*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#08080f;--surface:#111118;--card:#17171f;--border:#252530;
  --accent:#e8445a;--accent2:#f07840;--text:#eeeef5;--muted:#666678;
  --success:#00c896;--r:14px;
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'DM Sans',sans-serif;min-height:100vh;overflow-x:hidden}

/* noise */
body::after{content:'';position:fixed;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");pointer-events:none;z-index:0}

.orb{position:fixed;border-radius:50%;filter:blur(130px);pointer-events:none;z-index:0}
.orb1{width:550px;height:550px;background:rgba(232,68,90,.1);top:-150px;right:-150px}
.orb2{width:400px;height:400px;background:rgba(240,120,64,.07);bottom:-80px;left:-120px}

/* NAV */
nav{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:18px 40px;border-bottom:1px solid var(--border);backdrop-filter:blur(16px);background:rgba(8,8,15,.75)}
.logo{font-family:'Syne',sans-serif;font-weight:800;font-size:1.35rem;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-decoration:none}
.logo span{-webkit-text-fill-color:var(--text)}
nav ul{list-style:none;display:flex;gap:28px}
nav ul a{color:var(--muted);text-decoration:none;font-size:.875rem;font-weight:500;transition:color .2s}
nav ul a:hover{color:var(--text)}

/* HERO */
main{position:relative;z-index:10}
.hero{text-align:center;padding:72px 20px 40px;max-width:800px;margin:0 auto}
.badge{display:inline-flex;align-items:center;gap:7px;background:rgba(232,68,90,.1);border:1px solid rgba(232,68,90,.28);border-radius:100px;padding:5px 15px;font-size:.76rem;color:var(--accent);margin-bottom:22px}
.dot{width:6px;height:6px;background:var(--accent);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.75)}}
h1{font-family:'Syne',sans-serif;font-size:clamp(2rem,5.5vw,4.2rem);font-weight:800;line-height:1.06;letter-spacing:-.025em;margin-bottom:16px}
.grad{background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.subtitle{color:var(--muted);font-size:1rem;max-width:500px;margin:0 auto 44px;line-height:1.65;font-weight:300}

/* SEARCH CARD */
.search-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:20px;margin-bottom:28px;text-align:left}
.url-row{display:flex;gap:10px;margin-bottom:14px}
.url-field{flex:1;display:flex;align-items:center;gap:10px;background:var(--surface);border:1.5px solid var(--border);border-radius:12px;padding:0 14px;transition:border-color .25s,box-shadow .25s;min-width:0}
.url-field:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,68,90,.12)}
.url-icon{flex-shrink:0;color:var(--muted)}
#urlInput{flex:1;padding:16px 0;background:none;border:none;outline:none;color:var(--text);font-family:'DM Sans',sans-serif;font-size:.9rem;min-width:0}
#urlInput::placeholder{color:var(--muted)}
.clear-btn{display:none;background:none;border:none;color:var(--muted);cursor:pointer;font-size:.8rem;padding:4px;border-radius:50%;transition:color .2s,background .2s}
.clear-btn:hover{color:var(--text);background:rgba(255,255,255,.06)}
.clear-btn.show{display:flex;align-items:center;justify-content:center;width:22px;height:22px}
.paste-btn{display:flex;align-items:center;gap:6px;padding:0 18px;background:var(--surface);border:1.5px solid var(--border);border-radius:12px;color:var(--muted);cursor:pointer;font-size:.82rem;font-family:'DM Sans',sans-serif;font-weight:500;white-space:nowrap;transition:color .2s,border-color .2s;flex-shrink:0}
.paste-btn:hover{color:var(--text);border-color:var(--border)}

.analyze-btn{width:100%;padding:15px;background:linear-gradient(135deg,var(--accent),var(--accent2));border:none;border-radius:12px;color:#fff;font-family:'Syne',sans-serif;font-size:.95rem;font-weight:700;letter-spacing:.02em;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:opacity .2s,transform .15s,box-shadow .3s;box-shadow:0 4px 28px rgba(232,68,90,.22)}
.analyze-btn:hover:not(:disabled){opacity:.9;transform:translateY(-1px);box-shadow:0 8px 36px rgba(232,68,90,.3)}
.analyze-btn:active:not(:disabled){transform:translateY(1px)}
.analyze-btn:disabled{opacity:.55;cursor:not-allowed}

.error-bar{display:none;align-items:center;gap:8px;margin-top:12px;padding:11px 14px;background:rgba(232,68,90,.08);border:1px solid rgba(232,68,90,.2);border-radius:10px;color:var(--accent);font-size:.84rem}
.error-bar.show{display:flex}

