.mhub-thumbnail-controls{margin-top:12px;padding:12px 16px;text-align:center;border-top:1px solid #e5e7eb;background:linear-gradient(to bottom,#fafafa 0%,#f5f5f5 100%);border-radius:0 0 8px 8px;display:flex;gap:8px;justify-content:center;align-items:center;flex-wrap:wrap}.mhub-upload-thumbnail-btn,.mhub-remove-thumbnail-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;margin:0;font-size:14px;line-height:1.4;font-weight:600;border:2px solid transparent;border-radius:6px;background:#2563eb;color:#fff;text-decoration:none;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);position:relative;overflow:hidden;min-width:160px;white-space:nowrap}.mhub-upload-thumbnail-btn:before,.mhub-remove-thumbnail-btn:before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(to bottom,rgba(255,255,255,.1) 0%,rgba(255,255,255,0) 100%);pointer-events:none}.mhub-upload-thumbnail-btn:hover,.mhub-remove-thumbnail-btn:hover{background:#1d4ed8;transform:translateY(-1px);box-shadow:0 4px 6px rgba(0,0,0,.1),0 2px 4px rgba(0,0,0,.06);color:#fff}.mhub-upload-thumbnail-btn:active,.mhub-remove-thumbnail-btn:active{transform:translateY(0);box-shadow:0 1px 2px rgba(0,0,0,.1)}.mhub-upload-thumbnail-btn:focus,.mhub-remove-thumbnail-btn:focus{outline:none;border-color:#60a5fa;box-shadow:0 0 0 3px rgba(37,99,235,.2),0 1px 3px rgba(0,0,0,.1)}.mhub-upload-thumbnail-btn.loading,.mhub-remove-thumbnail-btn.loading{opacity:.7;cursor:not-allowed;position:relative;padding-right:42px}.mhub-upload-thumbnail-btn.loading:after,.mhub-remove-thumbnail-btn.loading:after{content:'';position:absolute;top:50%;right:14px;width:16px;height:16px;margin-top:-8px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:mhub-spinner .6s linear infinite}@keyframes mhub-spinner{to{transform:rotate(360deg)}}.mhub-remove-thumbnail-btn{background:#ef4444;border-color:transparent}.mhub-remove-thumbnail-btn:hover{background:#dc2626;border-color:transparent}.mhub-remove-thumbnail-btn:focus{border-color:#fca5a5;box-shadow:0 0 0 3px rgba(239,68,68,.2),0 1px 3px rgba(0,0,0,.1)}.has-custom-thumbnail .mhub-upload-thumbnail-btn{background:#10b981;border-color:transparent}.has-custom-thumbnail .mhub-upload-thumbnail-btn:hover{background:#059669;border-color:transparent}.has-custom-thumbnail .mhub-upload-thumbnail-btn:before{content:'✓';display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;margin-right:4px;background:rgba(255,255,255,.2);border-radius:50%;font-size:12px;font-weight:700}.mhub-upload-thumbnail-btn svg,.mhub-remove-thumbnail-btn svg{width:16px;height:16px;fill:currentColor}.mhub-thumbnail-notice{position:fixed;top:32px;right:20px;z-index:999999;padding:16px 48px 16px 20px;border-left:4px solid;background:#fff;box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);font-size:14px;line-height:1.6;max-width:420px;border-radius:8px;animation:mhub-slide-in .3s cubic-bezier(.4,0,.2,1)}@keyframes mhub-slide-in{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}.mhub-thumbnail-notice-success{border-left-color:#10b981;background:linear-gradient(to right,#ecfdf5 0%,#fff 100%)}.mhub-thumbnail-notice-error{border-left-color:#ef4444;background:linear-gradient(to right,#fef2f2 0%,#fff 100%)}.mhub-thumbnail-notice-close{position:absolute;top:12px;right:12px;width:28px;height:28px;padding:0;border:none;background:rgba(0,0,0,.05);color:#6b7280;font-size:20px;line-height:1;cursor:pointer;border-radius:6px;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.mhub-thumbnail-notice-close:hover{background:rgba(0,0,0,.1);color:#111827}.mhub-thumbnail-notice-close:focus{outline:none;box-shadow:0 0 0 2px rgba(59,130,246,.5)}.mhub-recording-card-wrapper{position:relative;border-radius:8px;overflow:hidden;transition:all .3s ease}.mhub-recording-card-wrapper:hover{box-shadow:0 4px 12px rgba(0,0,0,.1)}.mhub-recording-card-wrapper .mhub-recording-card{border-radius:8px 8px 0 0}.mhub-recording-card-wrapper .mhub-featured-card{border-radius:8px 8px 0 0}.mhub-recording-card-wrapper .mhub-archive-sidebar-item{border-radius:8px 8px 0 0}.mhub-recording-card-wrapper .mhub-thumbnail-controls{border-radius:0 0 8px 8px}@media screen and (max-width:768px){.mhub-thumbnail-controls{padding:10px 12px;flex-direction:column;gap:6px}.mhub-upload-thumbnail-btn,.mhub-remove-thumbnail-btn{width:100%;justify-content:center}.mhub-thumbnail-notice{top:10px;right:10px;left:10px;max-width:none}}@media screen and (max-width:600px){.mhub-thumbnail-notice{font-size:13px;padding:14px 42px 14px 16px}.mhub-upload-thumbnail-btn,.mhub-remove-thumbnail-btn{padding:9px 16px;font-size:13px}}body:not(.logged-in) .mhub-thumbnail-controls{display:none}.mhub-upload-thumbnail-btn:focus-visible,.mhub-remove-thumbnail-btn:focus-visible{outline:2px solid #2271b1;outline-offset:2px}@media (prefers-contrast:high){.mhub-upload-thumbnail-btn,.mhub-remove-thumbnail-btn{border-width:2px}.mhub-thumbnail-notice{border-left-width:6px}}@media (prefers-reduced-motion:reduce){.mhub-upload-thumbnail-btn,.mhub-remove-thumbnail-btn{transition:none}@keyframes mhub-spinner{to{transform:rotate(360deg)}}}