/* Interval Ear Training */
.wpiet-app{box-sizing:border-box;max-width:1180px;margin:32px auto;padding:24px;color:var(--wpiet-text);background:linear-gradient(145deg,#fff,var(--wpiet-background));border:1px solid rgba(124,58,237,.12);border-radius:28px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6;box-shadow:0 20px 50px rgba(15,23,42,.1)}
.wpiet-app *{box-sizing:border-box}.wpiet-app h1,.wpiet-app h2,.wpiet-app h3,.wpiet-app p{margin-top:0}.wpiet-app h1{margin-bottom:10px;color:var(--wpiet-primary);font-size:clamp(2rem,5vw,3.5rem);line-height:1.05;letter-spacing:-.04em}.wpiet-app h2{margin-bottom:4px;font-size:1.05rem}.wpiet-app h3{font-size:1rem}.wpiet-hero{display:flex;flex-direction:column;gap:18px;margin-bottom:24px;padding:8px}.wpiet-eyebrow{margin-bottom:8px;color:var(--wpiet-accent);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.wpiet-subtitle{max-width:760px;margin-bottom:0;color:var(--wpiet-muted);font-size:1.05rem}.wpiet-privacy,.wpiet-status{display:inline-flex;align-items:center;width:fit-content;gap:8px;border-radius:999px;font-size:.8rem;font-weight:750}.wpiet-privacy{padding:9px 13px;color:#166534;background:#dcfce7}.wpiet-status{padding:7px 11px;color:var(--wpiet-primary);background:#e0e7ff}.wpiet-status[data-state=active]{color:#166534;background:#dcfce7}.wpiet-layout,.wpiet-controls,.wpiet-main{display:grid;gap:20px}.wpiet-card{padding:20px;background:rgba(255,255,255,.95);border:1px solid var(--wpiet-border);border-radius:24px;box-shadow:0 8px 24px rgba(15,23,42,.08)}.wpiet-test-card{position:relative;overflow:hidden;border-color:rgba(124,58,237,.25)}.wpiet-test-card:before{position:absolute;inset:0 0 auto;height:5px;content:"";background:linear-gradient(90deg,var(--wpiet-accent),#a78bfa,var(--wpiet-success))}.wpiet-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}.wpiet-heading p{margin-bottom:0;color:var(--wpiet-muted);font-size:.88rem}.wpiet-field+.wpiet-field{margin-top:18px}.wpiet-field label,.wpiet-label-row{display:block;margin-bottom:7px;font-size:.91rem;font-weight:750}.wpiet-label-row{display:flex;justify-content:space-between;gap:12px}.wpiet-label-row output{color:var(--wpiet-accent);font-size:.84rem;font-weight:800}.wpiet-app select,.wpiet-app button{min-height:48px;font:inherit;font-size:16px}.wpiet-app select{width:100%;padding:0 42px 0 14px;color:var(--wpiet-text);background:#fff;border:1px solid var(--wpiet-border);border-radius:10px;cursor:pointer}.wpiet-app input[type=range]{width:100%;min-height:30px;accent-color:var(--wpiet-accent)}.wpiet-app select:hover{border-color:#94a3b8}.wpiet-app select:focus-visible,.wpiet-app button:focus-visible,.wpiet-app input:focus-visible{outline:3px solid rgba(124,58,237,.25);outline-offset:2px}.wpiet-form-grid{display:grid;gap:18px}.wpiet-button-grid,.wpiet-action-row{display:grid;gap:10px;margin-top:18px}.wpiet-button{display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:48px;padding:0 18px;border:1px solid transparent;border-radius:12px;font-weight:800;cursor:pointer;transition:.18s}.wpiet-button:hover{transform:translateY(-1px)}.wpiet-primary{color:#fff;background:linear-gradient(135deg,var(--wpiet-primary),var(--wpiet-accent));box-shadow:0 10px 22px rgba(124,58,237,.25)}.wpiet-secondary{color:var(--wpiet-primary);background:#eef2ff;border-color:#c7d2fe}.wpiet-ghost{color:var(--wpiet-text);background:#fff;border-color:var(--wpiet-border)}.wpiet-small-button,.wpiet-text-button{min-height:38px!important;padding:0 12px;color:var(--wpiet-accent);background:#fff;border:1px solid #c7d2fe;border-radius:10px;font-weight:800;cursor:pointer}.wpiet-text-button{border:0;background:transparent;padding:0 4px}.wpiet-app button:disabled{opacity:.5;cursor:not-allowed}.wpiet-alert{margin-top:14px;padding:12px 14px;color:#991b1b;background:#fef2f2;border:1px solid #fecaca;border-radius:10px;font-size:.88rem}.wpiet-progress-head{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:8px}.wpiet-progress-head>div{padding:12px;background:var(--wpiet-surface);border:1px solid #e2e8f0;border-radius:12px;text-align:center}.wpiet-progress-head span{display:block;color:var(--wpiet-muted);font-size:.74rem;font-weight:750}.wpiet-progress-head