/* Whitebook Web — layout fiel ao app Afya Whitebook */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root{
  --coral:#e74d57;        /* vermelho/coral dos ícones e marca */
  --coral-d:#cc3542;
  --coral-l:#fff0f1;
  --brand:#16213b;
  --brand-l:#eef2f8;
  --navy:#16213b;         /* azul escuro do estado ativo / avatar */
  --navy-d:#0d172e;
  --orange:#ed9b24;       /* laranja do banner / busca */
  --bg:#ffffff;
  --bg2:#f5f7fa;
  --ink:#202b3a;
  --ink2:#566579;
  --ink3:#8b98a9;
  --line:#e5e9ef;
  --line2:#d8dee7;
  --radius:14px;
  --shadow:0 1px 3px rgba(14,31,53,.05),0 8px 25px rgba(14,31,53,.04);
  --shadow-h:0 16px 38px rgba(14,31,53,.12);
  --sans:'Inter',system-ui,-apple-system,Segoe UI,sans-serif;
  --max:1120px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:linear-gradient(180deg,#fff 0,#fff 38rem,var(--bg2) 38rem);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}
svg{display:block}

/* ---------- Top nav ---------- */
.nav{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--max);margin:0 auto;height:66px;display:flex;align-items:center;padding:0 1.25rem;position:relative}
.brand{display:flex;align-items:center;gap:.55rem;flex-shrink:0}
.brand .mark{width:26px;height:26px;flex-shrink:0}
.brand-txt{font-size:1.02rem;letter-spacing:.01em;line-height:1}
.brand-txt .afya{color:var(--coral);font-weight:800;font-style:italic}
.brand-txt .wb{color:var(--ink);font-weight:700}

.nav-menu{position:absolute;left:50%;transform:translateX(-50%);display:flex;gap:2.2rem}
.nav-item{display:flex;flex-direction:column;align-items:center;gap:.25rem;color:var(--ink3);font-size:.72rem;font-weight:500;padding:.4rem 0;position:relative;cursor:pointer;background:none;border:none;font-family:inherit}
.nav-item svg{width:22px;height:22px;stroke:var(--ink3);fill:none;stroke-width:1.8}
.nav-item.active{color:var(--navy)}
.nav-item.active svg{stroke:var(--navy)}
.nav-item.active::after{content:"";position:absolute;bottom:-1px;left:50%;transform:translateX(-50%);width:26px;height:2.5px;background:var(--navy);border-radius:2px}
.nav-item.search svg{stroke:var(--orange)}
.nav-item.search.active svg{stroke:var(--orange)}
.nav-item:hover{color:var(--navy)}
.nav-item:hover svg{stroke:var(--navy)}
.nav-item.search:hover svg{stroke:var(--orange)}

.nav-sp{flex:1}
.nav-user{margin-left:auto}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;cursor:pointer;border:none}
.avatar svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:1.8}

/* login buttons when logged out */
.nav-auth{display:flex;gap:.6rem;margin-left:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;font-family:inherit;font-size:.85rem;font-weight:600;padding:.5rem 1rem;border-radius:8px;border:1px solid transparent;cursor:pointer;transition:.15s;white-space:nowrap}
.btn-ghost{background:transparent;color:var(--ink2)}
.btn-ghost:hover{color:var(--coral)}
.btn-primary{background:var(--coral);color:#fff}
.btn-primary:hover{background:var(--coral-d)}
.btn-line{border-color:var(--line2);color:var(--ink);background:#fff}
.btn-line:hover{border-color:var(--coral);color:var(--coral)}

