:root{--ink: #102426;--ink-soft: #3a5456;--paper: #f3f0e8;--teal: #0f3d3e;--teal-bright: #1a6b6d;--ok: #1f7a4c;--ok-bg: #d8f0e3;--bad: #b42318;--bad-bg: #fde8e6;--warn: #9a6700;--warn-bg: #fff3d6;--fallos-1: #e8a300;--fallos-2: #d9730d;--fallos-3: #a85f08;--line: rgba(16, 36, 38, .12);--nav-h: 56px;--safe-t: env(safe-area-inset-top, 0px);--safe-b: env(safe-area-inset-bottom, 0px);--safe-l: env(safe-area-inset-left, 0px);--safe-r: env(safe-area-inset-right, 0px);--font: "DM Sans", system-ui, sans-serif;--display: "Fraunces", Georgia, serif;--tap: 52px;--shell: 480px;--fs-xs: .75rem;--fs-sm: .875rem;--fs-md: 1rem;--fs-lg: 1.0625rem;--fs-xl: 1.25rem;--fs-display: 1.35rem;--fs-stat: 1.75rem;--fit: 1;--fit-max: 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max(16px,var(--safe-r));display:flex;flex-direction:column;gap:10px;box-shadow:0 -12px 40px #1024262e;animation:slide-up .2s ease both}.sheet-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.sheet-title{font-family:var(--display);font-size:var(--fs-xl);margin:0}.sheet-subtitle{margin:4px 0 0;font-size:var(--fs-sm);font-weight:650;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.04em}.aviso-btn.marked{border-color:var(--warn);background:var(--warn-bg);color:var(--warn)}.aviso-btn.revisada{border-color:var(--ok);color:var(--ok)}.aviso-aparcada{display:flex;flex-direction:column;gap:8px;padding:12px;border:1px solid var(--warn);border-radius:14px;background:var(--warn-bg)}.aviso-aparcada p{margin:0;font-size:var(--fs-sm)}.aviso-aparcar{align-self:flex-start}.tree-flag.aparcada{color:var(--ink-soft)}.chip-done{flex-shrink:0;background:var(--ok-bg);color:var(--ok);font-weight:650}.aviso-list 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var(--safe-b))}.nav button{font-size:0;min-height:34px}.nav button .nav-icon{font-size:1.15rem}}@media(min-width:481px){:root{--display: "DM Sans", system-ui, sans-serif;--shell: 720px;font-size:16px;line-height:1.55;--fs-xs: .8125rem;--fs-sm: .9375rem;--fs-md: 1.0625rem;--fs-lg: 1.125rem;--fs-xl: 1.375rem;--fs-display: 1.5rem;--fs-stat: 1.875rem;--tap: 48px}body{display:flex;justify-content:center;background:radial-gradient(900px 420px at 20% -10%,rgba(26,107,109,.1),transparent 55%),radial-gradient(700px 360px at 90% 0%,rgba(196,92,38,.06),transparent 50%),#ebe7dc}.app,.lock-screen{border-inline:1px solid var(--line);background:#f3f0e8f5;box-shadow:0 18px 50px 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300px}.app{grid-template-columns:var(--tree) minmax(0,1fr);grid-template-areas:"tree topbar" "tree main" "tree nav";column-gap:22px}.topbar{grid-area:topbar}.main{grid-area:main}.nav{grid-area:nav}.tree{grid-area:tree;display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line);margin-left:calc(-1*max(20px,var(--safe-l)));padding:10px 14px 12px max(20px,var(--safe-l))}.app:has(.tree.colapsado){grid-template-columns:38px minmax(0,1fr);column-gap:10px}.tree-head{display:flex;align-items:baseline;gap:8px;padding:0 4px 8px;flex-shrink:0;width:100%;min-height:0;border:0;border-radius:10px;background:none;text-align:left}.tree-head:hover{background:#1a6b6d14}.tree-head .tree-count{margin-left:auto}.tree.colapsado{margin-left:0;padding:10px 4px 12px}.tree.colapsado .tree-head{flex-direction:column;align-items:center;gap:10px;padding:4px 0}.tree.colapsado .tree-title{writing-mode:vertical-rl}.tree.colapsado .tree-count,.tree.colapsado .tree-head .tree-count{display:none}.tree-title{font-family:var(--display);font-size:var(--fs-sm);font-weight:700;color:var(--teal);letter-spacing:-.01em}.tree-count{font-size:var(--fs-xs);color:var(--ink-soft);font-variant-numeric:tabular-nums}.tree-scroll{min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-gutter:stable;padding-right:2px}.tree-row{width:100%;display:flex;align-items:center;gap:6px;background:none;border:0;border-radius:7px;padding:5px 