@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{--ink:#20241f;--muted:#747970;--line:#e8e8e1;--paper:#fff;--canvas:#f7f7f4;--green:#52745d;--green2:#e7eee7;--orange:#dd815c;--shadow:0 18px 55px #29302b0c}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font-family:'DM Sans',sans-serif;font-size:15px}button,input,textarea,select{font:inherit}button{cursor:pointer}.shell{max-width:1160px;margin:auto;padding:0 30px}.topbar{height:82px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:11px;align-items:center;text-decoration:none;color:var(--ink);font-family:Manrope,sans-serif;font-weight:800;letter-spacing:-.04em;font-size:21px}.brand-mark{display:grid;place-items:center;width:37px;height:37px;border-radius:12px;background:var(--green);color:white;font-size:18px}.brand-sub{display:block;font:600 8px 'DM Sans',sans-serif;letter-spacing:.16em;color:var(--muted);margin-top:1px}.userbar{display:flex;gap:17px;align-items:center;color:var(--muted);font-size:13px}.hidden{display:none!important}main{min-height:calc(100vh - 145px)}footer{text-align:center;color:#9a9e96;font-size:12px;padding:22px 0 30px}.auth-wrap{display:grid;grid-template-columns:1fr 420px;gap:70px;align-items:center;min-height:calc(100vh - 165px);max-width:980px;margin:auto}.intro h1{font:700 clamp(42px,6vw,70px)/1.04 Manrope,sans-serif;letter-spacing:-.055em;margin:12px 0 20px;max-width:540px}.intro p{font-size:17px;line-height:1.65;color:var(--muted);max-width:460px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--green)}.card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow)}.auth-card h2,.section-title{font:700 23px Manrope,sans-serif;letter-spacing:-.04em;margin:0 0 7px}.subtle{color:var(--muted);font-size:13px;line-height:1.5}.field{display:flex;flex-direction:column;gap:7px;margin:16px 0}.field label,.label{font-size:12px;font-weight:600;color:#50564f}.field input,.field textarea,.field select,.input{border:1px solid #dedfd8;border-radius:9px;padding:11px 12px;background:#fff;color:var(--ink);outline:none}.field textarea{min-height:84px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{border-color:#7d9b83;box-shadow:0 0 0 3px #52745d17}.button{border:0;border-radius:9px;padding:11px 16px;background:var(--green);color:#fff;font-weight:600;font-size:13px;transition:transform .15s,background .15s}.button:hover{background:#3f624a;transform:translateY(-1px)}.button.secondary{background:var(--green2);color:#3d6146}.button.quiet{background:transparent;color:var(--muted)}.button.quiet:hover{background:#f0f0ec;transform:none}.button.small{padding:8px 11px}.button.full{width:100%;margin-top:6px}.text-link{color:var(--green);background:none;border:0;padding:0;font-weight:600}.auth-switch{text-align:center;color:var(--muted);font-size:13px;margin:18px 0 0}.error{color:#a94436;background:#fff0ec;padding:10px 12px;border-radius:8px;font-size:13px;margin:12px 0}.dashboard{padding:42px 0 65px}.dash-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:30px}.dash-head h1{font:700 34px Manrope,sans-serif;letter-spacing:-.05em;margin:7px 0}.dash-head p{margin:0;color:var(--muted)}.stats{display:flex;gap:10px;margin-bottom:28px}.stat{background:white;border:1px solid var(--line);border-radius:12px;padding:14px 18px;min-width:130px}.stat strong{font:700 24px Manrope,sans-serif;display:block}.stat span{color:var(--muted);font-size:11px}.tabs{display:flex;gap:22px;border-bottom:1px solid var(--line);margin-bottom:22px}.tab{border:0;background:none;color:var(--muted);padding:11px 0;font-weight:600;font-size:13px;border-bottom:2px solid transparent}.tab.active{color:var(--green);border-color:var(--green)}.list{display:grid;gap:10px}.row-card{background:white;border:1px solid var(--line);border-radius:13px;padding:17px 19px;display:flex;align-items:center;gap:18px}.row-main{flex:1;min-width:0}.row-main strong{display:block;font-size:14px}.row-main p{margin:5px 0 0;color:var(--muted);font-size:12px}.badge{display:inline-flex;border-radius:99px;background:var(--green2);color:#426449;padding:5px 9px;font-size:10px;font-weight:600;white-space:nowrap}.badge.orange{background:#fff0e9;color:#a75d3e}.empty{padding:40px 20px;background:white;border:1px dashed #dbddd5;border-radius:14px;text-align:center;color:var(--muted);font-size:13px}.section-bar{display:flex;justify-content:space-between;align-items:center;margin:28px 0 13px}.section-bar h2{font:700 18px Manrope,sans-serif;margin:0}.form-card{max-width:850px;margin:0 auto}.form-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.question-editor{padding:18px;margin:13px 0;background:#fafaf8;border:1px solid var(--line);border-radius:13px}.question-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.question-top strong{font-size:12px;color:var(--green)}.question-grid{display:grid;grid-template-columns:1fr 145px;gap:12px}.options-wrap{margin:8px 0 0}.option-row{display:flex;gap:8px;margin:7px 0}.option-row input{flex:1;border:1px solid var(--line);border-radius:8px;padding:9px}.check{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;margin:10px 0}.check input{accent-color:var(--green)}.form-actions{display:flex;justify-content:space-between;align-items:center;margin-top:20px}.student-pick{display:flex;flex-wrap:wrap;gap:8px}.student-chip{display:flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:99px;padding:8px 11px;color:#555;font-size:12px}.student-chip input{accent-color:var(--green)}.quiz-wrap{max-width:760px;margin:42px auto}.quiz-banner{padding:27px 30px;background:var(--green);border-radius:18px;color:white;margin-bottom:14px}.quiz-banner h1{font:700 29px Manrope,sans-serif;letter-spacing:-.04em;margin:5px 0 8px}.quiz-banner p{color:#e2ebe3;margin:0;font-size:13px;line-height:1.5}.question-card{padding:22px 25px;margin:12px 0}.question-card h3{font:600 16px/1.5 Manrope,sans-serif;margin:0 0 17px}.points{float:right;color:var(--muted);font:500 11px 'DM Sans',sans-serif;margin-left:10px}.answer-choice{display:flex;gap:10px;align-items:center;padding:11px;border:1px solid var(--line);border-radius:9px;margin:8px 0;font-size:13px}.answer-choice input{accent-color:var(--green)}.answer-text{width:100%;border:1px solid var(--line);border-radius:9px;padding:12px;min-height:105px;resize:vertical}.notice{background:#f5f5f1;border-radius:10px;padding:12px 14px;color:var(--muted);font-size:12px;line-height:1.5;margin:14px 0}.detail-head{display:flex;align-items:center;gap:12px;margin-bottom:20px}.back{border:1px solid var(--line);background:#fff;border-radius:9px;padding:9px 11px;color:var(--muted)}.attempt-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff}.attempt-table{border-collapse:collapse;width:100%;font-size:12px}.attempt-table th,.attempt-table td{padding:13px 15px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;min-width:120px}.attempt-table th{background:#fafaf8;color:var(--muted);font-weight:600}.attempt-table td:first-child{font-weight:600}.toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%,15px);padding:11px 17px;background:#222b25;color:white;border-radius:9px;font-size:13px;opacity:0;pointer-events:none;transition:.2s;z-index:4}.toast.show{opacity:1;transform:translate(-50%,0)}.loading{text-align:center;padding:100px;color:var(--muted)}
@media(max-width:760px){.shell{padding:0 18px}.topbar{height:68px}.auth-wrap{grid-template-columns:1fr;gap:22px;padding:45px 0;min-height:auto}.intro h1{font-size:44px}.intro p{font-size:15px}.auth-card{padding:22px}.dash-head{align-items:flex-start;gap:15px;flex-direction:column}.stats{overflow:auto}.stat{min-width:110px}.row-card{align-items:flex-start;flex-wrap:wrap}.row-card .button{margin-left:auto}.question-grid{grid-template-columns:1fr}.quiz-banner{padding:22px}.question-card{padding:18px}.form-card{padding:20px}.userbar{gap:8px;font-size:11px}}
.question-image{display:block;max-width:100%;max-height:420px;object-fit:contain;border-radius:10px;margin:12px 0 18px}.file-note{font-size:11px;color:var(--muted);margin-top:6px}

