*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    -webkit-tap-highlight-color:transparent;
    -webkit-user-select:none;
    -ms-user-select:none;
    user-select:none;
    -webkit-touch-callout:none;
}

/* Eccezione: nei campi di testo la selezione serve davvero. */
input, textarea, [contenteditable]{
    -webkit-user-select:text;
    -ms-user-select:text;
    user-select:text;
    -webkit-touch-callout:default;
}

:focus:not(:focus-visible){
    outline:none;
}

:root{
    --blu:#3b6fe0;
    --blu-scuro:#2650b8;
    --blu-chiaro:#eaf0ff;
    --verde:#1ea672;
    --rosso:#e0524f;
    --testo:#1c2b45;
    --testo-tenue:#66738c;
    --sfondo:#f2f5fb;
    --carta:#ffffff;
    --bordo:#e2e8f5;
    --ombra:0 8px 24px rgba(30,50,90,.08);

    --viola:#8b6cf0;
    --menta:#17b995;
    --ambra:#f5a623;
    --ombra-forte:0 20px 40px rgba(30,50,90,.16);

    --grad1:linear-gradient(135deg,#3b6fe0,#8b6cf0);
    --grad2:linear-gradient(135deg,#17b995,#22d3c5);
    --grad3:linear-gradient(135deg,#f5a623,#ff8a5c);
    --grad4:linear-gradient(135deg,#ec4899,#e0524f);
    --grad5:linear-gradient(135deg,#06b6d4,#3b6fe0);
    --grad6:linear-gradient(135deg,#8b6cf0,#ec4899);

    --carta-grad:linear-gradient(180deg,#ffffff,#fbfcff);
    --nav-bg:rgba(255,255,255,.86);
}

/*---------------- TEMA SCURO ---------------- */

:root[data-theme="dark"]{
    --blu:#5f8dfa;
    --blu-scuro:#bcd0ff;
    --blu-chiaro:#1a2440;
    --verde:#33d696;
    --rosso:#f2726f;
    --testo:#eaeefb;
    --testo-tenue:#93a0c2;
    --sfondo:#0b0f1c;
    --carta:#161d30;
    --bordo:#2a3350;
    --ombra:0 8px 24px rgba(0,0,0,.35);

    --viola:#a58cf7;
    --menta:#2fe0b3;
    --ambra:#ffbb52;
    --ombra-forte:0 20px 40px rgba(0,0,0,.5);

    --carta-grad:linear-gradient(180deg,#161d30,#111730);
    --nav-bg:rgba(10,14,26,.88);
}

/* html (non body) perche' auth-guard.js nasconde il body con display:none
   finche' non sa se l'utente e' loggato: senza questo, quell'attesa si
   vedrebbe come un lampo bianco invece del colore giusto (chiaro/scuro). */
html{
    background:var(--sfondo);
}

body{
    font-family:"Segoe UI",Arial,Helvetica,sans-serif;
    background:var(--sfondo);
    color:var(--testo);
    padding:22px 18px 100px;
    min-height:100vh;
    position:relative;
    overflow-x:hidden;
}

/*---------------- SFONDO DECORATIVO ---------------- */

body::before,
body::after{
    content:"";
    position:fixed;
    border-radius:50%;
    filter:blur(60px);
    z-index:-1;
    pointer-events:none;
}

body::before{
    top:-120px;
    left:-90px;
    width:280px;
    height:280px;
    background:rgba(139,108,240,.20);
    animation:vagaBlob1 22s ease-in-out infinite;
}

body::after{
    bottom:-100px;
    right:-100px;
    width:320px;
    height:320px;
    background:rgba(23,185,149,.16);
    animation:vagaBlob2 26s ease-in-out infinite;
}

@keyframes vagaBlob1{
    0%,100%{ transform:translate(0,0) scale(1); }
    50%{ transform:translate(40px,50px) scale(1.15); }
}

@keyframes vagaBlob2{
    0%,100%{ transform:translate(0,0) scale(1); }
    50%{ transform:translate(-30px,-40px) scale(1.1); }
}

/*---------------- CARD SPECIALE: VERBI IRREGOLARI ---------------- */
/* Fuori dalla griglia .lista, non nel ciclo dei 6 gradienti (--grad1..6):
   colore fisso oro/ambra e dimensione piena larghezza per farla risaltare
   rispetto ai 22 argomenti normali. */

@keyframes ingressoSpeciale{
    from{ opacity:0; transform:translateY(-10px) scale(.97); }
    to{ opacity:1; transform:translateY(0) scale(1); }
}

.categoriaSpeciale{
    display:block;
    max-width:600px;
    margin:22px auto 0;
    padding:3px;
    border-radius:26px;
    background:linear-gradient(135deg,#f5a623,#ff8a5c,#ec4899);
    text-decoration:none;
    cursor:pointer;
    box-shadow:0 14px 32px rgba(245,166,35,.28);
    animation:ingressoSpeciale .5s ease both;
    transition:transform .16s, box-shadow .16s;
}

