:root{--pg-blue:#1264ff;--pg-blue2:#16b7ff;--pg-navy:#061426;--pg-navy2:#0b1c33;--pg-bg:#f3f7fc;--pg-card:#fff;--pg-border:#e3eaf3;--pg-text:#10213a;--pg-muted:#66788f;--pg-green:#079669}
*{box-sizing:border-box}
body{margin:0;background:var(--pg-bg);color:var(--pg-text);font:14px Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
a{text-decoration:none}
.shell{min-height:100vh;display:flex}
.sidebar{width:238px;flex:0 0 238px;min-height:100vh;background:linear-gradient(180deg,#061426,#0a1b31);color:white;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{height:90px;display:flex;align-items:center;gap:10px;padding:16px 18px;color:white;border-bottom:1px solid #ffffff13;font-weight:850;font-size:15px}
.brand img{width:43px;height:43px;max-width:43px;max-height:43px;object-fit:contain;flex:0 0 43px}
.brand b{color:#2bb5ff}
.brand small{display:block;color:#7f92ac;font-size:8px;letter-spacing:.17em;margin-top:5px}
.sidebar nav{padding:22px 11px;flex:1}
.nav-label{font-size:9px;letter-spacing:.15em;font-weight:850;color:#8293aa;padding:0 10px 9px}
.nav-link{display:flex;align-items:center;gap:11px;color:#aebbd0!important;padding:11px 12px;border-radius:10px;margin-bottom:4px;font-size:12px;font-weight:650}
.nav-link.active,.nav-link:hover{background:linear-gradient(90deg,#1264ff,#087ef3);color:white!important}
.sidebar-foot{padding:15px;border-top:1px solid #ffffff14;font-size:11px;color:#d7e1f0}
.sidebar-foot small{display:block;color:#7f92ac;margin-top:4px}
.main{min-width:0;flex:1}
.topbar{height:62px;background:#ffffffed;border-bottom:1px solid var(--pg-border);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:4}
.topbar strong{font-size:13px;font-weight:850}
.topbar small{display:block;font-size:10px;color:var(--pg-muted)}
.menu-btn{display:none;border:0;border-radius:9px;padding:8px 11px;background:#eef4ff;color:var(--pg-blue)}
.content{padding:26px 30px 36px;max-width:1540px;margin:auto;min-height:calc(100vh - 108px)}
footer{text-align:center;color:#8995a5;font-size:10px;padding:15px;border-top:1px solid var(--pg-border)}
.welcome{margin-bottom:23px}
.eyebrow{font-size:9px;text-transform:uppercase;letter-spacing:.15em;font-weight:850;color:var(--pg-blue);display:block;margin-bottom:8px}
.welcome h1,.page-head h1{font-size:27px;font-weight:850;letter-spacing:-.8px;margin:0 0 7px}
.welcome p,.page-head p{font-size:12px;color:var(--pg-muted);margin:0}
.study-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.study-card,.panel{background:#fff;border:1px solid var(--pg-border);border-radius:15px;box-shadow:0 5px 20px #10244109}
.study-card{padding:21px 20px 18px;display:flex;flex-direction:column;min-height:210px;color:var(--pg-text);transition:.15s}
.study-card:hover{transform:translateY(-2px);box-shadow:0 10px 28px #10244112;border-color:#bcd4ff}
.study-symbol{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:#eaf2ff;color:#175cd3;font-size:21px;font-weight:800;margin-bottom:16px}
.study-card h2{font-size:15px;font-weight:850;margin:0 0 8px}
.study-card p{font-size:11px;line-height:1.65;color:var(--pg-muted);margin:0 0 20px}
.study-cta{margin-top:auto;color:var(--pg-blue);font-size:11px;font-weight:800;display:flex;justify-content:space-between}
.section-head{display:flex;align-items:center;justify-content:space-between;margin:28px 0 12px}
.section-head h2{font-size:15px;font-weight:850;margin:0 0 3px}
.section-head p{font-size:10px;color:var(--pg-muted);margin:0}
.section-head>a{font-size:11px;font-weight:750;color:var(--pg-blue)}
