*{box-sizing:border-box}body{font-family:system-ui,sans-serif;margin:0;background:#f6f7f9;color:#222}
header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#fff;border-bottom:1px solid #ddd;flex-wrap:wrap;gap:8px}
header h1{font-size:20px;margin:0}.layout{display:flex;gap:16px;padding:16px;align-items:flex-start}
aside{min-width:180px;background:#fff;border:1px solid #ddd;border-radius:8px;padding:10px}
aside button{display:block;width:100%;text-align:left;background:none;border:none;padding:8px;cursor:pointer;border-radius:6px}
aside button.active{background:#e8f0fe;font-weight:600}
main{flex:1}.admin{max-width:860px;margin:0 auto;padding:16px}.admin section{background:#fff;border:1px solid #ddd;border-radius:8px;padding:14px;margin-bottom:14px}
.controls{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.controls input,.controls select,input{padding:8px}
.file{display:flex;justify-content:space-between;gap:10px;background:#fff;border:1px solid #ddd;border-radius:8px;padding:10px 12px;margin-bottom:8px;flex-wrap:wrap}
.file .meta{color:#666;font-size:13px}.badge{background:#fff3cd;border-radius:4px;padding:1px 6px;font-size:12px}
button{padding:8px 12px;cursor:pointer}.status{color:#555;font-size:14px;min-height:18px}.warn{background:#fff3cd;padding:8px;border-radius:6px}
a.btn,button.btn{background:#1a73e8;color:#fff;border:none;border-radius:6px;padding:7px 10px;text-decoration:none}
@media(max-width:700px){.layout{flex-direction:column}aside{width:100%}}