/* Estuda+ Stellar: camada final da interface, sem alterar os fluxos do app. */
:root{--stellar-ink:#17253e;--stellar-muted:#71809a;--stellar-line:#dce7f2;--stellar-surface:#ffffff;--stellar-soft:#f4f8ff;--stellar-violet:#7257e8;--stellar-indigo:#4359d7;--stellar-cyan:#37cbe1;--stellar-green:#49bb6f;--stellar-gold:#ffbd45;--stellar-coral:#ff7a78;--stellar-shadow:0 18px 44px rgba(39,64,117,.12);--stellar-small-shadow:0 8px 24px rgba(45,69,121,.09)}
*{scrollbar-width:thin;scrollbar-color:#c7d9ec transparent}body{min-height:100vh;background:radial-gradient(circle at 7% 10%,rgba(123,90,232,.16),transparent 24rem),radial-gradient(circle at 92% 78%,rgba(44,202,221,.15),transparent 26rem),#eef5fc;color:var(--stellar-ink)}
.app-shell{position:relative;isolation:isolate;max-width:1500px;min-height:100vh;margin:0 auto;grid-template-columns:340px minmax(0,1fr);overflow:hidden;background:rgba(250,253,255,.74);box-shadow:0 26px 90px rgba(37,59,103,.16)}
.hero-panel{position:sticky;top:0;align-self:start;min-height:100vh;padding:32px 32px 28px;overflow:hidden;background:radial-gradient(circle at 90% 12%,rgba(163,221,255,.33),transparent 10rem),radial-gradient(circle at 10% 92%,rgba(255,222,117,.3),transparent 13rem),linear-gradient(160deg,#322c79,#5547b9 55%,#277eae);color:#fff}.hero-panel:before,.hero-panel:after{content:"";position:absolute;z-index:-1;border:1px solid rgba(255,255,255,.16);border-radius:50%}.hero-panel:before{width:330px;height:330px;right:-205px;top:155px}.hero-panel:after{width:210px;height:210px;left:-140px;bottom:30px}.brand{position:relative;z-index:2;font-size:26px}.hero-panel .brand-mark{width:30px;height:30px;margin-right:7px;border-radius:10px;background:#fff;color:#5d4bd1;box-shadow:0 6px 0 rgba(17,22,80,.22)}.hero-panel .brand span{color:#ffe37b}.hero-copy{margin:104px 0 auto}.hero-panel .eyebrow{display:inline-block;padding:7px 10px;border:1px solid rgba(255,255,255,.22);border-radius:99px;background:rgba(255,255,255,.09);color:#fff2a5;font-size:10px;backdrop-filter:blur(8px)}.hero-copy h1{max-width:270px;margin:16px 0;font-size:44px;line-height:1.02;letter-spacing:-2.4px}.hero-copy h1 em{color:#ffe376;text-shadow:0 6px 30px rgba(255,227,118,.32)}.hero-copy p{font-size:15px;line-height:1.65;color:#dfe6ff}.mascot{height:224px;margin:18px -6px 0}.hero-panel .mascot:after{right:3px;bottom:-3px;width:214px;height:214px;filter:drop-shadow(0 21px 17px rgba(13,19,74,.3));animation:pet-float 4.8s ease-in-out infinite}.spark{z-index:3;animation:twinkle 2.4s ease-in-out infinite}.s1{right:56%;top:42px}.s2{right:7%;top:8px}.hero-footer{position:relative;z-index:2;gap:7px;flex-wrap:wrap;padding:10px 12px;border:1px solid rgba(255,255,255,.17);border-radius:14px;background:rgba(18,22,74,.18);font-size:10px;line-height:1.4;backdrop-filter:blur(9px)}
.content-panel{display:block;min-height:100vh;padding:34px clamp(26px,6vw,96px) 100px;background:linear-gradient(130deg,rgba(255,255,255,.92),rgba(246,251,255,.97));backdrop-filter:blur(18px)}.screen{width:min(100%,800px);max-width:none}.screen.active{animation:stellar-in .42s cubic-bezier(.2,.75,.25,1)}
h2{color:var(--stellar-ink);font-family:'Space Grotesk',sans-serif;font-weight:700}.subtitle{color:var(--stellar-muted);line-height:1.55}.eyebrow{color:#6a56d6}.auth-screen{width:min(100%,650px)!important;margin:5vh auto 0}.auth-card{position:relative;padding:38px!important;overflow:hidden;border:1px solid #d6e4f0!important;border-radius:30px!important;background:linear-gradient(145deg,#fff,#f7faff)!important;box-shadow:var(--stellar-shadow)!important}.auth-card:before{content:"";position:absolute;inset:-100px -80px auto auto;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(111,86,232,.14),transparent 68%);pointer-events:none}.auth-card h2{max-width:510px;color:var(--stellar-ink)!important;font-size:clamp(31px,4vw,45px)!important}.auth-card .subtitle{color:var(--stellar-muted)!important}.auth-switch{position:relative;margin:27px 0 22px!important;padding:5px!important;border:1px solid #dce7f4!important;border-radius:15px!important;background:#eff5fb!important}.auth-tab{color:#71829a!important}.auth-tab.selected{background:#fff!important;color:#4f42bd!important;box-shadow:0 4px 12px rgba(76,93,149,.12)!important}.auth-form label{color:#40516a!important}.auth-form input{border-color:#d5e3f0!important;background:#fff!important;color:var(--stellar-ink)!important}.auth-footnote{color:#8392a7!important}.auth-notice{color:#bb7920!important}.auth-notice.error{color:#d05767!important}
.subject-screen{padding-top:6px}.subject-welcome{position:relative;margin:24px 0 28px;padding:26px 28px;overflow:hidden;border:1px solid #dce8f3;border-radius:23px;background:linear-gradient(125deg,#fff,#eef7ff)}.subject-welcome:after{content:"✦";position:absolute;right:28px;top:18px;color:#ad9df5;font-size:76px;line-height:1;opacity:.28}.subject-welcome h2{position:relative;z-index:1;margin:8px 0 4px;font-size:clamp(31px,4vw,43px)}.subject-welcome .subtitle{position:relative;z-index:1;margin:0}.subject-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.subject-card{position:relative;min-height:186px;padding:18px!important;overflow:hidden;border:1px solid rgba(255,255,255,.8)!important;border-radius:23px!important;box-shadow:0 8px 0 rgba(28,55,92,.13),var(--stellar-small-shadow)!important;isolation:isolate;transition:transform .2s ease,box-shadow .2s ease!important}.subject-card:before{content:"";position:absolute;z-index:-1;width:132px;height:132px;right:-39px;top:-35px;border:18px solid rgba(255,255,255,.16);border-radius:50%}.subject-card:hover{transform:translateY(-5px)!important;box-shadow:0 12px 0 rgba(28,55,92,.12),0 22px 32px rgba(42,68,114,.22)!important}.subject-card .subject-art{display:grid;place-items:center;width:62px;height:62px;margin-bottom:auto;border-radius:19px;background:rgba(255,255,255,.2);backdrop-filter:blur(5px);filter:none!important}.subject-art img{width:47px;height:47px;object-fit:contain;filter:drop-shadow(0 5px 5px rgba(14,32,65,.16))}.subject-card strong{margin-top:12px;font-size:18px!important}.subject-card small{font-size:12px!important}.subject-card i{position:absolute;right:16px;bottom:16px;display:grid;place-items:center;width:29px;height:29px;border-radius:10px;background:rgba(255,255,255,.2);font:800 17px Nunito;font-style:normal}.math{background:linear-gradient(140deg,#485bdc,#55b2ec)!important}.portuguese{background:linear-gradient(140deg,#9a59d9,#e379c5)!important}.history{background:linear-gradient(140deg,#e27d30,#f5bf54)!important}.geography{background:linear-gradient(140deg,#24a68f,#71cf9b)!important}.biology{background:linear-gradient(140deg,#43a85e,#a0d962)!important}.physics{background:linear-gradient(140deg,#5d58c9,#9a8deb)!important}.chemistry{background:linear-gradient(140deg,#e45d76,#fb9276)!important}
.duo-topbar{position:relative!important;top:auto!important;margin-bottom:26px;padding:0 0 17px!important;border-color:#dce7f1!important;background:transparent!important;backdrop-filter:none!important}.setup-actions{gap:10px}.back-subjects{padding:8px 10px;border:1px solid #d8e5f0;border-radius:10px;background:#fff;color:#51647e!important;font-size:12px}.profile-mini{padding:3px 10px 3px 3px;border:1px solid #d8e5f0;border-radius:99px;background:#fff!important;box-shadow:0 5px 12px rgba(56,80,120,.08)}.profile-mini span{background:linear-gradient(135deg,#e5f4ff,#f2edff)!important}.duo-stats{gap:9px}.duo-stats span{padding:7px 9px;border:1px solid #d9e7f1;border-radius:10px;background:#fff;box-shadow:0 4px 10px rgba(46,74,110,.06)}
