@import "https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300&family=Noto+Sans+JP:wght@300;400;500;700&family=Outfit:wght@300;400;600&display=swap";:root{--bg-main:#070708;--bg-card:#121214;--bg-card-hover:#1a1a1d;--bg-input:#0f0f11;--border:#ffffff14;--border-hover:#fff3;--border-focus:#fff6;--text-main:#f5f5f7;--text-sub:#8e8e93;--text-muted:#48484a;--accent:#fff;--accent-bg:#f5f5f7;--accent-text:#070708;--danger:#ff453a;--danger-bg:#ff453a1a;--success:#30d158;--shadow:0 8px 32px 0 #000c;--font-serif:"Cormorant Garamond", serif;--font-sans:"Outfit", "Noto Sans JP", sans-serif;--transition:all .3s cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-main);font-family:var(--font-sans);letter-spacing:.02em;min-height:100vh;font-weight:300;line-height:1.6;overflow-x:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-main)}::-webkit-scrollbar-thumb{background:#2c2c2e;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#3a3a3c}header{border-bottom:1px solid var(--border);z-index:100;-webkit-backdrop-filter:blur(20px);background:linear-gradient(#070708f2 0%,#07070800 100%);flex-direction:column;align-items:center;gap:8px;padding:32px 24px;display:flex;position:sticky;top:0}.logo-container{align-items:center;gap:12px;display:flex}.app-icon{object-fit:cover;border:1px solid #ffffff26;border-radius:6px;width:32px;height:32px}.portal-title{font-family:var(--font-serif);color:var(--text-main);letter-spacing:.2em;text-transform:uppercase;font-size:26px;font-weight:400}.portal-sub{color:var(--text-sub);letter-spacing:.25em;font-size:11px;font-weight:400}.container{max-width:700px;margin:0 auto;padding:32px 20px 80px}.section-header{justify-content:space-between;align-items:center;margin-top:10px;margin-bottom:20px;display:flex}.section-title{font-family:var(--font-serif);color:var(--text-sub);letter-spacing:.15em;text-transform:uppercase;font-size:18px;font-weight:400}.song-count{color:var(--text-muted);font-size:12px;font-family:var(--font-serif);letter-spacing:.1em}.btn{background-color:var(--accent-bg);color:var(--accent-text);cursor:pointer;letter-spacing:.08em;transition:var(--transition);border:none;border-radius:100px;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:13px;font-weight:500;display:inline-flex;box-shadow:0 4px 12px #ffffff0d}.btn:hover{background-color:var(--accent);transform:translateY(-1px);box-shadow:0 6px 16px #ffffff1a}.btn:active{transform:translateY(1px);box-shadow:0 2px 8px #ffffff0d}.btn-secondary{border:1px solid var(--border);color:var(--text-main);box-shadow:none;background-color:#0000}.btn-secondary:hover{border-color:var(--border-hover);color:var(--text-main);box-shadow:none;background-color:#ffffff0a;transform:none}.btn-danger{color:var(--danger);box-shadow:none;background-color:#0000;border:1px solid #ff453a4d}.btn-danger:hover{background-color:var(--danger-bg);border-color:var(--danger);box-shadow:none;transform:none}.song-list{flex-direction:column;gap:12px;display:flex}.song-card{background-color:var(--bg-card);border:1px solid var(--border);transition:var(--transition);border-radius:12px;justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.song-card:hover{background-color:var(--bg-card-hover);border-color:var(--border-hover);box-shadow:var(--shadow);transform:translate(4px)}.song-info{cursor:pointer;flex-direction:column;flex:1;gap:4px;display:flex}.song-name{color:var(--text-main);transition:var(--transition);font-size:16px;font-weight:500}.song-card:hover .song-name{color:#fff}.song-artist{color:var(--text-sub);font-size:12px}.card-actions{align-items:center;gap:8px;display:flex}.icon-btn{color:var(--text-muted);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:50px;justify-content:center;align-items:center;padding:8px;display:flex}.icon-btn:hover{color:var(--text-main);background-color:#ffffff0d}.icon-btn.delete:hover{color:var(--danger);background-color:var(--danger-bg)}.empty-state{text-align:center;color:var(--text-muted);border:1px dashed var(--border);border-radius:12px;flex-direction:column;align-items:center;gap:16px;padding:60px 20px;font-size:13px;display:flex}.empty-icon{color:var(--text-muted);opacity:.5}.form-section{background-color:var(--bg-card);border:1px solid var(--border);box-shadow:var(--shadow);transition:var(--transition);border-radius:12px;margin-top:32px;padding:28px}.form-header{border-bottom:1px solid