:root{
  --c-azul:#1d6bd0;--c-violeta:#7a43cc;--c-naranja:#d65c1b;--c-verde:#1f8a4c;--c-rosa:#c23a7a;--c-cian:#0e8a99;--c-ambar:#a86b00;--c-gris:#5b6b8c;
  --paper:#f5f2e8; --card:#fffdf6; --card-2:#fbf8ee;
  --grid:rgba(40,90,160,.075); --grid-major:rgba(40,90,160,.15);
  --ink:#16223d; --ink-2:#46557a; --ink-3:#7b87a3; --line:rgba(22,34,61,.15); --line-2:rgba(22,34,61,.28);
  --hl:#ffe24a; --hl-soft:rgba(255,226,74,.45); --margin:#d1453a;
  --cal:#1d6bd0; --alg:#7a43cc; --fis:#d65c1b;
  --s-pendiente:#c4cad8; --s-aprendiendo:#f0bd24; --s-practicado:#3aa3d4; --s-repaso:#e0524a; --s-dominado:#2c9a57;
  --ok:#22884b; --bad:#c9382f;
  --shadow:0 1px 0 rgba(22,34,61,.05),0 10px 24px -16px rgba(22,34,61,.35);
  --radius:14px;
  --accent:#6a3cc9; --accent-ink:#fff;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --c-azul:#5ea4ff;--c-violeta:#b48cff;--c-naranja:#ff9a57;--c-verde:#4fd08a;--c-rosa:#ff7ab8;--c-cian:#4fd6e6;--c-ambar:#ffc24d;--c-gris:#a8b6d4;
    --paper:#0c2140; --card:#11294b; --card-2:#0f2645;
    --grid:rgba(150,195,255,.06); --grid-major:rgba(150,195,255,.12);
    --ink:#eaf2ff; --ink-2:#a8bcdd; --ink-3:#7890b6; --line:rgba(200,222,255,.15); --line-2:rgba(200,222,255,.3);
    --hl:#ffd93d; --hl-soft:rgba(255,217,61,.25); --margin:#ff7b6b;
    --cal:#5ea4ff; --alg:#b48cff; --fis:#ff9a57;
    --s-pendiente:#4a5f82; --s-aprendiendo:#f5c63a; --s-practicado:#4fb9ea; --s-repaso:#ff6e63; --s-dominado:#3fc276;
    --ok:#4cd486; --bad:#ff7066;
    --shadow:0 1px 0 rgba(0,0,0,.2),0 14px 30px -18px rgba(0,0,0,.7);
    --accent:#b48cff; --accent-ink:#0c2140;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --c-azul:#5ea4ff;--c-violeta:#b48cff;--c-naranja:#ff9a57;--c-verde:#4fd08a;--c-rosa:#ff7ab8;--c-cian:#4fd6e6;--c-ambar:#ffc24d;--c-gris:#a8b6d4;
  --paper:#0c2140; --card:#11294b; --card-2:#0f2645;
  --grid:rgba(150,195,255,.06); --grid-major:rgba(150,195,255,.12);
  --ink:#eaf2ff; --ink-2:#a8bcdd; --ink-3:#7890b6; --line:rgba(200,222,255,.15); --line-2:rgba(200,222,255,.3);
  --hl:#ffd93d; --hl-soft:rgba(255,217,61,.25); --margin:#ff7b6b;
  --cal:#5ea4ff; --alg:#b48cff; --fis:#ff9a57;
  --s-pendiente:#4a5f82; --s-aprendiendo:#f5c63a; --s-practicado:#4fb9ea; --s-repaso:#ff6e63; --s-dominado:#3fc276;
  --ok:#4cd486; --bad:#ff7066;
  --shadow:0 1px 0 rgba(0,0,0,.2),0 14px 30px -18px rgba(0,0,0,.7);
  --accent:#b48cff; --accent-ink:#0c2140;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  background-color:var(--paper);
  background-image:
    linear-gradient(var(--grid-major) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-major) 1px,transparent 1px),
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:100px 100px,100px 100px,20px 20px,20px 20px;
  color:var(--ink);
  font-family:"Atkinson Hyperlegible",system-ui,sans-serif;
  font-size:16px; line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit}
:focus-visible{outline:3px solid var(--hl);outline-offset:2px;border-radius:6px}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px 80px;position:relative}
.display{font-family:"Archivo",system-ui,sans-serif;font-stretch:118%;letter-spacing:-.01em}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace}
.hand{font-family:"Kalam",cursive}
.hl{background:linear-gradient(transparent 58%,var(--hl-soft) 58%,var(--hl-soft) 94%,transparent 94%)}
.muted{color:var(--ink-2)}
.tiny{font-size:.8rem}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- top bar ---------- */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top-in{max-width:1200px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.logo{width:34px;height:34px;border-radius:9px;background:var(--ink);color:var(--paper);display:grid;place-items:center;font-family:"Archivo";font-weight:800;font-stretch:125%;font-size:18px;flex:none;position:relative}
.logo::after{content:"";position:absolute;left:6px;top:4px;bottom:4px;width:2px;background:var(--margin);border-radius:2px}
.brand b{font-family:"Archivo";font-stretch:122%;font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.brand small{display:block;color:var(--ink-3);font-size:.75rem;line-height:1.1;white-space:nowrap}
.spacer{flex:1}
.iconbtn{border:1px solid var(--line-2);background:var(--card);border-radius:10px;min-height:38px;padding:0 10px;display:inline-flex;align-items:center;gap:6px;cursor:pointer}
.iconbtn:hover{border-color:var(--ink-2)}
.kbd{font-family:"JetBrains Mono";font-size:.72rem;border:1px solid var(--line-2);border-radius:5px;padding:1px 5px;color:var(--ink-2)}
.sync{font-size:.75rem;color:var(--ink-3);display:flex;align-items:center;gap:6px;white-space:nowrap}
.sync i{width:8px;height:8px;border-radius:50%;background:var(--ink-3);display:inline-block}
.sync[data-s="cuenta"] i{background:var(--ok)}
.sync[data-s="local"] i{background:var(--s-aprendiendo)}