.study-brief{align-items:center;padding:25px 27px;border:1px solid #dfe9f4;border-radius:24px;background:linear-gradient(115deg,#fff,#f2f9ff);box-shadow:var(--stellar-small-shadow)}.study-brief .creator-title{font-size:34px}.enem-shortcut{min-width:194px;border-color:#f0d27d!important;border-radius:17px!important;background:linear-gradient(135deg,#fff8df,#fffdf6)!important;box-shadow:0 5px 0 #f5dfaa!important}.daily-mission{margin-top:15px!important;padding:15px 17px!important;border:1px solid #cfead9!important;border-radius:18px!important;background:linear-gradient(135deg,#f1fff3,#fff)!important;box-shadow:var(--stellar-small-shadow)}.mission-icon{display:grid;place-items:center;width:43px;height:43px;border-radius:14px;background:#dbf7df}.daily-mission strong{font-size:14px}.daily-mission>b{padding:8px;border-radius:10px;background:#dff6e3}.study-snapshot{gap:13px;margin-top:15px!important}.snapshot-card{min-height:126px;border-color:#dce8f3!important;border-radius:18px!important;box-shadow:var(--stellar-small-shadow)}.theme-card{background:linear-gradient(135deg,#f1f7ff,#fbfdff)!important}.plan-mini{background:linear-gradient(135deg,#f6fff0,#fff)!important}.quick-tools{gap:10px!important;margin-top:14px!important}.quick-tools button{min-height:45px;border:1px solid #d8e5ef!important;border-radius:13px!important;background:#fff!important;color:#54667d!important;box-shadow:0 5px 12px rgba(53,76,113,.07)!important}
form{margin-top:23px!important}.form-grid{gap:13px!important}.form-grid label{padding:11px 12px 10px;border:1px solid #d9e6f0;border-radius:14px;background:#fff;color:#4b5d75;font-size:11px;box-shadow:0 4px 13px rgba(52,82,122,.05)}.form-grid select,.form-grid input{margin-top:5px;padding:9px 0 1px;border:0!important;border-radius:0!important;background:transparent!important;color:var(--stellar-ink)!important;box-shadow:none!important}.topic-examples{margin-top:1px!important}.topic-chip{border:1px solid #cddfec!important;background:#fff!important;color:#47749b!important;box-shadow:0 3px 0 #e7f0f6}.curriculum-hint{margin:13px 0 0;padding:11px 13px;border-left:3px solid var(--stellar-cyan);border-radius:8px;background:#edf9fd;color:#50728a!important;font-size:12px;line-height:1.45}fieldset{margin-top:21px!important}legend{color:#3c4e66!important}.choice{border-color:#d7e4ee!important;border-radius:11px!important;background:#fff!important;color:#66788d!important;box-shadow:0 3px 0 #edf3f7}.choice.selected{border-color:#a9d9b2!important;background:#ecfaee!important;color:#348944!important;box-shadow:0 3px 0 #d3edda!important}.start-button{position:relative;overflow:hidden;border-radius:15px!important;background:linear-gradient(135deg,#6455dc,#347ed7)!important;box-shadow:0 7px 0 #2f57a7,0 16px 26px rgba(70,91,203,.23)!important}.start-button:before{content:"";position:absolute;top:0;bottom:0;left:-40%;width:25%;transform:skewX(-24deg);background:rgba(255,255,255,.22);transition:left .45s ease}.start-button:hover{background:linear-gradient(135deg,#5847ce,#276fc9)!important;box-shadow:0 4px 0 #2f57a7,0 12px 18px rgba(70,91,203,.22)!important}.start-button:hover:before{left:115%}
.journey-intro{padding:25px 26px;margin:0 0 8px;border-radius:24px;background:linear-gradient(135deg,#2c3c76,#5a4bc5);color:#fff;box-shadow:0 18px 32px rgba(66,71,160,.2)}.journey-intro .unit-label{color:#c8e8ff}.journey-intro h2{margin:7px 0;color:#fff}.journey-intro h2 em{color:#ffe177}.journey-intro p{color:#e2e8ff}.lesson-path{min-height:415px;margin-top:12px;padding:30px 0 28px}.lesson-path .path-line{width:12px;background:repeating-linear-gradient(to bottom,#d5e2ef 0 12px,#edf3f8 12px 22px)}.phase-map-label{margin:-2px 0 7px;border:1px solid #d5e8f1;background:#fff!important;color:#4e84aa!important;box-shadow:0 5px 11px rgba(47,77,116,.07)}.lesson-node{width:87px;height:87px;border:5px solid #fff!important;background:#e9f2f8!important;box-shadow:0 7px 0 #b7cedd,0 12px 22px rgba(42,76,110,.1)!important}.lesson-node.unlocked{background:#fff!important}.lesson-node.current{width:101px;height:101px;outline:7px solid #dbf5fb!important;box-shadow:0 8px 0 #2c75a8,0 14px 28px rgba(44,130,180,.18)!important}.lesson-node.completed{background:linear-gradient(135deg,#4cc671,#48b4d7)!important;box-shadow:0 8px 0 #287f69,0 14px 26px rgba(48,162,118,.2)!important}.phase-illustration{filter:drop-shadow(0 5px 5px rgba(26,49,86,.13))}.phase-number{border:2px solid #fff!important;box-shadow:0 3px 0 #b5cedb!important}.create-line{margin-top:14px;padding-top:15px;border-top:1px solid #dfeaf2}