/* ---------- Page container ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding:2.25rem 1.25rem 4.5rem;min-height:calc(100vh - 180px)}
.greet{font-size:clamp(2rem,4vw,3.25rem);font-weight:800;color:#fff;margin:.35rem 0 .65rem;letter-spacing:-.045em;line-height:1.05}
.home-hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,.7fr);gap:2rem;align-items:end;margin-bottom:1.35rem;padding:clamp(1.5rem,4vw,2.8rem);border-radius:24px;color:#fff;background:radial-gradient(circle at 88% 12%,rgba(231,77,87,.42),transparent 28%),linear-gradient(135deg,#101a31,#253653);box-shadow:0 24px 60px rgba(16,26,49,.18);overflow:hidden;position:relative}
.home-hero::after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(255,255,255,.1);border-radius:50%;right:-110px;bottom:-150px}
.home-hero-copy{position:relative;z-index:1}
.eyebrow{display:inline-flex;padding:.26rem .6rem;border:1px solid rgba(255,255,255,.2);border-radius:20px;color:#dfe6f1;font-size:.68rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.home-hero-copy>p{max-width:640px;color:#c6d0df;font-size:.95rem}
.hero-search{width:min(100%,620px);margin-top:1.25rem;padding:.85rem 1rem;display:flex;align-items:center;gap:.75rem;border:1px solid rgba(255,255,255,.22);border-radius:12px;background:#fff;color:var(--ink2);font:500 .86rem var(--sans);cursor:pointer;box-shadow:0 10px 28px rgba(0,0,0,.15);text-align:left}
.hero-search:hover,.hero-search:focus-visible{outline:3px solid rgba(255,255,255,.18);transform:translateY(-1px)}
.hero-search span{flex:1}.hero-search kbd{padding:.2rem .42rem;border:1px solid var(--line2);border-radius:5px;background:var(--bg2);color:var(--ink3);font:600 .64rem var(--sans)}
.home-stats{position:relative;z-index:1;display:grid;gap:.55rem}
.home-stats>div{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding:.7rem .85rem;border-bottom:1px solid rgba(255,255,255,.14)}
.home-stats strong{font-size:1.05rem;color:#fff}.home-stats span{font-size:.68rem;color:#b8c4d5;text-align:right}

/* ---------- Carousel banner ---------- */
.carousel{position:relative;margin-bottom:2.2rem}
.slide{display:flex;border:1px solid var(--line);border-radius:18px;overflow:hidden;min-height:140px;box-shadow:var(--shadow)}
.slide-txt{flex:1;background:linear-gradient(135deg,#eef0f6,#e4e7f0);padding:1.6rem 1.8rem;display:flex;flex-direction:column;justify-content:center;gap:.5rem}
.slide-txt h3{color:var(--orange);font-size:1.5rem;font-weight:800;letter-spacing:-.01em}
.slide-txt p{color:var(--ink2);font-size:.92rem;max-width:420px}
.slide-txt .cta{align-self:flex-start;margin-top:.5rem;border:1.5px solid var(--coral);color:var(--coral);border-radius:30px;padding:.5rem 1.2rem;font-size:.85rem;font-weight:600;transition:.15s}
.slide-txt .cta:hover{background:var(--coral);color:#fff}
.slide-img{width:38%;background:var(--navy) radial-gradient(circle at 70% 30%,#2b3f66,transparent 60%);display:grid;place-items:center;color:#fff;position:relative}
.slide-img .laptop{font-size:2.6rem;opacity:.9}
.dots{display:flex;gap:.4rem;justify-content:center;margin-top:.8rem}
.dot{width:8px;height:8px;border-radius:50%;background:var(--line2);cursor:pointer;transition:.15s;border:none;padding:0}
.dot.on{background:var(--ink)}

/* ---------- Sections + tile grid ---------- */
.grp-title{font-size:1.05rem;font-weight:800;color:var(--ink);margin:1.8rem 0 .9rem;letter-spacing:-.015em}
.tile-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:.85rem}
.tile{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:1rem .9rem;display:flex;flex-direction:column;gap:.9rem;min-height:118px;transition:transform .18s,border-color .18s,box-shadow .18s;cursor:pointer;box-shadow:var(--shadow)}
.tile:hover,.tile:focus-visible{border-color:rgba(234,84,85,.55);box-shadow:var(--shadow-h);transform:translateY(-3px);outline:none}
.tile .ico{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;background:var(--coral-l)}
.tile .ico img{width:24px;height:24px;object-fit:contain}
.tile .lbl{font-size:.78rem;font-weight:700;color:var(--ink);line-height:1.3;margin-top:auto;padding-right:1rem}
.tile-arrow{position:absolute;right:.8rem;bottom:.75rem;color:var(--ink3);font-size:.75rem;transition:.15s}
.tile:hover .tile-arrow{color:var(--coral);transform:translate(2px,-2px)}
.tile.locked::after{content:"🔒";position:absolute}