/* ---------- sidebar (desktop) ---------- */
.sidebar-toggle{display:none}
.sidebar{position:fixed;top:0;left:0;bottom:0;width:200px;z-index:25;background:var(--card);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:68px 0 16px;overflow-y:auto;overflow-x:hidden;scrollbar-width:none}
.sidebar::-webkit-scrollbar{display:none}
.sidenav{display:flex;flex-direction:column;gap:2px;padding:8px}
.tab{border:0;background:none;padding:10px 14px;cursor:pointer;color:var(--ink-2);font-weight:700;white-space:nowrap;border-radius:10px;display:flex;gap:10px;align-items:center;border-left:3px solid transparent;font-size:.92rem;width:100%;text-align:left}
.tab:hover{background:color-mix(in srgb,var(--ink) 6%,transparent)}
.tab[aria-selected="true"]{color:var(--ink);background:color-mix(in srgb,var(--ink) 8%,transparent);border-left-color:var(--ink)}
.tab .ti{font-size:1.1rem;width:22px;text-align:center;flex:none;line-height:1}
.tab .count{font-size:.7rem;background:var(--margin);color:#fff;border-radius:99px;padding:0 6px;font-weight:700;margin-left:auto}
@media (min-width:769px){
  .top{margin-left:200px}
  .wrap{margin-left:200px}
}

/* ---------- bottom nav (mobile) ---------- */
.bottomnav{display:none}
@media (max-width:768px){
  .sidebar{display:none}
  .sidebar.open{display:flex;width:240px;padding-top:16px;z-index:45}
  .sidebar-toggle{display:inline-flex}
  .top{margin-left:0}
  .wrap{margin-left:0;padding-bottom:100px}
  .bottomnav{position:fixed;bottom:0;left:0;right:0;z-index:20;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(8px);border-top:1px solid var(--line);display:flex;justify-content:space-around;padding:4px 4px calc(4px + env(safe-area-inset-bottom))}
  .btab{border:0;background:none;padding:6px 1px;cursor:pointer;color:var(--ink-3);font-weight:700;font-size:.6rem;display:flex;flex-direction:column;align-items:center;gap:1px;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .btab .ti{font-size:1.2rem;line-height:1}
  .btab[aria-selected="true"]{color:var(--ink)}
  .btab[aria-selected="true"] .ti{transform:scale(1.1)}
  .btab .count{font-size:.6rem;background:var(--margin);color:#fff;border-radius:99px;padding:0 5px;font-weight:700;position:absolute;top:-2px;right:-6px}
  .btab{position:relative}
}

/* ---------- generic ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.sec-title{display:flex;align-items:baseline;gap:10px;margin:28px 0 12px;flex-wrap:wrap}
.sec-title h2{margin:0;font-family:"Archivo";font-stretch:118%;font-weight:800;font-size:1.25rem;letter-spacing:-.01em}
.sec-title .hand{color:var(--margin);font-size:1rem}
.btn{border:1.5px solid var(--ink);background:var(--ink);color:var(--paper);border-radius:11px;min-height:44px;padding:0 16px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none}
.btn:hover{filter:brightness(1.12)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn.ghost:hover{border-color:var(--ink)}
.btn.hlbtn{background:var(--hl);color:#2b2300;border-color:#d9b900}
.btn.small{min-height:36px;padding:0 12px;font-size:.9rem;border-radius:9px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line-2);border-radius:99px;padding:2px 10px;font-size:.78rem;font-weight:700;white-space:nowrap;background:var(--card)}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block;flex:none}

.subj-chip{border-color:color-mix(in srgb,var(--sc) 55%,transparent);color:var(--sc);background:color-mix(in srgb,var(--sc) 9%,var(--card))}
.scope{font-size:.72rem;font-weight:700;border-radius:6px;padding:1px 7px;border:1px solid var(--line-2);color:var(--ink-2);white-space:nowrap}
.scope.noconf{background:repeating-linear-gradient(-45deg,transparent 0 4px,var(--hl-soft) 4px 7px);color:var(--ink)}
.scope.hist{border-style:dashed}
.grid2{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:18px}
@media (max-width:900px){.grid2{grid-template-columns:minmax(0,1fr)}}
.note{font-family:"Kalam",cursive;color:var(--margin);font-size:1.02rem;line-height:1.35;transform:rotate(-.6deg);margin:8px 0}
.note::before{content:"✎ "}
.banner-sample{background:repeating-linear-gradient(-45deg,var(--hl) 0 14px,#ffeb85 14px 28px);color:#2b2300;font-weight:800;text-align:center;padding:8px 16px;font-size:.9rem}
.banner-sample button{margin-left:10px;border:1.5px solid #2b2300;background:transparent;border-radius:8px;padding:2px 10px;font-weight:800;cursor:pointer;color:#2b2300}

