:root{
  --navy:#102a43;--navy2:#173f5f;--blue:#2f6690;--gold:#c99a2e;--gold2:#f0c86a;
  --bg:#f5f7fb;--card:#fff;--ink:#17212b;--muted:#66788a;--line:#e2e8f0;
  --green:#237a57;--red:#b44444;--orange:#b86b21;--violet:#6657a8;--teal:#287b80;
  --shadow:0 12px 36px rgba(23,46,70,.10);--radius:18px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
a{color:inherit}
.hidden{display:none!important}
.muted{color:var(--muted)}
.small{font-size:.86rem}
.kicker{font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;font-weight:800;color:var(--blue)}
.shell{min-height:100vh;display:grid;grid-template-columns:270px 1fr}
.sidebar{background:linear-gradient(180deg,#102a43,#173f5f);color:white;padding:22px 18px;position:sticky;top:0;height:100vh;overflow:auto}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.brand-mark{width:46px;height:46px;border-radius:15px;background:linear-gradient(135deg,var(--gold2),var(--gold));display:grid;place-items:center;color:var(--navy);font-weight:900;font-size:1.3rem;box-shadow:0 8px 24px rgba(0,0,0,.18)}
.brand h1{font-size:1.02rem;line-height:1.1;margin:0}
.brand span{display:block;font-size:.72rem;color:#c9d7e4;margin-top:5px}
.nav-group{margin-top:16px}
.nav-label{font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;color:#91abc0;padding:8px 12px}
.nav-btn{width:100%;border:0;background:transparent;color:#dce7f0;padding:11px 12px;border-radius:12px;text-align:left;display:flex;align-items:center;gap:10px;margin:2px 0}
.nav-btn:hover,.nav-btn.active{background:rgba(255,255,255,.11);color:#fff}
.nav-btn.active{box-shadow:inset 3px 0 var(--gold2)}
.nav-dot{width:9px;height:9px;border-radius:999px;background:#7194af}
.nav-btn.active .nav-dot{background:var(--gold2)}
.sidebar-footer{margin-top:24px;border-top:1px solid rgba(255,255,255,.12);padding-top:16px}
.main{min-width:0}
.topbar{height:76px;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:20}
.topbar h2{font-size:1.12rem;margin:0}
.top-actions{display:flex;align-items:center;gap:9px}
.content{padding:26px 28px 50px;max-width:1550px;margin:0 auto}
.hero{background:linear-gradient(135deg,#102a43,#214f73);color:white;border-radius:26px;padding:28px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.hero:after{content:"∑  π  √  ∞  f(x)";position:absolute;right:-10px;bottom:-25px;font-size:5rem;font-weight:900;color:rgba(255,255,255,.055);letter-spacing:.06em;white-space:nowrap}
.hero h2{font-size:2rem;margin:4px 0 8px}
.hero p{margin:0;color:#d7e4ef;max-width:760px}
.hero-row{display:flex;align-items:end;justify-content:space-between;gap:20px;position:relative;z-index:1}
.clockbox{text-align:right}.clockbox strong{font-size:1.7rem;display:block}.clockbox span{color:#c8d9e8;font-size:.86rem}
.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.section{margin-top:22px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}
.section-head h3{margin:0;font-size:1.05rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:0 5px 18px rgba(23,46,70,.045)}
.stat{position:relative;overflow:hidden}
.stat .value{font-size:1.75rem;font-weight:850;line-height:1.05;margin-top:8px}
.stat .label{color:var(--muted);font-size:.82rem;margin-top:4px}
.stat:after{content:"";position:absolute;right:-25px;top:-25px;width:80px;height:80px;border-radius:50%;background:rgba(47,102,144,.07)}
.area-card{min-height:155px;border-top:4px solid var(--blue);transition:.18s;cursor:pointer}
.area-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.area-card.prof{border-top-color:var(--gold)}
.area-card.acad{border-top-color:var(--violet)}
.area-card.pess{border-top-color:var(--teal)}
.area-icon{font-size:1.45rem}
.area-card h3{margin:13px 0 5px}
.area-card p{margin:0;color:var(--muted);font-size:.88rem}
.btn{border:1px solid var(--line);background:#fff;padding:9px 13px;border-radius:11px;font-weight:700;color:var(--ink)}
.btn:hover{border-color:#b8c6d3}
