*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}
    html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
    body{font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:#f0f2f5;color:#333;font-size:16px;line-height:1.6;margin:0;margin-top:60px;overflow-x:hidden}
    .create-container{max-width:720px;margin:20px auto;background:#fff;border-radius:16px;padding:24px;box-shadow:0 4px 16px rgba(0,0,0,0.08)}
    .create-container h1{text-align:center;font-size:28px;margin-bottom:8px;color:#1a1a2e}
    .subtitle{text-align:center;color:#666;margin-bottom:18px}
    .notice{padding:14px 16px;border-radius:12px;font-size:14px;line-height:1.7;margin-bottom:18px}
    .notice.info{background:#eff6ff;border:1px solid #bfdbfe;color:#1d4ed8}
    .notice.warn{background:#fff7ed;border:1px solid #fdba74;color:#c2410c}
    .notice.error{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c}
    .form-group{margin-bottom:16px}
    .form-group label{display:block;font-weight:700;margin-bottom:6px;font-size:14px;color:#475569}
    .form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1px solid #dbe2ea;border-radius:10px;font-size:15px;box-sizing:border-box;transition:border-color 0.2s;font-family:inherit}
    .form-group textarea{min-height:96px;resize:vertical}
    .field-note{margin-top:4px;font-size:12px;color:#6b7280}
    .track-search-area{margin:24px 0}
    .track-search-area .search-row{display:flex;gap:8px}
    .track-search-area input{flex:1;padding:10px 12px;border:1px solid #ddd;border-radius:8px;font-size:15px}
    .track-search-area button{padding:10px 16px;background:linear-gradient(135deg,#007bff,#0056b3);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:14px;white-space:nowrap;font-weight:700}
    .search-results{margin-top:8px;max-height:300px;overflow-y:auto;border:1px solid #eee;border-radius:10px;background:#fff}
    .search-result-item{display:flex;align-items:center;padding:8px 12px;border-bottom:1px solid #f0f0f0;cursor:pointer;transition:background 0.2s}
    .search-result-item:hover{background:#f0f8ff}
    .search-result-item:last-child{border-bottom:none}
    .search-result-item img{width:40px;height:40px;border-radius:6px;margin-right:10px;object-fit:cover}
    .search-result-item .track-info{flex:1;min-width:0}
    .search-result-item .track-title{font-weight:700;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .search-result-item .track-artist{font-size:12px;color:#666}
    .search-result-item .add-btn{background:linear-gradient(135deg,#28a745,#218838);color:#fff;border:none;padding:6px 12px;border-radius:6px;cursor:pointer;font-size:13px;white-space:nowrap;font-weight:700}
    .search-result-item .add-btn.added{background:#cbd5e1;cursor:default}
    .selected-tracks h2{font-size:18px;margin-bottom:8px}
    .track-count{font-size:13px;color:#666;margin-bottom:8px}
    .selected-track-item{display:flex;align-items:center;padding:8px 12px;background:#f8f9fa;border:1px solid #e0e0e0;border-radius:8px;margin-bottom:6px;cursor:grab;transition:box-shadow 0.2s}
    .selected-track-item:active{cursor:grabbing;box-shadow:0 2px 8px rgba(0,0,0,0.2)}
    .selected-track-item .drag-handle{color:#bbb;margin-right:8px;font-size:18px;cursor:grab}
    .selected-track-item img{width:36px;height:36px;border-radius:6px;margin-right:8px;object-fit:cover}
    .selected-track-item .track-info{flex:1;min-width:0}
    .selected-track-item .track-title{font-size:14px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .selected-track-item .track-artist{font-size:12px;color:#666}
    .selected-track-item .seq-num{background:linear-gradient(135deg,#007bff,#0056b3);color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-right:8px;flex-shrink:0}
    .selected-track-item .remove-btn{background:#dc3545;color:#fff;border:none;padding:4px 8px;border-radius:6px;cursor:pointer;font-size:12px;margin-left:8px;flex-shrink:0}
    .create-btn{display:block;width:100%;padding:14px;background:linear-gradient(135deg,#007bff,#0056b3);color:#fff;border:none;border-radius:10px;font-size:18px;font-weight:800;cursor:pointer;transition:opacity 0.2s}
    .create-btn:disabled{opacity:0.6;cursor:not-allowed}
    .created-result{text-align:center;padding:32px 16px}
    .created-result h2{color:#16a34a;margin-bottom:16px}
    .quiz-url-box{display:flex;gap:8px;margin:16px 0}
    .quiz-url-box input{flex:1;padding:10px;border:1px solid #ddd;border-radius:8px;font-size:14px}
    .quiz-url-box button{padding:10px 16px;background:linear-gradient(135deg,#007bff,#0056b3);color:#fff;border:none;border-radius:8px;cursor:pointer;font-weight:700}
    .share-btns{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:16px}
    .share-btns a{padding:10px 16px;border-radius:8px;color:#fff;text-decoration:none;font-size:14px;font-weight:700}
    .share-btns .tw{background:#1da1f2}.share-btns .fb{background:#4267b2}.share-btns .line{background:#00c300}
    .back-link{display:block;text-align:center;margin-top:20px;color:#007bff;text-decoration:none;font-size:15px;font-weight:700}
    .dragging{opacity:0.5}
    .login-cta{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:999px;background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;text-decoration:none;font-weight:800}
    @media only screen and (max-width:640px){.create-container{margin:12px;border-radius:14px;padding:18px}.track-search-area .search-row,.quiz-url-box{flex-direction:column}.create-container h1{font-size:24px}}

