/* Mejoras compartidas: la aplicación mantiene un solo HTML en todos los tamaños. */
html{min-width:0}body{min-width:0}main,header,footer,.card,.grid,.two-columns,.page-heading{min-width:0}img,svg,video{max-width:100%;height:auto}h1,h2,h3,p,a,strong,td,th{overflow-wrap:anywhere}form{min-width:0}input,textarea,select{min-width:0;max-width:100%;font-size:16px}button,.button,.secondary,.quiet,.danger{min-height:44px;min-width:44px;display:inline-flex;align-items:center;justify-content:center;text-align:center}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible,canvas:focus-visible{outline:3px solid #b44cf0;outline-offset:3px}.skip-link{position:absolute;left:12px;top:-60px;z-index:100;background:#fff;padding:10px 14px}.skip-link:focus{top:10px}.menu-toggle{display:none;background:#eeecfa;color:#362a8d;border:1px solid #c8bff1}.site-header nav a[aria-current=page]{text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:6px}.material a,.material strong{overflow-wrap:anywhere}.table-wrap{max-width:100%;overflow-x:auto}.admin-row>*{min-width:0}.map-shell,.map-panel{max-width:100%}.search{min-width:0}.hero-art{max-width:100%}
@media(max-width:760px){.site-header{position:relative;display:flex;flex-direction:row;align-items:center;padding:14px 18px}.site-header .brand{font-size:22px}.menu-toggle{display:inline-flex;gap:8px;margin-left:auto}.site-header nav{display:none;position:absolute;top:100%;left:12px;right:12px;z-index:30;max-height:min(75vh,650px);overflow-y:auto;background:#fff;border:1px solid var(--line);box-shadow:0 16px 35px #17123c2c;border-radius:14px;padding:14px;flex-direction:column;align-items:stretch;gap:2px}.site-header nav.is-open{display:flex}.site-header nav a,.site-header nav form button{display:flex;align-items:center;justify-content:flex-start;width:100%;min-height:48px;padding:10px 14px}.site-header nav form{width:100%}.site-header nav .button{color:#fff}.page-heading{flex-wrap:wrap}.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.stats>div{min-width:0}.two-columns{grid-template-columns:1fr}.map-heading{display:block}.map-progress{min-width:0}.admin-row{flex-wrap:wrap}.admin-row form{margin-left:auto}.search{flex-wrap:wrap}.search label{min-width:min(100%,220px)}.search button{width:100%}footer{flex-wrap:wrap}}
@media(max-width:480px){main{padding:24px 16px 45px}.site-header{padding:12px 16px}.grid,.features,.quick-maps{grid-template-columns:1fr}.card{padding:18px}.stats{gap:10px}.stats>div{padding:14px}.stats strong{font-size:26px}.actions{gap:8px}.lesson-row{padding:13px}.map-controls{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}.map-controls button{padding:8px 4px;font-size:12px}.map-toolbar,.map-bottom{padding:12px}.map-panel{height:min(65vh,520px);min-height:350px}.map-selection{padding:18px}.auth{margin:10px auto}.hero{display:block}.hero-art{margin-top:24px;height:245px}.hero h1{font-size:clamp(32px,9vw,42px)}.art-node{padding:12px 14px;font-size:13px}.one{left:12px}.two{left:36%}.three{right:8px}.table-wrap table{min-width:600px}}
@media(max-width:360px){.site-header .brand{font-size:19px}.menu-toggle span{display:none}.stats{grid-template-columns:1fr}.map-bottom .legend{gap:10px}.map-bottom .legend span{white-space:nowrap}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}
.report-control{margin:14px 0 22px;padding:10px 14px;border:1px solid var(--line);border-radius:10px;background:#fff}.report-control summary{min-height:40px;display:flex;align-items:center}.report-control form{margin-top:14px}.report-card .actions{align-items:end;margin-top:18px}.report-card .actions label{margin:0}.report-card .actions form{min-width:min(100%,170px)}.pagination{display:flex;gap:14px;align-items:center;justify-content:center;margin:30px 0}.academic-note{padding:12px 16px;background:#f0edfc;border-left:4px solid var(--purple);border-radius:7px;color:#3b3678}.hidden-note,.notice.warning{color:#8a3b2f}.notice.warning{background:#fff4e9;border-color:#f1cba2}.helpful-count{font-size:12px;color:var(--muted)}
.admin-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.admin-stats>div{min-width:0}.table-wrap table{min-width:800px}.table-wrap td form{margin:4px 0}.table-wrap td button{white-space:nowrap}.search input[type=date]{min-width:135px}@media(max-width:760px){.admin-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:360px){.admin-stats{grid-template-columns:1fr}}
.field-error{margin:-8px 0 16px;padding:9px 12px;border-left:3px solid #a5213d;background:#fff0f2;color:#831631;border-radius:5px;font-size:14px}input[aria-invalid=true],textarea[aria-invalid=true]{border-color:#a5213d}
.participant-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:12px}.participant-card{display:flex;align-items:center;gap:12px;padding:14px;border:1px solid var(--line);border-radius:12px;color:var(--ink);min-width:0}.participant-card:hover,.forum-card:hover{border-color:var(--purple)}.participant-card>span:last-child{min-width:0}.participant-card small{overflow-wrap:anywhere}.participant-avatar{width:48px;height:48px;flex:none;border-radius:50%;background:#eee9fc;color:var(--purple);display:grid;place-items:center;font-size:22px;font-weight:700;overflow:hidden}.participant-avatar img{width:100%;height:100%;object-fit:cover}.public-profile{display:flex;align-items:center;gap:24px}.public-profile .participant-avatar{width:96px;height:96px;font-size:38px}.forum-search{display:grid;grid-template-columns:minmax(180px,2fr) minmax(150px,1fr) minmax(140px,1fr) auto;align-items:end}.forum-search label{margin:0}.forum-layout{grid-template-columns:minmax(0,2fr) minmax(250px,1fr)}.forum-card h3{margin:12px 0 6px}.forum-card p{margin:6px 0}.forum-meta{display:flex;flex-wrap:wrap;gap:8px 18px;color:var(--muted);font-size:13px;margin:14px 0}.forum-card .text-link{display:inline-block;margin-top:4px}.forum-detail .button{margin:8px 0}.rating-form{display:flex;align-items:end;gap:12px;flex-wrap:wrap}.rating-form label{margin:0;min-width:190px}@media(max-width:760px){.forum-search{grid-template-columns:1fr 1fr}.forum-search label:first-child{grid-column:1/-1}.forum-layout{grid-template-columns:1fr}}@media(max-width:480px){.forum-search{grid-template-columns:1fr}.forum-search label:first-child{grid-column:auto}.public-profile{align-items:flex-start;flex-direction:column}.forum-search button{width:100%}}

.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}