.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row > input { flex: 1 1 200px; width: auto; min-width: 0; }
.controls { display: grid; gap: 12px; }
.seg { display: inline-flex; background: var(--field); border-radius: 999px; padding: 3px; gap: 2px; flex-wrap: wrap; }
.seg button { font: inherit; border: 0; background: none; color: var(--muted); padding: 6px 11px; border-radius: 999px; cursor: pointer; font-weight: 700; font-size: .9rem; white-space: nowrap; }
.seg button[aria-checked="true"] { background: var(--card); color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,.12); }
.pbar { height: 8px; border-radius: 4px; background: var(--field); overflow: hidden; }
.pbar i { display: block; height: 100%; width: 0; background: var(--focus); border-radius: 4px; transition: width .2s; }
.summary { margin: 0; color: var(--muted); font-size: .9rem; }
.tips summary { cursor: pointer; font-weight: 800; font-size: 1.02rem; }
.tips ul { margin: 10px 0 0; padding-left: 1.2em; display: grid; gap: 6px; font-size: .92rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 10px; margin-bottom: 20px; }
.song { position: relative; font: inherit; color: inherit; text-align: left; display: grid; gap: 6px; align-content: start; background: var(--card); border: 2px solid var(--line);
        border-radius: 14px; padding: 6px; cursor: pointer; min-width: 0; }
.song:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.song img { width: 100%; height: auto; aspect-ratio: 1; border-radius: 10px; background: var(--field); filter: grayscale(.85); opacity: .7; }
.song.has { border-color: var(--focus); }
.song.has img { filter: none; opacity: 1; }
.song .mark { position: absolute; top: 10px; right: 10px; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: .85rem; }
.song.has .mark { background: var(--focus); color: #fff; box-shadow: 0 1px 4px rgba(0,0,0,.25); }
.cap { display: grid; gap: 3px; font-size: .84rem; line-height: 1.25; min-width: 0; }
.cap b { overflow-wrap: anywhere; }
.badge { justify-self: start; font-size: .7rem; font-weight: 800; padding: 1px 7px; border-radius: 999px; background: var(--field); color: var(--muted); }
.badge.hid { background: color-mix(in srgb, var(--line-obs) 16%, var(--field)); color: var(--line-obs); }
.badge.fav { background: color-mix(in srgb, var(--accent) 18%, var(--field)); color: var(--buy); }
.empty { grid-column: 1 / -1; text-align: center; color: var(--muted); padding: 24px 10px; }
@media (max-width: 400px) { .grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 8px; } }