@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--navy:#102b46;--navy2:#183c5d;--teal:#20ad9c;--teal-dark:#108a7d;--ink:#192c3f;--muted:#758397;--line:#e7edf3;--paper:#fff;--bg:#f5f7fa;--soft:#e9f7f5;--gold:#e0ad54;--shadow:0 14px 40px rgba(26,48,72,.08);font-family:'DM Sans',sans-serif;color:var(--ink);font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;background:var(--bg);min-width:320px}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.boot{height:100dvh;display:grid;place-content:center;justify-items:center;color:var(--muted);gap:16px}.boot p{margin:0}.brand-mark{display:grid;place-items:center;width:48px;height:48px;border-radius:16px;background:var(--teal);color:#fff;font:800 24px Manrope;box-shadow:0 8px 18px #20ad9c55}.auth-layout{min-height:100dvh;display:grid;grid-template-columns:minmax(360px,48%) 1fr;background:#fff}.auth-visual{background:linear-gradient(145deg,rgba(11,37,61,.94),rgba(20,57,83,.86)),radial-gradient(ellipse at 65% 30%,#1ba99e,transparent 45%);color:#fff;padding:52px clamp(34px,7vw,110px);display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.auth-visual:after{content:'';position:absolute;width:520px;height:520px;border:1px solid #ffffff13;border-radius:50%;right:-150px;bottom:-240px;box-shadow:0 0 0 45px #ffffff08,0 0 0 90px #ffffff06}.brand{display:flex;align-items:center;gap:12px;font:800 18px Manrope;letter-spacing:-.5px}.brand .brand-mark{width:39px;height:39px;border-radius:13px;font-size:19px}.auth-message{max-width:520px;position:relative;z-index:1}.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--teal-dark)}.auth-visual .eyebrow{color:#9be6d8}.auth-message h1{font:800 clamp(38px,5vw,61px)/1.06 Manrope;margin:18px 0}.auth-message p{font-size:16px;line-height:1.75;color:#d8e4ec;max-width:450px}.feature-line{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}.feature-pill{padding:10px 13px;border-radius:30px;background:#ffffff10;border:1px solid #ffffff1b;font-size:12px;color:#f1f8fa}.auth-foot{font-size:12px;color:#b5c5d2;position:relative;z-index:1}.auth-panel{display:grid;place-items:center;padding:40px 24px}.auth-box{width:min(420px,100%)}.auth-box h2{font:800 28px Manrope;letter-spacing:-.8px;margin:0 0 10px}.auth-box>p{color:var(--muted);line-height:1.6;margin:0 0 28px}.field{display:grid;gap:8px;margin:17px 0}.field label{font-size:13px;font-weight:700;color:#34485e}.field input,.field textarea,.field select{width:100%;border:1px solid #dce4ec;border-radius:10px;padding:12px 13px;background:#fff;outline:none;color:var(--ink)}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--teal);box-shadow:0 0 0 3px #20ad9c1a}.field textarea{min-height:90px;resize:vertical}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:10px;padding:11px 16px;font-size:13px;font-weight:700;transition:.2s}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--teal);color:white;box-shadow:0 5px 15px #20ad9c30}.btn-primary:hover{background:var(--teal-dark)}.btn-dark{background:var(--navy);color:white}.btn-outline{border:1px solid #dbe4ec;background:white;color:#31485f}.btn-quiet{background:#eef3f6;color:#30465a}.btn-small{padding:8px 11px;font-size:12px;border-radius:8px}.btn-full{width:100%;margin-top:6px}.form-note{font-size:12px;line-height:1.55;color:var(--muted);margin-top:15px}.shell{min-height:100dvh}.topbar{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(18px,4vw,54px);position:sticky;top:0;z-index:20}.topbar .brand{color:var(--navy)}.top-right{display:flex;align-items:center;gap:18px}.online-status{color:#7a8796;font-size:12px}.online-status:before{content:'';display:inline-block;width:7px;height:7px;margin-right:7px;border-radius:50%;background:#33bc98}.avatar{width:38px;height:38px;border-radius:50%;background:var(--soft);color:var(--teal-dark);display:grid;place-items:center;font-weight:800;font-size:13px}.user-menu{display:flex;align-items:center;gap:10px}.user-name{font-size:12px;font-weight:700}.user-role{display:block;font-size:10px;color:var(--muted);font-weight:500;margin-top:2px}.layout{display:grid;grid-template-columns:236px 1fr;max-width:1480px;margin:auto}.sidebar{padding:30px 18px 24px 26px;position:sticky;top:72px;height:calc(100dvh - 72px);border-right:1px solid var(--line);background:var(--bg)}.nav-label{font-size:10px;color:#9aa6b4;letter-spacing:1.3px;text-transform:uppercase;font-weight:700;padding:8px 12px}.nav-list{display:grid;gap:5px;margin-bottom:28px}.nav-item{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:9px;color:#647488;font-size:13px;font-weight:600;cursor:pointer;border:0;background:transparent;text-align:left}.nav-item:hover,.nav-item.active{color:var(--navy);background:#e9eef4}.nav-item.active{box-shadow:inset 3px 0 var(--teal)}.nav-icon{width:19px;text-align:center;font-size:16px}.sidebar-note{position:absolute;bottom:25px;left:24px;right:20px;padding:15px;border-radius:12px;background:#e8f5f3;color:#55716f;font-size:11px;line-height:1.55}.main{padding:34px clamp(20px,4vw,54px) 70px;min-width:0}.welcome-row{display:flex;justify-content:space-between;align-items:end;gap:18px;margin:0 0 25px}.welcome-row h1{font:800 clamp(25px,3vw,34px)/1.2 Manrope;letter-spacing:-1.2px;margin:8px 0 5px;color:var(--navy)}.welcome-row p{font-size:13px;color:var(--muted);margin:0}.date-chip{padding:10px 13px;background:#fff;border:1px solid var(--line);border-radius:9px;font-size:11px;color:#66778b;white-space:nowrap}.hero{position:relative;overflow:hidden;min-height:208px;border-radius:17px;padding:30px 34px;color:#fff;background:linear-gradient(110deg,#102b46,#194967 64%,#147e79);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:25px}.hero:after{content:'';position:absolute;width:280px;height:280px;border-radius:50%;border:1px solid #ffffff1d;right:13%;top:-105px;box-shadow:0 0 0 35px #ffffff09,0 0 0 70px #ffffff07}.hero-copy{position:relative;z-index:1;max-width:600px}.hero .eyebrow{color:#91e2d3}.hero h2{font:800 clamp(23px,3vw,32px)/1.15 Manrope;letter-spacing:-.8px;margin:10px 0}.hero p{max-width:530px;color:#dae7ed;font-size:13px;line-height:1.6;margin:0 0 19px}.hero-art{font-size:76px;opacity:.92;position:relative;z-index:1;margin-right:4vw}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:30px}.metric{padding:18px 20px;border:1px solid var(--line);border-radius:13px;background:#fff;display:flex;align-items:center;gap:15px}.metric-icon{width:43px;height:43px;border-radius:12px;background:#edf8f6;color:#168c80;display:grid;place-items:center;font-size:20px}.metric strong{display:block;font:800 22px Manrope;color:var(--navy)}.metric span{font-size:11px;color:var(--muted);display:block;margin-top:2px}.section-head{display:flex;justify-content:space-between;align-items:center;margin:27px 0 15px}.section-head h2{font:800 18px Manrope;letter-spacing:-.5px;margin:0;color:var(--navy)}.section-head p{font-size:11px;color:var(--muted);margin:4px 0 