* { box-sizing: border-box; }
body { font-family: system-ui, sans-serif; background: #0f1115; color: #e6e6e6; margin: 0; }
main { max-width: 640px; margin: 0 auto; padding: 2rem 1rem; }
h1 { font-size: 1.4rem; }
input[type=url], input[type=password] { width: 100%; padding: .7rem; margin: .4rem 0;
  border: 1px solid #333; border-radius: 8px; background: #1a1d24; color: #fff; }
button { padding: .6rem 1rem; border: 0; border-radius: 8px; background: #3b82f6;
  color: #fff; cursor: pointer; font-size: 1rem; }
button:disabled { opacity: .5; cursor: default; }
.title { font-weight: 600; margin-top: 1rem; }
#formats button { display: block; width: 100%; text-align: left; margin: .3rem 0;
  background: #1a1d24; border: 1px solid #333; }
#formats button:hover { border-color: #3b82f6; }
.bar { height: 12px; background: #1a1d24; border-radius: 6px; overflow: hidden; margin: 1rem 0 .3rem; }
#barFill { height: 100%; width: 0; background: #22c55e; transition: width .3s; }
#downloadLink { display: inline-block; margin-top: 1rem; padding: .6rem 1rem;
  background: #22c55e; color: #fff; border-radius: 8px; text-decoration: none; }
.err { color: #ef4444; min-height: 1.2em; }
label { display: block; margin: .3rem 0; font-size: .9rem; }
#library { margin-top: 2rem; border-top: 1px solid #222; padding-top: 1rem; }
#library h2 { font-size: 1.1rem; display: flex; align-items: center; gap: .6rem; }
button.link { background: none; padding: 0; color: #3b82f6; font-size: .85rem; text-decoration: underline; }
#libList { list-style: none; padding: 0; margin: .5rem 0 0; }
#libList li { display: flex; flex-direction: column; padding: .5rem .7rem; margin: .3rem 0;
  background: #1a1d24; border: 1px solid #333; border-radius: 8px; }
#libList a { color: #e6e6e6; word-break: break-all; }
#libList .meta { font-size: .8rem; color: #8a8f98; margin-top: .2rem; }
#libList .muted { color: #8a8f98; border-style: dashed; }