/* RESULT PANEL */
.result-panel{display:none;background:var(--card);border:1px solid var(--border);border-radius:20px;overflow:hidden;text-align:left;animation:fadeUp .35s ease}
.result-panel.show{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}

.video-preview{display:flex;gap:18px;padding:20px;border-bottom:1px solid var(--border);align-items:flex-start}
.thumb-wrap{position:relative;flex-shrink:0;width:140px;height:88px;border-radius:10px;overflow:hidden;background:var(--surface)}
#vidThumb{width:100%;height:100%;object-fit:cover;display:block}
.thumb-fallback{display:none;width:100%;height:100%;align-items:center;justify-content:center;font-size:2rem}
.quality-pill{position:absolute;bottom:6px;right:6px;background:rgba(0,0,0,.75);color:#fff;font-family:'Syne',sans-serif;font-size:.65rem;font-weight:700;padding:2px 7px;border-radius:5px}
.video-meta{flex:1;min-width:0;padding-top:2px}
.vid-platform{display:flex;align-items:center;gap:6px;font-size:.76rem;color:var(--muted);margin-bottom:7px}
.vid-title{font-family:'Syne',sans-serif;font-weight:700;font-size:.95rem;line-height:1.35;margin-bottom:7px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vid-duration{font-size:.78rem;color:var(--muted)}

/* FORMATS */
.formats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;padding:18px}
.fmt-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:14px 10px;background:var(--surface);border:1.5px solid var(--border);border-radius:12px;cursor:pointer;transition:border-color .2s,transform .15s,background .2s;text-align:center}
.fmt-btn:hover{border-color:var(--accent);background:rgba(232,68,90,.05);transform:translateY(-2px)}
.fmt-btn:active{transform:translateY(0)}
.fmt-btn.downloading{border-color:var(--accent);background:rgba(232,68,90,.08)}
.fmt-btn.done{border-color:var(--success);background:rgba(0,200,150,.06)}
.fmt-quality{font-family:'Syne',sans-serif;font-weight:800;font-size:1.05rem}
.q-4k{color:var(--accent2)}
.q-fhd{color:var(--success)}
.q-hd{color:var(--accent)}
.q-sd,.q-mp3{color:var(--muted)}
.fmt-label{font-size:.72rem;color:var(--muted);font-weight:500}
.fmt-icon{font-size:.9rem}
.fmt-status{font-size:.7rem;font-weight:600;font-family:'Syne',sans-serif}

/* PLATFORMS */
.platforms-section{text-align:center;padding:50px 20px;border-top:1px solid var(--border);position:relative;z-index:10}
.section-label{color:var(--muted);font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:18px}
.plat-list{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;max-width:700px;margin:0 auto}
.plat-chip{display:flex;align-items:center;gap:6px;padding:7px 16px;border:1px solid var(--border);border-radius:100px;font-size:.8rem;color:var(--muted);background:var(--surface);transition:border-color .2s,color .2s}
.plat-chip:hover{border-color:var(--accent);color:var(--text)}
.plat-chip.muted{opacity:.5}

/* FEATURES */
.features-section{padding:50px 20px 70px;position:relative;z-index:10}
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;max-width:900px;margin:0 auto}
.feat-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;transition:border-color .3s,transform .2s}
.feat-card:hover{border-color:rgba(232,68,90,.4);transform:translateY(-3px)}
.feat-icon{font-size:1.7rem;margin-bottom:12px}
.feat-title{font-family:'Syne',sans-serif;font-weight:700;font-size:.9rem;margin-bottom:7px}
.feat-desc{color:var(--muted);font-size:.81rem;line-height:1.55}

/* FOOTER */
footer{position:relative;z-index:10;text-align:center;padding:22px;border-top:1px solid var(--border);color:var(--muted);font-size:.79rem;display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}
.footer-logo{font-family:'Syne',sans-serif;font-weight:700;color:var(--text)}
.footer-sep{opacity:.3}

/* SPINNER */
@keyframes spin{to{transform:rotate(360deg)}}
.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}

@media(max-width:600px){
  nav{padding:14px 18px}
  nav ul{display:none}
  .hero{padding:48px 16px 28px}
  .url-row{flex-direction:column}
  .paste-btn{justify-content:center;padding:14px}
  .video-preview{flex-direction:column}
  .thumb-wrap{width:100%;height:180px}
  .formats-grid{grid-template-columns:repeat(3,1fr)}
}