*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--brand-green: #16a34a;--brand-green-light: #22c55e;--brand-green-dim: rgba(22, 163, 74, .15);--brand-green-glow: rgba(34, 197, 94, .3);--bg-root: #050505;--bg-card: #0f0f0f;--bg-card-hover: #141414;--bg-input: #111111;--bg-modal: #0c0c0c;--border: rgba(255,255,255,.07);--border-strong: rgba(255,255,255,.12);--border-focus: rgba(22, 163, 74, .6);--text-primary: #f5f5f5;--text-secondary: #a3a3a3;--text-muted: #525252;--text-green: #4ade80;--status-queued: #a3a3a3;--status-running: #60a5fa;--status-completed: #4ade80;--status-failed: #f87171;--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--r-xl: 20px;--r-full: 9999px;--shadow-glow: 0 0 40px rgba(22, 163, 74, .08);--shadow-card: 0 1px 3px rgba(0,0,0,.4), 0 4px 16px 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h1{font-size:clamp(28px,5vw,40px);font-weight:700;line-height:1.2;margin-bottom:12px;background:linear-gradient(180deg,#fff,#a3a3a3);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-desc{color:var(--text-secondary);font-size:15px;max-width:480px;margin:0 auto;line-height:1.7}.input-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-xl);padding:24px;margin-bottom:12px;box-shadow:var(--shadow-card);transition:border-color .2s}.input-card:focus-within{border-color:var(--border-focus);box-shadow:var(--shadow-card),0 0 0 1px #16a34a26}.url-input-wrap{display:flex;gap:10px;margin-bottom:16px}.url-input{flex:1;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--r-md);padding:12px 16px;color:var(--text-primary);font-family:inherit;font-size:14px;outline:none;transition:border-color 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var(--border);border-radius:var(--r-lg);padding:16px;margin-bottom:8px;transition:border-color .2s;animation:fadeInUp .3s ease}.job-card:hover{border-color:var(--border-strong)}.job-header{display:flex;align-items:flex-start;gap:12px;margin-bottom:10px}.job-status-dot{width:8px;height:8px;border-radius:var(--r-full);flex-shrink:0;margin-top:5px}.job-status-dot.queued{background:var(--status-queued)}.job-status-dot.running{background:var(--status-running);animation:pulse 1.5s 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fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.footer-link-btn{background:none;border:none;font-family:inherit;font-size:12px;color:var(--text-muted);cursor:pointer;padding:0;transition:color .15s}.footer-link-btn:hover{color:var(--text-secondary)}.supported-hint{font-size:11px;color:var(--text-muted);align-self:center}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:20px;z-index:1000;animation:fadeIn .2s ease-out}.modal-content{background:var(--bg-card);border:1px solid var(--border-strong);border-radius:var(--r-xl);max-width:560px;width:100%;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 20px 40px #0009;animation:fadeInUp .25s cubic-bezier(.16,1,.3,1)}.modal-header{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-header h3{font-size:16px;font-weight:600;color:var(--text-primary)}.modal-body{padding:24px;overflow-y:auto;font-size:14px;color:var(--text-secondary);line-height:1.7}.modal-body p{margin-bottom:12px}.modal-body p:last-child{margin-bottom:0}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end}@media (max-width: 600px){.hero h1{font-size:28px}.url-input-wrap,.media-preview{flex-direction:column}.media-thumb{width:100%;height:120px}.download-actions{flex-direction:column}.download-actions .btn{width:100%}.header-nav{display:flex;gap:4px}.header-nav a{display:none}.footer-inner{flex-direction:column;text-align:center}.modal-content{max-height:90vh}}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:var(--bg-root)}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:2px}