0}.text-action{color:var(--teal-dark);font-size:12px;font-weight:700;border:0;background:none}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.course-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.2s;min-width:0}.course-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.course-cover{height:130px;padding:18px;position:relative;color:#fff;display:flex;align-items:end;overflow:hidden;background:linear-gradient(135deg,#1b536a,#19a792)}.course-cover:after{content:'';position:absolute;width:190px;height:190px;border:1px solid #ffffff2a;border-radius:50%;right:-40px;top:-65px;box-shadow:0 0 0 26px #ffffff0c,0 0 0 52px #ffffff0a}.course-cover.admin{background:linear-gradient(135deg,#214c69,#276e8a)}.course-cover.log{background:linear-gradient(135deg,#885d36,#d39b45)}.course-cover.excel{background:linear-gradient(135deg,#166e62,#2aa58c)}.course-cover.ads{background:linear-gradient(135deg,#404a78,#7064b8)}.cover-symbol{position:absolute;right:21px;top:20px;font-size:33px;z-index:1;opacity:.95}.course-tag{position:relative;z-index:1;font-size:10px;font-weight:700;letter-spacing:.7px;text-transform:uppercase;background:#ffffff22;padding:6px 9px;border-radius:20px}.course-content{padding:17px}.course-content h3{font:700 16px Manrope;color:var(--navy);margin:0 0 7px}.course-content p{min-height:40px;margin:0 0 13px;font-size:11px;line-height:1.55;color:var(--muted)}.course-meta{display:flex;gap:14px;border-top:1px solid var(--line);padding-top:12px;color:#708095;font-size:10px}.course-foot{display:flex;align-items:center;justify-content:space-between;margin-top:13px}.progress-label{font-size:10px;color:#748397}.progressbar{height:5px;border-radius:10px;background:#eaf0f4;overflow:hidden;margin-top:7px}.progressbar i{height:100%;display:block;background:var(--teal);border-radius:10px}.course-empty{background:white;border:1px dashed #cfdae4;padding:25px;border-radius:14px;text-align:center;color:var(--muted);grid-column:1/-1}.course-empty b{color:var(--navy);display:block;margin:0 0 7px}.catalog-toolbar{display:flex;align-items:center;gap:12px;margin:18px 0}.search{min-width:220px;max-width:360px;flex:1;position:relative}.search input{width:100%;border:1px solid var(--line);border-radius:9px;padding:10px 14px 10px 37px;background:#fff}.search:before{content:'⌕';position:absolute;left:13px;top:8px;font-size:18px;color:#8090a2}.select-filter{border:1px solid var(--line);border-radius:9px;background:#fff;padding:10px;color:#4c5d70;font-size:12px}.course-open{display:block;width:100%;text-align:center;border:1px solid var(--line);background:white;color:var(--navy);padding:9px;border-radius:8px;font-weight:700;font-size:11px}.course-open:hover{background:var(--navy);color:white}.blank-state{padding:55px 30px;background:#fff;text-align:center;border:1px solid var(--line);border-radius:14px}.blank-state .blank-icon{font-size:35px}.blank-state h3{font:800 18px Manrope;color:var(--navy);margin:12px 0 6px}.blank-state p{font-size:12px;line-height:1.6;color:var(--muted);max-width:480px;margin:0 auto 18px}.course-detail-head{background:#fff;border:1px solid var(--line);border-radius:15px;padding:23px 26px;margin-bottom:18px;display:flex;justify-content:space-between;gap:20px}.course-detail-head h1{font:800 25px Manrope;color:var(--navy);margin:7px 0}.course-detail-head p{color:var(--muted);font-size:12px;line-height:1.55;margin:0;max-width:700px}.module{border:1px solid var(--line);background:#fff;border-radius:12px;margin-bottom:12px;overflow:hidden}.module-title{display:flex;justify-content:space-between;align-items:center;padding:16px 19px;font-weight:700;font-size:13px;color:var(--navy)}.lesson-row{display:flex;align-items:center;gap:12px;border-top:1px solid #edf1f5;padding:13px 