/* ---------- Accordion groups ---------- */
.acc{border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-head{width:100%;display:flex;align-items:center;gap:.7rem;background:none;border:none;padding:1.2rem .2rem;font-family:inherit;font-size:1.02rem;font-weight:750;color:var(--ink);cursor:pointer;text-align:left}
.acc-head .acc-count{margin-left:auto;min-width:1.7rem;padding:.08rem .45rem;border-radius:12px;background:var(--brand-l);color:var(--brand);font-size:.68rem;text-align:center}
.acc-head .chev{transition:transform .2s;color:var(--ink3);font-size:1.1rem}
.acc-item.open .acc-head .chev{transform:rotate(180deg)}
.acc-body{display:none;padding:0 .2rem 1.4rem}
.acc-item.open .acc-body{display:block}
.acc-body .tile-grid{margin-top:.2rem}

/* ---------- Search overlay ---------- */
.search-overlay{position:fixed;inset:0;background:rgba(255,255,255,.98);z-index:400;display:none;flex-direction:column;padding:1.5rem 1.25rem}
.search-overlay.open{display:flex}
.so-top{max-width:640px;margin:0 auto;width:100%;position:relative}
.so-top input{width:100%;padding:1rem 3rem 1rem 1.2rem;border:2px solid var(--line2);border-radius:12px;font-family:inherit;font-size:1.05rem;color:var(--ink);outline:none}
.so-top input:focus{border-color:var(--orange)}
.so-close{position:absolute;right:-2.6rem;top:50%;transform:translateY(-50%);background:none;border:none;font-size:1.6rem;color:var(--ink3);cursor:pointer}
.so-results{max-width:640px;margin:1rem auto 0;width:100%;overflow-y:auto}
.so-results a{display:block;padding:.8rem 1rem;border-bottom:1px solid var(--line);border-radius:8px}
.so-results a:hover{background:var(--bg2)}
.so-t{font-weight:600;font-size:.95rem;color:var(--ink)}
.so-m{font-size:.75rem;color:var(--ink3);margin-top:2px;text-transform:uppercase;letter-spacing:.03em}
.so-empty{padding:1.6rem 1.2rem;color:var(--ink2);text-align:center;font-size:1rem}
.so-empty span{display:block;margin-top:.4rem;font-size:.85rem;color:var(--ink3)}
.so-ico{position:absolute;left:1rem;top:50%;transform:translateY(-50%);font-size:1rem;opacity:.5;pointer-events:none}
.so-top input{padding-left:2.6rem}
.so-hint{max-width:640px;margin:.2rem auto .4rem;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink3);font-weight:700}
.so-chips{display:flex;flex-wrap:wrap;gap:.5rem}
.so-chip{padding:.5rem .9rem;border:1px solid var(--line2);border-radius:20px;background:#fff;color:var(--brand);font-family:inherit;font-size:.85rem;font-weight:600;cursor:pointer;transition:.15s}
.so-chip:hover{background:var(--orange);border-color:var(--orange);color:#fff}
.so-row.active,.so-row:hover{background:var(--bg2)}
.so-t mark{background:#ffe6a8;color:inherit;border-radius:3px;padding:0 1px}

/* inline home search dropdown (fallback) */
.search-drop{position:absolute;top:calc(100% + 8px);left:0;right:0;background:#fff;border-radius:12px;box-shadow:0 16px 44px rgba(0,0,0,.14);text-align:left;max-height:360px;overflow-y:auto;z-index:60;display:none;border:1px solid var(--line)}
.search-drop.open{display:block}
.sd-item{display:block;padding:.7rem 1.1rem;border-bottom:1px solid var(--line);color:var(--ink)}
.sd-item:last-child{border-bottom:none}
.sd-item:hover{background:var(--bg2)}
.sd-t{font-weight:600;font-size:.92rem}
.sd-m{font-size:.72rem;color:var(--ink3);margin-top:2px;text-transform:uppercase;letter-spacing:.03em}
.sd-empty{padding:1rem 1.1rem;color:var(--ink3);font-size:.9rem}

