@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --glass: rgba(255,255,255,0.82);
    --glass-strong: rgba(255,255,255,0.92);
    --border: rgba(255,255,255,0.5);
    --accent: #0066FF;
    --accent-hover: #0055DD;
    --text: #111;
    --text-dim: #666;
    --red: #E53935;
    --green: #2E7D32;
    --radius: 24px;
}

*{margin:0;padding:0;box-sizing:border-box}

body{
    font-family:'Inter',system-ui,sans-serif;
    color:var(--text);
    min-height:100vh;
    background:#111;
    overflow-x:hidden;
}

.bg{
    position:fixed;inset:0;z-index:0;
    background-size:cover;background-position:center;
    transition:opacity 1.2s ease;
}
.bg::after{
    content:'';position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(0,0,0,0.1) 0%,rgba(0,0,0,0.25) 100%);
}

.wrap{
    position:relative;z-index:1;
    min-height:100vh;
    display:flex;flex-direction:column;
    align-items:center;justify-content:center;
    padding:20px;
}

.card{
    width:100%;max-width:520px;
    background:var(--glass);
    backdrop-filter:blur(40px);-webkit-backdrop-filter:blur(40px);
    border-radius:var(--radius);
    padding:36px;
    box-shadow:0 20px 60px rgba(0,0,0,0.15);
}

.logo{
    text-align:center;margin-bottom:24px;
    font-size:14px;font-weight:600;letter-spacing:2px;
    color:var(--text-dim);text-transform:uppercase;
}
.logo span{color:var(--accent)}

.title{
    text-align:center;font-size:26px;font-weight:700;
    line-height:1.2;margin-bottom:6px;
}
.subtitle{
    text-align:center;font-size:14px;color:var(--text-dim);
    margin-bottom:28px;
}

.drop{
    border:2px dashed #ccc;border-radius:16px;
    padding:48px 20px;text-align:center;
    cursor:pointer;transition:all .2s;
    background:rgba(255,255,255,0.4);
}
.drop:hover,.drop.over{border-color:var(--accent);background:rgba(0,102,255,0.03)}
.drop-icon{font-size:40px;margin-bottom:10px;opacity:.4}
.drop-text{font-size:16px;font-weight:600}
.drop-hint{font-size:13px;color:var(--text-dim);margin-top:4px}

.files{margin-top:20px}
.files-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.files-head h3{font-size:14px;font-weight:600}
.btn-text{background:none;border:none;color:var(--red);cursor:pointer;font:inherit;font-size:13px;padding:2px 6px;border-radius:6px}
.btn-text:hover{background:rgba(229,57,53,0.06)}

.file-row{
    display:flex;align-items:center;gap:10px;
    padding:10px 12px;background:rgba(255,255,255,0.5);
    border-radius:10px;margin-bottom:4px;
}
.file-name{flex:1;font-size:13px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-size{font-size:12px;color:var(--text-dim);font-family:'JetBrains Mono',monospace;white-space:nowrap}
.file-rm{background:none;border:none;color:#999;cursor:pointer;font-size:16px;padding:0 4px}
.file-rm:hover{color:var(--red)}

.total{margin-top:8px;padding-top:8px;border-top:1px solid rgba(0,0,0,.06);display:flex;justify-content:space-between;font-size:13px;color:var(--text-dim)}
.total b{color:var(--text);font-family:'JetBrains Mono',monospace}

.section{margin-top:20px}
.label{font-size:12px;font-weight:600;color:var(--text-dim);margin-bottom:5px;display:flex;align-items:center;gap:4px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.flex-row{display:flex;gap:8px}
.flex-row .field{flex:1}

.field{
    width:100%;padding:10px 14px;border:1px solid #ddd;border-radius:10px;
    background:rgba(255,255,255,.6);font:inherit;font-size:14px;color:var(--text);
    outline:none;transition:border .2s;
}
.field:focus{border-color:var(--accent)}
.field::placeholder{color:#aaa}
.field-code{text-align:center;letter-spacing:6px;font-family:'JetBrains Mono',monospace;font-size:18px}

.btn{
    width:100%;padding:13px;border:none;border-radius:12px;
    background:var(--accent);color:#fff;font:inherit;
    font-size:15px;font-weight:600;cursor:pointer;transition:all .2s;
}
.btn:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 6px 20px rgba(0,102,255,.25)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