.panel{padding:18px}
.empty{text-align:center;padding:28px 12px}
.empty-icon{margin:0 auto 10px;width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:#eaf2ff;color:var(--pg-blue);font-size:19px}
.empty h3,.empty h2{font-size:13px;font-weight:850;margin:0 0 5px}
.empty p{font-size:11px;color:var(--pg-muted);margin:0}
.recent{display:flex;gap:12px;align-items:center;padding:11px 2px;border-bottom:1px solid #edf0f4;color:var(--pg-text)}
.recent:last-child{border:0}
.recent-icon{width:34px;height:34px;border-radius:10px;background:#eaf2ff;color:var(--pg-blue);display:grid;place-items:center}
.recent span:nth-child(2){flex:1}
.recent b,.recent small{display:block}
.recent b{font-size:11px}
.recent small{font-size:9px;color:var(--pg-muted);margin-top:3px}
.note-banner{margin-top:20px;border:1px solid #dbe8ff;background:linear-gradient(110deg,#eef5ff,#fff);padding:15px 17px;border-radius:12px;display:flex;flex-direction:column;gap:4px}
.note-banner b{font-size:11px}
.note-banner span{font-size:10px;color:var(--pg-muted)}
.page-head{margin-bottom:20px}
.study-form{max-width:720px;padding:23px}
.study-form label,.auth-card label{display:block;font-size:11px;font-weight:750;margin-bottom:14px}
.form-control{font-size:13px;min-height:43px;border-radius:9px;border-color:#dbe1e9;margin-top:7px}
.form-control:focus{border-color:#70a8ff;box-shadow:0 0 0 3px #1264ff16}
.form-hint{font-size:11px;color:var(--pg-muted);margin:12px 0}
.btn{border-radius:9px;font-size:11px;font-weight:750;padding:10px 14px}
.btn-primary{background:linear-gradient(90deg,#0864e3,#1675ee);border-color:#0864e3}
.auth-wrap{min-height:calc(100vh - 170px);display:grid;place-items:center;padding:28px}
.auth-card{width:min(100%,420px);background:#fff;border:1px solid var(--pg-border);border-radius:18px;box-shadow:0 14px 48px #1024410c;padding:31px}
.auth-mark{font-size:25px;font-weight:900;color:var(--pg-blue);margin-bottom:13px}
.auth-mark span{color:#21b5ff}
.auth-card h1{font-size:25px;font-weight:850;letter-spacing:-.6px;margin:0 0 8px}
.auth-card>p{font-size:12px;color:var(--pg-muted);line-height:1.6;margin-bottom:20px}
.auth-card .btn{margin-top:5px}
.auth-switch{text-align:center;font-size:11px;color:var(--pg-muted);margin:17px 0}
.auth-switch a{color:var(--pg-blue);font-weight:800}
.trial-note{display:block;text-align:center;font-size:10px;color:#8a96a6;line-height:1.6}
@media(max-width:980px){.sidebar{width:210px;flex-basis:210px}.content{padding:24px 20px}.study-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.shell{display:block}.sidebar{position:fixed;left:0;top:0;bottom:0;width:248px;height:100dvh;z-index:20;transform:translateX(-105%);transition:transform .2s}.nav-open .sidebar{transform:translateX(0)}.nav-open:after{content:"";position:fixed;inset:0;background:#06142677;z-index:15}.menu-btn{display:block}.topbar{padding:0 16px}.content{padding:21px 15px 28px}.welcome h1,.page-head h1{font-size:23px}.study-grid{grid-template-columns:1fr}.study-card{min-height:175px;padding:18px}.study-symbol{margin-bottom:12px}.section-head{margin-top:24px}.auth-wrap{padding:8px}.auth-card{padding:24px 20px}}

.trial-status{display:flex;align-items:center;justify-content:space-between;gap:16px;background:linear-gradient(105deg,#eaf2ff,#fff);border:1px solid #d7e6ff;border-radius:12px;padding:13px 17px;margin-bottom:20px}
.trial-status b,.trial-status small{display:block}.trial-status b{font-size:12px;color:#12345a}.trial-status small{font-size:10px;color:#66788f;margin-top:3px}.trial-status a{font-size:11px;font-weight:800;color:#1264ff;white-space:nowrap}

