:root{--bg: #0b0d12;--panel: rgba(255, 255, 255, .05);--panel-border: rgba(255, 255, 255, .08);--text: rgba(255, 255, 255, .92);--muted: rgba(255, 255, 255, .62);--accent: #ffb454;--accent-2: #ff6a7a;--shadow: 0 16px 60px rgba(0, 0, 0, .55);--ring: 0 0 0 3px rgba(255, 180, 84, .25)}*,*:before,*:after{box-sizing:border-box}button{font:inherit;color:inherit;letter-spacing:inherit;background:none;border:none;padding:0}html{scroll-behavior:smooth}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,Noto Sans,Liberation Sans,sans-serif;background:radial-gradient(1200px 600px at 20% 10%,rgba(255,180,84,.16),transparent 60%),radial-gradient(1000px 600px at 85% 15%,rgba(255,106,122,.12),transparent 60%),var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:.2em}.container{width:min(1024px,calc(100% - 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ease;box-sizing:border-box;font-family:inherit}.input:focus{outline:none;border-color:#ffb45459;background:#ffffff0d;box-shadow:var(--ring)}.input::-moz-placeholder{color:var(--muted)}.input::placeholder{color:var(--muted)}.input-group{display:flex;gap:12px;flex-wrap:wrap;align-items:stretch}.input-group .button{flex-shrink:0;white-space:nowrap;min-width:120px}.select{padding:12px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.1);background:#ffffff08;color:var(--text);font-size:.95rem;cursor:pointer;transition:border-color .18s ease,background .18s ease;font-family:inherit;min-height:44px}.select:focus{outline:none;border-color:#ffb45459;background:#ffffff0d;box-shadow:var(--ring)}.select 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32px}.hero-title{font-size:clamp(1.75rem,8vw,2.5rem)}.hero-subtitle{font-size:.95rem}.section{padding:32px 0}.input-group{flex-direction:column}.input{min-width:100%;width:100%}.input-group .button{width:100%;min-width:100%}.grid{grid-template-columns:1fr}.card{padding:16px}}.youtube-downloader{display:flex;flex-direction:column;gap:16px}.youtube-input-group{display:flex;gap:12px;flex-wrap:wrap;align-items:stretch}.youtube-input{flex:1;min-width:300px;padding:12px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.1);background:#ffffff08;color:var(--text);font-size:.95rem;font-weight:400;line-height:1.5;height:auto;min-height:44px;transition:border-color .18s ease,background .18s ease;box-sizing:border-box}.youtube-input-group 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rgba(255,255,255,.1);background:#ffffff08;color:var(--text);font-size:.95rem;cursor:pointer;transition:border-color .18s ease,background .18s ease}.youtube-format-select:focus{outline:none;border-color:#ffb45459;background:#ffffff0d;box-shadow:var(--ring)}.youtube-format-select option{background:var(--bg);color:var(--text)}.youtube-status{display:flex;flex-direction:column;gap:8px}.youtube-progress-container{display:flex;align-items:center;gap:12px}.youtube-progress-bar{flex:1;height:8px;background:#ffffff14;border-radius:4px;overflow:hidden}.youtube-progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:4px;transition:width .3s ease;width:0%}.youtube-progress-text{font-size:.9rem;font-weight:650;color:var(--text);min-width:45px;text-align:right}.youtube-status-text{margin:0;font-size:.9rem;color:var(--muted)}.youtube-error{padding:12px 16px;background:#ff6a7a26;border:1px solid rgba(255,106,122,.3);border-radius:12px;color:var(--accent-2);font-size:.9rem}@media(max-width:720px){.youtube-video-info{flex-direction:column}.youtube-thumbnail{width:100%;height:auto;aspect-ratio:16/9}.youtube-input-group{flex-direction:column}.youtube-input{min-width:100%;width:100%}.youtube-input-group .button{width:100%;min-width:100%}}:focus-visible{outline:none;box-shadow:var(--ring);border-radius:12px}