:root{
  --senai:#0054a6;--senai-dark:#003b78;--orange:#f15a24;--ink:#122033;--muted:#66758a;
  --bg:#f3f6fa;--panel:#fff;--line:#dbe3ed;--soft:#edf3f9;--ok:#14804a;--warn:#a45a00;--danger:#b42318;
  --shadow:0 12px 30px rgba(18,32,51,.10);--radius:18px;--student-scale:1;
}
*{box-sizing:border-box}html{font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink)}body{margin:0;min-height:100vh}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:var(--senai)}img{max-width:100%}
.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.app-loading{min-height:100vh;display:grid;place-items:center}.spinner{width:46px;height:46px;border:5px solid #dbe7f2;border-top-color:var(--senai);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.btn{border:0;border-radius:11px;padding:11px 16px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.18s;min-height:42px}.btn:hover{transform:translateY(-1px);filter:brightness(.98)}.btn:disabled{opacity:.48;cursor:not-allowed;transform:none}.btn.primary{background:var(--senai);color:#fff}.btn.dark{background:var(--senai-dark);color:#fff}.btn.orange{background:var(--orange);color:#fff}.btn.success{background:var(--ok);color:#fff}.btn.warning{background:#fff3dc;color:#744000;border:1px solid #f2c675}.btn.danger{background:#fff0ee;color:var(--danger);border:1px solid #f0b3ad}.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.small{padding:7px 10px;min-height:34px;font-size:.88rem}.btn.icon{width:42px;padding:0}.btn.block{width:100%}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;font-size:.78rem;font-weight:800;background:var(--soft);color:var(--senai-dark)}.badge.ok{background:#e5f5ec;color:var(--ok)}.badge.warn{background:#fff2d8;color:#805000}.badge.danger{background:#fee9e7;color:var(--danger)}.badge.gray{background:#eef1f5;color:#566376}
.toast-region{position:fixed;right:18px;bottom:18px;z-index:9999;display:grid;gap:10px;max-width:min(420px,calc(100vw - 36px))}.toast{background:#152033;color:#fff;padding:13px 16px;border-radius:12px;box-shadow:var(--shadow);animation:toastIn .2s ease}.toast.ok{background:#0f6b3e}.toast.warn{background:#855100}.toast.danger{background:#9f2319}@keyframes toastIn{from{transform:translateY(10px);opacity:0}}
.landing{min-height:100vh;background:linear-gradient(135deg,#f7fbff,#eaf2fb 55%,#fff);display:grid;grid-template-rows:auto 1fr auto}.landing-head{padding:24px clamp(20px,5vw,70px);display:flex;justify-content:space-between;align-items:center}.brand{display:flex;align-items:center;gap:16px}.brand img{width:170px;height:auto}.brand-copy strong{display:block;font-size:1.05rem}.brand-copy small{color:var(--muted)}.mode-pill{font-size:.82rem;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px}.landing-main{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:36px;align-items:center;padding:20px clamp(20px,7vw,100px) 60px}.hero h1{font-size:clamp(2.2rem,5vw,4.7rem);line-height:1.02;margin:0 0 20px;letter-spacing:-.045em}.hero h1 span{color:var(--senai)}.hero p{font-size:1.15rem;line-height:1.65;max-width:760px;color:#43536a}.hero-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}.hero-card{background:rgba(255,255,255,.8);border:1px solid #dce7f1;border-radius:15px;padding:16px}.hero-card b{display:block;margin-bottom:5px}.hero-card small{color:var(--muted);line-height:1.4}.access-card{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:24px}.access-card h2{margin:0 0 6px}.access-card p{color:var(--muted);margin-top:0}.access-actions{display:grid;gap:11px;margin-top:20px}.landing-foot{padding:18px;text-align:center;color:var(--muted);font-size:.85rem;border-top:1px solid rgba(219,227,237,.7)}
