag{border-color:var(--gold);background:rgba(204,182,145,.08)}
.dropzone .ic{width:50px;height:50px;border-radius:13px;flex:0 0 auto;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(204,182,145,.22),rgba(135,98,36,.12));color:var(--gold)}
.dropzone .ic svg{width:23px;height:23px}
.dropzone .dz-title{font-weight:700;font-size:14.5px}
.dropzone .dz-sub{color:var(--text-faint);font-size:12px;margin-top:3px}
.dropzone strong{color:var(--gold)}

/* livro 3D do hero */
.book-side{display:flex;align-items:center;justify-content:center}
.book-perspective{perspective:1100px}
.book-3d{--d:calc(var(--book-depth)*1px);position:relative;width:300px;aspect-ratio:49/60;transform-style:preserve-3d;
  transform:rotateY(-26deg) rotateX(4deg);transition:transform .6s cubic-bezier(.2,.8,.2,1);animation:bookFloat 6s ease-in-out infinite;cursor:pointer}
.book-perspective:hover .book-3d{transform:rotateY(-14deg) rotateX(2deg) scale(1.04)}
@keyframes bookFloat{0%,100%{translate:0 0}50%{translate:0 -10px}}
.book-face{position:absolute;inset:0;border-radius:6px 10px 10px 6px;overflow:hidden;box-shadow:var(--shadow-book);
  background:linear-gradient(155deg,#222019,var(--book-color) 60%,#100f0a);border:1px solid rgba(0,0,0,.4);
  display:flex;flex-direction:column;justify-content:space-between;padding:30px 24px 24px 38px}
.book-face::before{content:"";position:absolute;inset:0 auto 0 0;width:9%;mix-blend-mode:overlay;
  background:linear-gradient(90deg,hsla(0,0%,100%,0),hsla(0,0%,100%,0) 12%,hsla(0,0%,100%,.18) 29%,hsla(0,0%,100%,0) 50%,hsla(0,0%,100%,0) 75%,hsla(0,0%,100%,.18) 91%,hsla(0,0%,100%,0)),
    linear-gradient(90deg,rgba(0,0,0,.1),rgba(0,0,0,.3) 12%,transparent 30%,rgba(0,0,0,.08) 50%,rgba(0,0,0,.35) 74%,rgba(0,0,0,.6) 76%,rgba(0,0,0,.2) 86%,transparent)}
.cover-gloss{position:absolute;inset:0;pointer-events:none;background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.16) 45%,transparent 60%);
  transform:translateX(-60%);animation:glossSweep 6s ease-in-out infinite}
@keyframes glossSweep{0%,55%{transform:translateX(-80%)}80%,100%{transform:translateX(120%)}}
.book-cover-v{height:42px;width:auto;position:relative}
.book-cover-tag{font-size:10px;letter-spacing:3px;text-transform:uppercase;color:var(--gold-muted);font-weight:700;margin-top:auto}
.book-cover-title{font-size:30px;font-weight:800;line-height:1.05;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;position:relative}
.book-cover-rule{height:1px;width:54px;background:linear-gradient(90deg,var(--gold),transparent);margin:5px 0}
.book-cover-foot{display:flex;align-items:center;gap:8px;color:var(--gold-muted);font-size:11.5px;font-weight:600}
.book-cover-foot .dot{width:7px;height:7px;border-radius:50%;background:var(--red)}
.book-pages{position:absolute;top:4px;height:calc(100% - 8px);width:calc(var(--d) - 2px);
  background:repeating-linear-gradient(90deg,#fff,#efe9da 1px,#fff 3px,#a59a82 0);
  transform:translateX(calc(300px - var(--d)/2 - 3px)) rotateY(90deg) translateX(calc(var(--d)/2))}
.book-back{position:absolute;inset:0;border-radius:6px 10px 10px 6px;background:var(--book-color);filter:brightness(.5);transform:translateZ(calc(-1*var(--d)))}

