@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&display=swap');
:root{--ink:#283450;--muted:#66728b;--blue:#3e4fdf;--purple:#743be9;--line:#e2e6f2;--soft:#f4f5fc;--green:#138665;--red:#b83e58}*{box-sizing:border-box}html{min-height:100%;scroll-padding-top:20px}body.app{margin:0;min-height:100vh;min-height:100svh;padding:0;color:var(--ink);font:16px/1.55 Nunito,system-ui,sans-serif;background:radial-gradient(ellipse at 90% 0,#e4ddff,transparent 52%),radial-gradient(ellipse at 0 30%,#e2efff,transparent 48%),#f6f7fc;display:block;overflow-y:auto}.shell{width:min(1120px,100%);padding:28px 24px 18px;margin:0 auto}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 0 28px;border-bottom:1px solid #dce1ef}.brand{display:flex;gap:13px;align-items:center;color:var(--ink);text-decoration:none;font-size:20px;font-weight:900;letter-spacing:.03em}.brand small{display:block;font-size:12px;color:var(--muted);letter-spacing:0;font-weight:700}.brand-icon{background:linear-gradient(135deg,var(--blue),var(--purple));display:grid;place-items:center;border-radius:18px;width:54px;height:54px;font-size:28px;box-shadow:0 8px 22px #6757d62b}.topbar nav{display:flex;align-items:center;gap:15px;flex-wrap:wrap}.user-chip{font-size:13px;font-weight:800;color:var(--muted)}.page-heading{margin:34px 0 25px}.page-heading h1{font-size:clamp(26px,4vw,38px);line-height:1.15;letter-spacing:-.03em;margin:0 0 10px;font-weight:900}.page-heading p{margin:0;color:var(--muted);max-width:700px}.button,body.app button,body.app input[type=submit]{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(110deg,var(--blue),var(--purple));color:white;border:0;border-radius:14px;padding:13px 22px;min-height:48px;font:800 16px/1.3 Nunito,system-ui,sans-serif;text-decoration:none;cursor:pointer;box-shadow:0 6px 15px #514dc31c;transition:transform .15s,box-shadow .15s}.button:hover,body.app button:hover{transform:translateY(-1px);box-shadow:0 9px 20px #514dc32b}.button.secondary{background:white;color:var(--ink);border:1px solid var(--line);box-shadow:none}.button.small{padding:10px 16px;font-size:14px;min-height:44px}.text-link{color:var(--blue);font-weight:800;text-decoration:none}.button.danger,body.app button.danger{background:var(--red)}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #9c88ff;outline-offset:4px}.hero-links{display:grid;grid-template-columns:1.35fr 1fr;gap:20px;margin-bottom:35px}.hero-card{position:relative;padding:28px;border-radius:25px;background:#fff;border:1px solid #e4e5f2;text-decoration:none;color:var(--ink);box-shadow:0 12px 30px #2c3d6010;display:flex;gap:20px;align-items:center;transition:transform .15s}.hero-card:hover{transform:translateY(-3px)}.hero-card.primary{background:linear-gradient(120deg,#4056d8,#7540e7);color:white;border-color:transparent}.hero-card h2{font-size:24px;margin:0 0 4px;font-weight:900}.hero-card p{margin:0;opacity:.85}.hero-card .emoji{font-size:38px}.hero-card .arrow{margin-left:auto;font-size:25px}.section-label{text-transform:uppercase;letter-spacing:.14em;font-weight:900;font-size:12px;color:var(--muted);margin:30px 0 12px}.dashboard-group{background:#ffffffd9;border:1px solid var(--line);border-radius:22px;margin-bottom:14px;overflow:hidden}.dashboard-group summary{list-style:none;display:flex;align-items:center;gap:14px;padding:20px 24px;cursor:pointer;font-size:19px;font-weight:900}.dashboard-group summary::-webkit-details-marker{display:none}.dashboard-group summary:after{content:'+';margin-left:auto;font-size:25px;font-weight:600;color:var(--muted)}.dashboard-group[open] summary:after{content:'−'}.group-icon{font-size:22px;background:var(--soft);border-radius:12px;width:44px;height:44px;display:grid;place-items:center}.tile-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:0 22px 22px}.tile{border:1px solid var(--line);border-radius:16px;padding:18px;color:var(--ink);text-decoration:none;background:#fff}.tile:hover{background:#f6f3ff;border-color:#bcb0f2}.tile strong{display:block;font-size:16px;margin-bottom:5px}.tile span{font-size:13px;line-height:1.45;color:var(--muted);display:block}.panel,.card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px;margin-bottom:22px;box-shadow:0 10px 25px #2c3d600a}.panel h2,.card h2{margin-top:0;font-size:21px}.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:22px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.wide{grid-column:1/-1}body.app label{display:block;font-weight:800;font-size:14px;margin-bottom:15px}body.app input:not([type=checkbox]):not([type=radio]):not([type=submit]):not([type=hidden]),body.app textarea,body.app select{display:block;width:100%;min-width:0;border:1.5px solid #dbe0ef;border-radius:12px;background:#fbfcff;color:var(--ink);padding:12px 14px;font:400 16px/1.4 Nunito,system-ui,sans-serif;margin-top:7px;max-width:100%}body.app textarea{min-height:120px;resize:vertical}body.app input[type=checkbox],body.app input[type=radio]{width:19px;height:19px;accent-color:var(--purple);vertical-align:middle;margin-right:8px}body.app select[multiple]{min-height:200px}.notice{border-radius:14px;padding:16px 20px;background:#e5f6ef;border:1px solid #bce5d4;color:#14694f;margin:18px 