/* ---------- Category page ---------- */
.cat-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.35rem;flex-wrap:wrap}
.cat-header h1{font-size:clamp(1.55rem,4vw,2.15rem);font-weight:750;color:var(--ink);display:flex;align-items:center;gap:.75rem;letter-spacing:-.025em}
.cat-header h1 .cico{width:38px;height:38px;display:grid;place-items:center}
.cat-header h1 .cico img{width:38px;height:38px;object-fit:contain}
.cat-desc{margin:-.65rem 0 1.2rem;color:var(--ink2);font-size:.95rem;max-width:720px}
.collection-summary{display:inline-flex;align-items:baseline;gap:.45rem;margin:0 0 1.25rem;padding:.45rem .75rem;border-radius:9px;background:var(--brand-l);color:var(--brand)}
.collection-summary strong{font-size:1rem}.collection-summary span{font-size:.76rem;font-weight:600;color:var(--ink2)}
.sec-count{margin-left:auto;margin-right:.7rem;background:var(--brand-l);color:var(--brand);font-size:.72rem;font-weight:700;border-radius:12px;padding:.12rem .55rem}
.cat-search{position:relative;min-width:260px}
.cat-search input{width:100%;padding:.6rem 2.4rem .6rem 1rem;border:1px solid var(--line2);border-radius:10px;font-family:inherit;font-size:.88rem;outline:none;background:var(--bg2)}
.cat-search input:focus{border-color:var(--coral);background:#fff}
.cat-search .si{position:absolute;right:.9rem;top:50%;transform:translateY(-50%);color:var(--ink3)}

.crumb{display:flex;align-items:center;gap:.45rem;flex-wrap:wrap;font-size:.8rem;color:var(--ink3);margin-bottom:1.2rem}
.crumb a:hover{color:var(--coral)}
.crumb .sep{color:var(--line2)}
.crumb .cur{color:var(--ink);font-weight:600}

/* section accordion (category page) */
.sec{border:1px solid var(--line);border-radius:13px;margin-bottom:.7rem;background:#fff;overflow:hidden;box-shadow:var(--shadow)}
.sec-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:.7rem;background:#fff;border:none;padding:1rem 1.05rem;font-family:inherit;font-size:1rem;font-weight:700;color:var(--ink);cursor:pointer;text-align:left;transition:.15s}
.sec-head:hover{background:#fafbfc}.sec.open .sec-head{background:var(--brand-l);color:var(--brand)}
.sec-head .chev{transition:transform .2s;color:var(--ink3)}
.sec.open .sec-head .chev{transform:rotate(180deg)}
.sec-body{display:none;padding:.15rem .9rem .65rem}
.sec.open .sec-body{display:block}
.art-row{display:flex;align-items:center;gap:.7rem;padding:.72rem .45rem;border-top:1px solid var(--line);color:var(--ink);font-size:.9rem;transition:.12s}
.art-row:hover,.art-row:focus-visible{color:var(--coral);padding-left:.75rem;outline:none}
.art-row .doc{color:var(--coral);opacity:.6;flex-shrink:0}
.art-row .arr{margin-left:auto;color:var(--ink3);opacity:0;transition:.12s}
.art-row:hover .arr{opacity:1}
.empty{padding:3rem 1rem;text-align:center;color:var(--ink3)}
.loading-state{min-height:180px;display:grid;place-items:center;align-content:center;gap:.75rem;color:var(--ink3);font-size:.86rem}
.loading-spinner{width:30px;height:30px;border:3px solid var(--line2);border-top-color:var(--coral);border-radius:50%;animation:spin .75s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.status-card{max-width:620px;margin:2rem auto;padding:1.4rem;border:1px solid var(--line);border-radius:14px;background:#fff;text-align:center;box-shadow:var(--shadow)}
.status-card strong{display:block;font-size:1rem;color:var(--ink);margin-bottom:.35rem}
.status-card p{color:var(--ink2);font-size:.86rem;margin-bottom:1rem}
.status-card a,.status-card button{display:inline-flex;border:0;border-radius:9px;padding:.58rem .9rem;background:var(--brand);color:#fff;font:650 .8rem var(--sans);cursor:pointer}
.status-error{border-color:#f1d1d1;background:#fffafa}

/* ---------- Footer ---------- */
.foot{border-top:1px solid var(--line);background:var(--bg2);margin-top:2rem}
.foot-in{max-width:var(--max);margin:0 auto;padding:2rem 1.25rem;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center;color:var(--ink3);font-size:.8rem}
.foot-in .disc{max-width:620px;line-height:1.5}