.shell{min-height:100vh;display:grid;grid-template-columns:260px 1fr}.sidebar{background:#0e2441;color:#fff;padding:22px 16px;position:sticky;top:0;height:100vh;overflow:auto}.side-logo{padding:6px 10px 22px;border-bottom:1px solid rgba(255,255,255,.12)}.side-logo img{width:150px;filter:drop-shadow(0 2px 1px rgba(0,0,0,.12))}.side-logo small{display:block;color:#b9c8dc;margin-top:7px}.side-nav{display:grid;gap:5px;padding-top:18px}.nav-btn{border:0;background:transparent;color:#c9d6e7;text-align:left;border-radius:10px;padding:11px 12px;display:flex;gap:10px;align-items:center;font-weight:650}.nav-btn:hover,.nav-btn.active{background:#173b68;color:#fff}.side-bottom{margin-top:30px;padding:14px 10px;border-top:1px solid rgba(255,255,255,.12);color:#aebdd0;font-size:.8rem;line-height:1.5}.main-area{min-width:0}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:20}.topbar-left{display:flex;align-items:center;gap:12px}.topbar-title{font-weight:800}.topbar-actions{display:flex;align-items:center;gap:9px}.content{padding:24px;max-width:1600px;margin:auto}.page-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:20px}.page-head h1{margin:0;font-size:1.8rem}.page-head p{margin:6px 0 0;color:var(--muted)}.page-actions{display:flex;flex-wrap:wrap;gap:9px;justify-content:flex-end}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 4px 16px rgba(18,32,51,.045)}.panel-head{padding:17px 19px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px}.panel-head h2,.panel-head h3{margin:0;font-size:1.04rem}.panel-body{padding:19px}.grid{display:grid;gap:16px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;position:relative;overflow:hidden}.stat:after{content:"";position:absolute;width:80px;height:80px;border-radius:50%;background:#eaf3fb;right:-25px;top:-25px}.stat small{color:var(--muted);font-weight:650}.stat strong{display:block;font-size:2rem;margin-top:8px;letter-spacing:-.03em}.stat .trend{font-size:.8rem;margin-top:7px;color:var(--ok)}
.field{display:grid;gap:7px}.field label{font-weight:750;font-size:.9rem}.field small{color:var(--muted);line-height:1.4}.input,.field input,.field select,.field textarea{width:100%;border:1px solid #cfd9e5;border-radius:10px;background:#fff;padding:11px 12px;color:var(--ink);outline:none}.field textarea{min-height:105px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--senai);box-shadow:0 0 0 3px rgba(0,84,166,.12)}.form-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:14px}.span-12{grid-column:span 12}.span-8{grid-column:span 8}.span-6{grid-column:span 6}.span-4{grid-column:span 4}.span-3{grid-column:span 3}.form-actions{display:flex;gap:9px;justify-content:flex-end;padding-top:6px}.check-row{display:flex;gap:8px;align-items:flex-start}.check-row input{margin-top:3px}.switch{display:inline-flex;align-items:center;gap:8px}.switch input{width:42px;height:23px;appearance:none;background:#c8d1dc;border-radius:999px;position:relative;transition:.2s}.switch input:before{content:"";width:17px;height:17px;background:#fff;border-radius:50%;position:absolute;left:3px;top:3px;box-shadow:0 1px 3px rgba(0,0,0,.3);transition:.2s}.switch input:checked{background:var(--senai)}.switch input:checked:before{left:22px}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:14px}.toolbar .input{width:auto;min-width:210px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:12px 13px;text-align:left;border-bottom:1px solid #e6ebf1;vertical-align:top}th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:#5f6f84;background:#f7f9fc;position:sticky;top:0}td{font-size:.92rem}.row-actions{display:flex;gap:7px;flex-wrap:wrap}.empty{padding:46px;text-align:center;color:var(--muted)}.empty strong{display:block;color:var(--ink);font-size:1.1rem;margin-bottom:7px}
