:root{font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:#17334b;background:#f3f6fa}*{box-sizing:border-box}body{margin:0}header{background:#fff;border-bottom:1px solid #e3eaf0;display:flex;align-items:center;justify-content:space-between;padding:18px max(4%,calc((100vw - 1200px)/2))}.brand{display:flex;align-items:center;gap:12px}.brand strong{display:block;font-size:20px}.brand small{display:block;font-size:12px;color:#748596}.logo{display:grid;place-items:center;width:44px;height:44px;background:#126ba6;color:#fff;border-radius:12px;font-weight:800}main{max-width:1180px;margin:32px auto;padding:0 20px}.hidden{display:none!important}.center{min-height:70vh;display:grid;place-items:center}.panel{background:#fff;border:1px solid #e2eaf0;border-radius:18px;padding:26px;box-shadow:0 10px 35px #263f5708}.login{width:min(100%,480px);padding:42px}.eyebrow{font-size:11px;font-weight:800;color:#0a74a3;letter-spacing:2px}h1{font-size:clamp(26px,3vw,38px);letter-spacing:-1px;margin:9px 0}h2{font-size:20px;margin:0 0 13px}p{color:#65788a;line-height:1.55}.heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:28px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:23px}.stats>div{background:#fff;border:1px solid #e2eaf0;padding:24px;border-radius:15px}.stats strong{display:block;font-size:30px;color:#156da4}.stats span{font-size:13px;color:#68798b}.layout{display:grid;grid-template-columns:1.35fr 1fr;gap:20px;margin-bottom:20px}.sectionhead{display:flex;justify-content:space-between;align-items:center;gap:12px}button{font:inherit;border:0;border-radius:9px;background:#126da6;color:#fff;font-weight:700;padding:12px 17px;cursor:pointer}button:hover{background:#075987}button.ghost{background:#edf5fb;color:#16648e}button.ghost:hover{background:#dcebf5}label{display:block;font-size:13px;font-weight:700;margin:13px 0}input{width:100%;padding:12px 13px;font:inherit;border:1px solid #cddbe5;border-radius:9px;margin-top:5px;color:#17334b;background:#fff}input:focus{outline:2px solid #8bd0f1}.login button{width:100%;margin-top:12px}.classlist{display:grid;gap:10px}.classitem{display:flex;justify-content:space-between;align-items:center;border:1px solid #e0eaf1;border-radius:12px;padding:14px;gap:15px}.classitem strong{display:block}.classitem small{display:block;color:#84919b;margin-top:5px}.inline{display:flex;gap:10px;align-items:end;margin-top:15px}.inline input{flex:1}.inline button{white-space:nowrap}.controls{display:flex;gap:18px}.controls label{flex:1}.overflow{overflow:auto}table{width:100%;border-collapse:collapse;white-space:nowrap}td,th{text-align:left;padding:13px;border-bottom:1px solid #e8edf1}th{font-size:12px;color:#77899a}td input,td select{width:110px;margin:0;padding:9px}.hint{font-size:13px}#importResult{margin-top:14px;font-size:13px;line-height:1.6}#toast{position:fixed;bottom:20px;right:20px;background:#1b3b51;color:#fff;padding:14px 20px;border-radius:12px;opacity:0;pointer-events:none;transition:opacity .2s;max-width:400px}#toast.show{opacity:1}@media(max-width:800px){.layout,.stats{grid-template-columns:1fr}.heading{align-items:start;flex-direction:column}.panel{padding:17px}.controls,.inline{flex-direction:column;align-items:stretch}.inline button{white-space:normal}}

