:root{--primary:#6750a4;--primary-dark:#4f378b;--surface:rgba(255,251,254,.88);--container:#f3edf7;--outline:#79747e;--outline-v:#cac4d0;--text:#1d1b20;--muted:#49454f;--success:#50d015;--error:#ba1a1a;--shadow:0 10px 30px rgba(31,27,36,.08),0 2px 8px rgba(31,27,36,.08);--bg1:#f7f2ff;--bg2:#eef7ff;--bg3:#fff4eb;--glow1:rgba(103,80,164,.18);--glow2:rgba(57,117,214,.14)}
[data-theme="dark"]{--primary:#d0bcff;--primary-dark:#b69df8;--surface:rgba(30,28,35,.88);--container:#211f26;--outline:#938f99;--outline-v:#49454f;--text:#e6e1e5;--muted:#cac4d0;--success:#50d015;--error:#ffb4ab;--shadow:0 12px 35px rgba(0,0,0,.25);--bg1:#17131f;--bg2:#111b27;--bg3:#21170f;--glow1:rgba(208,188,255,.14);--glow2:rgba(126,182,255,.1)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{min-height:100vh;margin:0;background:radial-gradient(circle at 8% 10%,var(--glow1),transparent 28%),radial-gradient(circle at 92% 22%,var(--glow2),transparent 30%),linear-gradient(135deg,var(--bg1),var(--bg2) 52%,var(--bg3));background-attachment:fixed;color:var(--text);font-family:"Google Sans",sans-serif;font-optical-sizing:auto;line-height:1.5;transition:background .25s,color .25s}
button,input,select{font:inherit}
button{cursor:pointer}
body:before,body:after{content:"";position:fixed;z-index:-1;border-radius:50%;filter:blur(2px);pointer-events:none}
body:before{width:340px;height:340px;top:28%;left:-150px;background:var(--glow1)}
body:after{width:380px;height:380px;right:-170px;bottom:5%;background:var(--glow2)}
.theme-toggle{position:fixed;top:20px;right:22px;z-index:20;width:46px;height:46px;display:grid;place-items:center;padding:0;border:1px solid var(--outline-v);border-radius:14px;background:var(--surface);color:var(--text);box-shadow:var(--shadow);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);transition:transform .2s ease,background .2s ease,border-color .2s ease}
.theme-toggle:hover{transform:translateY(-2px);background:var(--container);border-color:var(--primary)}
.theme-icon{position:absolute;width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:opacity .2s ease,transform .25s ease}
.theme-sun{opacity:0;transform:scale(.7) rotate(-25deg)}
.theme-moon{opacity:1;transform:scale(1) rotate(0)}
[data-theme="dark"] .theme-sun{opacity:1;transform:scale(1) rotate(0)}
[data-theme="dark"] .theme-moon{opacity:0;transform:scale(.7) rotate(25deg)}
.container{width:min(920px,calc(100% - 32px));margin:0 auto;padding:72px 0 48px}
.hero{width:100%;margin:0 auto 34px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center}
.hero-title{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;margin:0 0 12px}
.hero-icon{width:46px;height:46px;flex:0 0 46px;object-fit:contain;border-radius:12px}
.hero h1{width:100%;margin:0 0 12px;text-align:center;font-size:clamp(28px,5vw,42px);line-height:1.15;letter-spacing:-.025em}
.hero-title h1{width:auto;margin:0;text-align:left}
.hero p{width:100%;max-width:700px;margin:0 auto;text-align:center;color:var(--muted);font-size:16px}
.card{margin-top:18px;padding:24px;background:var(--surface);border:1px solid var(--outline-v);border-radius:28px;box-shadow:var(--shadow);backdrop-filter:blur(12px)}
.section-title{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}
.section-title h2{margin:0;font-size:20px}
.muted{color:var(--muted);font-size:14px}
.pill,#qualityValue{padding:7px 12px;border-radius:999px;background:var(--container);color:var(--primary);font-size:12px;font-weight:700}
.drop-zone{min-height:250px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;padding:32px 20px;border:2px dashed var(--outline);border-radius:22px;color:var(--muted);text-align:center;cursor:pointer;transition:.18s}
.drop-zone:hover,.drop-zone:focus-visible,.drop-zone.dragover{border-color:var(--primary);background:var(--container);outline:none}
.drop-zone strong{color:var(--text);font-size:17px}
.drop-zone small{margin-top:10px}
.upload-icon{width:56px;height:56px;display:grid;place-items:center;margin-bottom:8px;border-radius:50%;background:var(--container);color:var(--primary);font-size:28px;font-weight:700}
.upload-list-wrap{margin-top:18px;padding-top:18px;border-top:1px solid var(--outline-v)}
.upload-list-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.subsection-title{margin:0 0 16px;font-size:16px;font-weight:700;color:var(--text)}