.question-card{border:1px solid var(--line);border-radius:14px;padding:16px;background:#fff;display:grid;grid-template-columns:1fr auto;gap:14px}.question-title{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.question-title h3{margin:0;font-size:1rem}.question-meta{display:flex;gap:7px;flex-wrap:wrap;margin-top:8px}.question-preview{color:#526176;margin-top:10px;line-height:1.5}.thumb{width:96px;height:72px;object-fit:contain;background:#f8fafc;border:1px solid var(--line);border-radius:9px}.upload-preview{max-height:220px;object-fit:contain;border:1px solid var(--line);border-radius:10px;background:#f8fafc;padding:5px}.options-editor{display:grid;gap:9px}.option-edit{display:grid;grid-template-columns:34px 1fr 40px;gap:8px;align-items:center}.option-edit .correct-radio{width:20px;height:20px}.question-selector{display:grid;gap:9px;max-height:530px;overflow:auto}.question-select-row{display:grid;grid-template-columns:28px 1fr 110px;gap:10px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:11px}.question-select-row.selected{background:#f0f7fd;border-color:#9ac2e5}
.notice{border-radius:12px;padding:13px 14px;line-height:1.5}.notice.info{background:#eaf4fc;color:#164b7d;border:1px solid #c7e0f3}.notice.ok{background:#e9f7ef;color:#146039;border:1px solid #c5e9d3}.notice.warn{background:#fff6e5;color:#744600;border:1px solid #f3d79b}.notice.danger{background:#fff0ee;color:#8d2018;border:1px solid #f2c2bd}.kpi-list{display:grid;gap:12px}.kpi-row{display:grid;grid-template-columns:160px 1fr 65px;gap:12px;align-items:center}.bar-track{height:10px;background:#e8eef5;border-radius:999px;overflow:hidden}.bar-fill{height:100%;background:linear-gradient(90deg,var(--senai),#4ca0dc);border-radius:999px}.donut{width:150px;height:150px;border-radius:50%;display:grid;place-items:center;margin:auto;background:conic-gradient(var(--senai) var(--pct),#e7edf4 0)}.donut:after{content:attr(data-label);width:105px;height:105px;border-radius:50%;background:#fff;display:grid;place-items:center;font-weight:850;font-size:1.25rem}.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.metric{background:#f7f9fc;border-radius:10px;padding:12px}.metric small{color:var(--muted)}.metric b{display:block;margin-top:4px;font-size:1.15rem}
.live-grid{display:grid;grid-template-columns:minmax(360px,.8fr) minmax(0,1.2fr);gap:16px}.student-list{display:grid;gap:8px;max-height:680px;overflow:auto}.student-live{border:1px solid var(--line);border-radius:12px;padding:12px;cursor:pointer}.student-live:hover,.student-live.active{border-color:var(--senai);background:#f2f8fd}.student-live-top{display:flex;justify-content:space-between;gap:10px}.progress{height:8px;border-radius:999px;background:#e7edf4;margin-top:9px;overflow:hidden}.progress span{display:block;height:100%;background:var(--senai)}.answer-live{background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:14px;white-space:pre-wrap;min-height:90px}.photo-answer{max-height:360px;display:block;margin:10px auto;border-radius:10px;border:1px solid var(--line)}
.modal-backdrop{position:fixed;inset:0;background:rgba(10,25,44,.62);z-index:1000;display:grid;place-items:center;padding:18px}.modal{background:#fff;border-radius:18px;box-shadow:0 24px 70px rgba(0,0,0,.28);width:min(980px,100%);max-height:94vh;overflow:auto}.modal.wide{width:min(1180px,100%)}.modal-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:#fff;z-index:2}.modal-head h2{margin:0}.modal-body{padding:20px}.close-btn{border:0;background:#eef2f7;border-radius:50%;width:36px;height:36px;font-size:1.2rem}
.student-shell{min-height:100vh;background:#eef3f8;font-size:calc(1rem * var(--student-scale))}.student-top{background:#fff;border-bottom:1px solid var(--line);height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(12px,4vw,35px);position:sticky;top:0;z-index:20}.student-top img{width:130px}.student-tools{display:flex;gap:7px;align-items:center}.student-wrap{max-width:980px;margin:auto;padding:22px 14px 50px}.exam-header{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;margin-bottom:14px}.exam-header h1{font-size:1.35em;margin:0 0 8px}.exam-info{display:flex;gap:8px;flex-wrap:wrap}.exam-progress{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;margin-top:15px}.student-question{background:#fff;border:1px