.logo-image{width:54px;height:54px;object-fit:contain}.tabs-auth{display:flex;gap:10px;margin:20px 0}.tabs-auth button{flex:1}.profile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}textarea{width:100%;border:1px solid #cddbe5;border-radius:9px;padding:12px;font:inherit;resize:vertical}.profile-photo{width:90px;height:90px;object-fit:cover;border-radius:50%;display:block;margin:10px 0}.actions{display:flex;gap:10px;flex-wrap:wrap}.lesson-area{border-top:1px solid #dce7ef;margin-top:30px;padding-top:22px}#onboarding{margin-bottom:22px;border-color:#8cc8ed}.import-link-row{border:1px solid #dbe8f0;border-radius:10px;padding:12px;margin:8px 0}.import-link-row select{width:100%;padding:9px;margin-top:8px}.import-warning{background:#fff6e4;padding:11px;border-radius:8px;color:#754d0b}@media(max-width:800px){.profile-grid{grid-template-columns:1fr}}
.brand{color:inherit;text-decoration:none}.right-header{display:flex;align-items:center;gap:14px}.credit{text-align:right;font-size:12px;color:#536b7e}.credit a{display:block;color:#096ea7}.login-logo{display:block;max-width:250px;width:85%;max-height:135px;object-fit:contain;margin:0 auto 18px}.auth-enter{background:#5abce9;color:#073b59}.auth-enter:hover{background:#38a3d9}.auth-register{background:#ed8b27;color:#fff}.auth-register:hover{background:#ca6814}.tabs-auth button{margin-top:0}.appnav{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}.appnav .current{background:#0d70aa;color:#fff}.page{min-height:300px}.home-profile{margin-bottom:24px}.profile-summary{display:flex;align-items:center;gap:24px;margin-top:14px}.home-avatar{width:110px;height:110px;border-radius:50%;object-fit:cover;background:#ebf2f7}.avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;background:#e3edf4}#userHeader{display:flex;align-items:center;gap:10px;text-align:left}#userHeader strong,#userHeader small{display:block}#userHeader small{font-size:11px;font-weight:400}.photo-modal{position:fixed;inset:0;background:#071a2dcc;z-index:20;display:grid;place-items:center;padding:15px}.photo-card{background:white;padding:24px;border-radius:20px;width:min(100%,410px);box-shadow:0 20px 50px #0003}.photo-card canvas{display:block;width:min(100%,320px);height:auto;aspect-ratio:1;touch-action:none;cursor:grab;border-radius:50%;margin:auto;background:#edf2f8}.photo-card label{margin-top:15px}.photo-card .actions{justify-content:flex-end}.profile-photo{width:120px;height:120px}.goto{margin:6px}select{padding:12px;border:1px solid #cddbe5;border-radius:9px;background:white;max-width:100%;width:100%;font:inherit;margin-top:5px}#classFormBox{margin-bottom:22px}@media(max-width:700px){header{padding:10px 14px;flex-wrap:wrap}.credit{order:3;width:100%;text-align:left}.right-header{flex-wrap:wrap}.home-avatar{width:80px;height:80px}.profile-summary{gap:12px}}

/* Planilhas v0.4 */
.sheet-tabs{display:flex;flex-wrap:wrap;gap:8px;border-bottom:1px solid #d9e7f1;margin:22px 0}.sheet-tab{background:#eff5fa;color:#17577a;border-radius:10px 10px 0 0}.sheet-tab.active{background:#086fa9;color:#fff}.sheet-panel{padding:8px 0 24px}.sheet-panel h3{margin-top:8px}.att-toolbar{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin:15px 0}.att-toolbar label{min-width:150px;flex:1}.attendance-select{min-width:135px;width:auto;padding:8px;border-radius:9px}.attendance-select.is-present{background:#d9ffe2;border-color:#53ba70}.attendance-select.is-absent{background:#ffe3e9;border-color:#e9758a}.import-preview{padding:15px;margin:15px 0;border:1px solid #d9e7f1;border-radius:12px}.import-preview ul{max-height:200px;overflow:auto}.sheet-panel .lesson-area{margin-top:0}.sheet-panel.hidden{display:none}@media(max-width:600px){.sheet-tab{width:100%}.att-toolbar label{width:100%}}