/* DevZero — responsive UI, sem dependências externas. */
:root{color-scheme:dark;--bg:#080e1b;--surface:#101a2c;--panel:#111d31;--panel2:#142039;--line:#26354c;--text:#f3f7ff;--muted:#a0afc7;--faint:#788ba8;--aqua:#56ebcd;--blue:#7da4ff;--gold:#ffd27f;--shadow:0 24px 75px rgba(0,0,0,.22)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font:15px/1.65 Inter,"Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}::selection{background:#56ebcd66;color:var(--text)}h1,h2,h3,p{margin:0}h1,h2,h3{letter-spacing:-.04em;line-height:1.18}p{color:var(--muted)}.ambient{position:absolute;z-index:-1;pointer-events:none;filter:blur(45px);opacity:.32}.ambient-one{top:20px;left:-160px;width:500px;height:430px;border-radius:50%;background:radial-gradient(ellipse,#145887 10%,transparent 70%)}.ambient-two{top:50px;right:-240px;width:650px;height:520px;border-radius:50%;background:radial-gradient(ellipse,#18524f 6%,transparent 70%)}
.topbar{position:sticky;top:0;z-index:30;background:rgba(8,14,27,.89);border-bottom:1px solid #233149a6;backdrop-filter:blur(18px)}.topbar-inner{max-width:1230px;margin:auto;min-height:76px;display:flex;align-items:center;gap:45px;padding:0 24px}.brand{display:inline-flex;align-items:center;gap:12px;font-weight:900;font-size:24px;letter-spacing:-1.4px;white-space:nowrap}.brand-mark{background:linear-gradient(135deg,#56ebcd,#65b0fc);color:#052333;font-size:14px;letter-spacing:-2px;padding:9px 9px;border-radius:12px;box-shadow:0 7px 24px #47d4cb2e}.brand-accent{color:var(--aqua)}.brand-dot{color:var(--gold);margin-left:-9px}.navlinks{display:flex;gap:29px;align-self:stretch;align-items:center}.navlink{height:100%;display:flex;align-items:center;color:var(--muted);font-size:14px;font-weight:650;border-bottom:2px solid transparent}.navlink:hover,.navlink.active{color:var(--text)}.navlink.active{border-color:var(--aqua)}.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}.theme-button{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--text);font-size:22px}.theme-button:hover{border-color:var(--aqua)}.xp-pill{white-space:nowrap;background:#1b2c3a;border:1px solid #3c675e;border-radius:50px;color:#e9fff5;font-weight:800;font-size:13px;padding:7px 12px}.xp-star{color:var(--gold);padding-right:4px}.avatar{background:linear-gradient(135deg,#4678bd,#6cd5b9);color:#06253c;border-radius:13px;width:35px;height:35px;display:grid;place-items:center;font-weight:850}.main-container{max-width:1230px;min-height:65vh;padding:40px 24px 98px;margin:0 auto;position:relative}.footer{border-top:1px solid var(--line);padding:37px 24px;background:#09111f}.footer-inner{max-width:1180px;margin:auto;display:flex;justify-content:space-between;gap:25px}.footer-logo{font-size:19px;font-weight:900;letter-spacing:-1px;color:var(--aqua)}.footer p{font-size:13px;margin-top:4px}.footer-links{display:flex;gap:28px;align-items:center;color:var(--faint);font-size:13px}.footer-links a:hover{color:var(--aqua)}
.btn{border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:13px;border-radius:12px;padding:12px 21px;font-size:14px;line-height:1.3;font-weight:800;white-space:nowrap;transition:transform .18s,border-color .18s,background .18s}.btn:not(.btn-disabled):hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(120deg,#65f4d4,#4edbc2);color:#082432;box-shadow:0 10px 32px #36d6ac28}.btn-primary:hover{background:#83f6df}.btn-outline{background:#142135b3;border-color:#3c5269;color:#e7f3ff}.btn-outline:hover{border-color:var(--aqua)}.btn-ghost{color:var(--text)}.btn-large{padding:16px 24px}.btn-small{padding:10px 15px}.btn-block{width:100%}.btn-disabled{background:#253449;color:#9bacc4;cursor:not-allowed;border-color:#30415a}.eyebrow{color:var(--aqua);letter-spacing:.12em;text-transform:uppercase;font-size:11px;font-weight:850}.live-dot{display:inline-block;background:var(--aqua);height:7px;width:7px;border-radius:50%;margin-right:8px;box-shadow:0 0 0 4px #4ae3bd27}