.guest-choice-card{margin:0 0 18px;padding:18px;border-radius:16px;background:linear-gradient(135deg,#eff6ff,#f8fafc);border:1px solid #bfdbfe;color:#1e3a8a}
.guest-choice-card h2{margin:0 0 8px;font-size:22px;line-height:1.35;color:#0f172a}
.guest-choice-card p{margin:0;color:#334155;font-size:15px;line-height:1.8}
.choice-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:14px}
.secondary-btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:999px;border:1px solid #cbd5e1;background:#fff;color:#334155;font-weight:800;cursor:pointer}
.secondary-btn:hover{text-decoration:none;background:#f8fafc}
.notice.info strong{color:#0f172a}
.field-note--strong{margin-top:6px;font-size:12px;color:#475569}
@media only screen and (max-width:640px){.guest-choice-card{padding:16px 14px}.guest-choice-card h2{font-size:20px}.choice-actions{flex-direction:column}.choice-actions .login-cta,.choice-actions .secondary-btn{width:100%}}

/* ===== test refactor v6 share icons ===== */
.share-btns a{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:10px;color:#fff;text-decoration:none;font-size:14px;font-weight:700}
.share-btns .tw{background:#111827}
.share-btns .fb{background:#1877f2}
.share-btns .line{background:#06c755}
.share-btns .reddit{background:#ff4500}
.share-btns .threads{background:#000}
.share-link__icon-wrap{width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 22px;border-radius:999px;background:rgba(255,255,255,.18)}
.share-link__icon{width:18px;height:18px;display:block}


.track-search-area .search-row{align-items:stretch}
.track-search-hint{margin-top:6px;font-size:12px;color:#64748b}
.search-results{position:relative}
.search-results__inner{display:grid;gap:0}
.search-result-item{gap:10px;cursor:default}
.search-result-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.preview-btn{display:inline-flex;align-items:center;justify-content:center;min-width:74px;padding:6px 10px;border:1px solid #cbd5e1;border-radius:999px;background:#fff;color:#334155;font-size:12px;font-weight:700}
.preview-btn.is-playing{background:#dbeafe;border-color:#60a5fa;color:#1d4ed8}
.preview-btn:hover{text-decoration:none;background:#eff6ff}
.add-btn[disabled]{opacity:.7}
.search-results-footer{display:flex;justify-content:center;padding:10px;border-top:1px solid #eef2f7;background:#fff}
.search-results-footer[hidden]{display:none}
.load-more-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 16px;border:1px solid #cbd5e1;border-radius:999px;background:#fff;color:#334155;font-weight:700}
.load-more-btn:hover{text-decoration:none;background:#eff6ff}
.selected-track-item{gap:8px}
.selected-track-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.selected-track-item .remove-btn{margin-left:0}
.selected-track-item .preview-btn{min-width:62px;padding:5px 10px}
.search-empty,.search-loading{padding:14px 12px;text-align:center;color:#64748b}
@media only screen and (max-width:640px){
  .search-result-item{align-items:flex-start}
  .search-result-actions{width:100%;justify-content:flex-end;margin-top:8px}
  .search-result-item{flex-wrap:wrap}
  .search-result-item .track-info{min-width:calc(100% - 56px)}
  .selected-track-item{flex-wrap:wrap}
  .selected-track-actions{width:100%;justify-content:flex-end}
}