19px;cursor:pointer}.lesson-row:hover{background:#f8fafb}.lesson-play{width:31px;height:31px;border-radius:50%;display:grid;place-items:center;color:var(--teal-dark);background:#e8f6f3;font-size:12px;flex:none}.lesson-title{font-size:12px;font-weight:600;color:#34495e;flex:1}.lesson-duration{font-size:10px;color:#93a0af}.player-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:start}.player-main{min-width:0}.video-frame{position:relative;width:100%;aspect-ratio:16/9;background:#102b46;border-radius:13px;overflow:hidden;box-shadow:var(--shadow)}.video-frame iframe{width:100%;height:100%;border:0}.video-placeholder{height:100%;display:grid;place-content:center;text-align:center;color:#d8e4ec;padding:25px}.video-placeholder strong{font:700 17px Manrope;margin:12px}.video-placeholder span{font-size:12px;color:#b9c8d2}.lesson-info{padding:20px 4px}.lesson-info h1{font:800 23px Manrope;color:var(--navy);margin:0 0 9px}.lesson-info p{font-size:12px;line-height:1.7;color:var(--muted)}.player-sidebar{background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden}.player-sidebar h3{font:700 13px Manrope;margin:0;padding:16px;border-bottom:1px solid var(--line);color:var(--navy)}.player-sidebar .lesson-row{padding:11px 13px}.player-sidebar .lesson-title{font-size:11px}.player-sidebar .lesson-row.current{background:#eef8f6}.checkline{display:flex;align-items:center;gap:9px;color:#31475d;font-size:12px;font-weight:700}.checkline input{accent-color:var(--teal);width:17px;height:17px}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.panel{background:#fff;border:1px solid var(--line);border-radius:13px;padding:20px}.panel h3{font:700 15px Manrope;color:var(--navy);margin:0 0 6px}.panel>p{font-size:11px;line-height:1.55;color:var(--muted);margin:0 0 15px}.admin-list{display:grid;gap:9px}.admin-course-row{border:1px solid var(--line);border-radius:9px;padding:11px 12px;display:flex;justify-content:space-between;gap:10px;align-items:center}.admin-course-row strong{font-size:12px;color:var(--navy)}.admin-course-row small{display:block;font-size:10px;color:var(--muted);margin-top:4px}.badge{font-size:9px;font-weight:700;padding:5px 8px;border-radius:20px;background:#edf2f6;color:#617287}.badge.published{background:#e4f5ef;color:#168263}.badge.draft{background:#fff4dd;color:#9a6a16}.notice{padding:12px 14px;border-radius:9px;background:#eef7fb;border:1px solid #dcecf3;font-size:11px;line-height:1.55;color:#4f7083;margin-bottom:16px}.install-card{padding:24px;border:1px solid var(--line);border-radius:14px;background:#fff;max-width:750px}.install-card h2{font:800 19px Manrope;color:var(--navy);margin:0 0 9px}.install-card p{color:var(--muted);font-size:12px;line-height:1.7}.install-steps{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}.install-step{background:#f7f9fb;border-radius:10px;padding:15px}.install-step strong{font-size:12px;color:var(--navy)}.install-step p{margin:6px 0 0}.toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%,20px);padding:12px 17px;background:var(--navy);color:#fff;border-radius:10px;font-size:12px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.2s;z-index:99;max-width:calc(100vw - 30px)}.toast.show{opacity:1;transform:translate(-50%,0)}.dialog{border:0;border-radius:16px;width:min(520px,calc(100vw - 28px));padding:25px;box-shadow:0 20px 70px #102b4644}.dialog::backdrop{background:#102b4680;backdrop-filter:blur(3px)}.dialog h2{font:800 19px Manrope;color:var(--navy);margin:0 0 8px}.dialog p{font-size:12px;line-height:1.6;color:var(--muted)}.dialog-actions{display:flex;justify-content:end;gap:9px;margin-top:18px}.page-loading{padding:60px;text-align:center;color:var(--muted)}.small-muted{font-size:10px;color:var(--muted)}.footer-note{font-size:10px;color:#9aa5b3;text-align:center;margin-top:36px}.mobile-menu{display:none}