.quiz-screen{width:min(100%,760px)!important;margin:0 auto}.quiz-header{position:sticky;top:0;z-index:5;margin:-15px -12px 22px!important;padding:15px 12px 14px;border-bottom:1px solid #dce8f1;background:rgba(251,254,255,.94);backdrop-filter:blur(13px)}.icon-button{border-color:#d8e5ef!important;border-radius:11px!important;background:#fff!important;box-shadow:0 4px 10px rgba(45,71,112,.08)}.progress{height:8px!important;background:#e6eef6!important}.progress i{background:linear-gradient(90deg,#5d52d9,#3db6dc)!important}.score{padding:5px 9px;border-radius:11px;background:#fff5d8;color:#b57a0c!important}.score strong{color:#a66e0c}.quiz-meta{margin-bottom:9px}.quiz-tag{border:1px solid #cae6f1;background:#f2fbff!important;color:#387398!important}.quiz-skill{border:1px solid #f0e1bd;background:#fffaf0!important;color:#a17424!important}.quiz-screen h2{min-height:0!important;margin:13px 0 18px!important;font-size:clamp(24px,3vw,33px);line-height:1.28;letter-spacing:-1.2px}.question-tools button{border-color:#d9e6f0!important;border-radius:10px!important;background:#fff!important;color:#40556f!important;box-shadow:0 3px 0 #edf3f7}.answers{gap:11px!important}.answer{min-height:61px;padding:12px 14px!important;border-color:#d7e4ee!important;border-radius:15px!important;background:#fff!important;color:#1c2b43!important;text-shadow:none!important;box-shadow:0 4px 0 #ecf2f6,0 7px 15px rgba(44,68,108,.045)!important}.answer span:last-child{color:#1c2b43!important;opacity:1!important}.answer:hover:not(:disabled){transform:translateX(4px);border-color:#9cacef!important;background:#f9f8ff!important;color:#1c2b43!important}.answer .letter{width:31px;height:31px;border-radius:10px!important;background:#eef4f8!important;color:#405d7a!important}.answer.correct{border-color:#93dbad!important;background:#effcf3!important;color:#175d3b!important}.answer.correct span:last-child{color:#175d3b!important}.answer.correct .letter{background:#45b974!important;color:#fff!important}.answer.wrong{border-color:#f2a9ad!important;background:#fff5f5!important;color:#9e3542!important}.answer.wrong span:last-child{color:#9e3542!important}.answer.wrong .letter{color:#fff!important}.feedback{border:1px solid #cbdcf2;border-radius:15px!important;background:#f0f5ff!important;color:#41578f!important;box-shadow:var(--stellar-small-shadow)}.feedback.good{border-color:#bde8cd;background:#edfbf2!important;color:#23734c!important}.achievement-toast{border-radius:14px;box-shadow:var(--stellar-small-shadow)}
.result-screen{margin-top:5vh;padding:35px;border:1px solid #dce7f1;border-radius:30px;background:linear-gradient(145deg,#fff,#f7fbff);box-shadow:var(--stellar-shadow)}.trophy{display:inline-grid;place-items:center;width:92px;height:92px;border-radius:30px;background:linear-gradient(145deg,#fff4c4,#ffe3a0);box-shadow:0 8px 0 #f2c24c;font-size:52px}.result-score{border:1px solid #d4e9f4;background:#eff9ff!important;color:#3a79c0!important}.result-stats{padding:14px;border:1px solid #e1ebf2;border-radius:15px;background:#fff}.result-home{color:#4f48bd!important}