/* v0.2.1 hotfix: auth pages must not inherit authenticated shell */
.auth-page{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;align-items:stretch;justify-content:center;padding:30px 20px;background:radial-gradient(circle at 100% 0%,#10305a 0,transparent 34%),radial-gradient(circle at 0% 100%,#082c49 0,transparent 32%),linear-gradient(135deg,#061426 0%,#071a33 48%,#09244a 100%);position:relative;overflow:hidden}
.auth-page:before,.auth-page:after{content:"";position:fixed;width:330px;height:330px;border:1px solid #147dca3b;border-radius:50%;pointer-events:none}
.auth-page:before{top:-205px;right:-90px}.auth-page:after{bottom:-225px;left:-70px}
.auth-page .auth-wrap{flex:1;width:100%;min-height:0;display:grid;place-items:center;padding:12px;position:relative;z-index:1}
.auth-page .auth-card{background:#08192e;border:1px solid #203e61;border-radius:21px;box-shadow:0 25px 80px #0003;color:#f3f7ff;width:min(100%,405px);padding:30px}
.auth-page .auth-card h1{color:#f6f9ff;text-align:center;font-size:24px}
.auth-page .auth-card>p{color:#9fb2cb;text-align:center}
.auth-page .auth-mark{text-align:center;font-size:0;margin:0 auto 20px;width:56px;height:60px;position:relative}
.auth-page .auth-mark:before{content:"";position:absolute;inset:0;background:url('/assets/prime-guardian-mark.svg') center/contain no-repeat}
.auth-page .auth-mark span{display:none}
.auth-page .eyebrow{text-align:center;color:#23b8ff;font-size:9px;margin-bottom:10px}
.auth-page .auth-card label{color:#dce7f6}
.auth-page .auth-card .form-control{background:#e8f0ff;border:1px solid #a9c6f1;color:#11213a;min-height:44px}
.auth-page .auth-card .btn-primary{background:linear-gradient(100deg,#0864e3,#1678f4);border-color:#1678f4;min-height:44px;box-shadow:0 9px 24px #005ee933}
.auth-page .auth-switch{color:#a9bad0}.auth-page .auth-switch a{color:#2abaff}
.auth-page .trial-note{color:#7f94af}
.auth-page .auth-footer{position:relative;z-index:1;background:transparent;border:0;color:#8094ad;padding:8px;text-align:center;font-size:10px}
@media(max-width:600px){.auth-page{padding:18px 12px}.auth-page .auth-card{padding:25px 21px}}

/* v0.2.3 — saved study library */
.study-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 16px;flex-wrap:wrap}
.study-actions form{margin:0}
.study-reading{padding:clamp(20px,4vw,40px);max-width:920px;margin:0 auto}
.study-reading h2{font-size:24px;color:#102849;margin-bottom:24px}
.study-reading h3{font-size:17px;color:#135ed4;margin:26px 0 10px}
.study-reading p,.study-reading li{font-size:14px;line-height:1.85;color:#34465f}
.study-reading ul{padding-left:22px}
.study-disclaimer{margin-top:32px;padding:14px;background:#f2f6fc;border-radius:10px;font-size:12px!important;color:#66788f!important}
.study-json{white-space:pre-wrap;overflow-wrap:anywhere;background:#f5f7fb;padding:14px;border-radius:10px;font-size:12px}

.study-form .form-hint{color:#66788f;font-size:12px;line-height:1.6;margin:12px 0 18px}.study-form .form-control{min-height:48px}


/* v0.3.0 — geração assistida e leitura editorial */
.generation-overlay{position:fixed;inset:0;z-index:10000;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 100% 0%,#10305a 0,transparent 36%),radial-gradient(circle at 0% 100%,#082c49 0,transparent 34%),linear-gradient(135deg,#061426 0%,#071a33 48%,#09244a 100%);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease,visibility .18s ease}