@media(max-width:1050px){.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.layout{grid-template-columns:205px 1fr}.sidebar{padding-left:15px}.player-layout{grid-template-columns:minmax(0,1fr) 270px}}
@media(max-width:760px){.auth-layout{grid-template-columns:1fr}.auth-visual{min-height:245px;padding:25px 25px}.auth-message{margin:28px 0 16px}.auth-message h1{font-size:34px;margin:10px 0}.auth-message p{font-size:13px;margin:0}.auth-visual .feature-line,.auth-foot{display:none}.auth-panel{padding:29px 24px 42px;align-items:start}.auth-box h2{font-size:25px}.topbar{height:62px;padding:0 16px}.topbar .brand{font-size:15px}.topbar .brand-mark{height:34px;width:34px;border-radius:11px}.top-right{gap:12px}.user-name,.online-status{display:none}.layout{display:block}.sidebar{display:none;position:fixed;z-index:30;top:62px;left:0;right:0;height:auto;padding:12px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.sidebar.open{display:block}.sidebar .nav-list{display:flex;overflow-x:auto;gap:5px;margin:0}.sidebar .nav-label,.sidebar-note{display:none}.nav-item{white-space:nowrap;padding:9px 11px;font-size:11px}.nav-item.active{box-shadow:inset 0 -3px var(--teal)}.nav-icon{font-size:14px;width:auto}.mobile-menu{display:inline-flex;padding:8px 9px;border:1px solid var(--line);background:white;border-radius:8px;color:var(--navy)}.topbar-left{display:flex;align-items:center;gap:10px}.main{padding:23px 16px 45px}.welcome-row{align-items:start;margin-bottom:17px}.welcome-row h1{font-size:26px}.date-chip{display:none}.hero{min-height:auto;padding:22px 20px;border-radius:13px;margin-bottom:16px}.hero h2{font-size:24px}.hero p{font-size:11px}.hero-art{font-size:47px;margin-right:0}.metrics{gap:8px;margin-bottom:24px}.metric{padding:12px 10px;gap:8px;align-items:flex-start}.metric-icon{width:33px;height:33px;font-size:15px;border-radius:9px}.metric strong{font-size:17px}.metric span{font-size:9px;line-height:1.3}.course-grid{grid-template-columns:1fr;gap:12px}.course-cover{height:112px}.course-content p{min-height:0}.section-head{margin:22px 0 12px}.catalog-toolbar{flex-wrap:wrap}.search{max-width:none;flex-basis:100%}.select-filter{flex:1}.player-layout{grid-template-columns:1fr}.player-sidebar{order:2}.player-sidebar .lesson-list{max-height:270px;overflow:auto}.course-detail-head{padding:17px;flex-direction:column}.course-detail-head h1{font-size:21px}.admin-grid{grid-template-columns:1fr}.install-steps{grid-template-columns:1fr}.panel{padding:16px}.hero-art{display:none}.player-frame{border-radius:9px}.lesson-info h1{font-size:20px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}
.source-credit{margin-top:12px!important;font-size:11px!important}.source-credit a,.legal-page a:not(.btn){color:var(--teal-dark);font-weight:700;text-decoration:underline;text-underline-offset:2px}.credential-note{border-left:3px solid var(--gold);background:#fff8e9;padding:10px 12px;margin-top:12px!important;border-radius:0 7px 7px 0;font-size:10px!important}.embed-note{font-size:11px;line-height:1.6;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:9px;padding:11px 14px;margin-top:10px}.embed-note a{color:var(--teal-dark);font-weight:700}.certificate-panel{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:13px;margin:18px 0}.certificate-panel h2{font:800 16px Manrope;color:var(--navy);margin:0 0 5px}.certificate-panel