/* ================= folder 3D tri-fold (home) ================= */
.folder-stage{width:100%;display:flex;flex-direction:column;align-items:center;gap:20px;
  perspective:1500px;-webkit-perspective:1500px;user-select:none;-webkit-user-select:none}
.folder-3d{--pw:154px;--ph:316px;position:relative;width:var(--pw);height:var(--ph);transform-style:preserve-3d;
  transform:rotateX(6deg) rotateY(-26deg);cursor:grab;animation:folderFloat 6s ease-in-out infinite;touch-action:none}
.folder-3d.grabbing{cursor:grabbing;animation:none}
.folder-3d.open{animation:none}
@keyframes folderFloat{0%,100%{translate:0 0}50%{translate:0 -10px}}
.fpanel{position:absolute;top:0;width:var(--pw);height:var(--ph);transform-style:preserve-3d}
.fpanel--center{left:0}
/* margem negativa de 1px: os painéis se sobrepõem levemente e não sobra fresta entre eles */
.fpanel--left{right:100%;margin-right:-1px;transform-origin:right center;transform:rotateY(180deg) translateZ(-2px);
  transition:transform .75s cubic-bezier(.3,.9,.3,1)}
.fpanel--right{left:100%;margin-left:-1px;transform-origin:left center;transform:rotateY(-180deg) translateZ(-1px);
  transition:transform .75s cubic-bezier(.3,.9,.3,1)}
.folder-3d.open .fpanel--left{transform:rotateY(0deg)}
.folder-3d.open .fpanel--right{transform:rotateY(0deg)}
.fface{position:absolute;inset:0;border-radius:0;overflow:hidden;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.fface--out{transform:rotateY(180deg)}
/* faces do viewer de Folder (imagens do PDF, sem padding/cantos) */
.ffv{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;background-repeat:no-repeat;
  background-color:#fff}
.ffv--out{transform:rotateY(180deg)}
/* --- capa (fora) --- */
.fout{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:11px;
  background:linear-gradient(155deg,#211f18,var(--book-color) 55%,#0f0e0a);color:var(--gold)}
.fout::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg,transparent 40%,rgba(255,255,255,.08) 50%,transparent 60%)}
.fout svg{height:34px;width:auto}
.fout-name{font-weight:800;letter-spacing:3px;font-size:15px;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.fout-sub{font-size:8.5px;letter-spacing:2px;text-transform:uppercase;color:var(--gold-muted);font-weight:700}
.fout i{width:42px;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent)}
.fout--alt{background:linear-gradient(155deg,#1b1a13,#0e0d09)}
.fout--alt svg{height:30px;opacity:.85}
/* --- interior (papel) --- */
/* papel contínuo: sem borda e sem vinheta, para os 3 painéis lerem como uma peça só */
.fface--in{background:linear-gradient(180deg,#f6f1e8,#ece4d3);color:#221f18;padding:22px 17px;box-shadow:none}
.fin-brand{display:flex}
.fin-brand svg{height:26px}
.fin-title{font-weight:800;font-size:17px;line-height:1.16;margin-top:14px;letter-spacing:-.3px}
.fin-rule{height:2px;width:40px;background:var(--gold-deep);margin:13px 0;border-radius:2px}
.fin-text{font-size:11px;line-height:1.55;color:#4a463b}
.fin-text.sm{font-size:11.5px;margin-top:10px}
.fin-tag{position:absolute;bottom:16px;left:17px;right:17px;font-size:8px;letter-spacing:2px;text-transform:uppercase;color:#8a8064;font-weight:700}
.fin-h{font-weight:800;font-size:14px;color:var(--gold-deep)}
.fin-list{list-style:none;margin-top:14px;display:flex;flex-direction:column;gap:10px}
.fin-list li{font-size:11.5px;font-weight:600;color:#3a362d;padding-left:16px;position:relative}
.fin-list li::before{content:"";position:absolute;left:0;top:6px;width:6px;height:6px;border-radius:50%;background:var(--gold-deep)}
.fin-btn{margin-top:18px;display:inline-block;background:var(--gold-grad);color:#1b1a13;font-weight:800;font-size:12px;padding:8px 15px;border-radius:8px;letter-spacing:.4px}
.folder-hint{font-size:12px;color:var(--text-faint);display:inline-flex;align-items:center;gap:8px;opacity:.85;white-space:nowrap}
.folder-hint .drag-ic{color:var(--gold);font-weight:800}
@media (max-width:1080px){ .folder-3d{--pw:132px;--ph:272px} }
@media (max-width:860px){ .folder-3d{--pw:150px;--ph:308px} }
@media (max-width:440px){ .folder-3d{--pw:104px;--ph:214px} .fin-title{font-size:14px} .fout-name{font-size:13px} }