strong{color:var(--wpiet-primary);font-size:1.05rem}.wpiet-progress{height:9px;margin:12px 0 20px;overflow:hidden;background:#e2e8f0;border-radius:999px}.wpiet-progress span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--wpiet-accent),var(--wpiet-success));transition:width .2s}.wpiet-prompt{min-height:64px;padding:16px;color:var(--wpiet-primary);background:#eef2ff;border:1px solid #c7d2fe;border-radius:14px;font-size:1.05rem;font-weight:800;text-align:center}.wpiet-listen-card{display:grid;gap:16px;margin-top:18px;padding:18px;background:var(--wpiet-surface);border:1px solid #e2e8f0;border-radius:16px}.wpiet-pulse{display:flex;align-items:center;justify-content:center;gap:6px;height:44px}.wpiet-pulse span{width:7px;height:18px;background:var(--wpiet-accent);border-radius:999px}.wpiet-pulse.is-playing span{animation:wpiet-pulse .7s infinite alternate}.wpiet-pulse.is-playing span:nth-child(2){animation-delay:.1s}.wpiet-pulse.is-playing span:nth-child(3){animation-delay:.2s}.wpiet-pulse.is-playing span:nth-child(4){animation-delay:.3s}@keyframes wpiet-pulse{to{height:38px}}.wpiet-answer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:18px}.wpiet-answer{min-height:54px;padding:10px;color:var(--wpiet-primary);background:#fff;border:1px solid var(--wpiet-border);border-radius:12px;font-weight:800;cursor:pointer}.wpiet-answer[aria-checked=true]{color:#fff;background:linear-gradient(135deg,var(--wpiet-primary),var(--wpiet-accent));border-color:transparent}.wpiet-answer.is-correct{color:#166534;background:#dcfce7;border-color:#86efac}.wpiet-answer.is-wrong{color:#991b1b;background:#fee2e2;border-color:#fca5a5}.wpiet-feedback{margin-top:18px;padding:16px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:16px}.wpiet-feedback-title{margin-bottom:12px;font-size:1.1rem;font-weight:900}.wpiet-feedback-title.correct{color:#166534}.wpiet-feedback-title.incorrect{color:#991b1b}.wpiet-feedback-grid,.wpiet-stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.wpiet-feedback-grid>div,.wpiet-stat-grid>div{padding:12px;background:#fff;border:1px solid #e2e8f0;border-radius:12px}.wpiet-feedback-grid span,.wpiet-stat-grid span{display:block;color:var(--wpiet-muted);font-size:.74rem;font-weight:750}.wpiet-feedback-grid strong,.wpiet-stat-grid strong{display:block;color:var(--wpiet-primary)}.wpiet-feedback .wpiet-small-button{margin-top:14px}.wpiet-table-wrap{margin-top:16px;overflow-x:auto}.wpiet-performance-table{width:100%;border-collapse:collapse;font-size:.88rem}.wpiet-performance-table th,.wpiet-performance-table td{padding:11px 10px;border-bottom:1px solid #e2e8f0;text-align:left}.wpiet-performance-table th{color:var(--wpiet-muted);font-size:.74rem;text-transform:uppercase;letter-spacing:.05em}.wpiet-performance-table td strong{color:var(--wpiet-primary)}.wpiet-summary-value{display:flex;align-items:baseline;justify-content:center;gap:14px;padding:22px;color:var(--wpiet-primary);background:#eef2ff;border-radius:16px}.wpiet-summary-value strong{font-size:2.2rem}.wpiet-summary-value span{font-size:1.1rem;font-weight:800;color:var(--wpiet-accent)}.wpiet-review{margin-top:18px}.wpiet-review-item,.wpiet-history-item{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:9px;padding:12px 14px;background:var(--wpiet-surface);border:1px solid #e2e8f0;border-radius:12px}.wpiet-review-item strong,.wpiet-history-item strong{display:block;color:var(--wpiet-primary)}.wpiet-review-item span,.wpiet-history-item span,.wpiet-empty{color:var(--wpiet-muted);font-size:.8rem}.wpiet-empty{margin-bottom:0}
@media(min-width:640px){.wpiet-app{padding:32px}.wpiet-hero{flex-direction:row;align-items:flex-start;justify-content:space-between}.wpiet-form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.wpiet-button-grid,.wpiet-action-row{grid-template-columns:repeat(2,minmax(0,1fr))}.wpiet-feedback-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.wpiet-answer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(min-width:960px){.wpiet-layout{grid-template-columns:minmax(320px,.78fr) minmax(0,1.22fr);align-items:start}.wpiet-controls{position:sticky;top:24px}}
@media(prefers-reduced-motion:reduce){.wpiet-app *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}