/* ===== test refactor v8 compact mobile create results ===== */
.search-results{max-height:420px}
.search-result-item{display:grid;grid-template-columns:52px minmax(0,1fr) auto;align-items:center;column-gap:10px;padding:10px 12px;cursor:default}
.search-result-item img{width:52px;height:52px;margin-right:0}
.search-result-item .track-info{min-width:0}
.search-result-actions{display:grid;grid-auto-flow:row;gap:6px;justify-items:end}
.preview-btn,.search-result-item .add-btn{min-width:76px;min-height:34px;padding:6px 10px;font-size:12px}
.selected-track-item{display:grid;grid-template-columns:auto auto 36px minmax(0,1fr) auto;align-items:center;column-gap:8px}
.selected-track-item img{margin-right:0}
.selected-track-actions{display:flex;align-items:center;gap:6px;justify-content:flex-end}
.selected-track-item .preview-btn,.selected-track-item .remove-btn{min-height:32px}

@media only screen and (max-width:640px){
  .create-container{margin:10px 8px;padding:16px 14px}
  .search-result-item{grid-template-columns:48px minmax(0,1fr);row-gap:8px;padding:10px}
  .search-result-item img{width:48px;height:48px}
  .search-result-actions{grid-column:1 / -1;display:grid;grid-template-columns:repeat(2,minmax(0,82px));justify-content:end;gap:6px}
  .preview-btn,.search-result-item .add-btn{min-width:0;width:82px;padding:6px 8px}
  .selected-track-item{grid-template-columns:auto auto 34px minmax(0,1fr);row-gap:8px;padding:10px}
  .selected-track-actions{grid-column:1 / -1;justify-content:flex-end}
}

@media only screen and (max-width:420px){
  .search-result-item{grid-template-columns:44px minmax(0,1fr);padding:8px 10px}
  .search-result-item img{width:44px;height:44px}
  .search-result-actions{grid-template-columns:repeat(2,minmax(0,74px))}
  .preview-btn,.search-result-item .add-btn{width:74px;font-size:11px}
}

.cover-picker{margin:22px 0;padding:18px;border:1px solid #dbe3ec;border-radius:16px;background:#f8fbff}
.cover-picker h2{margin:0 0 6px;font-size:18px;color:#10265b}
.cover-choice-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:12px;margin-top:14px}
.cover-choice{display:grid;gap:8px;justify-items:center;padding:10px;border:2px solid transparent;border-radius:16px;background:#fff;box-shadow:0 8px 18px rgba(15,23,42,.05);text-align:center}
.cover-choice img{width:88px;height:88px;border-radius:14px;object-fit:cover;box-shadow:0 6px 14px rgba(15,23,42,.08)}
.cover-choice__label{font-size:12px;line-height:1.45;color:#334155;max-width:100%;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cover-choice.is-selected{border-color:#2b7bf6;background:#eff6ff}
.cover-choice-empty{margin:6px 0 0;color:#64748b;font-size:13px}
@media (max-width:640px){.cover-choice-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.cover-choice img{width:76px;height:76px}}


/* ===== v93: per-question explanation editor ===== */
.selected-track-item{
  display:block!important;
  cursor:grab;
}
.selected-track-main{
  display:grid;
  grid-template-columns:auto auto 36px minmax(0,1fr) auto;
  align-items:center;
  column-gap:8px;
}
.track-explanation-editor{
  grid-column:1 / -1;
  margin:8px 0 2px;
  padding:10px 12px;
  border:1px solid #e2e8f0;
  border-radius:10px;
  background:#fff;
}
.track-explanation-editor label{
  display:block;
  margin-bottom:5px;
  font-size:12px;
  font-weight:800;
  color:#475569;
}
.track-explanation-input{
  width:100%;
  min-height:58px;
  padding:8px 10px;
  border:1px solid #cbd5e1;
  border-radius:8px;
  resize:vertical;
  font-size:13px;
  line-height:1.6;
  box-sizing:border-box;
}
.track-explanation-input:focus{
  outline:none;
  border-color:#2563eb;
  box-shadow:0 0 0 3px rgba(37,99,235,.12);
}
.track-explanation-input:disabled{
  background:#f8fafc;
  color:#94a3b8;
}
@media (max-width: 480px){
  .selected-track-main{
    grid-template-columns:auto auto 34px minmax(0,1fr);
    row-gap:8px;
  }
  .selected-track-actions{
    grid-column:1 / -1;
    justify-content:flex-end;
  }
  .track-explanation-editor{
    padding:9px;
  }
}