.usw-app { background: var(--usw-bg); color: var(--usw-text); border-radius: var(--usw-radius); padding: 20px; max-width: 860px; margin: 0 auto; box-sizing: border-box; font-size: 17px; line-height: 1.5; }
.usw-app *, .usw-app *::before, .usw-app *::after { box-sizing: border-box; }
.usw-header { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.usw-logo { max-height: 90px; width: auto; }
.usw-logo-small { max-height: 48px; }
.usw-title { margin: 0; font-size: 1.7em; color: var(--usw-primary); letter-spacing: .01em; }
.usw-lead { font-size: 1.1em; }
.usw-muted { color: var(--usw-muted); }
.usw-welcome { text-align: center; padding: 40px 20px; }
.usw-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 20px; }

.usw-nav { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px; margin-bottom: 14px; scrollbar-width: thin; }
.usw-tab { flex: 0 0 auto; min-height: 48px; padding: 0 16px; border-radius: 999px; border: 2px solid var(--usw-line); background: var(--usw-card); color: var(--usw-text); font: inherit; font-size: .95em; cursor: pointer; }
.usw-tab[aria-selected="true"] { background: var(--usw-primary); color: #fff; border-color: var(--usw-primary); font-weight: 600; }
.usw-tab:focus-visible, .usw-btn:focus-visible, .usw-chip:focus-visible, .usw-app textarea:focus-visible, .usw-app select:focus-visible, .usw-app input:focus-visible { outline: 3px solid var(--usw-accent); outline-offset: 2px; }

.usw-card { background: var(--usw-card); border-radius: var(--usw-radius); box-shadow: var(--usw-shadow); padding: 20px; margin-bottom: 16px; border: 1px solid var(--usw-line); }
.usw-card h3 { margin: 0 0 8px; color: var(--usw-primary); }
.usw-eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .75em; color: var(--usw-accent); font-weight: 700; margin-bottom: 6px; }
.usw-prompt { font-size: 1.35em; font-weight: 600; margin: 4px 0 14px; }

.usw-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 52px; padding: 0 24px; border-radius: 999px; border: 2px solid transparent; font: inherit; font-weight: 700; cursor: pointer; text-decoration: none; }
.usw-btn-primary { background: var(--usw-button); color: #fff; }
.usw-btn-secondary { background: transparent; color: var(--usw-primary); border-color: var(--usw-primary); }
.usw-btn-play { background: var(--usw-secondary); color: #2B2620; }
.usw-btn-danger { background: transparent; color: var(--usw-accent); border-color: var(--usw-accent); }
.usw-btn[disabled] { opacity: .55; cursor: not-allowed; }
.usw-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

.usw-app textarea, .usw-app select, .usw-app input[type="text"] { width: 100%; font: inherit; padding: 12px 14px; border-radius: 12px; border: 2px solid var(--usw-line); background: #fff; color: var(--usw-text); }
.usw-app textarea { min-height: 110px; resize: vertical; }
.usw-moods { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.usw-chip { min-height: 48px; padding: 0 16px; border-radius: 999px; border: 2px solid var(--usw-line); background: var(--usw-card); font: inherit; cursor: pointer; color: var(--usw-text); }
.usw-chip[aria-pressed="true"], .usw-chip.is-selected { border-color: var(--usw-primary); background: var(--usw-primary); color: #fff; }

.usw-reward { text-align: center; }
.usw-reward-name { font-size: 2.4em; font-weight: 800; color: var(--usw-primary); margin: 6px 0; }
.usw-wild { display: inline-block; background: var(--usw-accent); color: #fff; padding: 4px 14px; border-radius: 999px; font-weight: 800; letter-spacing: .08em; margin-bottom: 8px; }
.usw-diagram { max-width: 150px; height: auto; margin: 8px auto; display: block; }
.usw-diagram text { fill: var(--usw-text); font-family: inherit; }
.usw-tab-pre { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .85em; overflow-x: auto; background: #f4efe3; padding: 10px; border-radius: 10px; text-align: left; margin: 8px 0; }

.usw-timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.usw-day { display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; border-radius: 14px; background: var(--usw-card); border: 1px solid var(--usw-line); }
.usw-day.is-empty { background: transparent; border-style: dashed; color: var(--usw-muted); }
.usw-day-name { font-weight: 800; letter-spacing: .08em; font-size: .8em; min-width: 46px; color: var(--usw-accent); }
.usw-day-body { flex: 1; min-width: 0; }
.usw-day-reward { font-weight: 800; color: var(--usw-primary); white-space: nowrap; }

.usw-song-section { margin: 18px 0; }
.usw-song-section h4 { margin: 0 0 4px; letter-spacing: .14em; font-size: .85em; color: var(--usw-accent); }
.usw-song-chords { font-family: ui-monospace, Menlo, Consolas, monospace; font-weight: 700; color: var(--usw-primary); }
.usw-song-lyric { margin: 2px 0 2px; }
.usw-chord-grid { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.usw-chord-grid figure { margin: 0; text-align: center; width: 110px; }
.usw-chord-grid figcaption { font-weight: 700; }
.usw-surprises { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.usw-surprise { background: #fff7e6; border: 1px solid var(--usw-secondary); border-radius: 14px; padding: 12px; }
.usw-surprise b { display: block; font-size: .72em; letter-spacing: .1em; text-transform: uppercase; color: var(--usw-accent); }

.usw-tempo { display: flex; align-items: center; gap: 10px; flex: 1 1 220px; }
.usw-tempo input[type="range"] { flex: 1; min-height: 40px; accent-color: var(--usw-primary); }
.usw-error { color: var(--usw-accent); font-weight: 600; }
.usw-sr { position: absolute; left: -9999px; }

@media (min-width: 700px) { .usw-app { padding: 30px; } .usw-reward-name { font-size: 3em; } }