.resize-tabs{display:inline-flex;gap:4px;margin:0 0 16px;padding:4px;border-radius:12px;background:var(--container)}
.resize-tab{min-height:36px;padding:0 16px;border:0;border-radius:9px;background:transparent;color:var(--muted);font-size:13px;font-weight:700}
.resize-tab.active{background:var(--surface);color:var(--primary);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.percentage-field{max-width:100%}
.percentage-heading{display:flex;align-items:center;gap:12px}
.percentage-heading label{margin:0}
.percentage-field .input-suffix{width:92px;height:38px;margin:0;border-radius:10px}
.percentage-field .input-suffix input{min-width:0;padding:0 8px;text-align:center;color:var(--text);font-weight:600}
.percentage-field .input-suffix span{padding-right:9px;font-size:13px}
.percentage-field small{display:block;margin-top:7px;color:var(--muted);font-size:12px}
.resize-panel[hidden]{display:none}
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{display:block;margin-bottom:7px;color:var(--muted);font-size:13px;font-weight:600}
.input-suffix{display:flex;align-items:center;height:54px;border:1px solid var(--outline);border-radius:12px}
.input-suffix:focus-within{border:2px solid var(--primary)}
.input-suffix input{width:100%;height:100%;min-width:0;border:0;outline:0;padding:0 14px;background:transparent;color:var(--text);font-weight:600}
.input-suffix span{padding-right:14px;color:var(--muted);font-size:13px}
.switch-row{display:grid;gap:15px;margin-top:22px}
.switch-label{display:flex;align-items:center;gap:13px;cursor:pointer}
.switch-label input{position:absolute;opacity:0}
.switch{position:relative;flex:0 0 auto;width:52px;height:32px;border:2px solid var(--outline);border-radius:999px}
.switch:after{content:"";position:absolute;width:16px;height:16px;top:6px;left:6px;border-radius:50%;background:var(--outline);transition:.18s}
.switch-label input:checked+.switch{border-color:var(--primary);background:var(--primary)}
.switch-label input:checked+.switch:after{left:26px;background:#fff}
.switch-label strong,.switch-label small{display:block}
.switch-label strong{font-size:14px}
.switch-label small,.quality-row small{color:var(--muted);font-size:12px}
.quality-row{display:block;margin-top:28px}
.quality-row label{display:block;margin-bottom:2px}
.quality-copy{display:flex;flex-direction:column;gap:6px}
.quality-heading{display:flex;align-items:center;gap:12px}
.quality-heading label{margin:0}
.quality-input-wrap{display:flex;align-items:center;width:92px;height:38px;margin:0;border:1px solid var(--outline);border-radius:10px;background:var(--surface);overflow:hidden}
.quality-input-wrap:focus-within{border:2px solid var(--primary)}
.quality-input-wrap input{width:100%;height:100%;min-width:0;border:0;outline:0;padding:0 8px;background:transparent;color:var(--text);text-align:center;font-weight:600}
.quality-input-wrap span{padding-right:9px;color:var(--muted);font-size:13px;font-weight:700}
.advanced{margin-top:22px;padding-top:16px;border-top:1px solid var(--outline-v)}
.advanced summary{cursor:pointer;color:var(--primary);font-weight:700}
.advanced-content{margin-top:18px}
.select-field{display:grid;gap:7px;color:var(--muted);font-size:13px;font-weight:600}
.select-field select{height:50px;border:1px solid var(--outline);border-radius:12px;padding:0 12px;background:var(--surface)}
.convert-area{margin-top:24px}
.button-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.filled-button,.outlined-button{min-height:44px;padding:0 20px;border-radius:999px;font-weight:700}
.filled-button{border:0;background:var(--primary);color:#fff}
.filled-button:hover{background:var(--primary-dark)}
.filled-button:disabled{opacity:.55;cursor:wait}
.outlined-button{border:1px solid var(--primary);background:transparent;color:var(--primary)}
.privacy-note{margin:12px 0 0;color:var(--muted);font-size:13px}
.reset-button{margin-left:auto}
.file-list{display:grid;gap:10px}
.file-item{display:grid;grid-template-columns:64px minmax(0,1fr) auto;align-items:center;gap:14px;padding:12px;border:1px solid var(--outline-v);border-radius:16px}
.thumb{width:64px;height:64px;border-radius:11px;object-fit:cover;background:var(--container)}
.file-info{min-width:0}
.file-name{overflow:hidden;margin-bottom:3px;font-size:14px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}
