:root{--d-blue:#0b2f6b;--d-blue2:#0d5be1;--d-orange:#ff6b24;--d-bg:#f4f7fb;--d-text:#172b4d;--d-muted:#75849b;--d-border:#e3e9f2;--d-ok:#0ba86b;--d-danger:#db3d52;--d-shadow:0 16px 45px rgba(14,43,82,.08)}*{box-sizing:border-box}html,body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--d-text);background:var(--d-bg)}body{min-height:100vh}a{text-decoration:none;color:inherit}.dt-shell{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100vh}.dt-side{position:sticky;top:0;height:100vh;background:linear-gradient(180deg,#071f49,#0b3477 62%,#0b2f6b);color:#fff;padding:20px 14px;z-index:40;overflow:auto}.dt-brand{display:flex;align-items:center;gap:10px;padding:3px 8px 20px}.dt-brand img{width:39px;height:39px;border-radius:12px}.dt-brand b{display:block;font-size:14px}.dt-brand small{font-size:10px;opacity:.72}.dt-profile{padding:14px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.08);border-radius:15px;margin-bottom:18px}.dt-profile b{display:block;font-size:12px}.dt-profile span{font-size:10px;opacity:.7}.dt-nav-label{font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.12em;opacity:.55;padding:10px}.dt-nav a{display:flex;align-items:center;gap:11px;padding:11px 12px;border-radius:11px;font-size:12px;margin:2px 0;transition:.18s}.dt-nav a:hover,.dt-nav a.active{background:rgba(255,255,255,.13);transform:translateX(2px)}.dt-nav i{width:18px;text-align:center}.dt-side-bottom{margin-top:18px;border-top:1px solid rgba(255,255,255,.1);padding-top:12px}.dt-main{min-width:0}.dt-top{height:66px;background:rgba(255,255,255,.92);border-bottom:1px solid var(--d-border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:30;backdrop-filter:blur(12px)}.dt-menu{display:none;border:0;background:#eef4ff;color:var(--d-blue);width:38px;height:38px;border-radius:10px;font-size:17px}.dt-top-title small{display:block;color:var(--d-muted);font-size:10px}.dt-top-title b{font-size:13px}.dt-top-actions{display:flex;gap:8px}.dt-icon-btn{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--d-border);background:#fff;position:relative}.dt-icon-btn em{position:absolute;right:-3px;top:-4px;background:var(--d-orange);color:#fff;font-size:8px;font-style:normal;border-radius:10px;padding:2px 5px}.dt-content{padding:24px;max-width:1500px;margin:auto}.dt-page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;margin-bottom:18px}.dt-page-head .eyebrow{font-size:10px;color:var(--d-orange);font-weight:800;text-transform:uppercase;letter-spacing:.09em}.dt-page-head h1{font-size:24px;margin:3px 0 4px;letter-spacing:-.025em}.dt-page-head p{margin:0;color:var(--d-muted);font-size:12px}.dt-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.dt-card{background:#fff;border:1px solid var(--d-border);border-radius:16px;box-shadow:var(--d-shadow);padding:17px}.dt-kpi span{font-size:10px;color:var(--d-muted);font-weight:700}.dt-kpi strong{display:block;font-size:24px;margin:7px 0 2px}.dt-kpi small{font-size:10px;color:var(--d-muted)}.dt-section{background:#fff;border:1px solid var(--d-border);border-radius:17px;box-shadow:var(--d-shadow);margin-top:16px;overflow:hidden}.dt-section-head{padding:15px 17px;border-bottom:1px solid var(--d-border);display:flex;align-items:center;justify-content:space-between;gap:10px}.dt-section-head h2{font-size:14px;margin:0}.dt-section-body{padding:17px}.dt-turmas{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.dt-turma{border:1px solid var(--d-border);border-radius:14px;padding:14px;background:linear-gradient(180deg,#fff,#f9fbff)}.dt-turma .class{font-size:10px;color:var(--d-orange);font-weight:800}.dt-turma h3{font-size:14px;margin:4px 0}.dt-turma p{font-size:10px;color:var(--d-muted);min-height:28px}.dt-actions{display:flex;gap:7px;flex-wrap:wrap}.dt-btn{border:0;border-radius:10px;padding:9px 12px;font-weight:750;font-size:11px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px}.dt-btn-primary{background:linear-gradient(135deg,var(--d-blue2),#1543a5);color:#fff}.dt-btn-light{background:#eef4ff;color:var(--d-blue)}.dt-btn-danger{background:#fff0f2;color:var(--d-danger)}.dt-btn-success{background:#eafaf4;color:#087f54}.dt-form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.dt-field label{display:block;font-size:10px;font-weight:800;color:#334966;margin-bottom:6px}.dt-input,.dt-select,.dt-textarea{width:100%;border:1px