.hero{display:grid;grid-template-columns:1.02fr 1fr;align-items:center;gap:65px}.hero-landing{min-height:570px;padding:28px 0 16px}.hero-copy h1{margin:21px 0 25px;font-size:clamp(46px,5vw,72px);line-height:1.12;letter-spacing:-.07em}.highlight-text{background:linear-gradient(115deg,#55e4cb,#88b0ff);background-clip:text;-webkit-background-clip:text;color:transparent}.hero-copy>p{font-size:17px;line-height:1.8;max-width:520px}.hero-buttons{display:flex;flex-wrap:wrap;gap:14px;margin:29px 0 39px}.hero-stats{display:flex;gap:28px;border-top:1px solid var(--line);max-width:500px;padding-top:25px}.hero-stats div{display:flex;flex-direction:column;min-width:100px}.hero-stats strong{font-size:25px;line-height:1.1;letter-spacing:-.03em}.hero-stats span{font-size:12px;color:var(--faint);margin-top:7px}.hero-terminal{position:relative;border:1px solid #344965;border-radius:20px;background:linear-gradient(165deg,#13213a,#10182a 68%);box-shadow:0 32px 90px #03080e80,0 0 75px #1cbda915;transform:rotate(1deg)}.terminal-head{height:58px;border-bottom:1px solid #293a54;display:flex;align-items:center;justify-content:space-between;padding:0 20px;color:#8da0bd;font-size:12px;font-family:monospace}.traffic{display:flex;gap:6px}.traffic i{width:10px;height:10px;border-radius:50%;background:#f47777}.traffic i:nth-child(2){background:#f6c76e}.traffic i:nth-child(3){background:#61cea6}.terminal-badge{color:var(--aqua);background:#1c4446;padding:5px 8px;border-radius:5px;font-size:10px;font-weight:850}.terminal-code{padding:31px 22px 32px;font-size:14px;line-height:2.35;white-space:nowrap;font-family:"Cascadia Code",Consolas,monospace;overflow:auto}.ln{display:inline-block;width:38px;color:#546b85}.kw{color:#aa9dff}.fn{color:#7ce2f8}.str{color:#f9d083}.comment{color:#64836d}.terminal-output{padding:22px;border-top:1px solid #2b4059;background:#0d192a;border-radius:0 0 20px 20px;display:flex;flex-direction:column;gap:10px}.terminal-output>span{font-size:11px;font-weight:800;letter-spacing:.1em;color:#7898a2}.terminal-output strong{font:15px Consolas,monospace;color:#a5f8d3}.cursor{color:#62d2ad}.floating-label{position:absolute;right:-15px;bottom:-29px;background:#273a35;border:1px solid #4c9b7c;box-shadow:0 9px 30px #0005;border-radius:12px;padding:11px 16px;color:#bffde6;font-size:12px;font-weight:800;transform:rotate(-3deg)}.section.spaced{margin-top:60px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:27px}.section-heading h2{font-size:clamp(28px,3vw,39px);margin:7px 0 10px}.section-heading p{font-size:14px}
.module-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:21px}.module-card{border:1px solid var(--line);border-radius:19px;padding:29px;min-height:233px;background:linear-gradient(150deg,#16243b,#101b2d);position:relative;transition:transform .2s,border-color .2s}.module-card:hover{transform:translateY(-3px);border-color:#367875}.module-topline{display:flex;justify-content:space-between;align-items:center}.module-number{font-weight:900;letter-spacing:.1em;font-size:11px;color:var(--aqua)}.module-icon{font-size:29px;line-height:1;color:#88f7d7}.module-card h3{font-size:24px;margin:17px 0 10px}.module-card p{font-size:14px;max-width:400px}.module-card-footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;border-top:1px solid #2c3e55;padding-top:18px;margin-top:25px;font-size:12px;color:var(--faint)}.reward-mini{color:var(--gold);font-weight:750}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:21px;margin:70px 0 5px}.feature-grid article{padding:23px 16px;border-left:1px solid var(--line)}.feature-icon{display:block;color:var(--aqua);font-size:32px;font-weight:800;margin-bottom:12px}.feature-grid h3{font-size:18px;margin-bottom:10px}.feature-grid p{font-size:13px}
.welcome{display:flex;align-items:end;justify-content:space-between;gap:25px;margin:15px 0 37px}.welcome h1{font-size:clamp(32px,4vw,48px);margin:6px 0 7px}.welcome p{font-size:16px}.hand{display:inline-block;color:var(--gold);font-size:22px;vertical-align:top;margin-left:7px}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.stat-card{border:1px solid var(--line);background:linear-gradient(145deg,#16243b,#111b2f);padding:25px;border-radius:17px;display:flex;flex-direction:column;gap:11px}.stat-card>span{font-size:11px;letter-spacing:.1em;color:#9db0cc;font-weight:800}.stat-card