@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;650;700;800&display=swap');
:root{color-scheme:light;--ink:#17213c;--blue:#2b53ef;--muted:#64708b;--line:#e0e5ef}*{box-sizing:border-box}body{margin:0;background:#f7f9fd;color:var(--ink);font-family:'DM Sans',sans-serif;font-size:16px}header{height:104px;max-width:1240px;margin:auto;padding:0 48px;display:flex;align-items:center;justify-content:space-between}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button,a,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #7799ff;outline-offset:5px}.brand{font:800 23px Manrope,sans-serif;letter-spacing:-1px;display:flex;align-items:center}.brand-dot{color:var(--blue)}.mark{background:var(--blue);color:white;width:33px;height:33px;border-radius:10px;font-size:16px;display:grid;place-items:center;margin-right:10px;padding-left:2px}.help-link{font-size:14px;font-weight:500}.help-link span{margin-left:14px;color:var(--blue)}main{max-width:1000px;margin:38px auto 0;padding:0 24px}.eyebrow{text-align:center;font-size:12px;font-weight:700;letter-spacing:2.2px;color:#596887}.tiny-play{color:var(--blue);margin-right:8px;font-size:10px}h1{text-align:center;font:800 clamp(44px,6.5vw,76px)/1.08 Manrope,sans-serif;letter-spacing:-3.5px;margin:23px 0 22px}h1 span{color:var(--blue)}.intro{text-align:center;color:var(--muted);font-size:17px;margin:0 0 36px}.workspace{max-width:600px;margin:auto;background:white;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:0 16px 50px -28px #4e68a880}.workspace-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.tool-label{font-size:11px;font-weight:700;letter-spacing:1.6px;color:var(--muted)}.preview-badge{color:#526181;background:#f0f3f9;border-radius:20px;padding:5px 10px;font-size:12px}label{font-size:14px;font-weight:600;display:block;margin-bottom:10px}.input-row{display:flex;align-items:center;border:1px solid #d4dce9;border-radius:10px;background:#fbfcff;padding:0 12px;height:58px;gap:10px}.input-row:focus-within{outline:3px solid #e0e7ff;border-color:var(--blue)}.link-symbol{color:#929bb0;font-size:24px}input{border:0;outline:0;background:transparent;min-width:0;flex:1;width:100%;color:var(--ink);font-size:16px}input::placeholder{color:#919aaf}.paste{font-size:13px;border:1px solid var(--line);background:white;border-radius:6px;color:#556380;padding:5px 9px}.primary{border:0;width:100%;background:var(--blue);border-radius:10px;color:white;font-weight:600;height:54px;margin-top:12px;display:flex;align-items:center;justify-content:center;gap:18px;transition:background .15s,transform .15s}.primary:hover{background:#1b40d7;transform:translateY(-1px)}.primary span{font-size:22px}#status{font-size:13px;line-height:1.6;color:#72809a;text-align:center;margin:15px 0 20px}#status.error{color:#97411c}.try-row{border-top:1px solid #eef0f6;padding-top:18px;display:flex;justify-content:center;flex-wrap:wrap;gap:8px;font-size:14px;color:#75809a}.try-row button{background:none;border:0;padding:0;color:var(--blue);font-size:14px;font-weight:600}.platforms{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:23px;font-size:13px;color:#78839c;margin:25px 0 52px}.platforms>span{display:flex;align-items:center;gap:7px}.platforms>span:first-child{font-size:12px;color:#959eb1}.platforms b{font-size:16px;color:#6c7893}.fb{font-family:Arial}.yt{font-size:12px!important}.ig{font-size:22px!important}.how{display:grid;grid-template-columns:repeat(3,1fr);max-width:840px;margin:auto;padding:36px 0 45px;border-top:1px solid var(--line);gap:28px}.step{font-size:12px;font-weight:600;color:var(--blue);background:#eaf0ff;padding:5px 8px;border-radius:5px}h2{font:700 19px Manrope,sans-serif;letter-spacing:-.5px}.how p{font-size:14px;line-height:1.8;color:var(--muted);margin-bottom:0}.help{max-width:600px;margin:20px auto 65px}.help h2{margin-bottom:24px}.help details{border-bottom:1px solid var(--line);padding:17px 0}.help summary{font-size:14px;font-weight:500;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:15px}.help summary:after{content:'+';color:#8c97ad;font-size:18px}.help details[open] summary:after{content:'−'}.help p{font-size:14px;line-height:1.8;color:var(--muted);margin-bottom:0}footer{border-top:1px solid var(--line);max-width:1144px;margin:auto;padding:25px 0 30px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#8a94a9;font-size:12px}footer span:first-child{color:#5d6a83;font-weight:600}#result{border-top:1px solid var(--line);margin-top:24px;padding-top:18px}.result-top{display:flex;align-items:center;justify-content:space-between;font-size:11px;letter-spacing:1.5px;color:var(--muted)}#close{background:none;border:0;color:var(--muted);font-size:24px}video{width:100%;aspect-ratio:16/9;background:#17213c;border-radius:10px;display:block;margin:12px 0 16px}.video-caption{display:flex;flex-direction:column;gap:7px}.video-caption span{font-size:13px;color:var(--muted)}.save-note{font-size:13px;color:var(--muted);line-height:1.7} [hidden]{display:none!important}@media(max-width:650px){header{height:82px;padding:0 22px}.brand{font-size:20px}.mark{width:29px;height:29px}.help-link{font-size:13px}.help-link span{display:none}main{margin-top:28px;padding:0 20px}h1{letter-spacing:-2px;margin-top:21px}.intro{font-size:15px;max-width:270px;margin:0 auto 28px;line-height:1.6}.workspace{padding:21px;border-radius:17px}.platforms{gap:14px;margin-bottom:35px}.platforms>span:first-child{width:100%;justify-content:center}.how{gap:24px;padding:28px 0;grid-template-columns:1fr}.how article{display:grid;grid-template-columns:34px 1fr;column-gap:12px;align-items:start}.step{margin-top:2px;text-align:center}.how h2{margin:0 0 7px;font-size:17px}.how p{grid-column:2;margin:0}.how br{display:none}.help{margin:15px auto 40px}footer{margin:0 20px;padding:22px 0;flex-direction:column;gap:9px}.eyebrow{font-size:10px;letter-spacing:1.8px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