/* ================= LOADER ================= */
.loader-wrap{position:fixed;inset:0;z-index:80;display:none;align-items:center;justify-content:center;background:rgba(8,8,5,.9);backdrop-filter:blur(8px)}
.loader-wrap.show{display:flex}
.loader-card{text-align:center;width:min(380px,86vw)}
.loader-card .spin{width:54px;height:54px;border-radius:50%;margin:0 auto 22px;border:3px solid rgba(204,182,145,.15);border-top-color:var(--gold);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loader-card h3{font-size:17px;font-weight:700}
.loader-card p{color:var(--text-faint);font-size:13px;margin-top:6px}
.progress{height:6px;border-radius:99px;background:rgba(204,182,145,.12);margin-top:18px;overflow:hidden}
.progress>i{display:block;height:100%;width:0;border-radius:99px;background:var(--gold-grad);transition:width .25s}

/* ================= VIEWER ================= */
.viewer{display:none;flex-direction:column;height:100vh;height:100dvh;position:fixed;inset:0;z-index:20;
  background:radial-gradient(1000px 600px at 50% -5%,rgba(204,182,145,.08),transparent 60%),linear-gradient(180deg,var(--bg-0),var(--bg-2))}
.viewer.show{display:flex}
.viewer-top{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;gap:12px}
.viewer-title{display:flex;align-items:center;gap:10px;font-size:13.5px;font-weight:600;color:var(--text-dim);min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.viewer-title .logo svg{height:22px;width:auto;flex:0 0 auto}
.viewer-title #docName{overflow:hidden;text-overflow:ellipsis}
.viewer-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;justify-content:flex-end}
/* a topbar da home some quando o visualizador abre (evita logos sobrepostas) */
body.viewer-open .topbar{display:none}

.reader{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,300px) 1fr minmax(0,300px);gap:0;align-items:stretch}
.flip-area{position:relative;display:flex;align-items:center;justify-content:center;padding:6px 8px 2px;min-height:0;min-width:0}
/* touch-action:none => o turn.js captura todos os gestos (swipe/arraste) para virar a página */
#flipbook{touch-action:none}
.pg{touch-action:none}
/* sombra do solo */
.flip-area::after{content:"";position:absolute;bottom:4px;left:50%;transform:translateX(-50%);width:55%;height:22px;
  background:radial-gradient(ellipse,rgba(0,0,0,.6),transparent 70%);filter:blur(5px);z-index:0}

/* página (turn.js) */
.pg{position:relative;background:#fff;overflow:hidden}
.pg img{width:100%;height:100%;object-fit:cover;display:block;background:#fff;-webkit-user-drag:none;user-select:none}
.pg .paper{position:absolute;inset:0;pointer-events:none;mix-blend-mode:multiply;opacity:.18;
  background:var(--paper-tex);background-size:auto,auto,140% 140%}
/* capa e contracapa: textura ebook + reflexo */
.pg--cover img{filter:saturate(1.02)}
.pg--cover::before{content:"";position:absolute;inset:0;pointer-events:none;z-index:2;
  background:linear-gradient(115deg,transparent 38%,rgba(255,255,255,.14) 48%,transparent 58%),
    radial-gradient(120% 80% at 50% -10%,rgba(255,255,255,.12),transparent 55%);
  mix-blend-mode:screen}
.pg--cover .paper{opacity:.28;mix-blend-mode:overlay}