strong{font-size:35px;letter-spacing:-.05em;line-height:1.2}.stat-card strong b{font-size:25px;color:var(--gold);font-weight:500}.stat-card strong em{font-size:20px;font-style:normal;color:var(--faint)}.stat-card small{font-size:12px;color:var(--faint)}.dashboard-heading{margin-top:51px}.course-list{display:flex;flex-direction:column;gap:18px}.course-card{border:1px solid var(--line);border-radius:18px;background:var(--panel);padding:26px;display:flex;gap:25px;align-items:center}.course-locked{opacity:.69}.course-symbol{width:77px;height:83px;flex-shrink:0;display:grid;place-items:center;border:1px solid #337776;background:linear-gradient(135deg,#1a595c,#183047);border-radius:17px;color:#8bfff0;font-size:28px;font-weight:900}.course-body{flex:1;min-width:0}.course-label{font-size:11px;letter-spacing:.12em;color:var(--aqua);font-weight:850}.status-label{margin-left:14px;color:var(--muted);letter-spacing:normal}.course-body h3{font-size:23px;margin:7px 0}.course-body p{font-size:13px}.course-progress{margin-top:21px;max-width:550px}.progress-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:7px}.progress-meta strong{color:var(--aqua)}.progress{display:block;height:8px;width:100%;appearance:none;border:none;border-radius:30px;overflow:hidden;background:#293b4f}.progress::-webkit-progress-bar{background:#293b4f}.progress::-webkit-progress-value{background:linear-gradient(90deg,#409cca,#5df1cc);border-radius:30px}.progress::-moz-progress-bar{background:linear-gradient(90deg,#409cca,#5df1cc);border-radius:30px}.course-cta{margin-left:auto}.locked-caption{font-size:12px;color:var(--faint)}
.back-link{display:inline-block;color:var(--muted);font-size:13px;font-weight:700;margin:1px 0 32px}.back-link:hover{color:var(--aqua)}.module-heading{display:grid;grid-template-columns:1fr 225px;gap:35px;align-items:center;border:1px solid var(--line);border-radius:20px;padding:34px 37px;background:linear-gradient(105deg,#15303d,#101b30 65%);margin:0 0 50px}.module-heading h1{font-size:clamp(34px,4vw,47px);margin:8px 0 10px}.module-heading p{font-size:15px}.module-progress-detail{margin:31px 0 11px;display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.module-progress-detail span{color:var(--aqua);font-weight:800}.badge-preview{background:#1d303e;border:1px solid #3f786f;border-radius:17px;padding:19px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px}.badge-art{color:var(--gold);font-size:54px;line-height:1.2}.badge-preview>span:nth-child(2){font-size:10px;color:var(--muted);font-weight:850;letter-spacing:.1em}.badge-preview strong{font-size:15px}.badge-preview small{color:var(--gold);font-size:11px}.lesson-list{border:1px solid var(--line);border-radius:19px;overflow:hidden}.lesson-row{display:flex;align-items:center;gap:22px;padding:24px 27px;background:#111d30;border-bottom:1px solid var(--line);transition:background .15s}.lesson-row:last-child{border-bottom:none}.lesson-row:hover{background:#192940}.lesson-index{flex-shrink:0;font-size:24px;font-weight:900;color:#527087}.lesson-row>div{flex:1}.lesson-kicker{font-size:10px;color:var(--aqua);font-weight:850;letter-spacing:.1em}.lesson-row h3{font-size:18px;margin:5px 0}.lesson-row p{font-size:12px}.lesson-state{color:var(--muted);font-size:12px;white-space:nowrap}.lesson-arrow{color:var(--aqua);font-size:21px}.exam-card{display:flex;align-items:center;gap:23px;padding:29px;background:linear-gradient(110deg,#253124,#192539);border:1px solid #535d4a;border-radius:19px;margin-top:22px}.exam-icon{width:67px;height:67px;flex-shrink:0;display:grid;place-items:center;border-radius:17px;background:#51482c;color:var(--gold);font-size:34px}.exam-card>div:nth-child(2){flex:1}.exam-card h2{font-size:22px;margin:6px 0}.exam-card p{font-size:13px}.exam-count{display:block;font-size:12px;color:var(--gold);margin-top:11px}