/* ---------- AHORA ---------- */
.hello{margin:24px 0 6px;display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}
.hello h1{margin:0;font-family:"Archivo";font-stretch:122%;font-weight:800;font-size:clamp(1.7rem,4.2vw,2.6rem);letter-spacing:-.025em;line-height:1.05}
.hello p{margin:6px 0 0;color:var(--ink-2)}
.track{position:relative;height:96px;margin:18px 4px 6px}
.track-line{position:absolute;left:0;right:0;top:48px;height:3px;background:var(--line-2);border-radius:3px}
.track-today{position:absolute;top:30px;width:2px;height:39px;background:var(--ink);left:0}
.track-today span{position:absolute;top:-22px;left:-2px;font-size:.72rem;font-weight:800;background:var(--hl);color:#2b2300;padding:1px 6px;border-radius:5px;white-space:nowrap}
.flag{position:absolute;top:40px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center}
.flag i{width:19px;height:19px;border-radius:50%;background:var(--sc);border:3px solid var(--paper);box-shadow:0 0 0 1.5px var(--sc)}
.flag span{position:absolute;font-size:.72rem;font-weight:700;white-space:nowrap;color:var(--sc);line-height:1.15;text-align:center}
.flag.up span{bottom:26px}
.flag.down span{top:26px}
@media (max-width:640px){.flag span{display:none}.track{height:70px}}
.plan{position:relative;overflow:hidden;border:2px solid var(--ink);padding:0}
.plan-head{padding:18px 18px 12px;background:linear-gradient(90deg,var(--hl-soft),transparent 70%)}
.plan-head .kicker{font-size:.75rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
.plan-head h3{margin:4px 0 6px;font-family:"Archivo";font-stretch:115%;font-weight:800;font-size:1.45rem;line-height:1.15;letter-spacing:-.015em}
.why{margin:10px 0 0;padding:0;list-style:none;display:grid;gap:4px}
.why li{font-size:.9rem;color:var(--ink-2);display:flex;gap:8px}
.why li::before{content:"→";color:var(--margin);font-weight:800}
.steps{list-style:none;margin:0;padding:6px 18px 4px;counter-reset:s}
.steps li{display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:10px;align-items:center;padding:10px 0;border-top:1px dashed var(--line-2)}
.steps li:first-child{border-top:0}
.steps .min{font-family:"JetBrains Mono";font-weight:700;font-size:.85rem;color:var(--ink-2)}
.steps .st-t{font-weight:700}
.steps .st-d{font-size:.86rem;color:var(--ink-2)}
.plan-foot{display:flex;gap:10px;flex-wrap:wrap;padding:12px 18px 18px;align-items:center}
.examlist{display:grid;gap:10px}
.exam{display:grid;grid-template-columns:62px minmax(0,1fr);gap:12px;align-items:center;padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--card);border-left:5px solid var(--sc)}
.exam .dd{text-align:center;font-family:"Archivo";font-stretch:118%;line-height:1}
.exam .dd b{display:block;font-size:1.7rem;font-weight:800;color:var(--sc)}
.exam .dd small{font-size:.7rem;font-weight:700;color:var(--ink-3);text-transform:uppercase;letter-spacing:.05em}
.exam h4{margin:0;font-size:1rem}
.exam p{margin:2px 0 0;font-size:.82rem;color:var(--ink-2)}
.meter{height:12px;border-radius:99px;background:var(--card-2);border:1px solid var(--line);overflow:hidden;display:flex;margin-top:7px}
.meter span{display:block;height:100%}
.readiness{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.ready{padding:14px}
.ready-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.ready-top b{font-family:"Archivo";font-stretch:118%;font-size:1.6rem;font-weight:800}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:.78rem;color:var(--ink-2);margin-top:8px}
.legend span{display:inline-flex;align-items:center;gap:5px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.stat{padding:14px}
.stat b{display:block;font-family:"Archivo";font-stretch:118%;font-size:1.8rem;font-weight:800;line-height:1.1}
.stat span{font-size:.82rem;color:var(--ink-2)}
.duelist{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- MAPA ---------- */
.subj-switch{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 6px}
.seg{border:1.5px solid var(--line-2);background:var(--card);border-radius:99px;padding:6px 14px;font-weight:700;cursor:pointer;display:inline-flex;gap:8px;align-items:center;min-height:40px}
.seg[aria-pressed="true"]{border-color:var(--sc,var(--ink));background:color-mix(in srgb,var(--sc,var(--ink)) 12%,var(--card));color:var(--sc,var(--ink))}
.mapwrap{position:relative;padding:18px 8px 24px}
.mapwrap svg.links{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}
.maprow{position:relative;display:flex;justify-content:center;flex-wrap:wrap;gap:14px 18px;margin-bottom:46px}
.maprow:last-child{margin-bottom:0}
.node{position:relative;z-index:1;width:200px;max-width:100%;text-align:left;cursor:pointer;border:2px solid var(--line-2);background:var(--card);border-radius:13px;padding:10px 12px 10px 16px;box-shadow:var(--shadow);transition:transform .15s}
.node:hover{transform:translateY(-2px)}
.node::before{content:"";position:absolute;left:0;top:0;bottom:0;width:7px;border-radius:11px 0 0 11px;background:var(--stc)}
.node.noconf{border-style:solid;background:linear-gradient(var(--card),var(--card)) padding-box,repeating-linear-gradient(-45deg,var(--line-2) 0 5px,var(--hl) 5px 9px) border-box;border-color:transparent}
.node.hist{border-style:dashed}
.node .code{font-family:"JetBrains Mono";font-size:.72rem;font-weight:700;color:var(--sc)}
.node .nt{font-weight:700;line-height:1.2;display:block;margin:2px 0 6px}
.node .ns{font-size:.75rem;color:var(--ink-2);display:flex;align-items:center;gap:6px}
.node .due{position:absolute;top:-7px;right:-7px;background:var(--margin);color:#fff;font-size:.65rem;font-weight:800;border-radius:99px;padding:1px 7px}
.node.sel{outline:3px solid var(--hl);outline-offset:3px}
.links path{fill:none;stroke:var(--line-2);stroke-width:2}
.links path.ready{stroke:var(--sc);stroke-opacity:.55}
.statusbar{display:flex;gap:6px;flex-wrap:wrap}
.stbtn{border:1.5px solid var(--line-2);background:var(--card);border-radius:10px;padding:6px 10px;font-weight:700;font-size:.85rem;cursor:pointer;display:inline-flex;gap:6px;align-items:center;min-height:40px}
.stbtn[aria-pressed="true"]{border-color:var(--stc);background:color-mix(in srgb,var(--stc) 22%,var(--card))}
.drawer{position:fixed;z-index:40;top:0;right:0;bottom:0;width:min(440px,100%);background:var(--card);border-left:1px solid var(--line-2);box-shadow:-20px 0 40px -20px rgba(0,0,0,.35);transform:translateX(105%);transition:transform .22s ease;display:flex;flex-direction:column}
.drawer.open{transform:none}
.drawer-head{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:flex-start}
.drawer-body{padding:16px 18px 30px;overflow:auto}
.drawer h3{margin:4px 0 0;font-family:"Archivo";font-stretch:115%;font-size:1.3rem;line-height:1.15}
.drawer h4{margin:20px 0 8px;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3)}
.linkrow{display:flex;gap:8px;flex-wrap:wrap}
.evid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.evid .card{padding:12px;box-shadow:none}
.evid b{font-family:"Archivo";font-stretch:118%;font-size:1.3rem;display:block}
.scrim{position:fixed;inset:0;background:rgba(5,12,25,.35);z-index:35;display:none}
.scrim.on{display:block}