.categoriaSpeciale:hover{
    transform:translateY(-3px);
    box-shadow:0 18px 40px rgba(245,166,35,.36);
}

.categoriaSpeciale:active{
    transform:scale(.98);
}

.badgeSpeciale{
    display:block;
    padding:7px 20px 5px;
    font-size:11.5px;
    font-weight:800;
    color:#fff;
    letter-spacing:.3px;
}

.contenutoSpeciale{
    display:flex;
    align-items:center;
    gap:14px;
    background:var(--carta);
    border-radius:23px;
    padding:16px 18px;
}

.iconaSpeciale{
    flex-shrink:0;
    width:56px;
    height:56px;
    border-radius:18px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:28px;
    background:linear-gradient(135deg,#f5a623,#ff8a5c);
    box-shadow:0 10px 20px rgba(245,166,35,.35);
}

.testoSpeciale{
    flex:1;
    min-width:0;
}

.testoSpeciale h2{
    font-size:17px;
    font-weight:800;
    color:var(--testo);
    margin-bottom:3px;
}

.testoSpeciale p{
    font-size:13px;
    color:var(--testo-tenue);
    line-height:1.35;
}

.frecciaSpeciale{
    flex-shrink:0;
    font-size:22px;
    color:var(--testo-tenue);
}

@media(max-width:375px){
    .testoSpeciale p{
        display:none;
    }
}

.categoriaSpecialeBasi{
    background:linear-gradient(135deg,#17b995,#3b6fe0);
    box-shadow:0 14px 32px rgba(23,185,149,.28);
}

.categoriaSpecialeBasi:hover{
    box-shadow:0 18px 40px rgba(23,185,149,.36);
}

.iconaSpecialeBasi{
    background:linear-gradient(135deg,#17b995,#3b6fe0);
    box-shadow:0 10px 20px rgba(23,185,149,.35);
}

/*---------------- HEADER ----------------*/

@keyframes comparsaIntestazione{
    from{ opacity:0; transform:translateY(-8px); }
    to{ opacity:1; transform:translateY(0); }
}

.topbar{
    position:relative;
    z-index:5;
    text-align:center;
    margin-bottom:26px;
    animation:comparsaIntestazione .5s ease both;
}

@keyframes scorrimentoSfumaturaTitolo{
    to{ background-position:200% center; }
}

.topbar h1{
    font-size:32px;
    font-weight:800;
    margin-bottom:8px;
    display:inline-block;
    background:linear-gradient(90deg,var(--testo),var(--blu),var(--viola),var(--testo));
    background-size:200% auto;
    -webkit-background-clip:text;
    background-clip:text;
    -webkit-text-fill-color:transparent;
    animation:scorrimentoSfumaturaTitolo 6s linear infinite;
}

.sottotitoloPagina{
    font-size:15px;
    color:var(--testo-tenue);
}

/*---------------- RICERCA PAROLE ----------------*/

.ricercaParole{
    position:relative;
    max-width:600px;
    margin:20px auto 0;
    text-align:left;
}

.ricercaParole .iconaRicerca{
    position:absolute;
    left:18px;
    top:50%;
    transform:translateY(-50%);
    font-size:16px;
    opacity:.55;
    pointer-events:none;
}

.ricercaParole input{
    width:100%;
    height:52px;
    padding:0 16px 0 44px;
    border-radius:18px;
    border:1.5px solid var(--bordo);
    background:var(--carta);
    box-shadow:var(--ombra);
    font-size:15px;
    font-family:inherit;
    color:var(--testo);
    outline:none;
    transition:border-color .18s, box-shadow .18s;
}

.ricercaParole input:focus{
    border-color:var(--blu);
    box-shadow:0 0 0 4px rgba(59,111,224,.14), var(--ombra);
}

.risultatiRicerca{
    display:none;
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    background:var(--carta);
    border-radius:18px;
    border:1px solid var(--bordo);
    box-shadow:var(--ombra-forte);
    overflow:hidden;
    z-index:20;
    max-height:340px;
    overflow-y:auto;
}

.risultatiRicerca.aperto{
    display:block;
    animation:scendiRisultati .18s ease both;
}

@keyframes scendiRisultati{
    from{ opacity:0; transform:translateY(-6px); }
    to{ opacity:1; transform:translateY(0); }
}

.rigaRisultato{
    position:relative;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding:12px 16px 12px 20px;
    border-bottom:1px solid var(--bordo);
    cursor:pointer;
    transition:background .15s;
}

.rigaRisultato::before{
    content:"";
    position:absolute;
    left:0; top:0; bottom:0;
    width:3px;
    background:linear-gradient(180deg,var(--blu),var(--viola));
    opacity:0;
    transition:opacity .15s;
}