.btn-sm{
    padding:10px 16px;border:none;border-radius:10px;
    background:var(--accent);color:#fff;font:inherit;
    font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .2s;
}
.btn-sm:hover{background:var(--accent-hover)}
.btn-sm:disabled{opacity:.5;cursor:not-allowed}

.btn-outline{
    padding:10px 20px;border:1px solid #ddd;border-radius:10px;
    background:rgba(255,255,255,.5);color:var(--text);font:inherit;
    font-size:13px;cursor:pointer;transition:all .2s;
}
.btn-outline:hover{background:rgba(255,255,255,.8);border-color:#bbb}

.status{font-size:12px;margin-top:6px;min-height:16px}
.status.err{color:var(--red)}
.status.ok{color:var(--green)}

.progress{margin-top:20px}
.progress-top{display:flex;justify-content:space-between;font-size:13px;margin-bottom:6px}
.progress-top span:last-child{font-family:'JetBrains Mono',monospace;color:var(--accent)}
.bar-bg{height:6px;background:rgba(0,0,0,.06);border-radius:3px;overflow:hidden}
.bar-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),#00aaff);border-radius:3px;transition:width .3s}
.progress-info{display:flex;justify-content:space-between;font-size:12px;color:var(--text-dim);margin-top:4px;font-family:'JetBrains Mono',monospace}

.done{text-align:center;padding:10px 0}
.done-check{font-size:48px;margin-bottom:10px}
.done h3{font-size:20px;font-weight:700;margin-bottom:16px}
.share-row{display:flex;gap:8px;margin-bottom:14px}
.share-row .field{flex:1;font-family:'JetBrains Mono',monospace;font-size:12px}
.done-qr{margin:14px 0}
.done-qr img{border-radius:12px}

.features{
    display:flex;gap:24px;justify-content:center;
    margin-top:24px;padding:0 20px;
}
.feat{text-align:center;color:rgba(255,255,255,.85);max-width:160px}
.feat-icon{font-size:22px;margin-bottom:4px}
.feat h4{font-size:13px;font-weight:600}
.feat p{font-size:11px;opacity:.7;margin-top:2px}

.footer{
    position:relative;z-index:1;text-align:center;
    padding:16px;font-size:12px;color:rgba(255,255,255,.5);
}

.dl-icon{font-size:48px;margin-bottom:10px;opacity:.5}
.dl-name{font-size:20px;font-weight:700;margin-bottom:2px;word-break:break-all}
.dl-size{font-size:14px;color:var(--text-dim);font-family:'JetBrains Mono',monospace;margin-bottom:2px}
.dl-count{font-size:12px;color:var(--text-dim);margin-bottom:20px}
.dl-pw{max-width:260px;margin:0 auto 16px}
.dl-err{color:var(--red);font-size:13px;margin-top:8px}

.admin-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.admin-head h2{font-size:20px;font-weight:700}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.stat{background:rgba(255,255,255,.5);border-radius:12px;padding:16px;text-align:center}
.stat-val{font-size:24px;font-weight:700;color:var(--accent);font-family:'JetBrains Mono',monospace}
.stat-lbl{font-size:11px;color:var(--text-dim);margin-top:2px}
.tbl{width:100%;border-collapse:collapse;font-size:12px}
.tbl th{text-align:left;padding:6px 8px;color:var(--text-dim);font-weight:600;border-bottom:1px solid rgba(0,0,0,.08);font-size:11px;text-transform:uppercase;letter-spacing:.5px}
.tbl td{padding:6px 8px;border-bottom:1px solid rgba(0,0,0,.03)}
.tbl tr:hover td{background:rgba(0,102,255,.02)}
.scan-ok{color:var(--green)}.scan-fail{color:var(--red)}.scan-pending{color:orange}
.btn-del{background:none;border:1px solid rgba(229,57,53,.2);color:var(--red);padding:2px 8px;border-radius:5px;cursor:pointer;font:inherit;font-size:11px}
.btn-del:hover{background:rgba(229,57,53,.06)}

.login-card{max-width:320px;margin:0 auto;text-align:center}
.login-card h2{margin-bottom:16px;font-size:20px}
.login-card .field{margin-bottom:8px}

@media(max-width:560px){
    .card{padding:24px}
    .row{grid-template-columns:1fr}
    .features{flex-direction:column;align-items:center}
    .stats{grid-template-columns:1fr}
}