/* ---------- PRÁCTICA ---------- */
.prac{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:18px;margin-top:18px}
@media (max-width:900px){.prac{grid-template-columns:minmax(0,1fr)}}
.qcard{padding:22px}
.qmeta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.origin{font-size:.75rem;color:var(--ink-3);font-style:italic}
.q{font-size:1.15rem;line-height:1.55;margin:4px 0 16px}
.opts{display:grid;gap:8px}
.opt{text-align:left;border:1.5px solid var(--line-2);background:var(--card-2);border-radius:11px;padding:11px 14px;cursor:pointer;min-height:46px;display:flex;gap:10px;align-items:center}
.opt:hover{border-color:var(--ink-2)}
.opt[aria-pressed="true"]{border-color:var(--ink);background:var(--hl-soft)}
.opt.right{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 14%,var(--card))}
.opt.wrong{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 12%,var(--card))}
.opt .let{font-family:"JetBrains Mono";font-weight:700;color:var(--ink-3);width:18px}
.numin{width:100%;max-width:260px;border:1.5px solid var(--line-2);background:var(--card-2);border-radius:11px;padding:10px 14px;font-family:"JetBrains Mono";font-size:1.05rem;min-height:46px}
.conf{margin:18px 0 6px}
.conf p{margin:0 0 8px;font-weight:700;font-size:.92rem}
.confrow{display:flex;gap:8px;flex-wrap:wrap}
.feedback{margin-top:16px;border-radius:12px;padding:14px 16px;border:1.5px solid}
.feedback.ok{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 10%,var(--card))}
.feedback.bad{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 9%,var(--card))}
.feedback b{display:block;margin-bottom:4px}
.calib{display:grid;gap:10px}
.calrow{display:grid;grid-template-columns:110px minmax(0,1fr) 54px;gap:10px;align-items:center;font-size:.88rem}
.calbar{height:14px;background:var(--card-2);border:1px solid var(--line);border-radius:99px;overflow:hidden}
.calbar span{display:block;height:100%;background:var(--ink)}
.filterrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}

/* ---------- ERRORES ---------- */
.errs{display:grid;gap:12px;margin-top:16px}
.err{padding:16px;border-left:5px solid var(--sc)}
.err.done{opacity:.6}
.err-top{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:8px}
.danger{background:var(--margin);color:#fff;border-color:var(--margin)}
.err .ans{display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 10px;font-size:.9rem;margin:10px 0}
.err .ans dt{color:var(--ink-3)}
.err .ans dd{margin:0}
.err-tools{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:10px}
.err select,.err input{border:1.5px solid var(--line-2);background:var(--card-2);border-radius:9px;padding:6px 10px;min-height:38px}
.err input{flex:1;min-width:180px}
.empty{padding:28px;text-align:center;color:var(--ink-2)}
.empty .hand{font-size:1.3rem;color:var(--margin);display:block;margin-bottom:6px}

/* ---------- RUTA ---------- */
.cal-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px;margin-top:14px}
.dow{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3);text-align:center;padding:4px 0}
.day{min-height:96px;border:1px solid var(--line);background:var(--card);border-radius:10px;padding:6px;text-align:left;cursor:pointer;display:flex;flex-direction:column;gap:4px;position:relative}
.day.past{opacity:.38;cursor:default}
.day.today{outline:3px solid var(--hl);outline-offset:1px}
.day.sel{border-color:var(--ink);border-width:2px}
.day .n{font-family:"Archivo";font-stretch:118%;font-weight:800;font-size:.95rem}
.day .mon{font-size:.65rem;color:var(--ink-3);font-weight:700;margin-left:3px;text-transform:uppercase}
.day .ex{font-size:.68rem;font-weight:800;color:#fff;background:var(--sc);border-radius:5px;padding:1px 5px;line-height:1.3}
.day .focusbar{display:flex;height:6px;border-radius:99px;overflow:hidden;margin-top:auto}
.day .focusbar span{display:block;height:100%}
.day .tick{position:absolute;top:5px;right:6px;color:var(--ok);font-weight:800}
@media (max-width:640px){.day{min-height:64px;padding:4px}.day .ex{font-size:0;width:100%;height:6px;padding:0}.cal-grid{gap:4px}}
.daydetail{margin-top:16px}

/* ---------- BIBLIOTECA ---------- */
.lib{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;margin-top:12px}
.book{padding:14px;display:flex;flex-direction:column;gap:6px}
.book h4{margin:0;font-size:1rem;line-height:1.25}
.book .lic{display:flex;gap:6px;flex-wrap:wrap}
.ai-ok{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 50%,transparent)}
.ai-cond{color:var(--cal);border-color:color-mix(in srgb,var(--cal) 50%,transparent)}
.ai-no{color:#fff;background:var(--bad);border-color:var(--bad)}
.warn{border:2px solid var(--bad);background:color-mix(in srgb,var(--bad) 7%,var(--card))}
.mine{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px;margin-top:12px}
.res{display:flex;gap:10px;align-items:center;padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--card);text-decoration:none;border-left:5px solid var(--sc)}
.res:hover{border-color:var(--sc)}
.res b{display:block;font-size:.92rem;line-height:1.2}
.res small{color:var(--ink-3);font-size:.75rem}

/* ---------- FOCUS ---------- */
.focus{position:fixed;inset:0;z-index:60;background:var(--paper);display:none;overflow:auto}
.focus.on{display:block}
.focus-in{max-width:880px;margin:0 auto;padding:22px 16px 40px}
.focus-top{display:flex;justify-content:space-between;align-items:center;gap:12px}
.focus-main{display:grid;grid-template-columns:260px minmax(0,1fr);gap:28px;align-items:center;margin-top:24px}
@media (max-width:720px){.focus-main{grid-template-columns:minmax(0,1fr);justify-items:center}}
.ring{position:relative;width:240px;height:240px}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:12}
.ring .bg{stroke:var(--line)}
.ring .fg{stroke:var(--ink);stroke-linecap:round;transition:stroke-dashoffset .9s linear}
.ring .t{position:absolute;inset:0;display:grid;place-items:center;text-align:center}
.ring .t b{font-family:"JetBrains Mono";font-size:2.6rem;font-weight:700;letter-spacing:-.03em}
.ring .t small{display:block;color:var(--ink-2);font-size:.8rem;margin-top:-6px}
.fsteps{list-style:none;margin:0;padding:0;display:grid;gap:8px;width:100%}
.fsteps li{border:1.5px solid var(--line);border-radius:12px;padding:10px 14px;background:var(--card);display:flex;gap:12px;align-items:center}
.fsteps li.cur{border-color:var(--ink);background:var(--hl-soft)}
.fsteps li.done{opacity:.55}
.fsteps li.done .fs-t{text-decoration:line-through}
.fs-n{font-family:"JetBrains Mono";font-weight:700;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--line-2);display:grid;place-items:center;font-size:.8rem;flex:none}
.fs-t{font-weight:700}
.fs-d{font-size:.85rem;color:var(--ink-2)}
.focus-ctrl{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;justify-content:center}
.endpanel{margin-top:26px}