solid #d7e1ed;background:#fff;color:var(--d-text);border-radius:11px;padding:10px 11px;font-size:12px;outline:0}.dt-select{height:42px}.dt-input:focus,.dt-select:focus,.dt-textarea:focus{border-color:var(--d-blue2);box-shadow:0 0 0 3px rgba(13,91,225,.11)}.dt-help{font-size:9px;color:var(--d-muted);margin-top:5px}.dt-alert{padding:11px 13px;border-radius:11px;margin-bottom:13px;font-size:11px}.dt-alert-error{background:#fff1f3;color:#a72a3c;border:1px solid #ffd3d9}.dt-alert-ok{background:#edfbf5;color:#087c54;border:1px solid #c7f1df}.dt-table-wrap{overflow:auto;-webkit-overflow-scrolling:touch}.dt-table{width:100%;border-collapse:collapse;min-width:760px}.dt-table th{background:#f5f8fc;color:#63758e;font-size:9px;text-transform:uppercase;letter-spacing:.05em;text-align:left;padding:10px;border-bottom:1px solid var(--d-border)}.dt-table td{font-size:11px;padding:10px;border-bottom:1px solid #edf1f6;vertical-align:middle}.dt-grade{width:74px!important;text-align:center;font-weight:750;font-size:16px!important;padding:9px 6px!important}.dt-grade.invalid{border-color:var(--d-danger)!important;background:#fff4f5!important}.dt-badge{display:inline-flex;padding:4px 7px;border-radius:8px;font-size:9px;font-weight:800}.dt-badge-ok{background:#eaf9f2;color:#087d53}.dt-badge-warn{background:#fff6e8;color:#a86000}.dt-badge-info{background:#eef4ff;color:#1250b1}.dt-empty{padding:25px;text-align:center;color:var(--d-muted);font-size:11px}.dt-mobile-note{display:none}.dt-overlay{display:none}.dt-login{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr;background:#fff}.dt-login-visual{background:linear-gradient(135deg,rgba(7,31,73,.96),rgba(13,91,225,.86)),url('../../image20191127063938.jpg') center/cover;color:#fff;padding:55px;display:flex;flex-direction:column;justify-content:space-between}.dt-login-logo{display:flex;gap:12px;align-items:center}.dt-login-logo img{width:50px}.dt-login-hero h1{font-size:44px;line-height:1.03;margin:0 0 16px;max-width:580px}.dt-login-hero strong{color:#ff9a55}.dt-login-hero p{max-width:540px;opacity:.82}.dt-login-form{display:grid;place-items:center;padding:35px}.dt-login-box{width:min(420px,100%)}.dt-login-box h2{font-size:27px;margin:0 0 6px}.dt-login-box>p{color:var(--d-muted);font-size:12px;margin-bottom:25px}.dt-login-field{margin:13px 0}.dt-login-field label{display:block;font-size:10px;font-weight:800;margin-bottom:6px}.dt-login-field input{width:100%;height:46px;border:1px solid var(--d-border);border-radius:12px;padding:0 13px;font-size:13px;outline:0}.dt-login-field input:focus{border-color:var(--d-blue2);box-shadow:0 0 0 3px rgba(13,91,225,.1)}.dt-login-submit{width:100%;height:46px;margin-top:8px}.dt-file-list{display:grid;gap:9px}.dt-file{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--d-border);border-radius:12px;padding:11px;gap:12px}.dt-file b{font-size:11px}.dt-file small{display:block;color:var(--d-muted);font-size:9px}.dt-message-list{display:grid;gap:8px}.dt-message{border:1px solid var(--d-border);border-radius:12px;padding:12px}.dt-message.unread{border-color:#9abaff;background:#f5f9ff}.dt-message b{font-size:11px}.dt-message p{font-size:10px;color:#52647c;margin:5px 0}.dt-message small{font-size:9px;color:var(--d-muted)}
@media(max-width:1100px){.dt-shell{grid-template-columns:220px minmax(0,1fr)}.dt-grid{grid-template-columns:repeat(2,1fr)}.dt-turmas{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.dt-shell{display:block}.dt-side{position:fixed;left:-270px;width:260px;transition:.22s;height:100dvh}.dt-side.open{left:0}.dt-overlay{position:fixed;inset:0;background:rgba(4,19,44,.48);z-index:35}.dt-overlay.show{display:block}.dt-menu{display:grid;place-items:center}.dt-top{padding:0 14px}.dt-content{padding:16px}.dt-form-grid{grid-template-columns:1fr 1fr}.dt-login{grid-template-columns:1fr}.dt-login-visual{display:none}.dt-login-form{padding:24px}.dt-mobile-note{display:block}}
@media(max-width:560px){.dt-grid,.dt-turmas,.dt-form-grid{grid-template-columns:1fr}.dt-content{padding:12px}.dt-page-head{align-items:flex-start;flex-direction:column}.dt-page-head h1{font-size:21px}.dt-section-body{padding:12px}.dt-grade{width:62px!important;font-size:16px!important}.dt-table{min-width:680px}.dt-actions .dt-btn{flex:1}.dt-login-form{padding:18px}.dt-top-title b{font-size:11px}}