@import url("/shared/tool-alignment.css?v=15");

:root{--bg:#eef2f1;--paper:#fff;--soft:#e7eeec;--ink:#0c1916;--muted:#5a6b66;--line:#d3ddda;--teal:#0b6b62;--coral:#d96f4c}
:root[data-theme=dark]{--bg:#0f1715;--paper:#16221f;--soft:#20312d;--ink:#edf7f4;--muted:#a5b7b1;--line:#31433e;--teal:#19a896;--coral:#ff9a77}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(circle at 8% -10%,color-mix(in srgb,var(--teal) 12%,transparent),transparent 32rem),var(--bg);color:var(--ink);font-family:Inter,system-ui,sans-serif}
.shell{width:min(1180px,calc(100% - 32px));margin:auto;padding:24px 0 36px}
header,header nav,.toolbar,.deck-top,.file-card,#progressArea>div,footer,footer nav{display:flex;align-items:center}
header,footer{justify-content:space-between;gap:16px}
header{padding-bottom:18px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none}
.brand img{width:44px;height:44px}
.brand b,.brand small{display:block}
.brand small{color:var(--muted);font-size:12px}
header nav,footer nav{gap:12px;flex-wrap:wrap}
header a,footer a,footer button{color:var(--muted);font:inherit;font-size:14px;font-weight:750;text-decoration:none}
button{cursor:pointer}
header button,footer button{border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--teal);padding:8px 10px}
.theme-button{display:grid;place-items:center;width:38px;height:38px;padding:0;overflow:hidden;transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease,transform .2s ease}
.theme-button:hover{border-color:var(--teal);background:var(--soft);box-shadow:0 4px 14px color-mix(in srgb,var(--teal) 20%,transparent);transform:translateY(-1px)}
.theme-button:focus-visible{outline:3px solid color-mix(in srgb,var(--teal) 38%,transparent);outline-offset:3px}
.theme-button svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}
.theme-button[aria-pressed="true"] svg{color:var(--coral)}
@media(prefers-reduced-motion:no-preference){.theme-button.is-switching svg{animation:theme-icon-settle .34s cubic-bezier(.2,.8,.2,1)}
.theme-button:active{transform:translateY(0) scale(.94)}
@keyframes theme-icon-settle{from{transform:rotate(-70deg) scale(.72);opacity:.25}
to{transform:rotate(0) scale(1);opacity:1}
}
}
.toolbar{gap:18px;margin:18px 0;color:var(--muted);font-size:13px;font-weight:750}
.toolbar b{color:var(--teal);font-size:15px}
.toolbar span:last-child{margin-left:auto}
.workspace{display:grid;grid-template-columns:.85fr 1fr;gap:32px;align-items:center;padding:38px 0}
.kicker{color:var(--teal);font-size:12px;font-weight:900;text-transform:uppercase}
.wave{width:245px;height:34px;margin:18px 0;background:repeating-linear-gradient(90deg,var(--teal) 0 4px,transparent 4px 10px,var(--coral) 10px 14px,transparent 14px 21px,var(--teal) 21px 25px,transparent 25px 31px);mask:linear-gradient(90deg,transparent 0 3%,#000 3% 12%,transparent 12% 16%,#000 16% 30%,transparent 30% 35%,#000 35% 57%,transparent 57% 62%,#000 62% 78%,transparent 78% 83%,#000 83% 100%)}
h1{margin:0;font-size:clamp(42px,5.6vw,72px);line-height:.95}
h1 em{color:var(--coral);font:400 1em Georgia,serif}
.intro>p:not(.kicker){max-width:500px;color:var(--muted);font-size:18px;line-height:1.6}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}
.facts article,.deck,.guide{border:1px solid var(--line);border-radius:8px;background:var(--paper)}
.facts article{padding:14px;border-top:4px solid var(--teal)}
.facts article+article{border-top-color:var(--coral)}
.facts b,.facts span{display:block}
.facts span{margin-top:5px;color:var(--muted);font-size:13px;line-height:1.4}
.deck{position:relative;padding:24px;border-top:5px solid var(--teal);box-shadow:0 22px 55px rgba(20,50,42,.13);background:linear-gradient(180deg,color-mix(in srgb,var(--teal) 8%,var(--paper)),var(--paper) 40%)}
.deck::before{content:"INPUT / OUTPUT";position:absolute;right:22px;top:15px;color:var(--muted);font-size:10px;font-weight:900}
.deck-top{justify-content:space-between;padding-top:16px}
.deck-top p{margin:0;color:var(--teal);font-size:12px;font-weight:900;text-transform:uppercase}
.deck-top h2{margin:5px 0 0;font-size:25px}
.deck-top>span{border:1px solid var(--line);border-radius:6px;padding:7px 9px;color:var(--teal);font-size:12px;font-weight:800}
#fileInput{position:absolute;width:1px;height:1px;opacity:0}
#dropZone{display:grid;place-items:center;gap:8px;margin:20px 0;border:2px solid color-mix(in srgb,var(--teal) 30%,var(--line));border-radius:8px;background:repeating-linear-gradient(90deg,color-mix(in srgb,var(--teal) 5%,transparent) 0 1px,transparent 1px 14px),var(--soft);padding:40px 18px;cursor:pointer;text-align:center}
#dropZone i{width:42px;height:42px;border-radius:50%;background:var(--teal);box-shadow:inset 0 0 0 10px var(--paper),0 0 0 6px color-mix(in srgb,var(--teal) 12%,transparent)}
#dropZone b{font-size:18px}
#dropZone span,#dropZone small{color:var(--muted)}
#dropZone.drag{border-color:var(--coral)}
.file-card{justify-content:space-between;gap:12px;margin:12px 0;padding:12px;border:1px solid var(--line);border-radius:6px;background:var(--soft)}
.file-card b,.file-card span{display:block}
.file-card span{margin-top:4px;color:var(--muted);font-size:13px}
.file-card button{border:0;background:transparent;color:var(--coral);font-weight:800}
.controls{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.controls label{display:grid;gap:7px;color:var(--muted);font-size:12px;font-weight:900;text-transform:uppercase}
.controls select{border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink);padding:12px;font:inherit;font-size:15px}
#progressArea{margin-top:18px}
#progressArea>div{justify-content:space-between;color:var(--muted);font-size:13px;font-weight:750}
.progress{height:8px;margin-top:8px;overflow:hidden;border-radius:99px;background:var(--soft)}
#progressBar{display:block;height:100%;width:0;background:var(--teal);transition:width .2s}
.convert,.download{display:block;width:100%;margin-top:18px;border:0;border-radius:6px;padding:14px;background:var(--teal);color:white;font:inherit;font-weight:850;text-align:center;text-decoration:none}
.convert:disabled{opacity:.45}
.download{border:1px solid var(--teal);background:var(--paper);color:var(--teal)}
#errorMessage{margin:12px 0 0;border-left:4px solid var(--coral);padding:10px;background:color-mix(in srgb,var(--coral) 9%,var(--paper))}
.guide{max-width:780px;margin:0 auto;padding:22px}
.guide h2{margin:0 0 8px;font-size:21px}
.guide p{margin:0;color:var(--muted);line-height:1.6}
footer{margin-top:30px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
[hidden]{display:none!important}
@media(max-width:760px){.shell{width:min(100% - 20px,1180px)}
header,footer{align-items:flex-start;flex-direction:column}
.workspace,.facts,.controls{grid-template-columns:1fr}
.toolbar{flex-wrap:wrap}
.toolbar span:last-child{margin-left:0}
}

