:root{--primary: #3E57DA;--primary-hover: #2A42B8;--text: #0D0F2C;--text-secondary: #5A6B7D;--bg: #F8FAFC;--card-bg: #FFFFFF;--border: #E2E8F0;--success: #10B981;--error: #EF4444;--radius: 12px;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:DM Sans,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:2rem}.login-card{max-width:400px;margin:15vh auto;background:var(--card-bg);padding:3rem;border-radius:var(--radius);box-shadow:var(--shadow);text-align:center}.login-card h1{font-size:1.75rem;margin-bottom:.5rem}.subtitle{color:var(--text-secondary);margin-bottom:2rem}input[type=password],input[type=text]{width:100%;padding:.875rem 1rem;border:1px solid var(--border);border-radius:8px;font-size:1rem;margin-bottom:1rem;transition:border-color .2s}input:focus{outline:none;border-color:var(--primary)}button{background:var(--primary);color:#fff;border:none;padding:.875rem 1.5rem;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:background .2s}button:hover:not(:disabled){background:var(--primary-hover)}button:disabled{opacity:.6;cursor:not-allowed}.error{color:var(--error);font-size:.875rem;margin-bottom:1rem}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}header h1{font-size:1.5rem}.logout{background:transparent;color:var(--text-secondary);padding:.5rem 1rem;font-size:.875rem}.logout:hover{background:var(--border);color:var(--text)}.tabs{display:flex;gap:.5rem;margin-bottom:1.5rem;border-bottom:1px solid var(--border);padding-bottom:.5rem}.tab{background:transparent;color:var(--text-secondary);padding:.5rem 1rem;font-size:.875rem;border-radius:6px}.tab:hover{background:var(--bg);color:var(--text)}.tab.active{background:var(--primary);color:#fff}.search-bar{margin-bottom:1.5rem}.search-bar input{width:100%;max-width:400px;padding:.75rem 1rem;border:1px solid var(--border);border-radius:8px;font-size:.875rem}.search-bar input:focus{outline:none;border-color:var(--primary)}.empty-state{text-align:center;padding:4rem 2rem;color:var(--text-secondary);font-size:1rem}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem}.video-card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);position:relative}.video-thumbnail{width:100%;aspect-ratio:16 / 9;background:var(--bg);overflow:hidden}.video-thumbnail img{width:100%;height:100%;object-fit:cover}.video-content{padding:1rem;display:flex;justify-content:space-between;align-items:flex-start}.video-info h3{font-size:1rem;font-weight:600;margin-bottom:.25rem;word-break:break-word}.video-id{font-size:.75rem;color:var(--text-secondary);font-family:monospace}.video-actions{position:relative}.kebab{background:transparent;color:var(--text-secondary);padding:.5rem;font-size:1.25rem;line-height:1;border-radius:6px}.kebab:hover{background:var(--bg)}.export-menu{position:absolute;top:100%;right:0;background:var(--card-bg);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);padding:.5rem;min-width:180px;z-index:10}.export-menu button{width:100%;background:transparent;color:var(--text);text-align:left;padding:.625rem .75rem;font-size:.875rem;border-radius:6px}.export-menu button:hover{background:var(--bg)}.checkbox-label{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;font-size:.875rem;color:var(--text-secondary);border-bottom:1px solid var(--border);margin-bottom:.25rem}.checkbox-label input{width:auto;margin:0}.loader{text-align:center;padding:2rem;color:var(--text-secondary)}.load-more{display:block;margin:2rem auto;background:transparent;color:var(--primary);border:1px solid var(--primary)}.load-more:hover{background:var(--primary);color:#fff}.queue{position:fixed;bottom:1.5rem;right:1.5rem;background:var(--card-bg);border-radius:var(--radius);box-shadow:0 10px 25px #00000026;padding:1rem;min-width:280px;max-width:360px;max-height:400px;overflow-y:auto}.queue h2{font-size:.875rem;font-weight:600;margin-bottom:.75rem;color:var(--text-secondary)}.queue-item{padding:.75rem;border-radius:8px;background:var(--bg);margin-bottom:.5rem}.queue-item:last-child{margin-bottom:0}.queue-title{display:block;font-size:.875rem;font-weight:500;margin-bottom:.25rem}.queue-status{font-size:.75rem;color:var(--text-secondary)}.queue-item.done .queue-status{color:var(--success)}.queue-item.error .queue-status{color:var(--error)}.download-link{display:inline-block;margin-top:.5rem;font-size:.75rem;color:var(--primary);text-decoration:none}.download-link:hover{text-decoration:underline}