.btn.primary{background:var(--navy);border-color:var(--navy);color:#fff}
.btn.gold{background:var(--gold);border-color:var(--gold);color:#13283b}
.btn.soft{background:#eef4f8;border-color:#dbe7ef;color:var(--navy)}
.btn.danger{background:#fff2f2;border-color:#f0caca;color:var(--red)}
.btn.sm{padding:6px 9px;font-size:.8rem;border-radius:9px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.pill{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:5px 9px;font-size:.75rem;font-weight:750;background:#edf3f7;color:#456}
.pill.green{background:#e8f5ef;color:var(--green)} .pill.red{background:#faecec;color:var(--red)}
.pill.gold{background:#fff4d9;color:#8b6516}.pill.violet{background:#f0edff;color:var(--violet)}
.list{display:flex;flex-direction:column;gap:9px}
.list-row{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px solid var(--line)}
.list-row:last-child{border-bottom:0}
.list-time{min-width:70px;font-weight:800;color:var(--navy)}
.list-main{flex:1;min-width:0}.list-main strong{display:block}.list-main span{display:block;color:var(--muted);font-size:.82rem;margin-top:3px}
.week{display:grid;grid-template-columns:repeat(7,minmax(130px,1fr));gap:10px;overflow-x:auto;padding-bottom:5px}
.day{background:#fff;border:1px solid var(--line);border-radius:14px;min-height:180px;padding:11px}
.day-head{font-weight:800;font-size:.82rem;padding-bottom:8px;border-bottom:1px solid var(--line);margin-bottom:8px}
.event{font-size:.76rem;border-left:3px solid var(--blue);background:#f3f7fa;padding:8px;border-radius:7px;margin:6px 0}
.event.profissional{border-color:var(--gold)}.event.academica,.event.faculdade{border-color:var(--violet)}.event.pessoal{border-color:var(--teal)}
.event strong{display:block;font-size:.78rem}.event span{color:var(--muted)}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}
table{width:100%;border-collapse:collapse;min-width:720px}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top;font-size:.85rem}
th{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:#6b7c8a;background:#f8fafc;position:sticky;top:0}
tr:last-child td{border-bottom:0}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}
.field label{font-size:.78rem;font-weight:800;color:#536575}
.field input,.field select,.field textarea{border:1px solid #d7e0e7;background:#fff;border-radius:11px;padding:10px 11px;outline:0;width:100%}
.field textarea{min-height:90px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:#86a8c1;box-shadow:0 0 0 3px rgba(47,102,144,.10)}
.toolbar{display:flex;gap:9px;align-items:center;flex-wrap:wrap}
.toolbar .grow{flex:1}
.notice{padding:12px 14px;border-radius:12px;background:#eef5fb;border:1px solid #d6e6f2;color:#30546f;font-size:.86rem}
.notice.warn{background:#fff7e5;border-color:#f2d89b;color:#80611d}
.notice.ok{background:#edf8f2;border-color:#cce8d9;color:#2d6b50}
.notice.error{background:#fff0f0;border-color:#efcaca;color:#974747}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.tab{border:1px solid var(--line);background:#fff;padding:8px 12px;border-radius:999px;font-weight:750;color:#566a7b}
.tab.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.school-class{display:grid;grid-template-columns:105px 1fr auto;gap:15px;align-items:center}
.school-time{font-size:1.05rem;font-weight:900;color:var(--navy)}
.school-class h4{margin:0 0 4px}.school-class p{margin:0;color:var(--muted);font-size:.84rem}
.actions{display:flex;gap:7px;flex-wrap:wrap}
.progress{height:9px;background:#e8edf2;border-radius:99px;overflow:hidden}.progress>span{display:block;height:100%;background:var(--blue);border-radius:99px}
.metric-pair{display:flex;justify-content:space-between;gap:10px;font-size:.8rem;margin-bottom:6px}
.bncc-group{margin-bottom:18px}.bncc-group h4{margin:0 0 8px;color:var(--navy)}
.bncc-item{padding:13px;border:1px solid var(--line);border-radius:12px;margin:8px 0;background:#fff}