.rigaRisultato:hover::before,
.rigaRisultato:active::before{
    opacity:1;
}

.rigaRisultato:last-child{
    border-bottom:none;
}

.rigaRisultato:hover,
.rigaRisultato:active{
    background:var(--blu-chiaro);
}

.coppiaLingue{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:14.5px;
    font-weight:600;
    flex-wrap:wrap;
}

.paroleIt{
    color:var(--testo);
}

.frecciaLingue{
    color:var(--testo-tenue);
    font-weight:400;
}

.paroleEn{
    color:var(--blu-scuro);
}

.tagArgomento{
    font-size:11.5px;
    font-weight:700;
    color:var(--verde);
    background:rgba(30,166,114,.1);
    padding:4px 9px;
    border-radius:20px;
    white-space:nowrap;
}

.rigaRisultatoVuota,
.rigaRisultatoAltri{
    justify-content:center;
    color:var(--testo-tenue);
    font-size:13.5px;
    font-weight:500;
    cursor:default;
}

.rigaRisultatoNonCliccabile{
    cursor:default;
}

.rigaRisultatoNonCliccabile:active{
    background:none;
}

.rigaRisultatoAltri:active{
    background:var(--carta);
}

/*---------------- GRIGLIA CATEGORIE ----------------*/

.lista{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:14px;
    max-width:600px;
    margin:26px auto 0;
}

@keyframes ingressoCategoria{
    from{ opacity:0; transform:translateY(14px) scale(.96); }
    to{ opacity:1; transform:translateY(0) scale(1); }
}

.categoria{
    position:relative;
    background:var(--carta-grad);
    border-radius:22px;
    padding:20px 12px;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:12px;
    box-shadow:var(--ombra);
    border:1px solid var(--bordo);
    cursor:pointer;
    text-align:center;
    min-height:130px;
    justify-content:center;
    overflow:hidden;
    animation:ingressoCategoria .4s ease both;
    transition:transform .18s, box-shadow .18s, border-color .18s;
}

.lista .categoria:nth-child(1){ animation-delay:.02s; }
.lista .categoria:nth-child(2){ animation-delay:.05s; }
.lista .categoria:nth-child(3){ animation-delay:.08s; }
.lista .categoria:nth-child(4){ animation-delay:.11s; }
.lista .categoria:nth-child(5){ animation-delay:.14s; }
.lista .categoria:nth-child(6){ animation-delay:.17s; }
.lista .categoria:nth-child(n+7){ animation-delay:.2s; }

.categoria:hover{
    transform:translateY(-4px);
    box-shadow:var(--ombra-forte);
    border-color:var(--blu-chiaro);
}

.categoria:active{
    transform:scale(.96);
}

.categoria img{
    width:60px;
    height:60px;
    padding:11px;
    border-radius:18px;
    object-fit:contain;
    transition:transform .18s;
}

.categoria:hover img{
    transform:scale(1.08) rotate(-4deg);
}

.categoria:nth-child(6n+1) img{ background:var(--grad1); box-shadow:0 10px 20px rgba(59,111,224,.35); }
.categoria:nth-child(6n+2) img{ background:var(--grad2); box-shadow:0 10px 20px rgba(23,185,149,.35); }
.categoria:nth-child(6n+3) img{ background:var(--grad3); box-shadow:0 10px 20px rgba(245,166,35,.35); }
.categoria:nth-child(6n+4) img{ background:var(--grad4); box-shadow:0 10px 20px rgba(236,72,153,.32); }
.categoria:nth-child(6n+5) img{ background:var(--grad5); box-shadow:0 10px 20px rgba(6,182,212,.32); }
.categoria:nth-child(6n+6) img{ background:var(--grad6); box-shadow:0 10px 20px rgba(139,108,240,.32); }

.categoria span{
    font-size:14.5px;
    font-weight:700;
    line-height:1.25;
    color:var(--testo);
}

/*---------------- NAV INFERIORE ----------------*/

.barraInferiore{
    position:fixed;
    bottom:0;
    left:0;
    width:100%;
    height:74px;
    background:var(--nav-bg);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    display:flex;
    justify-content:space-around;
    align-items:center;
    box-shadow:0 -10px 30px rgba(30,50,90,.10);
    border-top:1px solid var(--bordo);
    view-transition-name:barra-inferiore;
}

.barraInferiore a{
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:2px;
    text-decoration:none;
    color:var(--testo-tenue);
    font-size:12px;
    font-weight:600;
    cursor:pointer;
}

.iconaNav{
    width:34px;
    height:34px;
    border-radius:50%;
    font-size:19px;
    display:flex;
    align-items:center;
    justify-content:center;
    transition:background .18s, transform .18s;
}