.lesson-layout,.challenge-layout,.lab-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:27px;align-items:start}.reading,.challenge-heading{min-width:0}.reading>h1,.challenge-heading h1,.lab-heading h1,.page-title{font-size:clamp(31px,4vw,46px);margin:10px 0 16px}.reading .lead{font-size:17px;line-height:1.9;margin-bottom:37px}.reading-section{border-top:1px solid var(--line);padding-top:27px;margin-top:28px}.reading-section h2{font-size:23px;display:flex;gap:13px;align-items:center;margin-bottom:16px}.chapter-num{font-size:12px;color:var(--aqua);font-weight:900}.reading-section p{font-size:14px;line-height:1.9;margin-bottom:18px}.example-code{background:#0b1425;color:#b5e5ee;border:1px solid #2a3e53;border-radius:13px;padding:22px;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.85;font:13px/1.85 "Cascadia Code",Consolas,monospace}.tip{border:1px solid #32675d;border-radius:12px;background:#13332f;padding:17px 19px;margin:28px 0 22px}.tip strong{color:#adf9df}.tip p{font-size:13px;margin-top:5px}.sticky-panel{position:sticky;top:105px;border:1px solid var(--line);background:var(--panel);border-radius:18px;padding:21px}.sidebar-heading h3,.sticky-panel h3{font-size:19px;margin:7px 0}.sidebar-heading p{font-size:12px;margin-bottom:13px}.task-links{margin:23px -4px 0}.task-link{display:flex;align-items:center;gap:11px;border-radius:9px;padding:10px 5px;font-size:12px;color:var(--muted)}.task-link:hover{color:var(--text);background:#1f304a}.task-link span:nth-child(2){flex:1}.task-state{display:grid;place-items:center;flex-shrink:0;width:28px;height:28px;background:#263850;border:1px solid #45556c;border-radius:9px;color:#c9d5e9;font-weight:850;font-size:12px}.task-state.task-done{background:#1b4841;color:#7df1cb;border-color:#267a68}.task-chevron{color:var(--faint)}.sidebar-note{background:#1e3040;border-radius:10px;padding:14px;color:var(--muted);font-size:12px;margin-top:20px}.challenge-heading{background:linear-gradient(135deg,#162840,#14233a);padding:28px;border:1px solid var(--line);border-radius:17px;margin-bottom:22px}.challenge-heading h1{font-size:35px}.challenge-heading p{font-size:16px;color:#cbdaef;line-height:1.8}.challenge-hints{display:flex;gap:15px;margin-top:18px;font-size:12px;color:var(--gold);font-weight:800}.challenge-hints span+span{color:var(--muted)}.challenge-step-list{display:flex;flex-direction:column;gap:5px;margin-top:18px}.challenge-step{display:flex;align-items:center;gap:12px;border:1px solid transparent;border-radius:9px;padding:8px;color:var(--muted);font-size:12px}.challenge-step:hover,.challenge-step.step-active{border-color:#355e66;color:var(--text);background:#1c3540}.next-action{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:18px;color:var(--muted);font-size:12px}.page-lead{font-size:15px;margin-bottom:28px}.exam-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.exam-task{display:flex;align-items:center;gap:15px;border:1px solid var(--line);background:var(--panel);padding:17px;border-radius:13px}.exam-task div{flex:1;display:flex;flex-direction:column}.exam-task strong{font-size:14px}.exam-task small{color:var(--faint);font-size:12px}.exam-task>span:last-child{color:var(--aqua)}.exam-task:hover{border-color:#44998d}
/* Editor e console */
.editor-widget{border:1px solid #34465b;border-radius:18px;background:#0d1625;overflow:hidden;position:relative;box-shadow:var(--shadow)}.editor-head{display:flex;justify-content:space-between;align-items:center;gap:15px;background:#142236;border-bottom:1px solid #2b3b52;padding:11px 16px}.editor-title,.editor-tools{display:flex;align-items:center;gap:10px;min-width:0}.editor-symbol{color:var(--aqua);font-weight:900;font-size:17px}.editor-title strong{font-size:12px;color:#f2f6ff}.editor-title small{font:11px Consolas,monospace;color:#9baeca}.editor-dot{width:3px;height:3px;border-radius:50%;background:#70859d}.editor-language{font-size:10px;letter-spacing:.08em;color:#9af6d4;font-weight:850;white-space:nowrap}.tiny-btn{border:1px solid #3d526c;background:#1f3048;border-radius:8px;padding:6px 8px;color:#bfd0e7;font-size:11px}.tiny-btn:hover{border-color:var(--aqua)}.code-surface{display:flex;min-height:257px;background:#0b1322}.line-numbers{font:13px/1.85 Consolas,monospace;color:#50637f;text-align:right;padding:19px 11px 19px 14px;border-right:1px solid #1c2940;user-select:none}.code-input{width:100%;min-height:257px;border:0;resize:vertical;outline:none;background:transparent;color:#d9ebfa;padding:19px 