:root{--navy:#153e50;--gold:#b29351;--cream:#f4e7c8;--light:#eaf3f7;--ink:#28424f;--muted:#758792;--line:#e1e9ed;--reading-size:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f6f9fb;color:var(--ink);font:15px/1.65 Arial,Helvetica,sans-serif;-webkit-user-select:none;user-select:none}button,input,select{font:inherit}input{user-select:text;-webkit-user-select:text}button,a,input,select{touch-action:manipulation}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0;border-radius:9px;background:var(--navy);color:white;padding:12px 20px;font-size:13px;font-weight:600}button:hover{filter:brightness(1.1)}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid 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/* Paleta ISIS PREVI: azul profundo e dourado, conforme o post de referência. */
:root{--navy:#062d51;--gold:#dcb75b;--cream:#ffedac;--light:#edf3f8;--ink:#173952;--muted:#708396;--line:#dce5ed}
body{background:radial-gradient(ellipse at 85% 0%,#104b79 0%,#062d51 34%,#041e38 85%);background-attachment:fixed}
.sidebar{background:linear-gradient(165deg,#07355d,#031b33);border-right:1px solid #cba44f55;color:#fff}
.brand{color:#fff}.spark{color:#f1d27e}.nav-label{color:#d8cda9}nav a,nav button{color:#eef5fb;background:transparent}nav a{background:#15446b;border:1px solid #d7b86455}nav button:hover{background:#15446b}nav button span{color:#ead18a}
.side-progress{color:#eaf3fb}.side-progress .bar{background:#235071}.bar i{background:linear-gradient(90deg,#b98d31,#ffe99b,#c89d3d)}.side-progress small,.side-bottom small{color:#afc5d9}.side-bottom .eyebrow{color:#e8cb7a}.side-bottom p{color:#e7eef5}
header{background:#041f3acc;border-bottom:1px solid #dfbc6255}.breadcrumb{color:#adc4d7}.breadcrumb b{color:#fff}.breadcrumb span{color:#dfc477}
.install,.hero button{background:linear-gradient(115deg,#d7aa43,#ffed9f 47%,#cf9c35);border:1px solid #ffe397;color:#062440;box-shadow:0 4px 14px #0002}
.hero{background:radial-gradient(ellipse at 90% 30%,#145c8c 0%,#07355b 47%,#031c35 100%);border:1px solid #d6b45b77;box-shadow:0 16px 35px #00132944}.hero h1 em{color:#f4d680}.hero .eyebrow{color:#f0d68c}.hero p{color:#d0e1ef}.hero .secondary-link{color:#f0d68c}.cover-art:before{border-color:#e1c26e66}.cover-art span{background:linear-gradient(110deg,#f8e6a3,#d9b35b);border:1px solid #ffe9a5;color:#082c4c}
.fact{background:#0c3558;border-color:#416182}.fact strong{color:#fff}.fact small{color:#b9ccdd}.fact-icon{background:#16466d;color:#f0d181}
.section-head h2{color:#fff}.section-head .sub{color:#b2c8da}.section-head .text-button{color:#f1d080}.topic{background:linear-gradient(135deg,#0b365b,#062748);border-color:#536a78;box-shadow:0 5px 16px #00182c22}.topic:hover{border-color:#e1bf68;box-shadow:0 10px 25px #00162955}.topic h3{color:#fff}.topic p{color:#c0d2e2}.topic .num{color:#efd17e}.topic .pill{background:#1b4565;color:#e5d296}.topic .bottom{border-color:#55718a77;color:#f0d181}
.method{background:linear-gradient(120deg,#092b49,#0e4169);border-color:#cfaa52aa}.method .eyebrow{color:#efd27f}.method p{color:#fff0be}
.back{color:#c9d9e7}.reader-head h1{color:#fff}.reader-head .eyebrow{color:#f0d48a}.reader-head .secondary{background:#123e62;color:#f0d58e;border-color:#a38a50}.reader-label{color:#c5d7e6}.toolbar{background:#0e3557;border-color:#5a7288}.segments{background:#062744}.segments button{color:#c8dae8}.segments button.active{background:linear-gradient(110deg,#f6e3a4,#d9b45c);color:#072944}.font-controls span{color:#e1d4b0}.font-controls .icon-btn{background:#1c486b;color:#ffdf87}.reading-area{border-color:#d7be7f;box-shadow:0 10px 30px #00152633}.reading-area .source-heading,.reading-area .source-paragraph strong{color:#073b65}
.page-nav .secondary{background:#173e5e;color:#e9f1f8;border-color:#61798d}.page-nav>button:not(.secondary){background:linear-gradient(115deg,#d9af4f,#ffeba2,#cca03d);color:#062440;border:1px solid #f4d47c}.page-nav .page-select{color:#ccdeec}.mark-row button{color:#f4d789;border-color:#b89a55;background:#0b3152}.mark-row button.done{color:#d8f1df;background:#184c41;border-color:#6f9988}.original-wrap{background:#092a46;border-color:#c4a45d}
main{padding-bottom:48px}