*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial;color:#0b1220}
.bg{position:fixed;inset:0;background:url('assets/images/App_Background.jpg') center/cover no-repeat;z-index:-2}
.overlay{position:fixed;inset:0;background:linear-gradient(to bottom,rgba(0,0,0,.48),rgba(0,0,0,.70));z-index:-1}
.topbar{position:sticky;top:0;background:rgba(0,0,0,.70);backdrop-filter:blur(4px);color:#fff;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.2)}
.topbar nav{display:flex;flex-wrap:wrap;gap:10px}
.topbar a{color:#fff;text-decoration:none;font-weight:700;padding:6px 10px;border-radius:10px;border:2px solid rgba(255,255,255,.6);background:rgba(255,255,255,.06)}
.topbar a.active,.topbar a:hover{background:#fff;color:#0b1220;border-color:#fff}
.container{display:flex;justify-content:center;padding:16px;min-height:calc(100vh - 60px)}
.card{width:min(1100px,96vw);background:rgba(255,255,255,.78);border-radius:16px;padding:16px;box-shadow:0 8px 24px rgba(0,0,0,.22)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.tile{padding:12px;border:1px solid #d0d7e2;border-radius:12px;background:#ffffffcc}
.tile h3{margin:0 0 6px 0;font-size:18px}
.tile p{margin:0 0 6px 0;font-size:14px}
.controls{display:flex;gap:8px;margin-top:8px}
.iconbtn{padding:8px 10px;border-radius:10px;border:2px solid #0b1220;background:#fff;font-weight:700;cursor:pointer}
.iconbtn:focus{outline:3px solid #1e90ff;outline-offset:2px}
footer{color:#fff;padding:12px;text-align:center}

.landing{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 60px);padding:16px}
.welcome-card{background:rgba(255,255,255,.70);padding:28px 32px;border-radius:22px;backdrop-filter:blur(2px);text-align:center;max-width:680px;box-shadow:0 10px 26px rgba(0,0,0,.28)}
.welcome-card h1{margin:0 0 10px 0;font-size:32px}
.welcome-card p{margin:0;font-size:16px}


/* v2.5.3.1 visibility updates */
#hs-tng-fb-icon{position:fixed;right:12px;bottom:12px;z-index:9999}
#hs-tng-fb-icon img{width:100px;height:100px;object-fit:contain;background:rgba(255,255,255,.92);padding:6px;border-radius:12px;box-shadow:0 6px 18px rgba(0,0,0,.35)}

ul.vocab{list-style:none;padding:0;margin:0;display:grid;gap:12px}
ul.vocab li{background:#ffffff;border:1px solid #d0d7e2;border-radius:12px;padding:12px;display:flex;align-items:center;justify-content:space-between;gap:12px}
ul.vocab li .left{display:flex;flex-direction:column;gap:4px}
ul.vocab li strong{font-size:18px}
ul.vocab li em{font-style:normal;opacity:.85}
ul.vocab button{background:#fff;border:2px solid #0b1220;border-radius:10px;padding:6px 10px;cursor:pointer}
ul.vocab button:hover{background:rgba(255,255,255,.85)}

ul.vocab.vocab-phrases{gap:8px}
ul.vocab.vocab-phrases li{padding:4px 8px}
ul.vocab.vocab-phrases li strong{font-size:17px}
ul.vocab.vocab-phrases li em{font-size:14px}


/* v2.6.5 fix: phrase buttons fit text */
.phrase-button{display:inline-block;width:auto;max-width:fit-content;padding:6px 10px;}