/* pin de comentário na página */
.pg-cmt-pin{position:absolute;top:10px;right:10px;z-index:5;width:34px;height:34px;border-radius:50%;border:none;cursor:pointer;
  display:grid;place-items:center;color:#1b1a13;background:linear-gradient(135deg,var(--gold-bright),var(--gold-deep));
  box-shadow:0 3px 10px rgba(0,0,0,.35);opacity:.85;transition:.18s}
.pg-cmt-pin:hover{opacity:1;transform:scale(1.08)}
.pg-cmt-pin svg{width:17px;height:17px}
.pg.has-cmt .pg-cmt-pin::after{content:"";position:absolute;top:-2px;right:-2px;width:11px;height:11px;border-radius:50%;background:var(--red);border:2px solid #fff}

/* botões laterais sutis */
.side-flip{position:absolute;top:50%;transform:translateY(-50%);z-index:6;width:46px;height:72px;border:none;cursor:pointer;
  display:grid;place-items:center;color:var(--gold);background:rgba(20,19,14,.55);border:1px solid var(--border);backdrop-filter:blur(6px);
  border-radius:14px;opacity:.6;transition:.2s}
.side-flip:hover{opacity:1;background:rgba(30,29,22,.85)}
.side-flip svg{width:22px;height:22px}
.side-flip--prev{left:10px}
.side-flip--next{right:10px}
.side-flip:disabled{opacity:.15;cursor:default}

/* ================= colunas de comentário (desktop) ================= */
.cmt-col{padding:10px 14px;overflow-y:auto;display:flex;flex-direction:column;gap:10px;min-height:0}
.cmt-col--left{border-right:1px solid var(--border)}
.cmt-col--right{border-left:1px solid var(--border)}
.cmt-head{display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;padding:4px 2px 8px;
  background:linear-gradient(180deg,var(--bg-1),rgba(15,15,11,.6));z-index:2}
.cmt-head h4{font-size:12px;font-weight:700;color:var(--gold);letter-spacing:.5px;text-transform:uppercase}
.cmt-add-btn{border:1px solid var(--border);background:rgba(204,182,145,.06);color:var(--gold);border-radius:8px;padding:5px 9px;font-size:11.5px;font-weight:600;cursor:pointer}
.cmt-add-btn:hover{background:rgba(204,182,145,.12)}
.cmt-empty{color:var(--text-faint);font-size:12.5px;padding:10px 2px;line-height:1.5}
.cmt-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:11px 12px}
.cmt-card .who{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:5px}
.cmt-card .who b{font-size:12.5px;color:var(--text)}
.cmt-card .who time{font-size:10.5px;color:var(--text-faint)}
.cmt-card .body{font-size:13px;color:var(--text-dim);line-height:1.5;white-space:pre-wrap;word-break:break-word}
.cmt-card .photos{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.cmt-card .photos img{width:64px;height:64px;object-fit:cover;border-radius:8px;border:1px solid var(--border);cursor:pointer}
.cmt-card .del{background:none;border:none;color:var(--text-faint);cursor:pointer;font-size:11px}
.cmt-card .del:hover{color:var(--red)}