p{max-width:680px;margin:0;color:var(--muted);font-size:11px;line-height:1.6}.certificate-panel button:disabled{opacity:.6;cursor:not-allowed;transform:none}.quiz-block{padding:16px 18px;border-top:1px solid var(--line);background:#fbfcfd}.quiz-heading{display:flex;justify-content:space-between;gap:12px;align-items:start}.quiz-heading strong{font:700 13px Manrope;color:var(--navy)}.quiz-heading p{font-size:10px;color:var(--muted);margin:5px 0 12px}.quiz-question{border:0;border-top:1px solid #e8edf1;padding:12px 0 4px;margin:0}.quiz-question legend{font-size:11px;font-weight:700;color:#34495e;padding:0 0 8px}.quiz-option{display:flex;gap:8px;align-items:start;padding:5px 0;color:#596a7d;font-size:11px;cursor:pointer}.quiz-option input{accent-color:var(--teal);margin-top:1px}.quiz-form{display:grid;gap:8px}.quiz-status{font-size:11px;color:var(--teal-dark);font-weight:700}.profile-panel{max-width:650px}.legal-page{max-width:850px;margin:0 auto;padding:35px 24px 65px}.legal-brand{color:var(--navy);margin-bottom:45px}.legal-intro{margin-bottom:25px}.legal-intro h1{font:800 clamp(26px,4vw,38px) Manrope;color:var(--navy);margin:10px 0}.legal-intro p{font-size:12px;color:var(--muted)}.legal-section{padding:24px;margin:18px 0;background:#fff;border:1px solid var(--line);border-radius:13px;scroll-margin-top:20px}.legal-section h2{font:800 21px Manrope;color:var(--navy);margin:0 0 18px}.legal-section h3{font:700 13px Manrope;color:var(--navy);margin:18px 0 6px}.legal-section p{font-size:12px;line-height:1.75;color:#596a7c}.legal-section a{overflow-wrap:anywhere}.form-note a{color:var(--teal-dark);font-weight:700}.help-toc{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}.help-toc a{padding:8px 11px;background:#fff;border:1px solid var(--line);border-radius:20px;font-size:11px;font-weight:700;color:#52657a}.help-toc a:hover{color:var(--teal-dark);border-color:var(--teal)}.help-page .legal-section{scroll-margin-top:16px}.help-page .legal-section ol{padding-left:22px;margin:0;color:#596a7c;font-size:12px;line-height:1.85}.help-page .legal-section li{padding-left:4px;margin:4px 0}.help-page .legal-section strong{color:var(--navy)}.help-page .legal-section p+p{margin-top:12px}.help-page>.btn{margin-top:8px}
@media(max-width:760px){.certificate-panel{align-items:start;flex-direction:column}.certificate-panel button{width:100%}.legal-page{padding:22px 16px 45px}.legal-brand{margin-bottom:30px}.legal-section{padding:17px}}
.public-catalog-preview{margin:24px 0 17px;padding-top:18px;border-top:1px solid var(--line)}.public-catalog-preview>.eyebrow{display:block;margin-bottom:10px}.public-course-list{display:grid;gap:9px}.public-course-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px;border:1px solid var(--line);border-radius:10px;background:#fbfcfd}.public-course-item strong{font:700 12px Manrope;color:var(--navy)}.public-course-item p{font-size:10px;line-height:1.5;color:var(--muted);margin:4px 0}.public-course-item small{font-size:9px;color:#76879a}

/* v11 — catálogo, navegação e leitura com menos ruído */
:root{--teal:#146f66;--teal-dark:#105b55;--muted:#596b7d;--bg:#f7f8fa;--soft:#e8f5f3;--shadow:0 10px 30px rgba(26,48,72,.07)}
body{color:var(--ink);background:var(--bg)}
.btn-primary{background:var(--teal);color:#fff;box-shadow:none}
.btn-primary:hover{background:#105b55}
.btn-outline{color:#2f4357}
.form-note,.course-content p,.course-meta,.small-muted,.footer-note,.online-status,.user-role{color:var(--muted)}
.eyebrow{color:#105b55}
.nav-label{color:#58697a;font-size:10px;letter-spacing:1px}
