@font-face {
  font-family: 'Bodoni Moda';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/delta-font-0.ttf) format('truetype');
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/delta-font-1.ttf) format('truetype');
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/assets/delta-font-2.ttf) format('truetype');
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/delta-font-3.ttf) format('truetype');
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/assets/delta-font-4.ttf) format('truetype');
}
:root{color-scheme:dark;--bg:#091524;--panel:#19283b;--line:#344356;--text:#fcf4dd;--muted:#b1bdcc;--green:#fcf4dd;--ink:#162033;font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:15px;line-height:1.55}button,input,textarea,select{font:inherit}button,a,input,textarea,select{touch-action:manipulation}button,a{transition:.18s}button{cursor:pointer;border:1px solid var(--line);border-radius:10px;background:#23364d;color:var(--text);padding:10px 16px}button:hover{border-color:var(--green);background:#30435c}button:disabled{opacity:.45;cursor:default}button.primary,.primary{background:var(--green);color:var(--ink);border-color:var(--green);font-weight:650}a{color:var(--green)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #a8bfff;outline-offset:3px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(28px,3vw,42px);letter-spacing:-1.3px;font-weight:600;line-height:1.17}h2{font-size:21px;font-weight:550;letter-spacing:-.4px}h3{font-size:17px;font-weight:600}p{color:var(--muted)}small,.small{font-size:12px;color:var(--muted)}.shell{display:grid;grid-template-columns:244px 1fr;min-height:100vh}.sidebar{border-right:1px solid var(--line);padding:32px 22px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}.brand{display:flex;gap:11px;align-items:center;margin-bottom:45px;font-size:17px;line-height:1.25}.brand b{font-weight:650}.brand small{display:block;letter-spacing:2px;font-size:10px;margin-top:6px}.logo{display:grid;place-items:center;width:40px;height:40px;border:1px solid #6a8c64;color:var(--green);border-radius:12px;font-size:23px}.nav{display:grid;gap:7px}.nav button{text-align:left;border:0;background:transparent;color:var(--muted);padding:12px}.nav button.active{background:#fcf4dd14;color:var(--green)}.nav button span{display:inline-block;width:28px}.sidefoot{margin-top:auto;padding-top:30px}.private{font-size:11px;color:var(--green);letter-spacing:1px}.content{min-width:0;padding:0 44px 50px;max-width:1500px;width:100%;margin:auto}.topbar{height:85px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);margin-bottom:32px;color:var(--muted);font-size:13px}.topbar b{color:var(--text);font-weight:500}.avatar{width:31px;height:31px;background:#4b4430;color:var(--green);border-radius:50%;display:inline-grid;place-items:center;margin-left:12px}.eyebrow{text-transform:uppercase;font-size:10px;font-weight:650;letter-spacing:2px;color:var(--green);margin-bottom:12px}.heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:25px}.heading h1{margin-bottom:9px}.heading p{margin-bottom:0}.tag{border:1px solid var(--line);border-radius:30px;padding:5px 11px;font-size:11px;white-space:nowrap;color:var(--muted)}.hero{border:1px solid #6b5d35;background:linear-gradient(110deg,#253650,#19283b);border-radius:17px;padding:30px;display:grid;grid-template-columns:1fr 180px;gap:25px;position:relative;overflow:hidden;margin-bottom:22px}.hero h2{font-size:28px;max-width:600px;margin-bottom:12px}.hero p{max-width:500px}.hero button{margin-top:10px}.radar{width:155px;height:155px;border-radius:50%;border:1px solid #fcf4dd44;position:relative;align-self:center;display:grid;place-items:center;background:repeating-radial-gradient(circle,transparent 