14px;font:13px/1.85 "Cascadia Code",Consolas,monospace;tab-size:2;white-space:pre;overflow:auto}.code-input::selection{background:#316d74}.editor-bottom{border-top:1px solid #2b3b52;padding:16px;background:#111d30}.editor-bottom label{display:block;color:#b9c8dd;font-size:12px;font-weight:800}.editor-bottom label code{color:var(--aqua)}.editor-bottom label small{color:var(--faint);font-weight:400}.stdin-input{display:block;width:100%;resize:vertical;max-height:110px;margin:9px 0 14px;background:#0a1425;border:1px solid #2d435b;border-radius:9px;color:#e7f6fd;font:12px/1.4 Consolas,monospace;padding:10px}.stdin-input:focus{outline:none;border-color:var(--aqua)}.run-actions{display:flex;gap:9px;flex-wrap:wrap;justify-content:flex-end}.run-actions .btn{padding:10px 14px;font-size:12px}.run-actions .btn:disabled{opacity:.5;cursor:progress}.console{background:#090f1c;border-top:1px solid #2d4057;padding:17px}.console-label{font-size:10px;letter-spacing:.1em;color:#90a3c0;font-weight:850}.console-green{color:var(--aqua)}.console-time{float:right;letter-spacing:normal;text-transform:none;font-weight:500}.console pre{min-height:43px;max-height:245px;overflow:auto;margin:14px 0 0;color:#bcefdc;white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.6 Consolas,monospace}.console pre.console-error{color:#ffb4ac}.console pre.console-success{color:#8af4ce}.secure-note{padding:13px 17px;font-size:11px;color:#8da6bf;border-top:1px solid #2a4054}.challenge-watermark{position:absolute;pointer-events:none;inset:100px 0 auto;transform:rotate(-18deg);text-align:center;color:#e5fafa0c;font-weight:900;font-size:24px;letter-spacing:.15em;user-select:none}.screen-cover{display:none;position:absolute;inset:0;align-items:center;justify-content:center;text-align:center;padding:30px;color:var(--text);background:#081221ec;z-index:5;font-weight:800}.screen-obscured .secure-challenge .screen-cover{display:flex}.screen-obscured .secure-challenge .code-surface,.screen-obscured .secure-challenge .challenge-watermark{filter:blur(17px)}@media print{.secure-challenge{filter:blur(35px)!important}.screen-cover{display:flex!important}}.lab-heading{max-width:770px;margin:20px 0 36px}.lab-heading p{font-size:16px;line-height:1.8}.lab-layout{grid-template-columns:minmax(0,1fr) 280px}.lab-reference{border:1px solid var(--line);background:var(--panel);border-radius:18px;padding:23px}.lab-reference h3{font-size:20px;margin:5px 0 20px}.lab-reference dl{margin:0}.lab-reference dt{font:12px Consolas,monospace;color:var(--aqua);font-weight:800}.lab-reference dd{font-size:12px;color:var(--muted);margin:3px 0 17px}.lab-reference p{border-top:1px solid var(--line);margin-top:15px;padding-top:15px;font-size:12px}
/* Autenticação, perfil e feedback */
.auth-wrap{min-height:605px;display:grid;grid-template-columns:1fr 455px;gap:65px;align-items:center;max-width:1110px;margin:auto}.auth-intro h1{font-size:clamp(38px,4.5vw,59px);margin:15px 0 20px}.auth-intro>p{font-size:17px;max-width:480px}.auth-quote{border-left:3px solid var(--aqua);padding:14px 20px;margin-top:40px;color:#d0ecdf;font-size:15px;font-style:italic;max-width:440px}.auth-card{background:var(--panel);border:1px solid var(--line);border-radius:21px;padding:31px;box-shadow:var(--shadow)}.card-title{text-align:center;margin-bottom:26px}.soft-icon{display:inline-grid;place-items:center;width:47px;height:47px;background:#183c44;border-radius:13px;color:var(--aqua);font-weight:800}.card-title h2{font-size:26px;margin:12px 0 7px}.card-title p{font-size:13px}.form-stack{display:flex;flex-direction:column;gap:15px}.form-stack label{font-size:12px;font-weight:850;color:#d2deee}.form-stack input{width:100%;margin-top:7px;border:1px solid #344961;background:#0b1727;padding:12px 14px;border-radius:9px;color:#f8fbff;outline:none}.form-stack input:focus{border-color:var(--aqua);box-shadow:0 0 0 3px #56ebcd20}.form-stack input::placeholder{color:#667d99}.form-stack .btn{margin-top:9px}.auth-switch{text-align:center;font-size:13px;margin-top:24px}.auth-switch a{color:var(--aqua);font-weight:850}.error-banner,.flash{padding:12px 17px;border:1px solid #db886e;background:#482d34;color:#ffe0d5;border-radius:10px;font-size:13px;margin:15px 0}.flash{border-color:#458575;background:#183a39;color:#b7fbe3}.profile-hero{display:flex;align-items:center;gap:22px;background:linear-gradient(100deg,#1d3545,#152337);padding:30px;border-radius:19px;border:1px solid var(--line);margin-bottom:45px}.profile-avatar{width:85px;height:85px;flex-shrink:0;display:grid;place-items:center;border-radius:23px;background:linear-gradient(130deg,#60edd2,#72a8ff);font-size:39px;color:#042e38;font-weight:850}.profile-hero>div:nth-child(2){flex:1;min-width:0}.profile-hero h1{font-size:32px;margin:7px 0}.profile-hero p{overflow-wrap:anywhere;font-size:13px}.profile-xp{font-size:21px;font-weight:850;color:var(--gold)}.empty-state{text-align:center;max-width:710px;margin:30px auto;border:1px dashed #3f566e;border-radius:17px;padding:45px 25px}.empty-state>span{font-size:55px;color:var(--gold)}.empty-state h3{font-size:23px;margin:12px 0}.empty-state p{margin-bottom:22px;font-size:14px}.badges-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.earned-badge{border:1px solid #867146;background:linear-gradient(135deg,#38352b,#162538);padding:29px;border-radius:18px;display:flex;align-items:center;gap:10px;flex-direction:column}.earned-badge span{font-size:54px;color:var(--gold)}.earned-badge strong{font-size:20px}.earned-badge small{color:var(--muted)}.earned-badge em{font-size:12px;font-style:normal;color:var(--gold)}.logout-form{margin-top:30px}.legal{max-width:760px;margin:30px auto}.legal h1{font-size:40px;margin:10px 0 25px}.legal p{line-height:2;margin:20px 0}.legal strong{color:var(--text)}#toast-region{position:fixed;right:24px;bottom:25px;display:flex;flex-direction:column;gap:10px;z-index:60}.toast{min-width:270px;max-width:420px;border-radius:13px;padding:15px 19px;background:#1d3d38;border:1px solid #59ba9a;color:#d7fff0;box-shadow:0 19px 40px #0008;font-size:13px;font-weight:750}.toast-error{border-color:#e28076;background:#4f303b;color:#ffe3df}
html[data-theme=light]{color-scheme:light;--bg:#f5f8fc;--surface:#eaf0f9;--panel:#fff;--panel2:#f1f5fa;--line:#d6e0ef;--text:#14233a;--muted:#51647e;--faint:#70819a;--aqua:#087e76;--gold:#c28524;--shadow:0 24px 75px #1d35621e}html[data-theme=light] .topbar{background:#f6f8fbe8}html[data-theme=light] .footer{background:#edf2fa}html[data-theme=light] .module-card,html[data-theme=light] .stat-card,html[data-theme=light] .course-card,html[data-theme=light] .lesson-row{background:#fff}html[data-theme=light] .module-heading,html[data-theme=light] .challenge-heading,html[data-theme=light] .profile-hero{background:#eaf4f7}html[data-theme=light] .lesson-row:hover{background:#edf5f8}html[data-theme=light] .status-label,html[data-theme=light] .lesson-state{color:#586c82}html[data-theme=light] .btn-outline{background:#eff4f8;color:#203552;border-color:#b8c8d8}html[data-theme=light] .xp-pill{color:#176052;background:#e9f7f0}html[data-theme=light] .sidebar-note{background:#edf4f9}html[data-theme=light] .example-code{background:#131d2c;color:#b5e5ee}html[data-theme=light] .exam-card{background:#f5f1df}html[data-theme=light] .hero-terminal,html[data-theme=light] .editor-widget,html[data-theme=light] .terminal-head,html[data-theme=light] .terminal-output,html[data-theme=light] .terminal-code{color:#f4faff}html[data-theme=light] .auth-quote{color:#287365}html[data-theme=light] .form-stack label{color:#354968}html[data-theme=light] .form-stack input{background:#f5f8fd;color:#203552}html[data-theme=light] .form-stack input::placeholder{color:#8194ad}html[data-theme=light] .challenge-heading p{color:#435675}html[data-theme=light] .course-symbol{color:#a6fff0}html[data-theme=light] .progress{background:#d2dfeb}html[data-theme=light] .sticky-panel{background:white}html[data-theme=light] .exam-task{background:white}
@media(max-width:1050px){.hero{gap:28px}.topbar-inner{gap:23px}.navlinks{gap:16px}.lesson-layout,.challenge-layout,.lab-layout{grid-template-columns:minmax(0,1fr) 255px}.auth-wrap{gap:30px;grid-template-columns:1fr 410px}}