solid var(--line);border-radius:18px;padding:clamp(17px,4vw,28px)}.student-question h2{font-size:1.08em;margin:0 0 14px}.student-question .statement{line-height:1.7;white-space:pre-wrap}.question-image{max-height:390px;object-fit:contain;display:block;margin:16px auto;border-radius:10px}.answers{display:grid;gap:10px;margin-top:18px}.answer-option{border:1px solid #ccd7e3;border-radius:12px;padding:13px;display:flex;gap:11px;align-items:flex-start;background:#fff}.answer-option:hover{border-color:#7eb0d8}.answer-option.selected{background:#eaf4fc;border-color:var(--senai)}.answer-option input{margin-top:3px;transform:scale(1.2)}.student-response textarea{min-height:190px;font-size:1em;line-height:1.55}.photo-box{border:2px dashed #a9bacb;border-radius:13px;padding:20px;text-align:center;background:#f8fafc}.student-nav{display:flex;justify-content:space-between;gap:10px;margin-top:14px}.question-map{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}.qdot{width:38px;height:38px;border-radius:9px;border:1px solid var(--line);background:#fff;font-weight:800}.qdot.current{background:var(--senai);color:#fff}.qdot.answered{border-color:var(--ok);box-shadow:inset 0 -4px 0 var(--ok)}.review-list{display:grid;gap:10px}.review-item{display:flex;justify-content:space-between;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px}.protocol-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;max-width:700px;margin:45px auto;text-align:center}.protocol-code{font-size:clamp(1.4rem,4vw,2.3rem);letter-spacing:.06em;font-weight:900;color:var(--senai);background:#edf6fd;border-radius:12px;padding:15px;margin:18px 0}.correction-block{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:12px}.correction-block h3{margin-top:0}.box-label{font-weight:800;font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}.box-answer{padding:12px;border-radius:9px;background:#f5f7fa;white-space:pre-wrap}.box-answer.correct{background:#eaf8ef;color:#155f37}.box-answer.comment{background:#fff0f0;color:#b11f19}
.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(140deg,#eef6fd,#f8fafc)}.login-card{width:min(520px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:26px}.login-card img{width:170px;display:block;margin:0 auto 18px}.login-card h1{text-align:center;margin:0 0 5px}.login-card>p{text-align:center;color:var(--muted);margin-top:0}.login-form{display:grid;gap:13px;margin-top:20px}.back-link{display:inline-flex;margin-top:16px;color:var(--muted);text-decoration:none}
.mobile-menu{display:none}
@media(max-width:1080px){.stats{grid-template-columns:repeat(2,1fr)}.grid.four{grid-template-columns:repeat(2,1fr)}.landing-main{grid-template-columns:1fr}.hero-grid{grid-template-columns:1fr 1fr}.live-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:repeat(6,1fr)}.span-12,.span-8,.span-6{grid-column:span 6}.span-4,.span-3{grid-column:span 3}}
@media(max-width:780px){.shell{grid-template-columns:1fr}.sidebar{position:fixed;left:-280px;z-index:100;height:100vh;width:260px;transition:.2s}.sidebar.open{left:0}.mobile-menu{display:inline-flex}.content{padding:16px}.page-head{display:block}.page-actions{justify-content:flex-start;margin-top:13px}.grid.two,.grid.three,.grid.four,.stats{grid-template-columns:1fr}.form-grid{display:block}.field{margin-bottom:13px}.landing-head{padding:18px}.brand-copy{display:none}.brand img{width:135px}.landing-main{padding:15px 18px 45px}.hero-grid{grid-template-columns:1fr}.hero h1{font-size:2.4rem}.question-card{grid-template-columns:1fr}.topbar{padding:0 12px}.topbar-title{max-width:200px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.table-wrap{font-size:.88rem}.student-tools .tool-label{display:none}.student-top img{width:105px}.kpi-row{grid-template-columns:110px 1fr 50px}}
@media print{body{background:#fff}.no-print{display:none!important}}