0,transparent 24px,#fcf4dd33 25px,transparent 26px)}.radar:before{content:'';height:1px;width:155px;background:#fcf4dd55;transform:rotate(-25deg);position:absolute}.radar span{color:var(--green);font-size:41px;transform:rotate(-20deg)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:32px}.stat,.card{border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:21px}.stat label{display:block;font-size:12px;color:var(--muted)}.stat strong{display:block;font-size:29px;font-weight:550;margin:10px 0 1px}.two{display:grid;grid-template-columns:1.5fr 1fr;gap:24px}.sectiontitle{display:flex;align-items:center;justify-content:space-between;margin:4px 0 17px}.sectiontitle h2{margin:0}.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.module{padding:21px;border:1px solid var(--line);border-radius:13px;background:var(--panel)}.module .symbol{display:inline-grid;place-items:center;height:34px;width:34px;border-radius:10px;background:#ffffff0a;font-size:21px;margin-bottom:17px}.module h3{min-height:48px;margin-bottom:8px}.module p{font-size:12px;min-height:36px}.module button{width:100%;margin-top:16px;font-size:13px}.progress{height:4px;background:#35455b;border-radius:5px;overflow:hidden;margin:12px 0}.progress i{display:block;height:100%;background:var(--green);width:0}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.agenda{padding:16px 0;border-bottom:1px solid var(--line);display:flex;gap:15px}.date{background:#23364d;border:1px solid var(--line);min-width:45px;height:50px;border-radius:9px;text-align:center;font-size:19px;line-height:1.2;padding-top:6px}.date small{font-size:9px;display:block}.agenda h3{font-size:13px;margin:0 0 4px}.agenda p{font-size:11px;margin:0}.note{border-left:2px solid var(--green);padding:10px 14px;background:#fcf4dd08;color:var(--muted);font-size:12px;margin-top:20px}.footer{margin-top:36px;color:#7b9193;font-size:11px;border-top:1px solid var(--line);padding-top:16px}.auth{max-width:430px;margin:9vh auto;padding:30px}.auth .brand{margin-bottom:35px}.auth h1{font-size:30px}.auth input,.auth button{width:100%}label{display:block;margin:14px 0 6px;font-size:13px}input,textarea,select{background:#111e30;color:var(--text);border:1px solid #47585d;border-radius:8px;padding:11px;max-width:100%}textarea{width:100%;min-height:120px;resize:vertical}.auth button{margin-top:22px}.error{color:#ffb7ad}.lesson{max-width:850px}.lesson h2{margin-top:27px}.lesson p{line-height:1.85}.steps{display:flex;gap:5px;margin:20px 0;flex-wrap:wrap}.steps button{font-size:12px;flex:1;min-width:100px;padding:10px}.steps button.active{border-color:var(--green);color:var(--green)}.flow{display:flex;gap:8px;flex-wrap:wrap;margin:25px 0}.flow span{padding:16px;background:#27364a;border:1px solid #53627a;border-radius:9px;flex:1;min-width:120px;color:var(--green);font-size:13px;text-align:center}.question{margin:16px 0;padding:22px;border:1px solid var(--line);border-radius:12px}.question p{color:var(--text);font-size:17px}.choices{display:flex;gap:10px;margin-top:16px}.choices button{min-width:85px}.choices .selected{border-color:var(--green);background:#394e32;color:var(--green)}.feedback{margin-top:18px;padding:15px;border-radius:8px;background:#21392e;border:1px solid #42795b;color:#cce9d7}.feedback.wrong{background:#3c2826;border-color:#8b554a;color:#f1c8bf}.feedback p{color:inherit;font-size:14px;margin:9px 0}.schedulelist{display:grid;gap:10px}.scheduleitem{border:1px solid var(--line);border-radius:10px;padding:16px;display:flex;justify-content:space-between;gap:16px;align-items:center;background:var(--panel)}.scheduleitem.done{border-color:#4f7855}.scheduleitem h3{margin-bottom:4px}.scheduleitem