:root{--bg:#f6f7fb;--panel:rgba(255,255,255,.86);--panel-solid:#fff;--text:#111827;--muted:#64748b;--line:#dbe2ea;--accent:#2563eb;--accent-2:#1d4ed8;--ok:#15803d;--warn:#b45309;--danger:#b91c1c;--shadow:0 18px 50px rgba(15,23,42,.09);--radius:22px}
[data-theme="dark"]{--bg:#0b1020;--panel:rgba(17,24,39,.88);--panel-solid:#111827;--text:#f8fafc;--muted:#94a3b8;--line:#293548;--accent:#60a5fa;--accent-2:#93c5fd;--ok:#4ade80;--warn:#fbbf24;--danger:#f87171;--shadow:0 18px 60px rgba(0,0,0,.28)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body{background-image:radial-gradient(circle at 10% 0%,rgba(37,99,235,.13),transparent 35%),radial-gradient(circle at 100% 20%,rgba(99,102,241,.10),transparent 30%)}
button,input{font:inherit}button{cursor:pointer}.shell{width:min(1120px,calc(100% - 28px));margin:0 auto;padding:28px 0 70px}
header{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:28px}.brand{display:flex;align-items:center;gap:14px}
.logo{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--text);color:var(--bg);font-weight:800;letter-spacing:-.04em}
h1{font-size:1.15rem;margin:0}.sub{color:var(--muted);font-size:.9rem}.iconbtn{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:12px;padding:9px 12px}
.hero{margin:28px 0 22px}.hero h2{font-size:clamp(2rem,5vw,4.3rem);line-height:1.02;letter-spacing:-.055em;margin:0;max-width:800px}
.hero p{max-width:720px;color:var(--muted);font-size:1.05rem;margin:16px 0 0}.grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:20px;align-items:start}
.card{background:var(--panel);backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.maincard,.sidecard{padding:18px}
.sidecard h3{margin:0 0 14px}.tabs{display:flex;gap:8px;padding:4px;background:rgba(100,116,139,.10);border-radius:14px;margin-bottom:14px}
.tab{flex:1;border:0;background:transparent;color:var(--muted);padding:10px 12px;border-radius:10px;font-weight:650}.tab.active{background:var(--panel-solid);color:var(--text);box-shadow:0 3px 14px rgba(0,0,0,.07)}
.drop{border:1.5px dashed #94a3b8;border-radius:18px;min-height:260px;display:grid;place-items:center;text-align:center;padding:28px;transition:.2s;background:rgba(148,163,184,.045)}
.drop.drag{border-color:var(--accent);background:rgba(37,99,235,.08);transform:scale(.997)}.drop strong{display:block;font-size:1.25rem;margin-bottom:8px}.drop span{color:var(--muted)}.pick{margin-top:18px}
.primary{border:0;border-radius:13px;background:var(--accent);color:#fff;padding:11px 16px;font-weight:700}.primary:hover{background:var(--accent-2)}
.secondary{border:1px solid var(--line);border-radius:13px;background:var(--panel-solid);color:var(--text);padding:10px 14px;font-weight:650}.danger{color:var(--danger)}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.compact{margin:0}.files{display:grid;gap:9px;margin-top:14px}.file{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 12px;border:1px solid var(--line);border-radius:13px;background:rgba(148,163,184,.04)}
.file small{color:var(--muted)}.urlrow{display:flex;gap:10px}.urlrow input,.field input{width:100%;border:1px solid var(--line);border-radius:13px;background:var(--panel-solid);color:var(--text);padding:12px 13px;outline:none}
.urlrow input:focus,.field input:focus{border-color:var(--accent)}.opt{display:flex;align-items:flex-start;gap:10px;margin-top:14px;padding:12px;border:1px solid var(--line);border-radius:13px}
.opt input{margin-top:5px}.opt small{display:block;color:var(--muted)}.caps{display:grid;gap:12px}.cap{display:flex;justify-content:space-between;gap:14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.cap:last-child{border-bottom:0;padding-bottom:0}.badge{font-size:.78rem;font-weight:750;border-radius:999px;padding:3px 8px;background:rgba(37,99,235,.11);color:var(--accent)}.badge.ok{color:var(--ok);background:rgba(22,163,74,.10)}.badge.warn{color:var(--warn);background:rgba(245,158,11,.11)}
.status{margin-top:18px}.progress{height:8px;background:rgba(148,163,184,.2);border-radius:999px;overflow:hidden}.bar{height:100%;width:0;background:var(--accent);transition:width .35s}.statusText{margin-top:8px}
.result{margin-top:16px;border:1px solid var(--line);border-radius:17px;overflow:hidden}.resulthead{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:12px 14px;background:rgba(148,163,184,.065)}
.resultbody{padding:0}.viewerbar{display:flex;gap:8px;padding:10px 12px;border-bottom:1px solid var(--line)}.viewerbar button{border:0;background:transparent;color:var(--muted);font-weight:650;padding:6px 9px;border-radius:9px}.viewerbar button.active{background:rgba(37,99,235,.10);color:var(--accent)}
.preview{padding:18px;max-height:560px;overflow:auto}.preview pre{white-space:pre-wrap;word-break:break-word;margin:0;font:13px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace}.preview table{border-collapse:collapse;width:100%;overflow:auto;display:block}.preview th,.preview td{border:1px solid var(--line);padding:7px 9px}.preview code{background:rgba(148,163,184,.15);padding:.1em .3em;border-radius:5px}.preview pre code{background:transparent;padding:0}
.notice{padding:10px 12px;border-radius:12px;margin-top:10px;font-size:.9rem;background:rgba(245,158,11,.10);color:var(--warn)}.resultnotice{margin:12px}.error{background:rgba(185,28,28,.10);color:var(--danger)}.hidden{display:none!important}
.modalback{position:fixed;inset:0;background:rgba(2,6,23,.62);display:grid;place-items:center;padding:20px;z-index:50}.modal{width:min(460px,100%);background:var(--panel-solid);border:1px solid var(--line);border-radius:22px;box-shadow:0 30px 100px rgba(0,0,0,.35);padding:22px}.modal h3{font-size:1.4rem;margin:0 0 8px}.modal p{color:var(--muted);margin:0 0 16px}.field{margin:12px 0}.field label{display:block;font-size:.9rem;font-weight:650;margin-bottom:6px}.full{width:100%}
.toast{position:fixed;right:18px;bottom:18px;max-width:min(420px,calc(100% - 36px));padding:12px 14px;background:var(--text);color:var(--bg);border-radius:13px;box-shadow:var(--shadow);z-index:70}.tiny{font-size:.82rem;color:var(--muted)}.limits{margin-top:16px}
@media(max-width:850px){.grid{grid-template-columns:1fr}.sidecard{order:-1}.hero h2{font-size:2.6rem}}
@media(max-width:600px){.shell{width:min(100% - 18px,1120px);padding-top:16px}.hero{margin-top:18px}.hero h2{font-size:2.18rem}.maincard,.sidecard{padding:13px;border-radius:18px}.drop{min-height:220px;padding:20px}.urlrow{flex-direction:column}.resulthead{align-items:flex-start;flex-direction:column}.actions>*{flex:1}.actions a{display:flex}.actions a button{width:100%}}