.ttvd-wrap{max-width:760px;margin:40px auto;padding:16px;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.ttvd-card{background:#fff;border:1px solid #e8e8e8;border-radius:24px;padding:32px;box-shadow:0 15px 50px rgba(0,0,0,.08)}
.ttvd-icon{width:52px;height:52px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#111;color:#fff;font-size:22px;margin-bottom:14px}
.ttvd-card h2{margin:0 0 8px;font-size:30px;line-height:1.15;color:#111}
.ttvd-subtitle{margin:0 0 24px;color:#666}
.ttvd-card label{display:block;font-weight:700;margin-bottom:8px;color:#222}
.ttvd-input-row{display:flex;gap:10px}
#ttvd-url{flex:1;min-width:0;padding:15px 16px;border:1px solid #d8d8d8;border-radius:12px;font-size:15px;outline:none}
#ttvd-url:focus{border-color:#111;box-shadow:0 0 0 3px rgba(0,0,0,.07)}
#ttvd-submit,.ttvd-download{border:0;border-radius:12px;background:#111;color:#fff;padding:15px 20px;font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
#ttvd-submit:disabled{opacity:.6;cursor:wait}
.ttvd-status{margin-top:16px;min-height:22px;color:#555}
.ttvd-result{margin-top:24px;border-top:1px solid #eee;padding-top:24px}
.ttvd-preview{background:#f4f4f4;border-radius:16px;overflow:hidden;max-height:620px;text-align:center}
.ttvd-preview img,.ttvd-preview video{display:block;max-width:100%;width:100%;max-height:620px;object-fit:contain;margin:auto}
#ttvd-title{font-size:18px;margin:18px 0}
.ttvd-download{width:100%;box-sizing:border-box}
.ttvd-note{font-size:12px;color:#888;margin:20px 0 0;line-height:1.5}
@media(max-width:620px){.ttvd-card{padding:22px;border-radius:18px}.ttvd-card h2{font-size:25px}.ttvd-input-row{flex-direction:column}#ttvd-submit{width:100%}}