6px;font:inherit;font-size:var(--fs-xs);color:var(--ink);text-align:left;cursor:pointer;min-height:0}.tree-row:hover{background:#1a6b6d12}.tree-row:focus-visible{outline:2px solid var(--teal);outline-offset:-2px}.tree-caret{width:11px;flex-shrink:0;color:var(--ink-soft);font-size:.7rem;line-height:1}.tree-label{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree-row-module .tree-label{font-weight:650}.tree-row-chapter{padding-left:16px}.tree-badge{flex-shrink:0;font-size:.7rem;color:var(--ink-soft);font-variant-numeric:tabular-nums}.tree-questions{list-style:none;margin:0;padding:0}.tree-row-q{padding-left:28px;color:var(--ink-soft)}.tree-row-q.current{background:#1a6b6d21;color:var(--ink);font-weight:600}.tree-num{flex-shrink:0;font-variant-numeric:tabular-nums;color:var(--ink-soft)}.tree-q-text{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree-flag{flex-shrink:0;color:var(--warn)}.tree-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0;box-shadow:inset 0 0 0 1px #10242640}.tree-dot.nueva{background:transparent}.tree-dot.bien{background:var(--ok);box-shadow:none}.tree-dot.mal{background:var(--bad);box-shadow:none}.tree-dot.fallos1{background:var(--fallos-1);box-shadow:none}.tree-dot.fallos2{background:var(--fallos-2);box-shadow:none}.tree-dot.fallos3{background:var(--fallos-3);box-shadow:0 0 0 1.5px #a85f0859}.tree-legend{list-style:none;margin:0 0 8px;padding:0 4px 8px;display:flex;flex-wrap:wrap;gap:3px 10px;border-bottom:1px solid var(--line);font-size:.7rem;color:var(--ink-soft);flex-shrink:0}.tree-legend li{display:flex;align-items:center;gap:4px}}.tarjeta-shell{flex:1;min-height:0;display:flex;flex-direction:column;gap:12px}.tarjeta{flex:1;min-height:0;display:flex;text-align:left;padding:0;border:1px solid var(--line);border-radius:20px;background:#ffffffa6;box-shadow:0 10px 24px #10242612;transition:background .12s ease,border-color .12s ease}.tarjeta.volteada{background:#fff;border-color:#1a6b6d59}.tarjeta-cara{flex:1;min-width:0;overflow-y:auto;overscroll-behavior:contain;display:flex;flex-direction:column;gap:10px;padding:18px;scrollbar-width:thin;justify-content:safe center}.tarjeta-select{min-width:0;flex:1;padding:7px 28px 7px 10px;border:1px solid var(--line);border-radius:999px;background-color:#fff9;background-image:url("data:image/svg+xml;utf8,<svg 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var(--line)}.tarjeta-dato{margin:0;color:var(--teal);font-size:var(--fs-xl);font-weight:650}.tarjeta-items{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:6px;font-size:var(--fs-lg)}.tarjeta-acciones{flex-shrink:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(0,1fr));gap:8px}.tarjeta-acciones kbd{margin-left:6px;padding:1px 5px;border-radius:5px;background:#ffffff40;font-family:inherit;font-size:var(--fs-xs);opacity:.85}.tarjeta-anterior{flex-shrink:0;padding:6px 12px;border-radius:999px;align-self:flex-start;background:#1024260d;color:var(--ink-soft);font-size:var(--fs-sm)}.tarjeta-tipos{flex-shrink:0;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:4px;padding:3px;border:1px solid var(--line);border-radius:14px;background:#ffffff80}.tarjeta-tipo-btn{min-width:0;padding:8px 4px;border:0;border-radius:11px;background:transparent;color:var(--ink-soft);font-size:var(--fs-sm);font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tarjeta-tipo-btn.activo{background:#0f3d3e1a;color:var(--teal)}.tarjeta-tipo-n{font-weight:500;opacity:.65}