/* Layout: cabecera con marca + pestañas (solo el propietario ve "Respuestas"); columna de lectura de 760px para el formulario; panel ancho para resultados */
:root{
  --bg:#F3F4F2; --surface:#FFFFFF; --ink:#16181A; --muted:#4F555B; --line:#D7DAD7; --soft:#ECEEEB;
  --red:#E2001A; --red-ink:#B80015; --red-soft:#FDE7E9; --on-red:#FFFFFF; --ok:#1F6B45; --ok-soft:#E3F1E9;
  --display:'Archivo','Arial Narrow',system-ui,sans-serif;
  --body:'Source Sans 3',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0E0F10; --surface:#17191B; --ink:#EEF0EE; --muted:#A8AEB3; --line:#2E3236; --soft:#1F2225;
  --red:#E2001A; --red-ink:#FF7A86; --red-soft:#2A1013; --on-red:#FFFFFF; --ok:#7CD3A2; --ok-soft:#13261C; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E0F10; --surface:#17191B; --ink:#EEF0EE; --muted:#A8AEB3; --line:#2E3236; --soft:#1F2225;
  --red:#E2001A; --red-ink:#FF7A86; --red-soft:#2A1013; --on-red:#FFFFFF; --ok:#7CD3A2; --ok-soft:#13261C; color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.55}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--surface)}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.narrow{max-width:800px}
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--surface);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:16px;min-height:62px;flex-wrap:wrap;padding-block:8px}
.logo{height:22px;width:auto;display:block}
.logo.dark{display:none}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .logo.light{display:none}:root:not([data-theme="light"]) .logo.dark{display:block}}
:root[data-theme="dark"] .logo.light{display:none}:root[data-theme="dark"] .logo.dark{display:block}
nav{margin-left:auto;display:flex;gap:4px}
nav button{font:600 15px var(--body);color:var(--muted);background:none;border:0;padding:9px 14px;border-radius:999px;cursor:pointer}
nav button[aria-selected="true"]{background:var(--ink);color:var(--bg)}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,label:focus-within{outline:3px solid var(--red-ink);outline-offset:2px}
h1,h2,h3{font-family:var(--display);font-stretch:115%;letter-spacing:-0.025em;text-wrap:balance;margin:0}
h1{font-size:clamp(34px,6vw,56px);font-weight:900;line-height:1}
h2{font-size:clamp(24px,3.4vw,32px);font-weight:850;line-height:1.1}
h3{font-size:19px;font-weight:800;line-height:1.25;font-stretch:105%}
.hero{padding-block:44px 24px;display:grid;gap:16px}
.stripes{display:grid;gap:5px;width:150px}
.stripes i{display:block;height:8px;background:var(--red)}
.lead{font-size:19px;color:var(--muted);margin:0;max-width:60ch}
.meta{display:flex;gap:18px;flex-wrap:wrap;font-size:15px;color:var(--muted)}
.meta b{color:var(--ink)}
form{display:grid;gap:22px;padding-block:8px 56px}
.sec{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px clamp(18px,4vw,32px);display:grid;gap:22px}
.sec-h{display:flex;gap:14px;align-items:baseline}
.sec-h .n{font:900 30px var(--display);font-stretch:125%;color:var(--red);line-height:1}
.sec-h p{margin:4px 0 0;color:var(--muted);font-size:15px}
fieldset{border:0;margin:0;padding:0;display:grid;gap:10px;min-width:0}
legend{font-weight:700;font-size:17px;padding:0;margin-bottom:10px}
legend .opt,.lbl .opt{font-weight:400;color:var(--muted);font-size:14px}
.lbl{font-weight:700;font-size:17px;display:block;margin-bottom:8px}
.help{font-size:14px;color:var(--muted);margin:-4px 0 0}
input[type=text],select,textarea{width:100%;font:16px var(--body);color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:12px;padding:12px 14px}
textarea{min-height:110px;resize:vertical;line-height:1.5}
input::placeholder,textarea::placeholder{color:var(--muted)}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:16px}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{position:relative}
.pill input{position:absolute;opacity:0;inset:0;cursor:pointer;margin:0}
.pill span{display:inline-flex;align-items:center;min-height:44px;padding:8px 16px;border-radius:999px;border:1.5px solid var(--line);background:var(--bg);font-size:16px;font-weight:600;cursor:pointer;transition:background-color .15s,border-color .15s,color .15s}
.pill input:checked + span{background:var(--red);border-color:var(--red);color:var(--on-red)}
.pill input:focus-visible + span{outline:3px solid var(--red-ink);outline-offset:2px}
.scale{display:grid;gap:14px}
.srow{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px 18px;align-items:center;padding-bottom:14px;border-bottom:1px solid var(--soft)}
.srow:last-child{border-bottom:0;padding-bottom:0}
.srow .q{font-size:16px;font-weight:600}
.dots{display:flex;gap:6px}
.dot{position:relative}
.dot input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.dot span{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);background:var(--bg);font:600 15px var(--mono);cursor:pointer}
.dot input:checked + span{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.dot input:focus-visible + span{outline:3px solid var(--red-ink);outline-offset:2px}
.legend-scale{display:flex;justify-content:flex-end;gap:14px;font-size:13px;color:var(--muted);flex-wrap:wrap}
@media (max-width:620px){.srow{grid-template-columns:1fr}}