.dashboard-screen{width:min(100%,840px)!important;padding-bottom:95px}.dashboard-header{align-items:center;padding:18px 0;border-bottom:1px solid #dce8f1}.dashboard-header h2{font-size:34px}.profile-card{border:1px solid #d8e6f1!important;border-radius:20px!important;background:linear-gradient(135deg,#fff,#eff8ff)!important;box-shadow:var(--stellar-small-shadow)}.profile-avatar{background:linear-gradient(135deg,#dff5ff,#f4edff)!important}.dashboard-stats article{border-color:#d8e6f1!important;border-radius:15px!important;box-shadow:0 5px 14px rgba(48,74,110,.06)}.focus-card{border-radius:20px!important;background:radial-gradient(circle at 85% 15%,rgba(123,224,255,.25),transparent 8rem),linear-gradient(135deg,#34336f,#4b79c6)!important;box-shadow:0 15px 27px rgba(50,68,156,.2)}.reward,.plan-card,.notebook-card,.teacher-card,.accessibility-card,.ranking-card{border-color:#d8e6f1!important;border-radius:15px!important;background:#fff!important;box-shadow:0 6px 16px rgba(47,75,113,.055)}.reward-icon{background:#f0edff!important}.subject-row i{height:8px!important;background:#e8eff5!important}.subject-row i b{background:linear-gradient(90deg,#5a58d7,#43b7de)!important}.review-card{border:1px solid #f0ddbb;border-radius:15px;background:#fffaf1!important}.saved-entry{border-color:#d8e6f1!important;border-radius:13px!important;box-shadow:0 4px 12px rgba(44,71,110,.05)}.review-screen{width:min(100%,760px)!important}.review-highlight{border-radius:20px!important;box-shadow:var(--stellar-small-shadow)}.review-item-card{border-color:#d8e6f1!important;border-radius:14px!important;box-shadow:0 4px 12px rgba(44,71,110,.045)}
.app-nav{bottom:20px!important;padding:7px!important;border-color:#d8e6f1!important;border-radius:20px!important;background:rgba(255,255,255,.94)!important;box-shadow:0 16px 38px rgba(31,57,96,.2)!important}.app-nav button{min-width:83px;border-radius:14px!important}.app-nav button.active{background:linear-gradient(135deg,#e8efff,#e7f8ff)!important;color:#4b55ce!important}
@keyframes stellar-in{from{opacity:0;transform:translateY(12px) scale(.985)}to{opacity:1;transform:none}}@keyframes pet-float{0%,100%{transform:translateY(0) rotate(-1.5deg)}50%{transform:translateY(-9px) rotate(1.5deg)}}@keyframes twinkle{0%,100%{opacity:.5;transform:scale(.84)}50%{opacity:1;transform:scale(1.14)}}
@media(max-width:980px){.app-shell{grid-template-columns:260px minmax(0,1fr)}.hero-panel{padding:28px 25px}.hero-copy{margin-top:75px}.hero-copy h1{font-size:37px}.mascot{height:184px}.hero-panel .mascot:after{width:178px;height:178px}.content-panel{padding-left:35px;padding-right:35px}}
@media(max-width:760px){.app-shell{display:block;overflow:visible}.hero-panel{position:relative;min-height:254px;padding:25px 24px}.hero-copy{margin:28px 0 0}.hero-copy h1{max-width:245px;margin:11px 0;font-size:35px}.hero-copy p{max-width:255px;margin:0;font-size:13px}.hero-panel .eyebrow,.hero-footer{display:none}.mascot{position:absolute;right:17px;bottom:-11px;width:164px;height:164px;margin:0}.hero-panel .mascot:after{width:166px;height:166px}.content-panel{padding:23px 18px 102px}.screen{width:100%}.auth-screen{margin:0!important}.auth-card{padding:25px!important;border-radius:23px!important}.auth-card h2{font-size:31px!important}.subject-welcome{padding:21px;border-radius:20px}.subject-welcome h2{font-size:31px}.subject-grid{gap:11px}.subject-card{min-height:157px;padding:14px!important;border-radius:19px!important}.subject-card .subject-art{width:52px;height:52px;border-radius:16px}.subject-art img{width:39px;height:39px}.subject-card strong{font-size:15px!important}.subject-card small{font-size:10px!important}.duo-topbar{margin-bottom:19px}.duo-stats span{padding:6px 7px}.duo-stats span:nth-child(2){display:none}.profile-mini b{display:none}.study-brief{display:block;padding:20px}.study-brief .creator-title{font-size:29px}.enem-shortcut{width:100%;margin-top:14px}.lesson-path{min-height:383px}.quiz-header{margin:-10px -4px 18px!important;padding-left:4px;padding-right:4px}.quiz-header .listen-button{display:none}.quiz-screen h2{font-size:25px}.answer{min-height:57px;font-size:14px!important}.dashboard-header h2{font-size:30px}.result-screen{margin-top:0;padding:27px 18px;border-radius:23px}.app-nav{bottom:10px!important}.app-nav button{min-width:71px;padding:6px 7px!important}.review-steps i{width:19px}}