@media(max-width:790px){.topbar-inner{min-height:69px;gap:15px}.navlinks{display:none}.header-actions{gap:8px}.header-actions .xp-pill{font-size:11px}.header-actions .btn{font-size:12px;padding:8px}.main-container{padding:30px 19px 70px}.hero{grid-template-columns:1fr}.hero-landing{padding:40px 0 27px}.hero-copy h1{font-size:51px}.hero-terminal{max-width:575px;margin:12px auto 0;width:100%}.feature-grid{grid-template-columns:1fr;gap:0}.feature-grid article{padding:18px}.stat-grid{grid-template-columns:1fr 1fr}.stat-card:last-child{grid-column:1/-1}.lesson-layout,.challenge-layout,.lab-layout{grid-template-columns:1fr}.sticky-panel{position:static}.auth-wrap{grid-template-columns:1fr}.auth-intro{display:none}.auth-card{max-width:485px;width:100%;margin:auto}.course-card{gap:14px}.module-heading{grid-template-columns:1fr 190px;gap:17px}.footer-inner{flex-wrap:wrap}}
@media(max-width:520px){.topbar-inner{padding:0 15px;min-height:62px}.brand{font-size:20px;gap:8px}.brand-mark{font-size:12px;padding:7px}.header-actions .btn-ghost{display:none}.header-actions .xp-pill{display:none}.avatar{width:30px;height:30px}.main-container{padding:21px 16px 65px}.hero-copy h1{font-size:clamp(38px,10.7vw,53px)}.hero-copy>p{font-size:15px}.hero-buttons{align-items:stretch;flex-direction:column}.hero-stats{gap:9px;justify-content:space-between}.hero-stats div{min-width:0}.hero-stats strong{font-size:22px}.hero-stats span{font-size:10px}.terminal-head{padding:0 11px}.terminal-code{font-size:11px;padding:21px 11px}.ln{width:26px}.module-grid,.stat-grid,.exam-grid{grid-template-columns:1fr}.stat-card:last-child{grid-column:auto}.stat-card{padding:19px}.section.spaced{margin-top:50px}.section-heading h2{font-size:28px}.welcome{align-items:start;flex-direction:column}.course-card{align-items:stretch;flex-wrap:wrap;padding:17px}.course-symbol{width:55px;height:62px;font-size:20px}.course-body{flex-basis:calc(100% - 75px)}.course-body h3{font-size:18px}.course-cta{width:100%}.course-cta .btn{width:100%}.module-heading{display:block;padding:23px}.badge-preview{margin-top:27px}.lesson-row{padding:19px 13px;gap:12px;flex-wrap:wrap}.lesson-row>div{flex-basis:calc(100% - 70px)}.lesson-index{font-size:18px}.lesson-state{margin-left:41px}.lesson-arrow{margin-left:auto}.exam-card{flex-wrap:wrap;padding:20px}.exam-card>div:nth-child(2){flex-basis:calc(100% - 90px)}.exam-card .btn{width:100%}.editor-head{padding:9px;flex-wrap:wrap}.editor-title{gap:6px}.editor-language{font-size:9px}.editor-tools{margin-left:auto}.code-input{font-size:12px}.line-numbers{padding:19px 8px;font-size:12px}.run-actions .btn{flex:1}.challenge-heading{padding:20px}.challenge-heading h1{font-size:29px}.next-action{align-items:start;flex-direction:column}.next-action .btn{width:100%}.profile-hero{flex-wrap:wrap;padding:18px}.profile-avatar{width:60px;height:60px;font-size:27px}.profile-xp{flex-basis:100%}.badges-grid{grid-template-columns:1fr}.footer-inner{flex-direction:column}.footer-links{flex-wrap:wrap;gap:15px}#toast-region{left:15px;right:15px}.toast{min-width:0}.auth-card{padding:23px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}


/* Guia, navegação mobile e apoio ao iniciante */
.menu-button{display:none;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:12px;padding:9px 12px;font-size:20px;line-height:1}
.hero-guide-link{display:inline-block;color:var(--aqua);font-weight:700;font-size:13px;margin:-22px 0 24px;text-decoration:underline;text-underline-offset:3px}
.onboarding-section{margin:30px 0 0}.onboarding-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:23px 0}.onboarding-grid article,.study-checklist,.guide-chapter,.lab-quickstart{border:1px solid var(--line);border-radius:18px;background:var(--panel);padding:25px}.onboarding-grid span{font-size:12px;color:var(--aqua);font-weight:900}.onboarding-grid h3{font-size:20px;margin:12px 0}.onboarding-grid p{font-size:13px}.onboarding-grid a,.auth-guide-note a,.study-checklist a{color:var(--aqua);font-weight:750;text-decoration:underline;text-underline-offset:3px}.onboarding-grid a{display:inline-block;margin-top:16px;font-size:13px}
.auth-guide-note{font-size:13px;margin-top:18px;line-height:1.75}.welcome-actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap}