.quiz{display:grid;gap:8px}
.qopt{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--bg);cursor:pointer;font-size:16px}
.qopt input{margin:4px 0 0;accent-color:var(--red);width:18px;height:18px;flex:none}
.qopt:has(input:checked){border-color:var(--ink)}
.task{display:grid;gap:12px;padding:18px;border-radius:14px;background:var(--soft)}
.task .tag{font:800 13px var(--body);letter-spacing:.06em;text-transform:uppercase;color:var(--red-ink)}
.actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.btn{font:700 17px var(--body);background:var(--red);color:var(--on-red);border:0;border-radius:999px;padding:14px 26px;min-height:48px;cursor:pointer;transition:transform .15s}
.btn:active{transform:scale(.98)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.status{font-size:15px;color:var(--muted)}
.status.err{color:var(--red-ink);font-weight:600}
.banner{border-radius:14px;padding:14px 18px;font-size:15px;background:var(--soft);border:1px solid var(--line)}
.banner.warn{background:var(--red-soft);border-color:var(--red);color:var(--ink)}
.field-err{color:var(--red-ink);font-size:14px;font-weight:600;margin:0}
.done{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:32px clamp(18px,4vw,36px);display:grid;gap:18px;margin-block:8px 56px}
.level{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.level .big{font:900 clamp(40px,7vw,64px)/1 var(--display);font-stretch:125%;color:var(--red);letter-spacing:-.03em}
.meter{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;max-width:420px}
.meter i{height:10px;border-radius:5px;background:var(--line)}
.meter i.on{background:var(--red)}
.meter-l{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;max-width:420px;font-size:13px;color:var(--muted)}
/* resultados */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:14px;margin-block:24px}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px 20px;display:grid;gap:4px}
.tile .v{font:900 40px/1 var(--display);font-stretch:118%;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.tile .k{font-size:14px;color:var(--muted)}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:16px;margin-bottom:16px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px 22px;display:grid;gap:14px;align-content:start;min-width:0}
.bars{display:grid;gap:10px}
.brow{display:grid;grid-template-columns:110px minmax(0,1fr) 36px;gap:10px;align-items:center;font-size:15px}
.track{height:14px;border-radius:7px;background:var(--soft);overflow:hidden}
.fill{height:100%;background:var(--red);border-radius:7px}
.fill.l0{background:var(--line)}.fill.l1{background:color-mix(in srgb,var(--red) 45%,var(--line))}.fill.l2{background:color-mix(in srgb,var(--red) 75%,var(--line))}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;text-align:right}
.tbl{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:15px}
th{text-align:left;font-weight:700;color:var(--muted);font-size:13px;padding:8px 10px;border-bottom:1.5px solid var(--line)}
td{padding:10px;border-bottom:1px solid var(--soft);vertical-align:top}
td.num,th.num{text-align:right}
.chip{display:inline-block;font-size:13px;font-weight:700;padding:3px 10px;border-radius:999px;border:1.5px solid currentColor;white-space:nowrap}
.chip.L0{color:var(--muted)}.chip.L1{color:var(--ink)}.chip.L2{color:var(--red-ink)}.chip.L3{background:var(--red);border-color:var(--red);color:var(--on-red)}
.toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:end;margin-block:8px 16px}
.toolbar .f{display:grid;gap:4px;min-width:220px}
.toolbar label{font-size:13px;font-weight:700;color:var(--muted)}
.tasks{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:12px}
.tcard{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 18px;display:grid;gap:8px;min-width:0}
.tcard .who{display:flex;justify-content:space-between;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.tcard p{margin:0;font-size:16px;overflow-wrap:anywhere}
.tcard .h{font:500 13px var(--mono);color:var(--red-ink)}
.empty{padding:36px;border:2px dashed var(--line);border-radius:16px;text-align:center;color:var(--muted)}
footer{border-top:1px solid var(--line);padding-block:22px;color:var(--muted);font-size:14px}
@media (prefers-reduced-motion: reduce){*{transition:none!important}}

.mt0{margin-top:0}.lead.sm{font-size:17px}.quiz-wrap{display:grid;gap:18px;padding-top:6px}.quiz-list{display:grid;gap:22px}
.hero.tight{padding-bottom:4px}.mb16{margin-bottom:16px}.mb48{margin-bottom:48px}.push{margin-left:auto}
.lead.mt{margin-top:12px}.q{margin-bottom:0}
.login{max-width:520px}
.xbtn{font:600 13px var(--body);color:var(--red-ink);background:none;border:1px solid var(--line);border-radius:999px;padding:4px 10px;cursor:pointer}
.xbtn:hover{background:var(--red-soft)}
a.btn{text-decoration:none;display:inline-flex;align-items:center}
.share{display:flex;gap:10px;flex-wrap:wrap;align-items:center;font-size:15px;color:var(--muted)}
.share code{font:14px var(--mono);background:var(--soft);padding:4px 8px;border-radius:8px;color:var(--ink);word-break:break-all}
[hidden]{display:none!important}
.tile .v{font-size:clamp(26px,3.2vw,42px);overflow-wrap:anywhere}