/* ---------- Auth modal ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(20,30,50,.5);backdrop-filter:blur(3px);z-index:500;display:none;align-items:center;justify-content:center;padding:1rem}
.modal-bg.open{display:flex}
.modal{background:#fff;border-radius:16px;width:100%;max-width:400px;padding:2rem 1.8rem;box-shadow:0 24px 70px rgba(0,0,0,.3);animation:pop .2s ease;position:relative}
@keyframes pop{from{transform:translateY(12px) scale(.98);opacity:0}to{transform:none;opacity:1}}
.modal .mhead{text-align:center;margin-bottom:1.3rem}
.modal .mhead .mark{width:48px;height:48px;margin:0 auto .7rem}
.modal h3{font-size:1.25rem;font-weight:800;letter-spacing:-.01em}
.modal .sub{color:var(--ink2);font-size:.86rem;margin-top:.2rem}
.field{margin-bottom:.9rem}
.field label{display:block;font-size:.78rem;font-weight:600;color:var(--ink2);margin-bottom:.35rem}
.field input{width:100%;padding:.7rem .85rem;border:1px solid var(--line2);border-radius:9px;font-family:inherit;font-size:.92rem;color:var(--ink);outline:none;transition:.15s;background:var(--bg2)}
.field input:focus{border-color:var(--coral);background:#fff;box-shadow:0 0 0 3px var(--coral-l)}
.modal .btn-primary{width:100%;padding:.75rem;font-size:.95rem;margin-top:.3rem}
.modal .err{background:#fdecec;color:#c0392b;font-size:.82rem;padding:.55rem .8rem;border-radius:8px;margin-bottom:.9rem;display:none}
.modal .err.show{display:block}
.modal .tabs{display:flex;background:var(--bg2);border-radius:10px;padding:4px;margin-bottom:1.3rem}
.modal .tabs button{flex:1;border:none;background:transparent;padding:.5rem;border-radius:7px;font-family:inherit;font-weight:600;font-size:.86rem;color:var(--ink2);cursor:pointer}
.modal .tabs button.on{background:#fff;color:var(--coral);box-shadow:var(--shadow)}

/* user menu dropdown */
.umenu{position:absolute;right:1.25rem;top:64px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-h);min-width:220px;padding:.5rem;display:none;z-index:200}
.umenu.open{display:block}
.umenu .uinfo{padding:.7rem .8rem;border-bottom:1px solid var(--line);margin-bottom:.3rem}
.umenu .uinfo .un{font-weight:700;font-size:.92rem}
.umenu .uinfo .ue{font-size:.76rem;color:var(--ink3)}
.umenu a,.umenu button{display:block;width:100%;text-align:left;padding:.6rem .8rem;border-radius:8px;font-size:.86rem;color:var(--ink2);background:none;border:none;font-family:inherit;cursor:pointer}
.umenu a:hover,.umenu button:hover{background:var(--bg2);color:var(--coral)}

/* ---------- Responsive ---------- */
@media(max-width:820px){
  .home-hero{grid-template-columns:1fr}.home-stats{grid-template-columns:repeat(3,1fr)}.home-stats>div{display:grid;justify-content:start}.home-stats span{text-align:left}
  .tile-grid{grid-template-columns:repeat(4,1fr)}
  .nav-menu{gap:1.3rem}
  .slide-img{width:34%}
}
@media(max-width:560px){
  .wrap{padding:1.2rem .9rem 3.5rem}.home-hero{padding:1.4rem;border-radius:18px}.home-stats{grid-template-columns:1fr}.home-stats>div{display:flex}.home-stats span{text-align:right}.hero-search kbd{display:none}
  .tile-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:.6rem}
  .tile{min-height:94px;padding:.8rem .7rem}.tile .lbl{font-size:.72rem}
  .nav-menu{position:static;transform:none;order:3;width:100%;justify-content:space-around;padding-top:.4rem}
  .nav-in{flex-wrap:wrap;height:auto;padding:.6rem 1rem}
  .slide{flex-direction:column}
  .slide-img{width:100%;min-height:90px}
  .greet{font-size:1.4rem}
  .cat-header{align-items:stretch}.cat-search{width:100%;min-width:0}
  .sec-head{padding:.9rem}.sec-body{padding-inline:.6rem}
  .art-row{font-size:.84rem}
}
@media(max-width:400px){ .tile-grid{grid-template-columns:repeat(2,1fr)} }