.generation-overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}
.generation-overlay:before,.generation-overlay:after{content:"";position:absolute;width:360px;height:360px;border:1px solid #147dca3b;border-radius:50%;pointer-events:none}
.generation-overlay:before{top:-230px;right:-100px}.generation-overlay:after{bottom:-245px;left:-100px}
.generation-dialog{position:relative;z-index:1;width:min(100%,460px);padding:38px 30px;text-align:center;border:1px solid #203e61;border-radius:22px;background:#08192e;color:#f3f7ff;box-shadow:0 25px 90px #0004}
.generation-mark{display:block;width:64px;height:64px;object-fit:contain;margin:0 auto 18px}
.generation-dialog .eyebrow{color:#23b8ff;margin-bottom:10px}
.generation-dialog h1{font-size:clamp(22px,4vw,29px);font-weight:850;letter-spacing:-.7px;color:#f6f9ff;margin:0 0 10px}
.generation-dialog p{font-size:13px;line-height:1.75;color:#b4c5dc;margin:0 auto;max-width:360px}
.generation-dialog small{display:block;font-size:11px;line-height:1.6;color:#8198b5;margin-top:12px}
.generation-dots{display:flex;justify-content:center;align-items:center;gap:9px;margin:25px auto 7px}
.generation-dots i{width:9px;height:9px;background:#23b8ff;border-radius:50%;animation:peb-pulse 1.05s ease-in-out infinite;opacity:.35}
.generation-dots i:nth-child(2){animation-delay:.16s}.generation-dots i:nth-child(3){animation-delay:.32s}
@keyframes peb-pulse{0%,80%,100%{transform:scale(.72);opacity:.32}40%{transform:scale(1.2);opacity:1}}
body.generation-pending{overflow:hidden}
button:disabled{opacity:.72;cursor:wait}
.reading-head{max-width:1190px;margin:2px auto 20px}
.reading-kicker{font-size:10px;font-weight:850;letter-spacing:.15em;color:var(--pg-blue);margin-bottom:10px}
.reading-kicker span{color:#9aaac0;padding:0 5px}
.reading-head h1{font-size:clamp(26px,3.3vw,39px);font-weight:900;line-height:1.15;letter-spacing:-1px;max-width:950px;margin:0 0 10px}
.reading-head>p{font-size:12px;color:var(--pg-muted);margin:0}
.reading-tools{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:18px}
.reading-tip{font-size:11px;color:var(--pg-muted)}
.reading-layout{display:grid;grid-template-columns:215px minmax(0,920px);gap:22px;align-items:start;justify-content:center}
.reading-toc{position:sticky;top:82px;padding:18px 15px;background:#ffffff;border:1px solid var(--pg-border);border-radius:14px;box-shadow:0 5px 20px #10244108}
.reading-toc>strong{font-size:9px;letter-spacing:.13em;color:#71839b;display:block;margin:0 0 12px}
.reading-toc nav{display:flex;flex-direction:column;gap:3px}
.reading-toc a{display:block;color:#43556d;font-size:11px;line-height:1.5;padding:8px 9px;border-radius:8px}
.reading-toc a:hover{color:var(--pg-blue);background:#edf4ff}
.study-reading{padding:clamp(18px,3.7vw,42px);min-width:0;overflow:hidden}
.reading-cover{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:-4px -4px 30px}
.reading-cover-placeholder{grid-column:1/-1;min-height:158px;padding:26px;border-radius:14px;background:radial-gradient(circle at 90% 10%,#1b6ab4 0,transparent 40%),linear-gradient(115deg,#07172d,#0b2b4e);color:white;display:flex;flex-direction:column;justify-content:center;gap:8px}
.reading-cover-placeholder .eyebrow{color:#47c3ff;margin:0}
.reading-cover-placeholder strong{font-size:clamp(19px,2.5vw,26px);line-height:1.2;max-width:640px}
.reading-cover-placeholder small{font-size:10px;color:#b3c8e0;max-width:600px}
.reading-cover.has-editorial-images .reading-cover-placeholder{display:none}
