/* Twaino Headings Extractor */
.tw-he-app{max-width:1200px;margin:0 auto;padding-top:20px;font-family:inherit;color:#1a1a2e}
.tw-he-app *,.tw-he-app *::before,.tw-he-app *::after{box-sizing:border-box}
.tw-he-input-row{display:flex;gap:8px;margin-bottom:12px}
.tw-he-input{flex:1;height:44px;padding:0 14px;border:1px solid #e5e7eb;border-radius:10px;font-size:14px;color:#1a1a2e;outline:none;transition:border-color .2s;font-family:inherit}
.tw-he-input:focus{border-color:#56aea4;box-shadow:0 0 0 3px rgba(86,174,164,.1)}
.tw-he-btn-primary{height:44px;padding:0 24px;background:#fff;color:#56aea4;font-size:13px;font-weight:600;border:1.5px solid #56aea4;border-radius:20px;cursor:pointer;transition:all .15s;white-space:nowrap;font-family:inherit}
.tw-he-btn-primary:hover{background:#56aea4;color:#fff}
.tw-he-btn-primary:disabled{opacity:.5;cursor:not-allowed}
.tw-he-status{min-height:16px;margin-bottom:8px}
.tw-he-results{margin-bottom:14px}
.tw-he-warnings{margin-bottom:14px}
.tw-he-warning{padding:8px 12px;border-radius:6px;font-size:12px;margin-bottom:6px}
.tw-he-warning-error{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}
.tw-he-warning-warning{background:#fffbeb;color:#ca8a04;border:1px solid #fde68a}
.tw-he-counts{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.tw-he-count-badge{padding:6px 14px;border-radius:8px;font-size:13px;font-weight:600;background:#fff;border:1px solid #e5e7eb}
.tw-he-count-badge span{font-weight:700;color:#56aea4;margin-left:4px}
.tw-he-count-badge.tw-he-count-zero{opacity:.4}
.tw-he-tree{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:16px;overflow-x:auto}
.tw-he-tree-item{display:flex;align-items:flex-start;gap:8px;padding:6px 0;border-bottom:1px solid #f3f4f6;font-size:13px}
.tw-he-tree-item:last-child{border-bottom:none}
.tw-he-tree-indent{flex-shrink:0}
.tw-he-tree-tag{display:inline-block;padding:2px 8px;border-radius:4px;font-weight:700;font-size:11px;color:#fff;min-width:36px;text-align:center;flex-shrink:0}
.tw-he-tag-h1{background:#dc2626;font-size:13px;padding:3px 10px}
.tw-he-tag-h2{background:#f59e0b}
.tw-he-tag-h3{background:#56aea4}
.tw-he-tag-h4{background:#2563eb}
.tw-he-tag-h5{background:#8b5cf6}
.tw-he-tag-h6{background:#6b7280}
.tw-he-tree-text{flex:1;color:#1a1a2e;line-height:1.5}
/* Alert */
.tw-he-alert{padding:8px 12px;border-radius:6px;font-size:12px;margin:6px 0 0}
.tw-he-alert-error{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}
.tw-he-loading{display:flex;align-items:center;gap:6px;padding:6px 0;color:#6b7280;font-size:12px}
.tw-he-spinner{width:16px;height:16px;border:2px solid #e5e7eb;border-top-color:#56aea4;border-radius:50%;animation:tw-he-spin .6s linear infinite}
@keyframes tw-he-spin{to{transform:rotate(360deg)}}
/* Article toggle */
.tw-he-article-toggle{margin-bottom:12px}
.tw-he-toggle-btn{display:flex;align-items:center;gap:8px;width:100%;padding:12px 16px;background:#fff;border:1.5px solid #56aea4;border-radius:10px;cursor:pointer;font-size:14px;font-weight:600;color:#56aea4;font-family:inherit;transition:all .15s;text-align:left}
.tw-he-toggle-btn:hover{background:#f0fdf8}
.tw-he-toggle-chevron{transition:transform .25s ease;flex-shrink:0;color:#56aea4}
.tw-he-toggle-btn.tw-he-toggle-open .tw-he-toggle-chevron{transform:rotate(180deg)}
.tw-he-h1{font-size:14px;font-weight:600;margin:0;padding:0;color:inherit;font-family:inherit;line-height:1.4}
@media(max-width:500px){.tw-he-input-row{flex-direction:column}.tw-he-btn-primary{width:100%}}
/* Export buttons */
.tw-he-export{display:flex;gap:8px;margin-top:12px;justify-content:flex-end}
.tw-he-btn-export{padding:8px 20px;font-size:13px;font-weight:600;color:#56aea4;background:#fff;border:1.5px solid #56aea4;border-radius:20px;cursor:pointer;transition:all .15s;font-family:inherit}
.tw-he-btn-export:hover{background:#56aea4;color:#fff}