#quality-row{margin-top:20px}#quality{width:100%;padding:12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font:inherit}.video-caption strong{overflow-wrap:anywhere;line-height:1.5}#video-details{line-height:1.6}video{max-height:480px}button[aria-busy="true"]{opacity:.7}

.brand-group{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.source-badge{display:inline-flex;align-items:center;gap:7px;border-left:1px solid #d4dce9;padding-left:18px;font-size:14px;color:#526181;white-space:nowrap}.source-badge img{filter:invert(34%) sepia(95%) saturate(2900%) hue-rotate(210deg)}.header-actions{display:flex;align-items:center;gap:24px}.language-control{display:flex;align-items:center;gap:5px;margin:0;color:#526181}.language-control select{font:inherit;font-size:14px;color:inherit;border:1px solid transparent;background:transparent;border-radius:6px;padding:8px 2px;max-width:125px;cursor:pointer}.language-control select:focus-visible{outline:3px solid #7799ff}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}html[lang="vi"] h1{font-size:clamp(40px,5.5vw,66px);letter-spacing:-2px;line-height:1.25}html[lang="vi"] .intro{line-height:1.7}html[lang="vi"] .platforms{gap:16px}@media(max-width:800px){header{height:auto;min-height:104px;gap:18px;padding-top:22px;padding-bottom:22px;align-items:flex-start}.brand-group{gap:10px;flex-direction:column;align-items:flex-start}.source-badge{border:0;padding:0;margin-left:43px;font-size:13px}.header-actions{gap:8px;flex-direction:column;align-items:flex-end}.help-link{font-size:13px}.source-badge img{width:15px;height:15px}}@media(max-width:370px){header{padding-left:16px;padding-right:16px;gap:8px}.brand{font-size:18px}.language-control select{font-size:13px;max-width:95px}.source-badge{margin-left:39px}}

.language-links{display:flex;gap:1rem}.language-links a{color:inherit;text-decoration:underline;text-underline-offset:3px}

.source-tabs{display:flex;gap:6px;padding:4px;background:#f0f3f9;border-radius:10px;margin-bottom:20px}.source-tabs button{flex:1;border:0;border-radius:7px;background:transparent;padding:11px 8px;color:var(--muted);font:inherit;font-size:14px}.source-tabs button[aria-pressed="true"]{background:white;color:var(--ink);box-shadow:0 2px 7px #17213c10}#drop-zone{border:2px dashed #d4dce9;border-radius:12px;text-align:center;padding:22px 12px}#drop-zone.dragging{border-color:var(--blue);background:#eef3ff}#drop-zone p:first-child{font-weight:600}#drop-zone .paste{font-size:15px;padding:10px 18px}.result-top .source-badge{border:0;margin:0;padding:0}