.sg-intro.piano-drop-container { padding: 22px 16px; margin: 18px auto; }
.sg-intro p { margin: 8px auto; }
.sg-start,.sg-library { padding: 22px; margin-bottom: 20px; background: #253448; border: 1px solid #425571; border-radius: 12px; }
.sg-start h2,.sg-library h2 { font-size: 1.3rem; margin-bottom: 8px; }
.sg-start p,.sg-library p { color: #c1cedd; line-height: 1.6; }
.sg-presets { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; margin: 18px 0; }
.sg-presets button { display: flex; flex-direction: column; padding: 18px 12px; font-size: 1rem; background: #435294; border-color: #8995e3; }
.sg-presets span { font-size: .75rem; font-weight: 400; color: #e0e6ff; }
.sg-jumps { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 14px 0; }
.sg-jumps a,.sg-intro a { color: #b7d3ff; }
.sg-pack-bar { display: flex; align-items: center; gap: 16px; border-top: 1px solid #425571; padding-top: 18px; }
.sg-pack-bar button { flex-shrink: 0; background: #386647; }
#sg-status { min-height: 1.6em; margin-top: 14px; color: #c5f6cc; }
#sg-share-panel[hidden] { display: none; }
#sg-share-panel { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
#sg-share-panel label { flex-basis: 100%; }
#sg-share-url { flex: 1; min-width: 0; }
.sg-section input,.sg-section select { padding: 8px; color: #f4f6fb; background: #182537; border: 1px solid #8292a9; border-radius: 5px; max-width: 100%; }
.sg-section button:focus-visible,.sg-section summary:focus-visible,.sg-section input:focus-visible,.sg-section select:focus-visible { outline: 3px solid #b8ed91; outline-offset: 3px; }
.sg-card-description { color: #c1cedd; font-size: .8rem; line-height: 1.6; margin-bottom: 12px; }
.generator { scroll-margin-top: 76px; }
.generator > :not(canvas) { position: relative; z-index: 1; }
.sg-card-tools { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin: 8px 0; }
.sg-card-tools button { font-size: .75rem; padding: 6px 10px; }
.sg-note { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin: 8px 0; font-size: .85rem; }
.sg-active-name { color: #b8ed91; font-size: .75rem; min-height: 1.3em; margin-bottom: 8px; }
.sg-advanced { text-align: left; margin-top: 8px; border-top: 1px solid #536278; padding-top: 10px; }
.sg-advanced summary { cursor: pointer; font-weight: 600; padding: 6px 0; }
.sg-advanced label { display: block; margin: 12px 0; color: #d4deeb; font-size: .8rem; }
.sg-advanced input[type=range] { display: block; width: 100%; padding: 0; margin-top: 6px; accent-color: #a9b4ff; }
.sg-advanced output { float: right; color: #fbd183; }
#sg-favorites { list-style: none; padding: 0; display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
#sg-favorites li { display: flex; gap: 4px; align-items: center; }
.sg-empty { color: #c1cedd; }
@media(max-width:800px) { .sg-presets { grid-template-columns: repeat(2,minmax(0,1fr)); } .sg-pack-bar { flex-direction: column; align-items: flex-start; } }
@media(max-width:400px) { .sg-start,.sg-library { padding: 14px; } .sg-presets button { font-size: .85rem; } }