.study-checklist{margin:0 0 27px;background:var(--surface)}.study-checklist h2{font-size:18px;margin:0 0 13px}.study-checklist ol{padding-left:22px;color:var(--muted);font-size:13px;line-height:1.9}.study-checklist a{font-size:13px}
.guide-hero{max-width:840px;padding:28px 0}.guide-hero h1{font-size:clamp(34px,5vw,56px);margin:15px 0}.guide-hero p{font-size:16px;line-height:1.85}.guide-hero .hero-buttons{margin:24px 0 0}
.guide-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:25px}.guide-toc{position:sticky;top:100px;display:flex;flex-direction:column;gap:3px;padding:15px;background:var(--panel);border:1px solid var(--line);border-radius:16px;align-self:start}.guide-toc strong{color:var(--aqua);font-size:11px;padding:9px;letter-spacing:.08em}.guide-toc a{color:var(--muted);font-size:13px;padding:9px;border-radius:9px}.guide-toc a:hover,.guide-toc a:focus-visible{color:var(--text);background:var(--surface)}.guide-chapters{min-width:0;display:flex;flex-direction:column;gap:18px}.guide-chapter{scroll-margin-top:100px}.guide-chapter h2{font-size:25px;margin:10px 0 15px}.guide-chapter p{font-size:14px;line-height:1.9;margin:12px 0}.guide-chapter pre{margin:19px 0}.guide-result{border-left:3px solid var(--aqua);background:var(--surface);padding:10px 15px;border-radius:0 9px 9px 0}.guide-result strong{color:var(--aqua)}.guide-chapter ul{padding-left:20px;color:var(--muted);font-size:14px;line-height:1.9}.guide-chapter li+li{margin-top:8px}.guide-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
@media(max-width:790px){.menu-button{display:inline-flex;margin-left:auto}.header-actions{margin-left:0}.topbar-inner{position:relative}.navlinks.is-open{display:flex;position:absolute;top:100%;left:14px;right:14px;z-index:50;flex-direction:column;align-items:stretch;align-self:auto;gap:2px;background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:9px;box-shadow:0 20px 50px #0006}.navlinks.is-open .navlink{height:auto;padding:11px 14px;border-bottom:0;border-radius:9px}.navlinks.is-open .navlink.active{background:var(--surface);color:var(--aqua)}.onboarding-grid,.guide-layout{grid-template-columns:1fr}.guide-toc{position:static;flex-direction:row;flex-wrap:wrap}.guide-toc strong{flex-basis:100%}.guide-toc a{padding:8px}.guide-chapter{padding:21px}}
@media(max-width:520px){.menu-button{padding:8px 9px;font-size:18px}.hero-guide-link{margin:-20px 0 22px}.onboarding-grid article{padding:21px}.guide-chapter h2{font-size:21px}.guide-hero .hero-buttons .btn{width:100%}.welcome-actions{width:100%}.welcome-actions .btn{flex:1}}

/* Ajuda contextual e exemplos do laboratório livre */
.nav-auth{display:none}.lab-quickstart{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);gap:25px;margin:24px 0 29px;background:var(--surface)}
.lab-quickstart-text h2{font-size:23px;margin:10px 0 15px}.lab-quickstart-text ol{padding-left:21px;color:var(--muted);font-size:13px;line-height:1.9}.lab-quickstart-text li+li{margin-top:5px}.lab-quickstart-text strong{color:var(--text)}.lab-quickstart-text p{font-size:13px;margin-top:15px}.lab-quickstart-text a{color:var(--aqua);font-weight:750;text-decoration:underline;text-underline-offset:3px}
.lab-example-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.lab-example-btn{border:1px solid var(--line);border-radius:15px;background:var(--panel);color:var(--text);padding:15px;text-align:left;display:flex;flex-direction:column;gap:10px;align-items:start;min-width:0;transition:transform .18s,border-color .18s}.lab-example-btn:hover,.lab-example-btn[aria-pressed=true]{border-color:var(--aqua);transform:translateY(-2px)}.lab-example-btn strong{font-size:13px;line-height:1.45}.lab-example-btn small{font-size:12px;color:var(--muted);line-height:1.55;flex:1}.lab-example-btn span{color:var(--aqua);font-size:11px;font-weight:800}
@media(max-width:1050px){.lab-quickstart{grid-template-columns:1fr}}
@media(max-width:790px){.navlinks.is-open .nav-auth{display:flex}}
@media(max-width:520px){.lab-quickstart{padding:20px}.lab-example-grid{grid-template-columns:1fr}.lab-example-btn{padding:14px}.lab-example-btn small{flex:auto}}