.bncc-code{font-weight:900;color:var(--blue);font-size:.8rem}
.bncc-item p{margin:6px 0;font-size:.85rem;line-height:1.45}
.obj{display:inline-block;background:#f2f5f8;border-radius:7px;padding:4px 7px;margin:2px;font-size:.73rem;color:#536777}
.modal-back{position:fixed;inset:0;background:rgba(12,28,42,.62);display:flex;align-items:center;justify-content:center;padding:24px;z-index:100}
.modal{background:#fff;width:min(1040px,100%);max-height:92vh;overflow:auto;border-radius:22px;box-shadow:0 25px 90px rgba(0,0,0,.28)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:2}
.modal-head h3{margin:0}.modal-body{padding:20px}
.modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:15px 20px;border-top:1px solid var(--line);position:sticky;bottom:0;background:#fff}
.login-screen{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr;background:#edf2f7}
.login-art{background:linear-gradient(145deg,#102a43,#1c4b70);color:#fff;padding:55px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.login-art:after{content:"π   √x   Σ   ∞\A f(x)   Δ   x²";white-space:pre;position:absolute;right:-10px;bottom:-40px;font-size:6rem;font-weight:900;color:rgba(255,255,255,.055);line-height:1.2}
.login-art h1{font-size:3rem;line-height:1.05;margin:12px 0}.login-art p{font-size:1.05rem;color:#d3e1ec;max-width:560px}
.login-form-wrap{display:flex;align-items:center;justify-content:center;padding:35px}
.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:var(--shadow)}
.login-card h2{margin:0 0 6px}.login-card p{margin:0 0 22px;color:var(--muted)}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:800}
.toast-stack{position:fixed;right:20px;bottom:20px;z-index:300;display:flex;flex-direction:column;gap:8px}
.toast{background:#102a43;color:#fff;padding:12px 14px;border-radius:12px;box-shadow:var(--shadow);min-width:260px;font-size:.85rem}
.toast.error{background:#8f3d3d}.toast.ok{background:#24684e}
.mobile-menu{display:none}
.empty{padding:30px;text-align:center;color:var(--muted)}
.public{background:#f7f8fb;min-height:100vh}
.public-nav{height:70px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(22px,calc((100vw - 1180px)/2))}
.public-nav .logo{font-weight:900;color:var(--navy)}
.public-main{max-width:1180px;margin:0 auto;padding:38px 22px 70px}
.public-hero{background:linear-gradient(135deg,#102a43,#245a82);color:#fff;border-radius:28px;padding:44px;position:relative;overflow:hidden}
.public-hero h1{font-size:clamp(2rem,4vw,3.5rem);line-height:1.02;margin:8px 0 14px;max-width:780px}
.public-hero p{max-width:720px;color:#d8e4ee;font-size:1.05rem}
.public-hero:after{content:"MATEMÁTICA • EDUCAÇÃO • APRENDIZAGEM";position:absolute;bottom:18px;right:-20px;font-size:1.1rem;letter-spacing:.12em;color:rgba(255,255,255,.09);font-weight:900}
.feature{background:#fff;border:1px solid var(--line);padding:22px;border-radius:18px}
.slot{border:1px solid var(--line);background:#fff;padding:12px;border-radius:12px;display:flex;justify-content:space-between;gap:12px;align-items:center;margin:7px 0}
.slot.selected{border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,154,46,.13)}
@media(max-width:1050px){
 .shell{grid-template-columns:1fr}.sidebar{position:fixed;z-index:60;width:280px;transform:translateX(-100%);transition:.2s}.sidebar.open{transform:translateX(0)}
 .mobile-menu{display:inline-flex}.grid-4{grid-template-columns:repeat(2,1fr)}.topbar{padding:0 18px}.content{padding:20px 18px 45px}
}
@media(max-width:760px){
 .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}.hero-row{display:block}.clockbox{text-align:left;margin-top:18px}
 .form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.school-class{grid-template-columns:1fr}.school-time{font-size:.9rem}.actions{margin-top:5px}
 .login-screen{grid-template-columns:1fr}.login-art{display:none}.login-form-wrap{min-height:100vh}.week{grid-template-columns:repeat(7,220px)}
 .public-hero{padding:30px 24px}
}