/* Shared styles for the newer tools (speaker cleaner, typing test, currency, image tools) */
.nt{display:grid;gap:16px;padding:22px}
.nt-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;align-items:end}
.nt-f{display:grid;gap:8px;min-width:0}
.nt-f>label,.nt-lbl{font:500 11px/1.2 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.nt-f input,.nt-f select{font:500 17px/1.2 var(--body);padding:12px 13px;width:100%;background:var(--field);color:var(--ink);border:1px solid var(--line);border-radius:12px}
.nt-f input:focus,.nt-f select:focus{outline:none;border-color:var(--a1);box-shadow:0 0 0 3px var(--a1-soft)}
.nt-f input[type=range]{padding:0;border:0;background:none;accent-color:var(--a1)}
.nt-btns{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.nt-big{font:600 clamp(30px,6vw,46px)/1.1 var(--mono);letter-spacing:-.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;word-break:break-word}
.nt-sub{color:var(--muted);font-size:14px}
.nt-msg{min-height:1.3em;font-size:14.5px;color:var(--muted)}.nt-msg.ok{color:var(--a1)}.nt-msg.err{color:#ff8a8a}
.nt-seg{display:flex;flex-wrap:wrap;gap:8px}
.nt-seg button{font:600 13.5px/1 var(--mono);padding:10px 14px;border-radius:999px;border:1px solid var(--line);background:var(--field);color:var(--ink);cursor:pointer}
.nt-seg button[aria-pressed=true]{border-color:var(--a1);color:var(--a1);background:var(--a1-soft)}
.nt-drop{border:2px dashed var(--line);border-radius:16px;padding:30px 16px;text-align:center;cursor:pointer;background:var(--field);transition:border-color .2s,background .2s}
.nt-drop:hover,.nt-drop.over{border-color:var(--a1);background:var(--a1-soft)}
.nt-drop b{display:block;font-size:17px;margin-bottom:4px}.nt-drop span{color:var(--muted);font-size:14px}
.nt-list{display:grid;gap:10px}
.nt-item{display:grid;grid-template-columns:64px 1fr auto;gap:12px;align-items:center;padding:10px;border:1px solid var(--line);border-radius:14px;background:var(--field)}
.nt-item img{width:64px;height:64px;object-fit:cover;border-radius:10px;background:#fff1}
.nt-item .nm{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nt-item small{color:var(--muted);display:block}
.nt-item .save{color:var(--a1)}
@media(max-width:520px){.nt-item{grid-template-columns:52px 1fr}.nt-item img{width:52px;height:52px}.nt-item .btn{grid-column:1/-1;justify-self:start}}
/* speaker cleaner */
.sc-stage{display:grid;place-items:center;padding:10px 0}
.sc-ring{position:relative;width:min(240px,64vw);aspect-ratio:1;border-radius:50%;display:grid;place-items:center;border:2px solid var(--line);background:radial-gradient(circle,var(--a1-soft),transparent 70%);cursor:pointer;color:var(--ink);font:inherit}
.sc-ring::before,.sc-ring::after{content:"";position:absolute;inset:-2px;border-radius:50%;border:2px solid var(--a1);opacity:0}
.sc-ring.on::before{animation:sc-pulse 1.2s ease-out infinite}.sc-ring.on::after{animation:sc-pulse 1.2s ease-out .6s infinite}
@keyframes sc-pulse{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.35);opacity:0}}
.sc-ring b{font:600 clamp(26px,7vw,40px)/1 var(--mono)}.sc-ring span{display:block;font-size:13px;color:var(--muted);margin-top:8px;letter-spacing:.08em;text-transform:uppercase}
.sc-bar{height:6px;border-radius:99px;background:var(--field);overflow:hidden}.sc-bar i{display:block;height:100%;width:0;background:var(--grad);transition:width .25s linear}
/* typing test */
.tt-words{font:500 clamp(19px,3.4vw,24px)/1.75 var(--mono);height:calc(1.75em * 3);overflow:hidden;position:relative;user-select:none;color:var(--muted);word-break:break-word}
.tt-words span{padding:0 .12em;border-radius:6px;display:inline-block}
.tt-words .cur{background:var(--a1-soft);color:var(--ink)}.tt-words .cur.err{background:rgba(255,90,90,.18);color:#ff9b9b}
.tt-words .ok{color:var(--a1)}.tt-words .bad{color:#ff7a7a;text-decoration:line-through;text-decoration-thickness:1px}
.tt-in{font:500 20px/1.2 var(--mono)!important}
.tt-top{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.tt-time{font:600 28px/1 var(--mono);color:var(--a1)}
/* currency */
.cx-swap{width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:var(--field);color:var(--ink);font-size:20px;cursor:pointer;justify-self:center}
.cx-swap:hover{border-color:var(--a1);color:var(--a1)}
.cx-grid{display:grid;grid-template-columns:1fr 1.2fr auto 1.2fr;gap:12px;align-items:end}
@media(max-width:640px){.cx-grid{grid-template-columns:1fr}.cx-swap{margin:-4px auto}}