.tools-menu{position:relative}
.tools-menu summary{display:inline-flex;align-items:center;min-height:38px;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);padding:0 11px;cursor:pointer;font-size:14px;font-weight:750;list-style:none}
.tools-menu summary::-webkit-details-marker{display:none}
.tools-panel{position:absolute;top:calc(100% + 8px);right:0;z-index:40;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;width:min(760px,calc(100vw - 24px));max-height:72vh;overflow:auto;border:1px solid var(--line);border-radius:12px;background:var(--paper);box-shadow:0 22px 55px rgba(20,50,42,.18);padding:8px}
.tool-menu-column,.tool-menu-group{display:grid;align-content:start;gap:5px;min-width:0}
.tool-menu-group{border:1px solid var(--line);border-radius:9px;background:var(--soft);padding:7px}
.tool-menu-group h2{margin:0;padding:4px 7px;color:var(--muted);font-size:11px;text-transform:uppercase}
.tools-panel a{display:grid;gap:2px;border-radius:7px;background:var(--paper);color:var(--ink);padding:8px;text-decoration:none}
.tools-panel a:hover,.tools-panel a:focus-visible,.tools-panel a[aria-current=page]{outline:0;background:color-mix(in srgb,var(--teal) 10%,var(--paper))}
.tools-panel strong,.tools-panel span{display:block}
.tools-panel span{color:var(--muted);font-size:12px;line-height:1.35}
.guide+.guide{margin-top:16px}
.guide p+p{margin-top:12px}
.related-audio>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px}
.related-audio a{display:grid;gap:4px;min-width:0;border:1px solid var(--line);border-radius:8px;background:var(--soft);color:var(--ink);padding:12px;text-decoration:none}
.related-audio span{color:var(--muted);font-size:12px;line-height:1.4}
.related-audio a:hover,.related-audio a:focus-visible{border-color:var(--teal)}

@media(max-width:760px){
  .tools-panel{left:0;right:auto;grid-template-columns:1fr;width:min(355px,calc(100vw - 20px))}
  .related-audio>div{grid-template-columns:1fr}
}