:root{font-family:system-ui,-apple-system,sans-serif;background:#080f1d;color:#eef5ff}*{box-sizing:border-box}body{margin:0}header{padding:18px 20px;border-bottom:1px solid #233047;background:#0c1627;display:flex;align-items:center;gap:12px}header img{width:48px;height:48px;border-radius:50%}header b{font-size:19px;letter-spacing:1px}header small{display:block;color:#91a7c6;letter-spacing:2px;font-size:10px}main{max-width:840px;margin:auto;padding:22px 16px 80px}.card{border:1px solid #293b56;border-radius:18px;padding:20px;background:#111d30;margin-bottom:16px}.hero{background:linear-gradient(135deg,#173765,#0d1a30)}h1{font-size:26px;margin:0 0 8px}h2{font-size:19px;margin:0 0 15px}.muted{color:#9eb0c8;font-size:13px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.slot{padding:15px;background:#172840;border:1px solid #365070;border-radius:12px;margin:10px 0}.row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.btn{background:#2d7bf3;color:white;border:0;padding:12px 16px;border-radius:11px;font-weight:700;cursor:pointer}.btn:disabled{opacity:.4;cursor:not-allowed}.secondary{background:#273b58}.danger{background:#76303b}.small{font-size:12px;padding:8px 10px}input,select{width:100%;padding:13px;background:#0b1422;color:white;border:1px solid #3c506d;border-radius:10px;margin:7px 0 15px}label{font-size:13px;color:#bdcce0}.hidden{display:none!important}.status{padding:11px;border-radius:10px;background:#1e334d;color:#c5e0ff;margin:12px 0}.bad{background:#48212b;color:#ffc6cd}.big{font-size:36px;font-weight:800;color:#75adff}.tag{font-size:12px;background:#234268;border-radius:20px;padding:5px 10px}.link{color:#8bbcff}a{color:#8bbcff}.topnav{margin-left:auto}.progress{height:9px;background:#273c57;border-radius:20px;overflow:hidden}.progress div{height:100%;background:#3b8cff}

/* V17: Agenda semanal de alumnos */
.agenda-card{padding:20px 16px}.agenda-heading{display:flex;align-items:start;justify-content:space-between;gap:12px}.agenda-heading h2{margin:5px 0 6px;font-size:23px}.agenda-eyebrow{color:#7baaf9;font-size:10px;font-weight:800;letter-spacing:2px}.agenda-heading .muted{margin:0 0 18px}.agenda-controls{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:4px 0 14px}.agenda-controls strong{font-size:14px}.agenda-arrow{border:1px solid #334b6a;background:#182a44;color:#e8f1ff;border-radius:12px;width:40px;height:40px;font-size:27px;cursor:pointer}.agenda-days{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px;margin-bottom:19px}.agenda-day{background:#18263c;border:1px solid transparent;color:#aebed4;border-radius:14px;padding:10px 0 7px;min-width:0;display:flex;flex-direction:column;align-items:center;gap:7px;cursor:pointer}.agenda-day span{font-size:10px;font-weight:700}.agenda-day strong{font-size:19px;color:#e8f1ff}.agenda-day.selected{background:#3279e9;border-color:#80b2ff;color:#fff}.agenda-day i,.agenda-day em{width:5px;height:5px;border-radius:50%;background:#8fbdff}.agenda-day em{background:transparent}.agenda-session{background:#17263c;border:1px solid #304763;border-radius:15px;padding:15px 12px;display:grid;grid-template-columns:58px 1fr;gap:10px;margin:10px 0}.agenda-time{color:#91bfff;font-weight:800;font-size:17px;padding-top:2px}.agenda-session-main{display:flex;flex-direction:column;gap:6px;min-width:0}.agenda-session-main strong{font-size:15px}.agenda-session-main span{font-size:12px;color:#a7b9d1}.agenda-actions{grid-column:1/-1;display:flex;gap:8px;flex-wrap:wrap}.agenda-actions .btn{flex:1;min-height:39px}.agenda-empty{text-align:center;padding:28px 8px 23px;color:#d6e4f7}.agenda-empty-icon{font-size:29px;margin-bottom:10px}.agenda-empty p{color:#9eb0c8;font-size:13px}.agenda-hint{font-size:11px;color:#91a4bd;margin:15px 0 0}@media(min-width:640px){.agenda-card{padding:25px}.agenda-session{grid-template-columns:70px 1fr auto;align-items:center}.agenda-actions{grid-column:auto}.agenda-actions .btn{flex:unset}}