.barraInferiore a.attiva{
    color:var(--blu);
}

.barraInferiore a.attiva .iconaNav{
    background:linear-gradient(135deg,var(--blu-chiaro),#f2edfe);
    box-shadow:0 4px 10px rgba(59,111,224,.22);
    transform:translateY(-2px);
}

[data-theme="dark"] .barraInferiore a.attiva .iconaNav{
    background:linear-gradient(135deg,var(--blu-chiaro),#241b3d);
}

/*---------------- SCHEDA PAROLA ----------------*/

.overlayScheda{
    display:none;
    position:fixed;
    inset:0;
    background:rgba(20,30,55,.5);
    backdrop-filter:blur(3px);
    -webkit-backdrop-filter:blur(3px);
    /* Sopra al fuocherello/bandiera UK/pallino profilo (z-index 999-1000,
       assets/auth-guard.js), cosi' quando la scheda e' aperta questi
       restano visivamente "dietro", coperti dallo sfondo scurito. */
    z-index:1100;
    align-items:center;
    justify-content:center;
    padding:20px;
}

.overlayScheda.aperto{
    display:flex;
    animation:comparsaOverlayScheda .18s ease both;
}

@keyframes comparsaOverlayScheda{
    from{ opacity:0; }
    to{ opacity:1; }
}

.schedaParola{
    position:relative;
    background:var(--carta);
    border-radius:26px;
    box-shadow:var(--ombra-forte);
    padding:28px 24px 26px;
    width:100%;
    max-width:380px;
    max-height:88vh;
    overflow-y:auto;
    text-align:center;
    animation:comparsaSchedaParola .22s cubic-bezier(.2,.9,.3,1.2) both;
}

@keyframes comparsaSchedaParola{
    from{ opacity:0; transform:translateY(18px) scale(.94); }
    to{ opacity:1; transform:translateY(0) scale(1); }
}

.chiudiScheda{
    position:absolute;
    top:14px;
    right:14px;
    width:34px;
    height:34px;
    border:none;
    border-radius:50%;
    background:var(--blu-chiaro);
    color:var(--testo);
    font-size:20px;
    line-height:1;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    transition:background .15s, transform .15s;
}

.chiudiScheda:hover{
    background:var(--bordo);
    transform:scale(1.06);
}

.schedaImmagineWrap{
    display:flex;
    align-items:center;
    justify-content:center;
    margin:4px auto 18px;
    width:120px;
    height:120px;
    border-radius:26px;
    background:var(--grad1);
    box-shadow:0 12px 24px rgba(59,111,224,.30);
}

.schedaImmagineWrap img{
    width:70px;
    height:70px;
    object-fit:contain;
}

.schedaParoleWrap{
    display:flex;
    flex-direction:column;
    gap:10px;
    margin-bottom:18px;
}

.schedaRigaParola{
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:4px;
    padding:12px 14px;
    background:var(--sfondo);
    border-radius:16px;
    border:1px solid var(--bordo);
}

.schedaLabel{
    font-size:11.5px;
    font-weight:700;
    text-transform:uppercase;
    letter-spacing:.03em;
    color:var(--testo-tenue);
}

.schedaParoleTesto{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:18px;
    font-weight:700;
    flex-wrap:wrap;
    justify-content:center;
}

.schedaParoleTesto .paroleEn{
    color:var(--blu-scuro);
}

.schedaBtnAudio{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    width:100%;
    padding:13px;
    margin-bottom:18px;
    border:none;
    border-radius:16px;
    background:var(--grad2);
    color:#fff;
    font-size:15px;
    font-weight:700;
    font-family:inherit;
    cursor:pointer;
    box-shadow:0 10px 20px rgba(23,185,149,.30);
    transition:transform .15s, box-shadow .15s;
}

.schedaBtnAudio:hover{
    transform:translateY(-2px);
}

.schedaBtnAudio:active{
    transform:scale(.97);
}

.schedaIconaAudio{
    font-size:17px;
}

.schedaFraseWrap{
    text-align:left;
    padding:16px 18px;
    background:var(--blu-chiaro);
    border-radius:16px;
    border:1px solid var(--bordo);
}

.schedaFraseEn{
    font-size:15px;
    font-weight:600;
    color:var(--testo);
    line-height:1.5;
    margin-bottom:8px;
}

.paroleEvidenziata{
    background:var(--ambra);
    color:var(--testo);
    padding:1px 5px;
    border-radius:6px;
    font-weight:800;
}

.schedaFraseIt{
    font-size:13.5px;
    color:var(--testo-tenue);
    line-height:1.4;
}

.schedaNessunaFrase{
    display:none;
    font-size:13.5px;
    color:var(--testo-tenue);
    font-style:italic;
    padding:10px;
}

/*---------------- RESPONSIVE ----------------*/

@media(max-width:340px){

    .categoria span{
        font-size:13px;
    }

}