/* ---------- PALETTE ---------- */
.pal{position:fixed;inset:0;z-index:70;background:rgba(5,12,25,.45);display:none;align-items:flex-start;justify-content:center;padding:10vh 16px 16px}
.pal.on{display:flex}
.pal-box{width:min(620px,100%);background:var(--card);border:1px solid var(--line-2);border-radius:16px;box-shadow:0 30px 60px -20px rgba(0,0,0,.5);overflow:hidden}
.pal-box input{width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;padding:16px 18px;font-size:1.05rem;outline:none}
.pal-list{max-height:56vh;overflow:auto;padding:6px}
.pal-item{width:100%;text-align:left;border:0;background:none;border-radius:10px;padding:10px 12px;display:flex;gap:10px;align-items:center;cursor:pointer}
.pal-item[aria-selected="true"]{background:var(--hl-soft)}
.pal-item small{margin-left:auto;color:var(--ink-3);font-size:.75rem;white-space:nowrap}
.m math{font-size:1.08em}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%) translateY(20px);opacity:0;background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:12px;font-weight:700;z-index:80;transition:.25s;pointer-events:none;max-width:calc(100% - 32px)}
.toast.on{opacity:1;transform:translateX(-50%)}
@media (max-width:560px){.brand small{display:none}.sync span{display:none}.hide-sm{display:none}}

/* ---------- CALENDARIO v2 ---------- */
.ver{display:inline-flex;align-items:center;gap:3px;font-size:.7rem;font-weight:800;border-radius:6px;padding:1px 6px;white-space:nowrap}
.ver.ok{color:var(--ok);border:1px solid color-mix(in srgb,var(--ok) 45%,transparent)}
.ver.no{color:#7a5a00;background:var(--hl-soft);border:1px dashed #c9a400}
:root[data-theme="dark"] .ver.no{color:var(--hl)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .ver.no{color:var(--hl)}}
.kchip{display:inline-flex;align-items:center;gap:4px;font-size:.72rem;font-weight:800;border-radius:6px;padding:1px 7px;border:1px solid var(--line-2);white-space:nowrap}
.k-prueba{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.k-control{border-color:var(--ink);color:var(--ink)}
.k-entrega{border-style:dashed;color:var(--ink-2)}
.k-proyecto{color:var(--ink-2)}
.k-examen{color:var(--margin);border-color:var(--margin)}
.calbar-top{display:flex;gap:10px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.viewsw,.filters{display:flex;gap:6px;flex-wrap:wrap}
.monthnav{display:flex;align-items:center;gap:10px;margin-top:16px;flex-wrap:wrap}
.mgrid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px}
.mday{min-height:104px;border:1px solid var(--line);background:var(--card);border-radius:10px;padding:5px;text-align:left;cursor:pointer;display:flex;flex-direction:column;gap:3px;position:relative;min-width:0;font:inherit;color:inherit}
.mday.out{opacity:.45}.mday.past .mnum{color:var(--ink-3)}
.mday.today{outline:3px solid var(--hl);outline-offset:1px}
.mday.sel{border-color:var(--ink);border-width:2px}
.mnum{font-family:"Archivo";font-stretch:118%;font-weight:800;font-size:.95rem}
.mevs{display:flex;flex-direction:column;gap:2px;min-width:0}
.mev{display:block;font-size:.66rem;font-weight:800;line-height:1.25;border-radius:5px;padding:2px 5px;background:color-mix(in srgb,var(--sc) 16%,var(--card));color:var(--sc);border-left:3px solid var(--sc);overflow:hidden;min-width:0}
.mev.k-prueba{background:var(--sc);color:#fff}
.mev.k-entrega{border-left-style:dashed}
.mev.unver{outline:1.5px dashed #c9a400;outline-offset:-1.5px}
.mev-t{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mday .focusbar{display:flex;height:5px;border-radius:99px;overflow:hidden;margin-top:auto;opacity:.6}
.mday .focusbar span{display:block;height:100%}
.mday .tick{position:absolute;top:4px;right:6px;color:var(--ok);font-weight:800}
@media (max-width:640px){.mday{min-height:62px;padding:3px}.mev{font-size:0;height:6px;padding:0;border-left-width:0}.mgrid{gap:3px}}
.evlist{display:grid;gap:8px;margin-bottom:12px}
.evrow{display:grid;grid-template-columns:56px minmax(0,1fr);gap:12px;padding:10px;border-radius:12px;border:1px solid var(--line);background:var(--card);border-left:5px solid var(--sc)}
.evrow.past{opacity:.5}
.evdate{text-align:center;line-height:1}
.evdate b{display:block;font-family:"Archivo";font-stretch:118%;font-size:1.5rem;font-weight:800;color:var(--sc)}
.evdate small{font-size:.66rem;font-weight:700;color:var(--ink-3);text-transform:uppercase}
.evtop{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.evname{font-weight:800;margin-top:3px;line-height:1.25}
.agenda{display:grid;gap:16px;margin-top:14px}
.agweek{display:grid;gap:8px}
.agwh{font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-3);border-bottom:1px dashed var(--line-2);padding-bottom:4px}
.urgent{border:2px solid var(--margin);background:color-mix(in srgb,var(--margin) 6%,var(--card));border-radius:var(--radius);padding:14px 16px;margin:14px 0 4px}
.urgent h3{margin:0 0 8px;font-family:"Archivo";font-stretch:115%;font-size:1.05rem;color:var(--margin)}
.urgent .evlist{margin:0}