.file-meta{color:var(--muted);font-size:12px}
.file-result{margin-top:4px;color:var(--primary-dark);font-size:12px;font-weight:700}
.file-item-actions{display:flex;gap:8px}
.icon-button{width:40px;height:40px;border:0;border-radius:50%;background:transparent;color:var(--muted);font-size:20px}
.icon-button:hover{background:var(--container)}
.progress-wrap{margin-top:18px;padding-top:18px;border-top:1px solid var(--outline-v)}
.progress-wrap[hidden]{display:none!important}
.progress-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;color:var(--muted);font-size:13px}
.progress-head strong{color:var(--text)}
.progress-track{width:100%;height:8px;overflow:hidden;border-radius:999px;background:var(--container)}
#progressBar,.progress-bar{width:0;height:100%;background:var(--primary);transition:width .2s ease}
.progress-bar{border-radius:inherit;transition:width .2s ease}
.result-card{scroll-margin-top:22px}
.comparison-list{display:grid;gap:24px}
.comparison-item{min-width:0}
.comparison-item-head{display:flex;justify-content:space-between;gap:16px;align-items:center;margin:0 0 10px}
.comparison-item-head strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}
.comparison-item-head span{flex:0 0 auto;color:var(--muted);font-size:12px}
.comparison{position:relative;height:min(62vw,520px);min-height:260px;overflow:hidden;border-radius:18px;background:var(--container);user-select:none}
.compare-image{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center}
.before-image{z-index:2;clip-path:inset(0 50% 0 0)}
.comparison-line{position:absolute;z-index:4;top:0;bottom:0;left:50%;width:2px;background:var(--success);pointer-events:none}
.comparison-line:after{content:"↔";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:var(--success);color:#fff}
.comparison input{position:absolute;z-index:5;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize}
.compare-label{position:absolute;z-index:6;top:12px;padding:5px 8px;border-radius:7px;background:rgba(0,0,0,.55);color:#fff;font-size:10px;font-weight:800;pointer-events:none}
.before-label{left:12px}
.after-label{right:12px}
.status{min-height:24px;margin-top:14px;color:var(--muted);font-size:13px;text-align:center}
.status.error{color:var(--error)}
.faq-section{width:100%;margin-top:18px;padding:24px;background:var(--surface);border:1px solid var(--outline-v);border-radius:28px;box-shadow:var(--shadow);backdrop-filter:blur(12px)}
.faq-header{margin-bottom:20px;text-align:left}
.faq-header h2{margin:0;font-size:20px;color:var(--text)}
.faq-header p{margin:5px 0 0;color:var(--muted);font-size:13px}
.faq-list{display:grid;gap:10px}
.faq-item{border:1px solid var(--outline-v);border-radius:16px;background:var(--surface);overflow:hidden;transition:border-color .25s ease,background .25s ease}
.faq-item:hover{border-color:var(--primary)}
.faq-item[open]{border-color:var(--primary);background:var(--container)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:58px;padding:16px 18px;cursor:pointer;list-style:none;color:var(--text);font-size:14px;font-weight:700}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{display:none}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px;border:1.5px solid var(--primary);border-radius:50%;transition:transform .25s ease}
.faq-icon:before,.faq-icon:after{content:"";position:absolute;top:50%;left:50%;width:8px;height:1.5px;background:var(--primary);transform:translate(-50%,-50%);transition:transform .25s ease}
.faq-icon:after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-item[open] .faq-icon:after{transform:translate(-50%,-50%) rotate(0)}
.faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease,opacity .25s ease;opacity:0}
.faq-answer>p{min-height:0;overflow:hidden;margin:0;padding:0 18px;color:var(--text);font-size:14px;line-height:1.7}
.faq-item[open] .faq-answer{grid-template-rows:1fr;opacity:1}
.faq-item[open] .faq-answer>p{padding-bottom:17px}
.upload-icon svg{width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.theme-toggle .theme-icon{display:block;width:30px;height:30px;padding:5px;border-radius:50%;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.theme-toggle .theme-icon circle,.theme-toggle .theme-icon path{vector-effect:non-scaling-stroke}
