/*! @license Custom Non-Commercial | (c) 2026 Nekolive.net | contact@nekolive.net */:root{--bg-primary:#0a0a0a;--bg-secondary:#1a1a1a;--bg-tertiary:#252525;--text-primary:#ffffff;--text-secondary:#a0a0a0;--color-main:#00ff88;--color-main-light:rgba(0, 255, 136, 0.2);--color-main-dark:#00dd77;--border:#2a2a2a;--hover:#252525;--error:#ff3366;--warning:#ffc107;--info:#6edff6;--discord-blue:#5865F2;--discord-blue-hover:#4752C4}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Noto Sans TC',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6}a{color:var(--color-main);text-decoration:none;position:relative;transition:all .3s ease;display:inline-block}a:not(.feedback-button,.discord-button,.back-link,.button):hover{color:var(--color-main)}a:not(.feedback-button,.discord-button,.back-link,.button)::after{content:'';position:absolute;width:100%;height:2px;bottom:-2px;left:0;background:var(--color-main);transform:scaleX(0);transform-origin:right;transition:transform .3s ease}a:not(.feedback-button,.discord-button,.back-link,.button):hover::after{transform:scaleX(1);transform-origin:left}.nav-links a::after,.profile-links a::after,.song-card a::after,.top-nav a::after,.user-card a::after,.user-links a::after{content:none}.nav-links a:hover,.top-nav a:hover{transform:translateX(3px)}.back-link:hover{transform:translateX(-3px)}.song-card a:hover,.user-card a:hover{transform:scale(1.02)}.top-nav{display:flex;align-items:center;padding:1rem 0;margin-bottom:2rem;border-bottom:1px solid var(--border)}.top-nav .back-link{color:var(--text-secondary);transition:color .2s ease}.top-nav .back-link:hover{color:var(--color-main)}.top-nav .nav-link{color:var(--text-primary);padding:.5rem 1rem;border:1px solid var(--border);border-radius:4px;transition:all .2s ease;margin-right:1em}.top-nav .nav-link:hover{border-color:var(--color-main);color:var(--color-main)}.m-0{margin:0}.container{max-width:1200px;margin:0 auto;padding:2rem 1rem}.button,button:not(.discord-button,.toast-close,.clear-btn,.tag-filter,.length-filter){padding:.75rem 1.5rem;background:var(--bg-secondary);border:2px solid var(--border);color:var(--text-primary);cursor:pointer;font-size:1rem;transition:all .2s;display:inline-block;text-decoration:none;border-radius:8px}.button:hover:not(:disabled),button:hover:not(:disabled):not(.discord-button,.clear-btn,.tag-filter,.length-filter){background:var(--color-main);color:var(--bg-primary);border-color:var(--color-main)}.button:disabled,button:disabled{opacity:.5;cursor:not-allowed}.button-primary{background:var(--color-main);color:var(--bg-primary);border-color:var(--color-main)}.button-primary:hover{background:var(--color-main-dark)}input[type=email],input[type=password],input[type=text],input[type=url],textarea{font-family:'Fira Code','Noto Sans TC',sans-serif;width:100%;padding:.75rem 1rem;background:var(--bg-secondary);border:2px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:1rem;transition:border-color .2s,background .2s}input[type=email]:focus,input[type=password]:focus,input[type=text]:focus,input[type=url]:focus,textarea:focus{outline:0;border-color:var(--color-main);background:#1f1f1f}input[type=email]::placeholder,input[type=password]::placeholder,input[type=text]::placeholder,input[type=url]::placeholder,textarea::placeholder{font-family:'Fira Code','Noto Sans TC',sans-serif;color:var(--text-secondary)}textarea{resize:vertical;min-height:100px}.form-group{margin-bottom:1.5rem}.form-group label{font-weight:700;display:block;margin-bottom:.5rem;color:var(--text-secondary);font-size:.9rem}.form-group small{font-size:.85rem}.error-message,.message{padding:1rem;margin-bottom:1rem;border:2px solid var(--border);background:var(--bg-secondary);border-radius:4px}.message.success{border-color:var(--color-main);background:rgba(0,255,136,.1);color:var(--color-main)}.error-message,.message.error{border-color:var(--error);background:rgba(255,51,102,.1);color:var(--error)}.message.warning{border-color:var(--warning);background:rgba(255,193,7,.1);color:var(--warning)}.message.info{border-color:var(--info);background:rgba(110,223,246,.1);color:var(--info)}h1,h2,h3,h4,h5,h6{margin-bottom:1rem;font-weight:500}h1{font-size:2.5rem;color:var(--color-main)}h2{font-size:2rem}h3{font-size:1.5rem}.hidden{display:none!important}.text-center{text-align:center}.text-secondary{color:var(--text-secondary)}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}.header-left{display:flex;align-items:center;gap:.75rem}.header-left img{height:48px;width:48px;border-radius:50%;object-fit:cover;border:2px solid var(--border)}.header-left h2{margin:0;font-size:1.5rem}.header-right{text-align:right;color:var(--text-secondary);font-size:.85rem}.user-info{margin-top:1rem;padding:1.5rem;background:var(--bg-secondary);border:2px solid var(--border);border-radius:8px}.user-info p{margin-bottom:1rem}.search-section{margin-bottom:1.5rem}.search-wrapper{display:flex;margin-bottom:1rem;gap:.5rem;transition:all .5 ease-in-out}.search-wrapper button{text-wrap:nowrap;--color-main:var(--error);font-size:unset}.stats{font-size:.85rem;color:var(--text-secondary)}.song-list{display:grid;gap:.5rem}.song-item{background:var(--bg-secondary);border:2px solid var(--border);border-radius:8px;padding:1rem;margin-bottom:.75rem;transition:all .2s;display:flex;justify-content:space-between;align-items:center;gap:1rem;animation:fadeIn .3s ease-out}.song-item:hover{background:var(--bg-tertiary);border-color:var(--color-main);transform:translateX(4px);box-shadow:0 2px 8px rgba(0,0,0,.1)}.song-info{flex:1;min-width:0;cursor:pointer}.song-name{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:.25rem;word-wrap:break-word}.song-singer{font-size:.9rem;color:var(--text-secondary)}.song-tags{display:flex;flex-wrap:wrap;gap:.4rem;justify-content:flex-end;align-items:center}.tag{display:inline-block;padding:.15rem .5rem;border-radius:3px;font-size:.8rem;font-weight:500;white-space:nowrap;cursor: pointer}.tag-unfamiliar{background:#fff3cd;color:#856404;border:1px solid #ffeeba}.tag-song{color:var(--text-primary);border:1px solid var(--color-main)}.highlight{background:var(--color-main);color:var(--bg-primary);padding:.1rem .25rem;border-radius:2px;font-weight:500}.unfamiliar-badge{display:inline-flex;align-items:center;justify-content:center;background:var(--error);color:#fff;font-size:.7rem;padding:.15rem .5rem;border-radius:3px;letter-spacing:.02em;margin-left:.5rem}.filter-section{background:var(--bg-secondary);border:2px solid var(--border);border-radius:8px;padding:1.25rem;margin-bottom:1.5rem}.filter-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.filter-title{font-size:1rem;font-weight:600;color:var(--text-primary)}.filter-per-section{margin-bottom:1rem}.filter-per-section:last-child{margin-bottom:0}.clear-btn{padding:.4rem .8rem;font-size:.85rem;background:var(--bg-tertiary);color:var(--text-secondary);border:2px solid var(--border);border-radius:4px;cursor:pointer;transition:all .2s}.clear-btn:hover{background:var(--error);color:#fff;border-color:var(--error)}.filter-list,.length-filter-list{display:flex;flex-wrap:wrap;gap:.5rem}.length-filter,.tag-filter{padding:.5rem .9rem;border-radius:3px;font-size:.875rem;font-weight:500;border:2px solid var(--border);background:var(--bg-primary);color:var(--text-primary);cursor:pointer;transition:all .2s;white-space:nowrap}.length-filter:hover,.tag-filter:hover{border-color:var(--color-main);color:var(--text-primary)}.length-filter-selected,.tag-filter-selected{border-color:var(--color-main)!important;color:var(--text-primary)!important}.tag-count{font-size:.8rem;opacity:.8;margin-left:.25rem}.user-links{display:flex;gap:1rem;justify-content:center;margin:1rem 0;flex-wrap:wrap}.user-links a{color:var(--color-main);font-size:.9rem;padding:.5rem 1rem;border:2px solid var(--border);border-radius:4px;transition:all .2s}.user-links a:hover{background:var(--hover);border-color:var(--color-main)}.empty-state{text-align:center;padding:4rem 2rem;color:var(--text-secondary)}.empty-state-icon{font-size:3rem;margin-bottom:1rem;opacity:.3}.empty-state-text{font-size:1.1rem}.pagination{display:flex;justify-content:center;align-items:center;gap:.5rem;margin-top:1.5rem}.pagination button{padding:.5rem 1rem;min-width:2.5rem}.pagination .page-info{font-size:.9rem;color:var(--text-secondary);padding:0 1rem}.feedback-button-container{position:fixed;bottom:24px;right:24px;z-index:50}.feedback-button{display:inline-flex;align-items:center;gap:8px;background-color:var(--color-main);color:#000;font-weight:600;padding:12px 24px;border-radius:9999px;box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);transition:all .2s ease-in-out}.feedback-button:hover{box-shadow:0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04);transform:scale(1.05)}.feedback-icon{width:20px;height:20px}.global-footer,footer{margin-top:4rem;padding:2rem 0;text-align:center;color:var(--text-secondary);border-top:1px solid var(--border)}footer h3{margin-bottom:.5rem;font-size:1.25rem}footer p{margin-bottom:1rem}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes slideDown{from{transform:translateY(0)}to{transform:translateY(100%)}}.floating-save-bar:not(.toggle-hidden){animation:slideUp .3s ease}.button:focus-visible,:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--color-main);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}@media (max-width:768px){.home-container h1{font-size:2rem}.home-container p{font-size:1rem}.header{flex-direction:column;align-items:flex-start}.header-right{text-align:left;width:100%}.actions{flex-direction:column}.actions .button,.actions button{width:100%}.api-key-controls{flex-direction:column}.api-key-controls button{width:100%}.nav-links,.user-links{flex-direction:column}.user-links a{width:100%}.error-code{font-size:5rem}.pagination{font-size:.85rem}.pagination button{padding:.4rem .8rem;min-width:2rem}.pagination .page-info{padding:0 .5rem}.song-item{flex-direction:column;align-items:flex-start}.song-tags{justify-content:flex-start;width:100%}.filter-section{padding:1rem}.filter-header{flex-direction:column;align-items:flex-start;gap:.75rem}.clear-btn{width:100%;text-align:center}}@media (max-width:480px){.container{padding:1rem .5rem}h1{font-size:1.75rem}h2{font-size:1.5rem}.song-item{padding:1rem}.song-name{font-size:1rem}.song-singer{font-size:.85rem}.button,button{padding:.6rem 1.2rem;font-size:.9rem}input[type=text],input[type=url],textarea{padding:.6rem .8rem;font-size:.9rem}.tag{font-size:.75rem;padding:.3rem .6rem}.length-filter,.tag-filter{font-size:.8rem;padding:.4rem .75rem}}