.sidebar{background:#f7f8fa;border-right:1px solid #e2e8ee}
.nav-item{color:#465a6e}
.nav-item:hover,.nav-item.active{color:#102b46;background:#e9f2f1}
.nav-item.active{box-shadow:inset 3px 0 #146f66}
.nav-admin{padding-top:8px;border-top:1px solid #e1e7ec}
.topbar{box-shadow:0 1px 0 rgba(16,43,70,.02)}
.top-right{gap:14px}
.user-name{color:#263c50}
.user-role{font-size:11px}
.main{max-width:1480px;margin:0 auto}
.course-grid{align-items:stretch;gap:18px}
.course-card{display:flex;flex-direction:column;border-color:#e1e7ec;box-shadow:0 2px 8px rgba(26,48,72,.025)}
.course-card:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(26,48,72,.09)}
.course-cover{height:78px;padding:14px 16px;background:#eef3f4;color:#173d55}
.course-cover:after{display:none}
.course-cover.admin{background:#eef2f6;color:#254d68}
.course-cover.log{background:#f3f0e9;color:#624d29}
.course-cover.excel{background:#eaf4ef;color:#285a48}
.course-cover.ads{background:#eeeff6;color:#45436e}
.course-cover.business{background:#e7f2ef;color:#145c53}
.cover-symbol{right:18px;top:13px;font-size:25px;opacity:.82}
.course-tag{background:#fff;color:#263e52;border:1px solid rgba(16,43,70,.08);letter-spacing:.2px;text-transform:none}
.course-content{display:flex;flex:1;flex-direction:column;padding:18px}
.course-content h3{font-size:15px;line-height:1.35;min-height:40px;margin-bottom:8px}
.course-content p{font-size:12px;line-height:1.55;min-height:56px;margin-bottom:13px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.course-meta{font-size:11px;justify-content:space-between;flex-wrap:wrap}
.course-foot{margin-top:auto;padding-top:14px}
.course-open{border:0;background:#edf3f3;color:#163e4c;padding:11px 12px;font-size:12px}
.course-open:hover{background:#146f66;color:white}
.progress-line{display:flex;justify-content:space-between;gap:10px;margin-top:14px;color:#526477;font-size:11px}
.progress-line b{color:#105b55}
.progressbar{margin-top:7px}
.catalog-toolbar{margin:20px 0 12px}
.search{max-width:540px}
.search input{padding:12px 14px 12px 39px;border-color:#d4dde5;color:#23394e}
.search:before{top:9px;color:#58697a}
.category-filters{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 14px}
.category-filter{display:inline-flex;align-items:center;gap:8px;border:1px solid #dbe3e9;border-radius:999px;background:#fff;color:#354b60;padding:8px 12px;font-size:12px;font-weight:700}
.category-filter span{display:inline-grid;place-items:center;min-width:20px;height:20px;border-radius:99px;background:#eef2f5;color:#42566a;font-size:10px}
.category-filter:hover,.category-filter.active{border-color:#146f66;background:#eaf4f2;color:#104f49}
.category-filter.active span{background:#d3e9e5;color:#104f49}
.catalog-count{font-size:12px;color:#58697a;margin:6px 0 12px}
.course-detail-head{box-shadow:0 2px 8px rgba(26,48,72,.025)}
.module{border-color:#dfe6eb;border-radius:12px}
.module-summary{display:flex;align-items:center;justify-content:space-between;gap:12px;list-style:none;cursor:pointer;padding:16px 18px;color:#183c55;background:#fff}
.module-summary::-webkit-details-marker{display:none}
.module-summary:after{content:'+';font-size:19px;font-weight:500;color:#105b55;line-height:1}
.module[open]>.module-summary:after{content:'−'}
.module-summary:hover{background:#f8fafb}
.module-summary:focus-visible,.category-filter:focus-visible,.nav-item:focus-visible,.course-open:focus-visible,.lesson-row:focus-visible,.mobile-menu:focus-visible,.btn:focus-visible{outline:3px solid #116d65;outline-offset:2px}
.module-name{font-size:13px;font-weight:700}