/* ---------- APP WEB: formularios, inicio, editor ---------- */
.subj-chip{border-color:color-mix(in srgb,var(--sc) 55%,transparent);color:var(--sc);background:color-mix(in srgb,var(--sc) 9%,var(--card))}
.form{display:grid;gap:12px}
.field{display:grid;gap:4px}
.field>span{font-weight:700;font-size:.88rem}
.field small{color:var(--ink-3);font-size:.76rem}
.field input[type=text],.field input[type=url],.field input[type=date],.field input[type=number],.field select,.field textarea{border:1.5px solid var(--line-2);background:var(--card-2);border-radius:10px;padding:9px 12px;min-height:42px;width:100%;color:var(--ink)}
.field textarea{min-height:90px;resize:vertical;font-family:inherit}
.field .checks{display:flex;flex-wrap:wrap;gap:6px;max-height:180px;overflow:auto;padding:2px}
.field .checks label{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line-2);border-radius:99px;padding:4px 10px;font-size:.84rem;cursor:pointer}
.field .checks input{accent-color:var(--ink)}
.chk{display:flex;align-items:center;gap:10px;font-weight:700;cursor:pointer}
.chk input{width:20px;height:20px;accent-color:var(--ok)}
.swatches{display:flex;gap:8px;flex-wrap:wrap}
.sw{width:34px;height:34px;border-radius:50%;border:3px solid transparent;background:var(--sc);cursor:pointer}
.sw[aria-pressed="true"]{border-color:var(--ink);box-shadow:0 0 0 2px var(--paper) inset}
.form-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:space-between;margin-top:6px}
.btn.danger{background:transparent;color:var(--bad);border-color:var(--bad)}
.edit-sec{margin-top:22px}
.edit-list{display:grid;gap:8px;margin-top:10px}
.edit-row{display:flex;gap:10px;align-items:center;justify-content:space-between;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--card);border-left:5px solid var(--sc,var(--line-2))}
.edit-row .info{min-width:0}
.edit-row .info b{display:block;line-height:1.25}
.edit-row .info small{color:var(--ink-3)}
.welcome{max-width:760px;margin:40px auto 0}
.welcome h1{font-family:"Archivo";font-stretch:122%;font-weight:800;font-size:clamp(2rem,6vw,3.2rem);line-height:1.02;letter-spacing:-.03em;margin:0 0 10px}
.choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin-top:22px}
.choice{text-align:left;cursor:pointer;border:2px solid var(--line-2);background:var(--card);border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:6px;font:inherit;color:inherit;box-shadow:var(--shadow)}
.choice:hover{border-color:var(--ink)}
.choice b{font-family:"Archivo";font-stretch:115%;font-size:1.1rem}
.choice span{color:var(--ink-2);font-size:.9rem}
.choice .ico{font-size:1.6rem}
.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-top:26px}
.feat div{padding:12px;border-radius:12px;background:var(--card);border:1px solid var(--line);font-size:.9rem}
.feat b{display:block}
.installbar{display:none}
.installbar.on{display:flex}
.drawer.wide{width:min(560px,100%)}
.empty-cta{display:flex;flex-direction:column;align-items:center;gap:10px}
[hidden]{display:none!important}

/* ---------- Clase en la app ---------- */
.lesson-wrap{margin-bottom:10px}
.lesson-content{font-size:.95rem;line-height:1.65}
.lc-h{font-family:"Archivo";font-stretch:115%;margin:16px 0 6px;line-height:1.2}
h3.lc-h{font-size:1.15rem}
h4.lc-h{font-size:1.05rem}
h5.lc-h{font-size:.95rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-2)}
.lc-p{margin:0 0 10px}
.lc-ul,.lc-ol{margin:0 0 10px;padding-left:20px}
.lc-ul li,.lc-ol li{margin-bottom:4px}
.lc-bq{margin:8px 0 12px;padding:8px 14px;border-left:4px solid var(--line-2);background:var(--card-2);border-radius:0 8px 8px 0;color:var(--ink-2);font-style:italic}
.lc-math{margin:12px 0;text-align:center;overflow-x:auto;padding:8px}
.lesson-content .katex{font-size:1.1em}

/* ---------- Carga diaria ---------- */
.dayload-ed{margin:10px 0 6px;padding:10px 0;border-top:1px dashed var(--line-2)}
.dl-top{display:flex;align-items:center;gap:10px}
.dl-lbl{font-weight:700;font-size:.88rem}
.dl-hrs{width:64px;border:1.5px solid var(--line-2);background:var(--card-2);border-radius:10px;padding:6px 8px;text-align:center;color:var(--ink);font:inherit}
.dl-blocks{margin-top:10px;display:grid;gap:6px}
.dl-block{display:flex;align-items:center;gap:8px;padding:6px 10px;border:1px solid var(--line);border-left:4px solid var(--sc,var(--line-2));border-radius:10px;background:var(--card-2)}
.dl-subj{font-weight:700;font-size:.88rem;min-width:60px}
.dl-bhrs{width:56px;border:1.5px solid var(--line-2);background:var(--card);border-radius:8px;padding:5px 6px;text-align:center;color:var(--ink);font:inherit}
.dl-rm{font-size:1.1rem;color:var(--ink-3);padding:2px 6px}
.dl-rm:hover{color:var(--bad)}
.dl-bar{display:flex;height:8px;border-radius:4px;overflow:hidden;margin-top:4px}
.dl-seg{transition:width .2s}
.dl-free{background:var(--line-2)}
.dl-summary{margin-top:4px}
.dl-add{margin-top:6px}
.dl-sel{border:1.5px solid var(--line-2);background:var(--card-2);border-radius:8px;padding:5px 8px;color:var(--ink);font:inherit;cursor:pointer}
.dl-badge{position:absolute;top:1px;right:2px;font-size:.55rem;font-weight:800;color:var(--ink-3);line-height:1}
.mday{position:relative}

/* ---------- WebC ---------- */
.newslist{display:grid;gap:8px}
.news{background:var(--card);border:1px solid var(--line);border-left:5px solid var(--sc);border-radius:12px;padding:0 14px}
.news summary{cursor:pointer;padding:10px 0;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.news summary b{flex:1;min-width:160px}
.newsbody{white-space:pre-wrap;font-size:.9rem;color:var(--ink-2);max-height:420px;overflow:auto;border-top:1px dashed var(--line-2);padding:10px 0}
.news a{display:inline-block;margin:0 0 10px}
.wh{margin:16px 0 6px;font-size:.78rem;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-3)}
.wlist{display:grid;gap:6px}
.wrow{display:flex;gap:10px;align-items:flex-start;padding:8px 10px;border:1px solid var(--line);border-radius:10px;background:var(--card-2);cursor:pointer}
.wrow input[type=checkbox]{width:18px;height:18px;margin-top:3px;flex:none;accent-color:var(--ok)}
.wrow small{color:var(--ink-2)}
.wrow.sugg{cursor:default}
.srow{display:flex;gap:6px;flex-wrap:wrap}
.srow select,.srow input{border:1.5px solid var(--line-2);background:var(--card);border-radius:8px;padding:5px 8px;min-height:36px;color:var(--ink)}
.srow input[type=text]{flex:1;min-width:160px}

