:root{--bg:#03213f;--surface:#0a4d8b;--surface-dark:#07396a;--panel:#03305ee6;--border:#5c7292;--gold:#f2b84b;--gold-soft:#ffe2a0;--text:#f4f7fb;--text-muted:#b9c8dc;--true:#3fbf7f;--true-bg:#3fbf7f24;--false:#ee6b6b;--false-bg:#ee6b6b24;--topbar-h:64px;--footer-h:40px}*,:before,:after{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--bg);height:100dvh;color:var(--text);-webkit-tap-highlight-color:transparent;flex-direction:column;font-family:Roboto,system-ui,sans-serif;display:flex;overflow:hidden}.backdrop{z-index:0;background:radial-gradient(1100px 500px at 50% -10%,#1262ad73,#0000 70%),linear-gradient(#03305e 0%,#03213f 60%,#021529 100%);position:fixed;inset:0}.backdrop:after{content:"";opacity:.07;background-image:radial-gradient(circle at 20px 20px,#0000 14px,#fff 15px 16px,#0000 17px);background-size:40px 24px;position:absolute;inset:0}.material-symbols-sharp{white-space:nowrap;user-select:none;width:1em;height:1em;font-size:26px;line-height:1;overflow:hidden}.topbar{z-index:2;height:var(--topbar-h);border-bottom:1px solid var(--border);background:linear-gradient(#03305ef2,#03305ecc);flex:none;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 16px;display:grid;position:relative;box-shadow:0 6px 20px #00000059}.title{letter-spacing:.04em;color:var(--gold);text-shadow:0 2px #00000073;margin:0;font-family:Pirata One,Roboto,serif;font-size:clamp(1.7rem,4vw,2.3rem);font-weight:400}.rot-bt{width:44px;height:44px;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:999px;justify-content:center;justify-self:start;align-items:center;text-decoration:none;transition:background .15s,transform .15s,border-color 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Roboto,sans-serif}.quiz-input::placeholder{color:#8ea5c4}.quiz-input::-webkit-search-cancel-button{display:none}.erase-bt{width:38px;height:38px;color:var(--text);cursor:pointer;background:#ee6b6b33;border:1px solid #ee6b6b8c;border-radius:50%;flex:none;justify-content:center;align-items:center;padding:0;transition:background .15s,transform .15s;display:inline-flex}.erase-bt:hover{background:#ee6b6b73;transform:scale(1.06)}.erase-bt .material-symbols-sharp{font-size:22px}.toolbar{flex-wrap:wrap;flex:none;justify-content:space-between;align-items:center;gap:12px;display:flex}.chips{gap:8px;display:flex}.chip{border:1px solid var(--border);background:var(--surface-dark);color:var(--text-muted);cursor:pointer;border-radius:999px;padding:7px 16px;font:500 .9rem Roboto,sans-serif;transition:background .15s,color .15s,border-color .15s}.chip:hover{color:var(--text);border-color:var(--gold)}.chip.is-active{background:var(--gold);border-color:var(--gold);color:#2a1d00;font-weight:700}.counter{color:var(--text-muted);font-size:.9rem}.quiz-container{border:1px solid var(--border);scrollbar-color:var(--surface) transparent;background:#0215298c;border-radius:16px;flex-direction:column;flex:1;gap:8px;min-height:0;padding:10px;display:flex;overflow-y:auto}.quiz-container::-webkit-scrollbar{width:10px}.quiz-container::-webkit-scrollbar-thumb{background:var(--surface);background-clip:padding-box;border:2px solid #0000;border-radius:999px}.quiz-container>.true,.quiz-container>.false{user-select:text;border:1px solid #0000;border-left-width:5px;border-radius:10px;align-items:flex-start;gap:12px;padding:12px 14px 12px 16px;font-size:1.02rem;line-height:1.45;display:flex;position:relative}.quiz-container>.true{background:var(--true-bg);border-color:#3fbf7f59;border-left-color:var(--true)}.quiz-container>.false{background:var(--false-bg);border-color:#ee6b6b59;border-left-color:var(--false)}.quiz-container>.true:before,.quiz-container>.false:before{letter-spacing:.08em;text-align:center;border-radius:6px;flex:none;min-width:92px;padding:3px 0;font:700 .72rem Roboto,sans-serif}.quiz-container>.true:before{content:"VERDADERO";background:var(--true);color:#04301b}.quiz-container>.false:before{content:"FALSO";background:var(--false);color:#3a0808}.quiz-container[data-filter=true]>.false,.quiz-container[data-filter=false]>.true{display:none}.empty{background:var(--panel);border:1px dashed var(--border);max-width:80%;color:var(--text-muted);text-align:center;border-radius:12px;margin:0;padding:14px 20px;position:absolute;top:55%;left:50%;transform:translate(-50%,-50%)}.empty[hidden]{display:none}.credit{z-index:1;height:var(--footer-h);color:var(--text-muted);flex:none;justify-content:center;align-items:center;gap:6px;font-size:.85rem;display:flex;position:relative}.credit a{color:var(--gold-soft);font-weight:700;text-decoration:none}.credit a:hover{text-decoration:underline}kbd{color:#14181d;text-align:center;background:#fff;border-bottom:2px solid #aab6c6;border-radius:5px;min-width:1.6em;padding:1px 6px;font:700 .78rem Roboto,sans-serif;display:inline-block}.rot-bt:focus-visible,.erase-bt:focus-visible,.chip:focus-visible{outline:3px solid var(--gold);outline-offset:2px}@media (width<=640px){:root{--topbar-h:56px}.topbar{padding:0 10px}#langPercentage{white-space:normal;text-align:center;max-width:110px;padding:4px 8px;font-size:.68rem;line-height:1.2}.quiz{padding:12px 10px 8px}.quiz-container>.true,.quiz-container>.false{flex-direction:column;gap:6px;font-size:.98rem}.quiz-container>.true:before,.quiz-container>.false:before{align-self:flex-start;min-width:0;padding:3px 10px}.credit-sep,.credit-tip{display:none}}@media (width>=2200px){.quiz{width:min(1500px,100%)}.quiz-container>.true,.quiz-container>.false{font-size:1.2rem}}