/* composer */
.composer{background:var(--surface);border:1px solid var(--border-strong);border-radius:12px;padding:11px;display:flex;flex-direction:column;gap:8px}
.composer input.author{background:rgba(0,0,0,.25);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:8px 10px;font-size:12.5px;font-family:inherit}
.composer textarea{background:rgba(0,0,0,.25);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:9px 10px;font-size:13px;font-family:inherit;resize:vertical;min-height:64px;line-height:1.45}
.composer input:focus,.composer textarea:focus{outline:none;border-color:var(--gold)}
.composer .row{display:flex;align-items:center;gap:8px}
.composer .thumbs{display:flex;flex-wrap:wrap;gap:6px}
.composer .thumbs .th{position:relative;width:50px;height:50px;border-radius:7px;overflow:hidden;border:1px solid var(--border)}
.composer .thumbs .th img{width:100%;height:100%;object-fit:cover}
.composer .thumbs .th button{position:absolute;top:1px;right:1px;width:16px;height:16px;border-radius:50%;border:none;background:rgba(0,0,0,.7);color:#fff;font-size:10px;cursor:pointer;line-height:1}
.attach-btn{border:1px dashed var(--border-strong);background:transparent;color:var(--gold);border-radius:8px;padding:7px 10px;font-size:12px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.attach-btn svg{width:14px;height:14px}
.send-btn{margin-left:auto;border:none;border-radius:8px;padding:8px 16px;font-size:12.5px;font-weight:700;cursor:pointer;color:#1b1a13;background:var(--gold-grad)}
.send-btn:disabled{opacity:.5;cursor:default}

/* ================= controles ================= */
.controls{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px 18px;flex-wrap:wrap}
.ctrl-group{display:flex;align-items:center;gap:4px;background:rgba(204,182,145,.05);border:1px solid var(--border);border-radius:14px;padding:5px}
.ctrl{width:40px;height:40px;border-radius:10px;border:none;background:transparent;color:var(--text-dim);cursor:pointer;display:grid;place-items:center;transition:.18s;position:relative}
.ctrl:hover:not(:disabled){background:rgba(204,182,145,.12);color:var(--gold)}
.ctrl:disabled{opacity:.3;cursor:default}
.ctrl svg{width:18px;height:18px}
.ctrl--cmt .cmt-count{position:absolute;top:1px;right:1px;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:var(--red);color:#fff;font-size:10px;font-weight:700;display:grid;place-items:center}
.page-readout{min-width:96px;text-align:center;font-size:13px;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums;padding:0 6px}
.page-readout small{color:var(--text-faint);font-weight:500}
.page-input{width:46px;background:rgba(0,0,0,.3);border:1px solid var(--border);color:var(--gold);border-radius:8px;text-align:center;padding:6px 4px;font-size:13px;font-weight:700;font-family:inherit}
.page-input:focus{outline:none;border-color:var(--gold)}

/* ================= sheet mobile ================= */
.sheet-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:60;opacity:0;pointer-events:none;transition:.25s}
.sheet-backdrop.show{opacity:1;pointer-events:auto}
.cmt-sheet{position:fixed;left:0;right:0;bottom:0;z-index:61;background:var(--bg-2);border-top:1px solid var(--border-strong);
  border-radius:18px 18px 0 0;max-height:82vh;display:flex;flex-direction:column;transform:translateY(100%);transition:transform .3s cubic-bezier(.2,.8,.2,1);padding-bottom:env(safe-area-inset-bottom)}
.cmt-sheet.show{transform:translateY(0)}
.sheet-grip{width:40px;height:4px;border-radius:99px;background:var(--border-strong);margin:9px auto 4px}
.sheet-head{display:flex;align-items:center;justify-content:space-between;padding:6px 18px 10px}
.sheet-head strong{font-size:15px}
.sheet-close{background:none;border:none;color:var(--text-faint);font-size:18px;cursor:pointer}
.sheet-body{overflow-y:auto;padding:0 16px 18px;display:flex;flex-direction:column;gap:10px}

/* ================= toast ================= */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);z-index:90;background:#1c1a12;border:1px solid var(--border-strong);
  color:var(--gold-bright);padding:13px 18px;border-radius:12px;font-size:13.5px;opacity:0;pointer-events:none;transition:.3s;box-shadow:0 12px 40px rgba(0,0,0,.5);max-width:90vw}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{background:#2a1108;border-color:rgba(211,3,3,.45);color:#ffd9cf}