var(--border);align-items:center;gap:10px;margin-bottom:24px;padding-bottom:12px;display:flex}.form-title{font-family:var(--font-serif);color:var(--text-main);letter-spacing:.1em;text-transform:uppercase;font-size:16px;font-weight:500}.form-group{margin-bottom:20px}.form-group label{color:var(--text-sub);letter-spacing:.1em;text-transform:uppercase;align-items:center;gap:6px;margin-bottom:8px;font-size:11px;font-weight:500;display:flex}.form-group input,.form-group textarea{background-color:var(--bg-input);border:1px solid var(--border);width:100%;color:var(--text-main);font-family:var(--font-sans);transition:var(--transition);border-radius:8px;padding:12px 16px;font-size:13px;font-weight:300}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-muted)}.form-group input:focus,.form-group textarea:focus{border-color:var(--border-focus);background-color:#ffffff05;outline:none;box-shadow:0 0 0 2px #ffffff08}.form-group textarea{resize:vertical;height:140px;font-family:monospace;font-size:12px;line-height:1.5}.detect-badge{color:var(--text-main);background-color:#ffffff14;border-radius:4px;align-items:center;gap:4px;margin-left:8px;padding:2px 8px;font-size:10px;font-weight:400;display:inline-flex}#playerOverlay{z-index:1000;background-color:#000;flex-direction:column;animation:.4s cubic-bezier(.16,1,.3,1) forwards fadeIn;display:flex;position:fixed;inset:0}.player-header{border-bottom:1px solid var(--border);z-index:1002;background-color:#070708f2;justify-content:space-between;align-items:center;height:60px;padding:0 20px;display:flex;position:relative}.player-song-info{flex-direction:column;display:flex}.player-title{color:var(--text-main);font-size:14px;font-weight:500}.player-artist{color:var(--text-sub);font-size:11px}#closePlayerBtn{color:var(--text-main);border:1px solid var(--border);cursor:pointer;letter-spacing:.05em;transition:var(--transition);background-color:#ffffff14;border-radius:100px;align-items:center;gap:6px;padding:8px 16px;font-size:11px;font-weight:500;display:flex}#closePlayerBtn:hover{background-color:var(--accent);color:var(--accent-text);border-color:var(--accent)}#playerIframe{background-color:#fff;border:none;flex:1;width:100%}.backup-actions{justify-content:center;gap:12px;margin-top:32px;display:flex}@keyframes fadeIn{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1100;background-color:#000000bf;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.confirm-dialog{background-color:var(--bg-card);border:1px solid var(--border);width:100%;max-width:400px;box-shadow:var(--shadow);border-radius:16px;padding:28px;animation:.3s cubic-bezier(.16,1,.3,1) forwards fadeIn}.confirm-title{color:var(--text-main);margin-bottom:12px;font-size:18px;font-weight:500}.confirm-message{color:var(--text-sub);margin-bottom:24px;font-size:14px;line-height:1.5}.confirm-buttons{justify-content:flex-end;gap:12px;display:flex}.toast-container{z-index:1200;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:24px;right:24px}.toast{background-color:var(--bg-card);border:1px solid var(--border);color:var(--text-main);box-shadow:var(--shadow);border-radius:8px;align-items:center;gap:8px;min-width:250px;padding:12px 24px;font-size:13px;animation:.3s cubic-bezier(.16,1,.3,1) forwards slideIn;display:flex}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (width<=600px){header{padding:24px 16px}.portal-title{font-size:20px}.container{padding:20px 16px 60px}.song-card{padding:16px}.btn{padding:10px 20px;font-size:12px}.form-section{padding:20px}.backup-actions{flex-direction:column;align-items:stretch}}.search-section{background-color:var(--bg-card);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px;padding:16px;display:grid}.search-input-wrapper{align-items:center;display:flex;position:relative}.search-icon{color:var(--text-sub);pointer-events:none;position:absolute;left:12px}.search-input{background-color:var(--bg-input);border:1px solid var(--border);width:100%;color:var(--text-main);font-family:var(--font-sans);transition:var(--transition);border-radius:8px;padding:10px 32px 10px 34px;font-size:13px;font-weight:300}.search-input:focus{border-color:var(--border-focus);background-color:#ffffff05;outline:none;box-shadow:0 0 0 2px #ffffff08}.search-clear-btn{color:var(--text-sub);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:4px;display:flex;position:absolute;right:10px}.search-clear-btn:hover{color:var(--text-main);background-color:#ffffff0d}@media (width<=600px){.search-section{grid-template-columns:1fr;gap:10px;padding:12px}}