0}.notice.error{background:#fff0f1;border-color:#f0c5cd;color:#94344a}.muted{color:var(--muted);font-size:14px}.table-wrap{overflow-x:auto;width:100%;border:1px solid var(--line);border-radius:15px}body.app table{border-collapse:collapse;width:100%;background:#fff;font-size:14px}body.app th,body.app td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;overflow-wrap:anywhere}body.app th{background:#f4f5fc;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.06em}body.app tr:last-child td{border-bottom:0}body.app td img{max-width:160px;height:auto}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.topic-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;display:flex;flex-direction:column;gap:16px}.topic-card h2{font-size:18px;margin:0;overflow-wrap:anywhere}.topic-card.done{border-color:#afdfcc}.topic-card .actions{margin-top:auto}.topic-card p{margin:0}.badge{display:inline-block;font-size:12px;font-weight:900;border-radius:9px;padding:5px 9px;background:#efebff;color:#6b45b4}.badge.green{background:#e1f5ec;color:#167451}.progress-track{height:8px;border-radius:8px;background:#eceef7;overflow:hidden}.progress-track span{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--purple));border-radius:8px}.score{font-size:25px;font-weight:900}.topic-checks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.topic-checks label{margin:0;padding:12px;background:var(--soft);border-radius:10px}.footer{color:#8891a6;text-align:center;font-size:12px;padding:30px 0 10px}.login-panel{max-width:440px;margin:45px auto}.login-panel h1{font-size:29px}.login-panel .button{width:100%}.legacy{display:block!important;width:min(1120px,100%)!important;margin:0 auto!important;height:auto!important;min-height:100svh!important;padding:25px!important;overflow-y:auto!important;background-image:none!important}.legacy>.container,.legacy>.wrap{width:100%!important;max-width:1100px!important;margin:20px auto!important}.legacy form{max-width:100%;border-radius:18px}.legacy>form{background:#fff;padding:25px;margin:25px auto;max-width:700px;border:1px solid var(--line)}.legacy img,.legacy audio{max-width:100%}.legacy h1{font-size:30px;color:var(--ink)}.legacy table{min-width:650px}.legacy .table-wrap table{margin:0}.legacy .topbar{margin-bottom:24px}.legacy input[type=checkbox]{display:inline-block!important}.legacy .table-responsive{overflow-x:auto}.legacy a{color:var(--blue)}.legacy .topbar a.button{color:var(--ink)}@media(max-width:850px){.tile-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-links{grid-template-columns:1fr 1fr}.hero-card{padding:22px;gap:12px}.hero-card .emoji{font-size:28px}.hero-card h2{font-size:21px}.hero-card .arrow{display:none}}@media(max-width:600px){.shell{padding:20px 16px}.topbar{gap:12px;padding-bottom:20px;align-items:flex-start}.brand{font-size:16px;gap:9px}.brand-icon{width:44px;height:44px;border-radius:14px;font-size:24px}.brand small{font-size:10px}.user-chip{display:none}.topbar nav{gap:10px}.hero-links,.tile-grid,.form-grid,.topic-grid,.topic-checks{grid-template-columns:1fr}.hero-links{gap:12px;margin-bottom:26px}.hero-card{padding:23px}.hero-card .emoji{font-size:34px}.hero-card .arrow{display:block}.page-heading{margin:27px 0 22px}.dashboard-group summary{padding:16px;font-size:18px}.tile-grid{padding:0 15px 15px;gap:9px}.tile{padding:16px}.panel,.card{padding:20px}.actions>.button,.actions>button{flex:1}.legacy{padding:16px!important}.legacy h1{font-size:26px}.legacy .topbar{margin-bottom:18px}body.app th,body.app td{padding:12px}.wide{grid-column:auto}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media print{body.app{background:white}.topbar,.footer,.actions,form,.no-print{display:none!important}.shell{width:100%;padding:0}.panel,.card{box-shadow:none}.table-wrap{overflow:visible;border:0}body.app table{font-size:10pt}tr{break-inside:avoid}}

/* Integración con las pantallas existentes. */
.topbar .brand>span:not(.brand-icon){background:transparent;padding:0;border-radius:0;font-size:inherit}.topbar .brand-icon{padding:0}.topbar .user-chip{background:transparent;padding:0;font-size:13px}.legacy .topbar{width:100%;max-width:1100px;margin-left:auto;margin-right:auto}.legacy .exercise-group{border:1px solid var(--line);border-radius:17px;overflow:hidden;margin:20px 0}.legacy .group-title{background:#f0ecff;padding:15px 18px;margin:0;font-size:17px}.legacy .edit-card{margin:0 18px}.legacy .exercise-group .table-wrap{border:0;border-radius:0}.legacy .explanation-row td{background:#f6faf8;color:#496b5f;font-weight:400}.legacy .explanation-row strong{display:block;margin-bottom:8px}.legacy .topbar+.container{max-width:760px!important}body.app .topbar .brand{color:var(--ink)}@media(max-width:650px){.legacy table{min-width:0}.legacy .exercise-group table{table-layout:auto}.legacy .exercise-group td{padding:10px 16px}.legacy .explanation-row td:before{display:none}.legacy .topbar nav .button{width:auto}.legacy .topbar nav a{font-size:14px}.legacy .topbar{flex-wrap:wrap}}

.vmp-icon{width:26px;height:26px;display:block;flex:none}.brand-icon{color:white}.brand-icon .vmp-icon{width:30px;height:30px}.hero-card .vmp-icon{width:38px;height:38px}.group-icon{color:#6e4bd1}.legacy .topbar .brand-icon{color:white}