/* Acceso sencillo, centrado y sin bloques promocionales. */
.login-page{max-width:460px;margin:0 auto;padding:92px 0 120px}.login-panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:30px 32px;box-shadow:0 3px 14px #29302b08}.login-panel h1{font:600 24px/1.3 Manrope,sans-serif;letter-spacing:-.035em;margin:0 0 7px}.login-help{font-size:14px;color:var(--muted);line-height:1.5;margin:0 0 22px}.login-panel .field{margin:16px 0}.login-panel .button{margin-top:2px}.login-panel .auth-switch{margin:19px 0 0}@media(max-width:600px){.login-page{padding:58px 0 85px}.login-panel{padding:24px 21px}}

.login-page{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 170px);padding:24px 0;margin:0 auto}.login-panel{width:100%}@media(max-width:600px){.login-page{min-height:calc(100vh - 145px);padding:24px 0}}

.schedule-box{padding:17px 18px;margin:14px 0;background:#f8f8f5;border:1px solid var(--line);border-radius:12px}.schedule-box .question-grid{grid-template-columns:1fr 1fr;gap:12px}.schedule-box .field{margin:10px 0}.time-left{display:block;margin-top:8px;font-weight:700;color:#fff}.course-progress{font-size:12px;color:var(--muted)}@media(max-width:650px){.schedule-box .question-grid{grid-template-columns:1fr}.tabs{gap:14px;overflow-x:auto}.tab{white-space:nowrap}}