p{margin:0;font-size:12px}.actions{display:flex;gap:8px;flex-wrap:wrap}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0 25px}.empty{text-align:center;padding:45px 20px}.timer{font-variant-numeric:tabular-nums;font-size:17px;color:var(--green)}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#fcf4dd;color:#20351d;border-radius:10px;padding:13px 23px;z-index:9;max-width:90vw;display:none}#toast.show{display:block}.loading{padding:60px}.checklist{padding:0;list-style:none}.checklist li{padding:8px 0;border-bottom:1px solid var(--line)}.reviewbox{margin-top:20px}.readbar{display:flex;gap:8px;flex-wrap:wrap}.readbar button{font-size:12px}.mobilebrand{display:none}@media(min-width:1500px){.content{padding-left:65px;padding-right:65px}}@media(max-width:1100px){.shell{grid-template-columns:205px 1fr}.sidebar{padding:25px 15px}.content{padding:0 25px 35px}.two{grid-template-columns:1fr}.stats{gap:8px}.stat{padding:16px}}@media(max-width:700px){.shell{display:block}.sidebar{position:sticky;height:auto;top:0;z-index:3;background:#091524f5;backdrop-filter:blur(12px);padding:12px 14px;border-right:0;border-bottom:1px solid var(--line)}.brand{margin:0;font-size:14px}.brand small{font-size:8px}.logo{height:31px;width:31px}.sidebar .brand{margin-bottom:12px}.nav{display:flex;gap:4px;overflow-x:auto}.nav button{padding:8px 10px;white-space:nowrap;font-size:12px}.nav button span{width:18px}.sidefoot{display:none}.content{padding:0 17px 35px}.topbar{height:56px;margin-bottom:24px;font-size:11px}.hero{padding:23px;grid-template-columns:1fr}.radar{display:none}.hero h2{font-size:25px}.stats{grid-template-columns:1fr 1fr;gap:10px}.stat strong{font-size:26px}.grid{gap:10px}.module{padding:15px}.module h3{font-size:15px;min-height:48px}.heading{align-items:flex-start}.heading .tag{display:none}.scheduleitem{align-items:flex-start;flex-direction:column}.auth{margin:5vh auto;padding:25px}.question{padding:17px}.steps button{min-width:90px}.two{gap:25px}}@media(prefers-reduced-motion:reduce){*{transition:none}}

/* Delta visual proposal: original logo, navy, yellow and red accents. */
.delta-lockup{width:172px;text-align:center}.delta-lockup img{display:block;width:100%;height:auto;object-fit:contain}.brand .delta-lockup small{font-size:9px;letter-spacing:2.6px;margin-top:12px;color:var(--muted)}.sidebar .brand{margin-bottom:30px;justify-content:center}.auth{max-width:470px;margin:5vh auto;padding:30px 38px;border:1px solid var(--line);border-top:3px solid #ff293c;border-radius:18px;background:linear-gradient(145deg,#1d2c40,#152236);box-shadow:0 24px 80px #0003}.auth .brand{justify-content:center;margin-bottom:32px}.auth .delta-lockup{width:205px}.auth h1{font-size:30px}.auth .eyebrow{text-align:center;font-size:10px;letter-spacing:1.8px}.auth button.primary:hover{background:#ffe982}.nav button.active{border-left:3px solid #ff293c;padding-left:9px}.hero{border-left:3px solid #ff293c}.note{border-left-color:#ff293c}.readbar{align-items:center}.auth input{background:#091524}.auth .small{line-height:1.65}@media(max-width:700px){.sidebar .brand{justify-content:flex-start;margin-bottom:10px}.sidebar .delta-lockup{display:flex;width:auto;gap:16px;align-items:center}.sidebar .delta-lockup img{width:98px}.sidebar .brand .delta-lockup small{margin:0;font-size:8px}.auth{margin:22px auto;width:calc(100% - 28px);padding:26px;max-width:450px}.auth .delta-lockup{width:175px}.auth h1{font-size:28px}}

/* Identidade oficial: Kit Marca Logos 2027. */
:root{--bg:#091524;--panel:#142236;--text:#fcf4dd;--green:#fcf4dd;--ink:#091524;--line:#2d3d52;font-family:'Montserrat',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