.convert-actions{margin:24px 0 0;padding:22px 24px;border:1px solid var(--outline-v);border-radius:24px;background:var(--surface);box-shadow:var(--shadow);backdrop-filter:blur(12px)}
.convert-actions[hidden]{display:none!important}
.convert-buttons{display:flex;align-items:center;justify-content:space-between;gap:16px}
.convert-buttons .primary-button,.convert-buttons .outlined-button{appearance:none;-webkit-appearance:none;display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:999px;font:inherit;font-weight:700;line-height:1;cursor:pointer}
.convert-buttons .primary-button{border:1px solid var(--primary);background:var(--primary);color:#fff;box-shadow:0 3px 8px rgba(103,80,164,.25)}
[data-theme="dark"] .convert-buttons .primary-button{color:#33245c}
.convert-buttons .outlined-button{border:1px solid var(--primary);background:transparent;color:var(--primary)}
.convert-buttons .primary-button:hover{filter:brightness(.96)}
.convert-buttons .outlined-button:hover,.section-title .outlined-button:hover,.file-item-actions .outlined-button:hover{background:var(--primary);color:var(--bg2)}
.convert-buttons button:disabled{opacity:.55;cursor:not-allowed}
.donate{display:flex;flex-direction:column;align-items:center;gap:.65rem}
.donate p{margin:0;color:var(--text);font-size:14px;font-weight:600;line-height:1.4}
.donateLinks{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:.55rem}
.donateButton{display:inline-flex;align-items:center;justify-content:center;gap:.42rem;min-height:36px;padding:.45rem .78rem;border:1px solid var(--primary);border-radius:999px;background:var(--surface);color:var(--text);font-size:.82rem;font-weight:700;line-height:1;text-decoration:none;box-shadow:var(--shadow);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease,background .18s ease}
.donateButton:hover{transform:translateY(-2px);color:var(--primary);background:var(--container);border-color:var(--primary);box-shadow:var(--shadow);text-decoration:none}
.donateButton:active{transform:translateY(0) scale(.97)}
.donateButton:focus-visible{outline:3px solid var(--primary);outline-offset:3px}
.donateIcon{width:17px;height:17px;flex:0 0 auto;fill:currentColor}
footer{position:relative;z-index:1;width:100%;padding:1rem 1rem 1.8rem;color:var(--muted);font-size:.88rem}
.footerInner{display:flex;flex-direction:column;align-items:center;gap:2rem;width:100%;max-width:720px;margin:0 auto;padding-top:1rem}
.footerCredit{color:var(--muted)}
footer a{color:var(--text);font-weight:700;text-decoration:none}
footer .footerCredit a{color:var(--primary)}
footer .footerCredit a:hover{text-decoration:underline}
@media(max-width:640px){.theme-toggle{top:14px;right:14px}.container{width:min(100% - 20px,920px);padding-top:72px!important}.comparison-item-head{align-items:flex-start;flex-direction:column;gap:2px}.comparison-item-head strong{white-space:normal}.card{padding:18px;border-radius:22px}.settings-grid{grid-template-columns:1fr}.pill{display:none}.file-item{grid-template-columns:52px minmax(0,1fr)}.thumb{width:52px;height:52px}.file-item-actions{grid-column:2}.section-title{align-items:flex-start}.result-card .section-title{flex-direction:column}.result-card .outlined-button{width:100%}.comparison{height:60vw;min-height:220px}.hero-title{gap:9px}.hero-icon{width:36px;height:36px;flex-basis:36px}.hero-title h1{font-size:clamp(24px,6vw,32px)}.quality-heading,.percentage-heading{gap:10px}.quality-input-wrap{width:88px}.percentage-field .input-suffix{width:88px;height:38px;margin:0;border-radius:10px}.percentage-field .input-suffix input{min-width:0;padding:0 8px;text-align:center;color:var(--text);font-weight:600}.percentage-field .input-suffix span{padding-right:9px;font-size:13px}.convert-actions{padding:18px}.convert-buttons{gap:12px}.convert-buttons .primary-button,.convert-buttons .outlined-button{min-height:46px;padding:0 16px}.faq-section{margin-top:20px;padding:20px 16px;border-radius:22px}.faq-section{margin-top:20px;padding:20px 16px;border-radius:22px}.faq-header h2{font-size:19px}.faq-header p{font-size:12px}.faq-item summary{min-height:54px;padding:14px;gap:12px}.faq-answer>p{padding:0 14px;line-height:1.65}.faq-item[open] .faq-answer>p{padding-bottom:15px}}
@media(max-width:420px){.hero-title{gap:7px}.hero-icon{width:30px;height:30px;flex-basis:30px}.hero-title h1{font-size:21px}}