/* ---------- Panel IA ---------- */
.ai-panel{margin:0 0 14px;padding:14px;background:var(--card-2);border:1.5px solid var(--accent);border-radius:14px}
.ai-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px}
.ai-head h4{margin:0;font-size:1rem}
.ai-head .iconbtn{min-height:32px;padding:0 8px}
.ai-need{width:100%;border:1.5px solid var(--line-2);background:var(--card);border-radius:10px;padding:8px 10px;color:var(--ink);font:inherit;font-size:.9rem;resize:vertical}
.ai-modes{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 4px}
.ai-modes .btn{border-color:var(--accent);color:var(--accent)}
.ai-modes .btn:hover:not([disabled]){background:var(--accent);color:var(--accent-ink)}
.btn.ai-btn{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.ai-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.ai-config{margin-top:10px}
.ai-config summary{cursor:pointer;font-size:.85rem;font-weight:700;color:var(--ink-2);padding:6px 0}
.ai-config-body{padding:4px 0 0}
.ai-key-in{border:1.5px solid var(--line-2);background:var(--card);border-radius:8px;padding:7px 10px;font:inherit;font-size:.9rem;color:var(--ink);min-width:0;flex:1 1 160px;max-width:280px}
.ai-prov-sel{border:1.5px solid var(--line-2);background:var(--card);border-radius:8px;padding:7px 10px;font:inherit;font-size:.9rem;color:var(--ink);cursor:pointer}
.ai-status{margin-top:8px}
.ai-result{margin-top:10px}
.ai-result .lesson-content{border:1.5px dashed var(--accent);border-radius:10px;padding:12px;background:var(--card)}
.linkbtn{border:0;background:none;padding:0;color:var(--accent);font-weight:700;cursor:pointer;text-decoration:underline}

/* ---------- Clases ---------- */
.lesson-card{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:12px;border:1.5px solid var(--line-2);border-left:5px solid var(--sc,var(--ink));border-radius:12px;background:var(--card-2);margin-bottom:12px}
.lesson-card .lc-info{display:grid}
.cl-quick{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px;margin-top:12px}
.cl-cont{display:grid;gap:2px;text-align:left;cursor:pointer;border-left:6px solid var(--sc);padding:14px 16px}
.cl-cont:hover{border-color:var(--sc)}
.cl-cont .kicker{font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
.cl-cont b{font-family:"Archivo";font-stretch:110%;font-size:1.1rem;line-height:1.2}
.cl-search{width:100%;max-width:520px;margin-top:12px;border:1.5px solid var(--line-2);background:var(--card);border-radius:12px;padding:10px 14px;min-height:44px}
.cl-sec{margin-top:22px}
.cl-sh{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.cl-sh h3{margin:0;font-size:1.15rem}
.cl-sh .btn{margin-left:auto}
.cl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.cl-card{display:flex;flex-direction:column;gap:6px;text-align:left;cursor:pointer;background:var(--card);border:1px solid var(--line);border-top:4px solid var(--sc);border-radius:12px;padding:12px;min-height:110px;box-shadow:var(--shadow)}
.cl-card:hover{border-color:var(--sc);transform:translateY(-1px)}
.cl-top{display:flex;gap:6px;align-items:center;justify-content:space-between}
.cl-kind{font-size:.72rem;font-weight:800;border-radius:99px;padding:2px 8px;margin-left:auto}
.cl-kind.ok{background:color-mix(in srgb,var(--ok) 16%,transparent);color:var(--ok)}
.cl-kind.mat{background:color-mix(in srgb,var(--sc) 14%,transparent);color:var(--ink-2)}
.cl-kind.none{background:var(--card-2);color:var(--ink-3);border:1px dashed var(--line-2)}
.cl-title{font-size:1rem;line-height:1.25}
.cl-foot{color:var(--ink-2);margin-top:auto;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.lesson-page{max-width:820px;margin:18px auto 0}
.lp-top{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.lp-title{font-family:"Archivo";font-stretch:115%;font-size:clamp(1.6rem,4vw,2.3rem);line-height:1.1;margin:14px 0 8px}
.lp-actions{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 14px}
.lp-body{padding:22px 24px;border-top:5px solid var(--sc)}
.lp-body .lesson-content{font-size:1.02rem;line-height:1.75}
.lp-empty{padding:4px 0}
.lp-mat{margin-top:14px}
.lp-mat summary{cursor:pointer;font-weight:700}
.lp-check{margin-top:14px}
.lp-nav{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:18px 0 10px}
.lp-nav .btn{max-width:100%;white-space:normal;text-align:left}
.viewer{margin-top:10px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--card-2)}
.viewer iframe{display:block;width:100%;height:min(72vh,760px);border:0;background:#fff}
.viewer-foot{padding:6px 10px;border-top:1px solid var(--line)}
.viewer-out{margin-top:8px;padding:12px;border:1px dashed var(--line-2);border-radius:12px;background:var(--card-2)}
.focus-lesson{max-width:880px;margin:0 auto;padding:0 16px 40px}
.focus-lesson-in{border-top:5px solid var(--sc)}
@media (max-width:640px){ .lp-body{padding:16px 14px} .viewer iframe{height:62vh} }


button.res{text-align:left;cursor:pointer;width:100%}

/* ---------- Revisión automática y bandeja ---------- */
.sync-strip{display:flex;flex-wrap:wrap;gap:6px 14px;margin:6px 0 0;font-size:.82rem;color:var(--ink-2)}
.sync-strip:empty{display:none}
.ss-item{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap}
.ss-item a{color:var(--accent);font-weight:700}
.ss-item .linkbtn{font-size:inherit}
.ss-dot{width:8px;height:8px;border-radius:50%;background:var(--ink-3);flex:none}
.ss-item.ss-ok .ss-dot{background:var(--ok)}
.ss-item.ss-warn .ss-dot{background:var(--margin)}
.ss-item.ss-busy .ss-dot{background:var(--hl);animation:ssPulse 1s ease-in-out infinite}
@keyframes ssPulse{50%{opacity:.3}}
@media (prefers-reduced-motion:reduce){.ss-item.ss-busy .ss-dot{animation:none}}
.inbox{margin-top:16px;border:2px solid var(--hl);background:var(--card)}
.ib-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.ib-head h3{margin:0;font-family:"Archivo";font-stretch:110%;font-size:1.1rem}
.ib-head .btn{margin-left:auto}
.ib-row{border-left:4px solid var(--sc,var(--line-2))}
.ib-act{display:flex;flex-direction:column;gap:6px}
.ib-src{font-size:.72rem}
.new-chip{background:var(--hl);color:#2b2300;border-color:transparent;font-size:.7rem}
.cl-strip{margin-top:14px;width:100%;max-width:560px}
@media (max-width:640px){.ib-act{flex-direction:row}.ib-row{flex-direction:column}}