h1{font-family:'Bodoni Moda',Georgia,serif;font-weight:600;letter-spacing:-.6px}h2,h3{letter-spacing:0}.auth{background:#101e30;border-top-color:#ff293c;max-width:490px}.auth h1{font-size:34px;line-height:1.12}.auth .delta-lockup{width:160px}.auth .brand{margin-bottom:25px}.auth button.primary{background:#ff293c;color:#091524;border-color:#ff293c;font-weight:750}.auth button.primary:hover{background:#ff5362}.hero{background:linear-gradient(110deg,#1b2d43,#101e30);border-color:#42516a;border-left-color:#ff293c}.hero h2{font-family:'Bodoni Moda',Georgia,serif;font-size:32px}.nav button.active{background:#fcf4dd0c;border-left-color:#ff293c;color:#fcf4dd}.delta-lockup{width:182px}.sidebar .brand .delta-lockup small{margin-top:16px}.auth .eyebrow{color:#fcf4dd}.note{border-left-color:#ff293c}.progress i{background:#fcf4dd}.auth .small{font-size:11px}@media(max-width:700px){.auth .delta-lockup{width:140px}.auth h1{font-size:30px}.sidebar .delta-lockup img{width:130px}.auth{padding-top:22px}}
.sidebar{overflow-y:auto}.nav{gap:3px}.nav button{padding-top:8px;padding-bottom:8px}.matrixfilters{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin:20px 0}.matrixfilters label{flex:1;min-width:160px}.matrixfilters select,.matrixfilters input{display:block;width:100%;margin-top:6px}.matrixtext{color:var(--text);line-height:1.8}.writingarea{min-height:380px;line-height:1.9}.minichart{height:180px;display:flex;align-items:end;gap:20px;margin:25px 0}.minichart div{display:flex;flex-direction:column;align-items:center;gap:5px}.minichart i{display:block;width:35px;background:#fcf4dd;border-radius:5px 5px 0 0}.minichart div:last-child i{background:#ff293c}.minichart span{font-size:11px;color:var(--muted)}@media(max-width:700px){.sidebar{overflow:visible}.nav{max-width:100%;overflow:auto}.matrixfilters{display:block}.matrixfilters button{margin-top:10px}.minichart{gap:12px}.minichart i{width:27px}}

/* Sequência didática, tabelas acessíveis e laboratório. */
.tablewrap{overflow-x:auto;margin:24px 0;border:1px solid #ffffff24;border-radius:10px}table{border-collapse:collapse;width:100%;font-size:.95rem}caption{text-align:left;padding:16px;color:var(--cream,#FCF4DD);font-weight:600}th,td{text-align:left;padding:14px;border-top:1px solid #ffffff20}th{background:#ffffff08}.labfields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:20px 0}.solution{margin:22px 0;padding:16px;border:1px solid #ffffff24;border-radius:10px}.solution summary{cursor:pointer;color:#FCF4DD}.scheduleitem h2{font-size:1.35rem}.scheduleitem>div{min-width:0}.scheduleitem{gap:20px}.lab{margin:24px 0}@media(max-width:600px){.labfields{grid-template-columns:1fr}.scheduleitem{align-items:stretch;flex-direction:column}.scheduleitem button{white-space:normal}th,td{padding:10px}}
.two>section,.grid>.module{min-width:0}.module .row{flex-wrap:wrap;gap:6px}.module h3{overflow-wrap:anywhere}@media(max-width:600px){.grid{grid-template-columns:minmax(0,1fr)}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{grid-template-columns:minmax(0,1fr)}.readbar{flex-wrap:wrap}.topbar{gap:10px}.topbar>span{min-width:0}.heading>div{min-width:0}}
.examtoolbar{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin:20px 0;padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}#exam-clock{font-size:24px;font-variant-numeric:tabular-nums;color:#fcf4dd}.savedwriting{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--text);line-height:1.85}.tabs button.active{background:#fcf4dd;color:#091524}.writingarea{max-width:100%}@media(max-width:600px){.examtoolbar{gap:10px}.tabs{flex-wrap:wrap}.examtoolbar button{white-space:normal}}
.questioncontext{padding:14px;border-left:3px solid #fcf4dd55;background:#09152466;color:var(--text);font-size:.95rem;line-height:1.7}