.editorial-image{margin:0;min-width:0;border:1px solid var(--pg-border);border-radius:12px;overflow:hidden;background:#f6f9fd}
.editorial-image>a{display:block;height:clamp(125px,17vw,205px);background:#e9eff7}
.editorial-image img{width:100%;height:100%;display:block;object-fit:cover}
.editorial-image figcaption{padding:9px 10px;font-size:9px;line-height:1.5;color:#61738a;overflow-wrap:anywhere}
.editorial-image figcaption a{font-weight:750;color:#135ed4}
.editorial-image figcaption small{font-size:9px}
.reading-summary{padding:0 0 24px;border-bottom:1px solid #e7edf5;margin-bottom:25px}
.reading-section-label{font-size:9px;letter-spacing:.14em;font-weight:900;color:var(--pg-blue);display:block;margin-bottom:8px}
.reading-summary h2{font-size:clamp(20px,2.5vw,27px);font-weight:850;line-height:1.3;color:#102849;margin:0 0 12px}
.reading-summary p{font-size:14px;line-height:1.9;color:#445771;margin:0}
.reading-body{max-width:760px;margin:auto}
.reading-section{position:relative;padding:0 0 25px;margin:0 0 27px;border-bottom:1px solid #edf1f6;scroll-margin-top:82px}
.reading-section-number{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:25px;padding:0 7px;border-radius:7px;background:#eaf2ff;color:#155ed4;font-size:10px;font-weight:900;margin-bottom:9px}
.study-reading .reading-section h3{font-size:clamp(18px,2vw,22px);font-weight:850;line-height:1.35;letter-spacing:-.35px;color:#1457ba;margin:0 0 13px}
.study-reading .reading-section p,.study-reading .reading-section li{font-size:14px;line-height:1.95;color:#354962}
.study-reading .reading-section p{margin:0 0 13px}
.study-reading .reading-section ul{padding-left:22px;margin:13px 0 0}
.study-reading .reading-section li{padding-left:3px;margin-bottom:7px}
.reading-end{padding:22px 23px;border:1px solid #dbe8ff;border-radius:13px;background:linear-gradient(115deg,#f0f6ff,#fff);scroll-margin-top:82px}
.reading-end h3{font-size:19px;font-weight:850;color:#102849;margin:0 0 14px}
.reading-end ol{padding-left:21px}.reading-end li{font-size:13px;line-height:1.8;color:#354962;margin-bottom:9px}
.reading-references{padding:13px 15px;margin-top:17px;background:#fff;border:1px solid #e3ebf5;border-radius:9px}
.reading-references strong{font-size:11px;color:#173d72}.reading-references p{font-size:11px;line-height:1.7;color:#5e7087;margin:5px 0 0}
.study-disclaimer{margin:19px 0 0;padding:12px 14px;border-radius:9px;background:#eaf1fa;color:#60738b;font-size:10px;line-height:1.65}
@media(max-width:1050px){.reading-layout{grid-template-columns:1fr;gap:12px}.reading-toc{position:static}.reading-toc nav{display:flex;flex-direction:row;flex-wrap:wrap}.reading-toc a{background:#f2f6fc}.reading-cover.has-editorial-images{grid-template-columns:repeat(2,minmax(0,1fr))}.editorial-image:last-child:nth-child(odd){grid-column:1/-1}.editorial-image:last-child:nth-child(odd) a{height:210px}}
@media(max-width:600px){.generation-dialog{padding:30px 22px}.reading-head h1{font-size:27px}.reading-tools{align-items:flex-start}.reading-tip{width:100%}.study-reading{padding:18px 16px}.reading-cover{grid-template-columns:1fr;margin-bottom:24px}.reading-cover.has-editorial-images{grid-template-columns:1fr}.editorial-image>a{height:210px}.editorial-image:last-child:nth-child(odd){grid-column:auto}.reading-cover-placeholder{min-height:175px;padding:21px}.reading-end{padding:19px 16px}}
@media(prefers-reduced-motion:reduce){.generation-overlay,.generation-dots i{transition:none;animation:none}}