/* ---------- Clases guardadas (paquete) y Novedades ---------- */
.lp-saved{padding:0;overflow:hidden}
.saved-lesson{display:flex;flex-direction:column;background:var(--card);min-height:0}
.saved-bar{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;padding:8px 12px;border-bottom:1px solid var(--line);background:var(--card-2)}
.saved-act{display:flex;gap:6px;align-items:center}
.saved-frame{display:block;width:100%;height:78vh;min-height:520px;border:0;background:#fff}
.saved-lesson:fullscreen{height:100vh}
.saved-lesson:fullscreen .saved-frame{height:100%;flex:1}
.drawer-body .saved-frame{height:calc(100vh - 150px);min-height:420px}
.focus-lesson .saved-frame{height:70vh}
.novedades .wlist{grid-template-columns:minmax(0,1fr)}
.novedades .nv-row{align-items:center;text-align:left;min-width:0;box-sizing:border-box;font:inherit;color:inherit}
.novedades .nv-row .chip{flex:none}
.novedades .nv-t{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media (max-width:640px){.saved-frame{height:72vh;min-height:420px}.novedades .nv-row small{display:none}}

/* «Para revisar»: posible cambio de fecha de una evaluación que ya está en el calendario */
.ib-change{font-weight:700;color:var(--bad);margin:0 0 6px;font-size:.92rem;overflow-wrap:anywhere}

/* Práctica: pestañas internas «Ejercicios» y «Banco de errores» */
.prac-sec{margin:4px 0 12px}
.prac-sec .seg{display:inline-flex;align-items:center;gap:6px}
.prac-sec .count{font-size:.7rem;background:var(--margin);color:#fff;border-radius:99px;padding:0 6px;font-weight:700}

/* Plan de estudio automático */
.plancard{margin:0 0 14px}
.plancard h3{margin:0;font-size:1.1rem}
.plancard.on{border-left:4px solid var(--accent)}
.plancard.today{border-left:4px solid var(--accent)}
.pc-head{display:flex;gap:10px;align-items:flex-start;justify-content:space-between;flex-wrap:wrap}
.pc-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.pc-field{display:flex;flex-direction:column;gap:6px;min-width:0}
.pc-field .chk{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.pc-field input[type=number]{min-height:36px;border:1px solid var(--line);border-radius:8px;background:var(--card-2,var(--card));color:inherit;padding:4px 8px;font:inherit}
.note.warn{border-color:var(--bad);color:var(--ink)}
.plist{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.prow{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--line);border-left:4px solid var(--sc);border-radius:10px;background:var(--card);min-width:0}
.prow b{display:block;overflow-wrap:anywhere}
.prow .pdot{width:8px;height:8px;border-radius:50%;background:var(--sc);flex:none}
.prow.done{opacity:.6}
.prow.rev{border-style:dashed;border-left-style:solid}
.dd-plan{margin:4px 0 12px}
.dl-wrap{margin:6px 0 10px}
.dl-wrap summary{cursor:pointer;color:var(--ink-3);font-weight:700}
.mplan{display:flex;flex-direction:column;gap:2px;min-width:0;margin-top:auto}
.mp{display:block;font-size:.64rem;font-weight:700;line-height:1.25;border-radius:5px;padding:1px 5px;color:var(--sc);border:1px dashed var(--sc);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.mp.done{opacity:.55;text-decoration:line-through}
.mp.rev{border-style:dotted}
.mp.more{border:0;color:var(--ink-3)}
.agplan{margin:4px 0 10px;padding-left:4px}
.agp-d{font-weight:800;color:var(--ink-3);text-transform:uppercase;letter-spacing:.05em}
@media (max-width:640px){.mp{font-size:0;height:5px;padding:0;border-width:2px 0 0}.mp.more{display:none}.prow{flex-wrap:wrap}.prow .btn{margin-left:18px}}
.pc-warn{margin:10px 0 0;padding:10px 12px;border:1px solid var(--bad);border-radius:10px;background:color-mix(in srgb,var(--bad) 8%,var(--card));font-size:.88rem;display:flex;flex-direction:column;gap:3px}
.pc-field .chk{flex-wrap:nowrap}
.pc-field .chk > span{min-width:0}
.pc-field .viewsw{gap:4px}
.pc-field .viewsw .seg{min-width:38px;padding-left:8px;padding-right:8px}

/* Generador de clases */
.gen-step{border:1px solid var(--line);border-radius:12px;padding:12px;margin:12px 0;background:var(--card)}
.gen-step h4{margin:0 0 8px}
.gen-step.done{border-color:var(--ok)}
.gen-list{display:flex;flex-direction:column;gap:6px;max-height:260px;overflow:auto;padding:2px}
.gen-list .chk{display:flex;gap:8px;align-items:flex-start;justify-content:space-between}
.gen-list .chk > span{flex:1;min-width:0;overflow-wrap:anywhere}
.gen-plan input[type=text]{width:100%;max-width:520px;border:1px solid var(--line);border-radius:8px;padding:4px 8px;background:var(--card-2,var(--card));color:inherit;font:inherit;font-weight:700}
.gen-read{color:var(--ok);margin:8px 0 0;padding-left:18px}
.gen-err{color:var(--bad);margin:8px 0 0;padding-left:18px}
.gen-status{min-height:1.2em;font-weight:700;color:var(--accent)}
.gen-ai{margin-top:12px}
.gen-ai summary{cursor:pointer;font-weight:700;color:var(--ink-3)}
.lc-toc{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 14px;padding:0 0 10px;border-bottom:1px dashed var(--line)}
.lc-toc .chip{cursor:pointer;min-height:32px}
.sec-title{flex-wrap:wrap}

/* Conectar con WebC (clave de la app de WebC) */
.connect-steps{margin:6px 0 12px;padding-left:20px;display:flex;flex-direction:column;gap:12px}
.connect-steps li > .btn{margin:2px 0 4px}
.connect-steps input{margin-top:6px}

/* Estudiar para una evaluación */
.eval-row{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin:4px 0 12px}
.eval-chip{cursor:pointer;min-height:34px;border-color:var(--sc)}
.exam-link{cursor:pointer}
.exam-link:hover,.exam-link:focus-visible{outline:2px solid var(--sc);outline-offset:2px}
.eval-gaps{margin-top:10px;padding:10px;border:1px dashed var(--line);border-radius:10px;display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.eval-gaps ul{margin:4px 0 0;padding-left:18px}
.eval-page .gen-list .chk .dot{display:inline-block;width:8px;height:8px;border-radius:50%}
.eval-auto{margin-top:10px;padding:10px 12px;border:1px solid var(--ok);border-radius:10px;display:flex;flex-direction:column;gap:6px;align-items:flex-start}
.eval-auto ul{margin:0;padding-left:18px}
details.gen-step > summary{cursor:pointer}
/* Archivos traídos con el marcador */
.gen-ready{color:#1f8a4c;font-weight:700}
.gen-blocked{margin-top:8px;display:grid;gap:6px;justify-items:start}