/* ================= modal Revista/Mockup ================= */
.type-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:70;opacity:0;pointer-events:none;transition:.25s;backdrop-filter:blur(4px)}
.type-backdrop.show{opacity:1;pointer-events:auto}
.type-modal{position:fixed;z-index:71;left:50%;top:50%;transform:translate(-50%,-46%) scale(.98);opacity:0;pointer-events:none;
  transition:.28s cubic-bezier(.2,.8,.2,1);width:min(620px,92vw);background:var(--surface);border:1px solid var(--border-strong);
  border-radius:20px;padding:28px 28px 30px;box-shadow:0 30px 90px rgba(0,0,0,.6)}
.type-modal.show{opacity:1;pointer-events:auto;transform:translate(-50%,-50%) scale(1)}
.type-close{position:absolute;top:15px;right:15px;width:32px;height:32px;border-radius:9px;border:1px solid var(--border);
  background:transparent;color:var(--text-faint);cursor:pointer;font-size:14px;transition:.2s}
.type-close:hover{color:var(--text);border-color:var(--border-strong);background:rgba(204,182,145,.06)}
.type-modal h2{font-size:20px;font-weight:800;letter-spacing:-.3px}
.type-file{display:flex;align-items:center;gap:8px;color:var(--text-faint);font-size:13px;margin-top:9px}
.type-file svg{width:15px;height:15px;color:var(--gold);flex:0 0 auto}
.type-file span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.type-options{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}
.type-opt{position:relative;text-align:left;display:flex;flex-direction:column;gap:9px;padding:20px 18px;border-radius:16px;cursor:pointer;
  border:1px solid var(--border);background:rgba(204,182,145,.03);color:var(--text);transition:.2s;font-family:inherit}
.type-opt:hover{border-color:var(--gold);background:rgba(204,182,145,.08);transform:translateY(-2px)}
.type-ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:#1b1a13;background:var(--gold-grad)}
.type-ic svg{width:22px;height:22px}
.type-name{font-size:16px;font-weight:700}
.type-desc{font-size:12.5px;color:var(--text-dim);line-height:1.5}
.type-badge{position:absolute;top:14px;right:14px;font-size:9.5px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;
  color:var(--gold);background:rgba(204,182,145,.12);border:1px solid var(--border-strong);padding:3px 9px;border-radius:99px}
@media (max-width:560px){ .type-options{grid-template-columns:1fr} }

/* ================= responsivo ================= */
@media (max-width:1080px){
  .reader{grid-template-columns:minmax(0,220px) 1fr minmax(0,220px)}
}
@media (max-width:860px){
  .hero{grid-template-columns:1fr;gap:30px;text-align:center}
  .book-side{order:-1}
  .feature-list{align-items:center}
  .dropzone,.hero-copy p{margin-left:auto;margin-right:auto}
}
/* mobile: esconde colunas laterais, usa sheet; pages em modo retrato */
@media (max-width:760px){
  .reader{grid-template-columns:1fr}
  .cmt-col{display:none}
  .viewer-title{max-width:60vw}
  .side-flip{width:40px;height:60px;opacity:.75}
  .controls{gap:6px;padding:10px 10px 16px}
  .ctrl{width:38px;height:38px}
  .page-readout{min-width:auto}
  .topbar{padding:12px 14px}
  .brand{font-size:15px}
  .viewer-top{padding:10px 12px}
  .viewer-actions{gap:6px}
  .viewer-actions .lbl{display:none}
  .viewer-actions .ghost-btn{padding:8px 10px}
  .expiry-badge{padding:7px 9px}
}
@media (min-width:761px){
  /* no desktop o pin/sheet some — comentários ficam nas colunas */
  .cmt-sheet,.sheet-backdrop{display:none}
  .ctrl--cmt{display:none}
}