.module-summary-meta{margin-left:auto;font-size:11px;color:#596b7d;white-space:nowrap}
.module-body{padding:0 14px 12px}
.module-body .source-credit{margin:3px 4px 9px!important}
.lesson-row{width:100%;text-align:left;background:#fff;border:0;color:inherit;font:inherit}
.lesson-row:hover{background:#f5f8f8}
.player-sidebar .lesson-row{border-top:1px solid #edf1f5}
.player-sidebar .lesson-row.current{background:#edf5f3}
.lesson-info p{white-space:pre-line;color:#43586d;font-size:14px;line-height:1.8;max-width:850px}
.lesson-title{color:#34495e}
.quiz-block{border:1px solid #e2e8ed;border-radius:10px;margin-top:12px;background:#f8fafb}
.quiz-option{color:#43566a;font-size:12px}
.small-muted{font-size:11px}
.footer-note{font-size:11px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:760px){
  .top-right{gap:8px}.user-identity{display:none}.topbar{padding:0 14px}
  .sidebar{display:none;position:fixed;z-index:30;top:62px;left:10px;right:10px;height:auto;max-height:calc(100dvh - 74px);overflow:auto;padding:14px;background:#fff;border:1px solid #dfe6eb;border-radius:0 0 14px 14px;box-shadow:0 16px 34px rgba(16,43,70,.16)}
  .sidebar.open{display:block}.sidebar .nav-list{display:grid;overflow:visible;gap:4px;margin:0 0 10px}.sidebar .nav-label{display:block;padding:9px 11px 5px}.sidebar .nav-item{white-space:normal;padding:12px 11px;font-size:13px}.sidebar .nav-item.active{box-shadow:inset 3px 0 #146f66}.nav-icon{width:20px}.nav-admin{padding-top:5px}
  .main{padding:22px 15px 44px}.catalog-toolbar{display:block}.search{max-width:none;width:100%}.category-filters{gap:7px}.category-filter{padding:8px 10px;font-size:11px}
  .course-grid{grid-template-columns:1fr}.course-card{max-width:none}.course-cover{height:68px}.course-content h3{min-height:0}.course-content p{min-height:0;-webkit-line-clamp:4}
  .module-summary{padding:15px 13px}.module-summary-meta{font-size:10px}.module-body{padding:0 9px 10px}.lesson-row{padding:11px 9px}.lesson-title{font-size:12px}.lesson-duration{font-size:10px}
}
@media(prefers-reduced-motion:reduce){.course-card:hover,.btn:hover{transform:none}}

/* v12 refinement from live visual review */
.hero{min-height:174px;background:#173e54;box-shadow:none;border:1px solid #244d63}
.hero:after,.hero-art{display:none!important}
.course-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}
.course-title-row h3{flex:1}
.course-title-row .badge{flex:none;margin-top:1px}

/* Keep the management screen focused while preserving keyboard-operable native accordions. */
.admin-accordion{padding:0;overflow:visible}
.admin-accordion>summary{display:flex;align-items:center;gap:10px;list-style:none;padding:18px;cursor:pointer}
.admin-accordion>summary::-webkit-details-marker{display:none}
.admin-accordion>summary:focus-visible{outline:3px solid #146f66;outline-offset:2px}
.admin-accordion-title{font-size:16px;font-weight:700;color:var(--ink)}
.admin-accordion-hint{margin-left:auto;font-size:12px;color:#596b7d;text-align:right}
.admin-accordion-chevron::before{content:"+";font-size:18px;font-weight:700;color:#146f66}
.admin-accordion[open] .admin-accordion-chevron::before{content:"−"}
.admin-accordion[open]>summary{border-bottom:1px solid var(--line);margin-bottom:16px}
.admin-accordion>p,.admin-accordion>form{margin-left:18px;margin-right:18px}
.admin-accordion>form{padding-bottom:18px}
@media(max-width:760px){.admin-accordion>summary{padding:15px 14px;flex-wrap:wrap}.admin-accordion-hint{width:100%;margin-left:0;text-align:left}.admin-accordion>p,.admin-accordion>form{margin-left:14px;margin-right:14px}}