:root,[data-theme=dark]{--bg-primary: #0f0f0f;--bg-secondary: #1a1a1a;--bg-tertiary: #252525;--bg-hover: #2a2a2a;--bg-active: #333;--border: #333;--border-subtle: #2a2a2a;--text-primary: #e8e8e8;--text-secondary: #999;--text-muted: #666;--accent: #7c6ef0;--accent-hover: #6b5ce0;--accent-subtle: rgba(124, 110, 240, .1);--accent-border: rgba(124, 110, 240, .3);--success: #4caf50;--warning: #f0a030;--danger: #e05050;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--radius: 8px;--radius-sm: 4px;--transition: .15s ease}[data-theme=light]{--bg-primary: #f5f5f7;--bg-secondary: #ffffff;--bg-tertiary: #eeeef0;--bg-hover: #e5e5e8;--bg-active: #dddde0;--border: #d1d1d6;--border-subtle: #e5e5ea;--text-primary: #1c1c1e;--text-secondary: #636366;--text-muted: #8e8e93;--accent: #6c5ce7;--accent-hover: #5a4bd6;--accent-subtle: rgba(108, 92, 231, .08);--accent-border: rgba(108, 92, 231, .25);--success: #34c759;--warning: 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var(--border);display:flex;align-items:center;justify-content:space-between}.sidebar-close-btn{display:none;background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:6px;-webkit-tap-highlight-color:transparent}.sidebar-close-btn:active{color:var(--text-primary);background:var(--bg-hover)}@media(max-width:768px){.sidebar-close-btn{display:flex;align-items:center;justify-content:center}}.sidebar-logo{font-size:18px;font-weight:700;color:var(--text-primary);letter-spacing:-.3px;display:flex;align-items:center;gap:8px}.sidebar-logo svg{color:var(--accent)}.new-song-btn{width:100%;margin-top:12px;padding:8px 12px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:500;cursor:pointer;transition:background var(--transition);font-family:var(--font-sans)}.new-song-btn:hover{background:var(--accent-hover)}.song-list{flex:1;overflow-y:auto;padding:8px}.song-item{padding:10px 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var(--border)}.modal-btn.cancel{background:var(--bg-tertiary);color:var(--text-primary)}.modal-btn.cancel:hover{background:var(--bg-hover)}.modal-btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}.modal-btn.danger:hover{opacity:.9}.deleted-panel{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);width:380px;max-width:90vw;max-height:70vh;z-index:510;box-shadow:0 16px 48px #0006;display:flex;flex-direction:column;overflow:hidden}.deleted-panel-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}.deleted-panel-header h3{font-size:15px;font-weight:600}.deleted-panel-close{background:none;border:none;color:var(--text-muted);font-size:22px;cursor:pointer;padding:2px 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solid var(--border)}.faq-question{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:12px;background:none;border:none;color:var(--text-primary);font-size:13px;font-weight:500;font-family:var(--font-sans);cursor:pointer;text-align:left;line-height:1.5;transition:background var(--transition)}.faq-question:hover{background:var(--bg-hover)}.faq-chevron{flex-shrink:0;color:var(--text-muted);transition:transform .2s ease}.faq-item.expanded .faq-chevron{transform:rotate(180deg)}.faq-answer{padding:0 12px 14px;font-size:13px;color:var(--text-secondary);line-height:1.7}.back-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:6px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;transition:all var(--transition);flex-shrink:0}.back-btn:hover{color:var(--text-primary);background:var(--bg-hover)}.main-content{flex:1;display:flex;flex-direction:column;overflow-y:auto;min-width:0}.editor-toolbar{padding:8px 16px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:6px;background:var(--bg-secondary);position:sticky;top:0;z-index:10}.toolbar-row-top{display:flex;align-items:center;gap:8px}.toolbar-rhyme-btn{flex-shrink:0;height:32px;display:flex;align-items:center;gap:5px;padding:0 10px;background:transparent;border:1.5px solid var(--border);border-radius:8px;color:var(--text-muted);cursor:pointer;transition:all .2s ease;opacity:.7;font-size:12px;font-weight:600;font-family:var(--font-sans)}.toolbar-rhyme-btn:hover{opacity:1;color:var(--accent);border-color:var(--accent);background:color-mix(in srgb,var(--accent) 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#00000040;transform:translate(-50%);z-index:1000;animation:formatBubbleIn .12s ease-out}@keyframes formatBubbleIn{0%{opacity:0;transform:translate(-50%) translateY(4px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.format-bubble button{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:6px;color:var(--text-primary);font-size:14px;cursor:pointer;transition:background .12s;padding:0;line-height:1}.format-bubble button:hover{background:var(--bg-hover)}.format-bubble button:active{background:var(--accent);color:#fff}.mobile-keyboard-bar{position:fixed;right:12px;z-index:9999;display:flex;align-items:center;gap:6px;background:var(--surface);border-radius:22px;padding:4px;box-shadow:0 2px 16px #0000004d;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.mobile-bar-btn{width:40px;height:40px;border-radius:50%;border:none;background:transparent;color:var(--text-muted);display:flex;align-items:center;justify-content:center;cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation;flex-shrink:0}.mobile-bar-btn.active,.mobile-bar-btn:active{background:var(--accent);color:#fff}.mobile-format-buttons{display:flex;align-items:center;gap:2px;padding-left:4px}.mobile-format-buttons button{width:36px;height:36px;border-radius:8px;border:none;background:transparent;color:var(--text);font-size:15px;display:flex;align-items:center;justify-content:center;cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.mobile-format-buttons button:active{background:var(--accent);color:#fff}.editor-fab-group{position:fixed;right:12px;bottom:24px;display:flex;flex-direction:column;gap:8px;z-index:100}.editor-fab{width:40px;height:40px;border-radius:50%;border:none;background:var(--surface);color:var(--text-muted);opacity:.55;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 1px 6px #00000026;transition:opacity .2s,background .2s;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.editor-fab:hover{opacity:.9}.editor-fab:active{opacity:1;background:var(--accent);color:#fff}.editor-fab.active{background:var(--accent);color:#fff;opacity:1}.editor-fab-more-wrap{position:relative}.fab-menu-backdrop{position:fixed;inset:0;z-index:199}.fab-more-menu{position:absolute;right:48px;bottom:0;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 4px 24px #00000059;min-width:180px;z-index:200;overflow:hidden;animation:fabMenuIn .15s ease-out;-webkit-backdrop-filter:none;backdrop-filter:none}@keyframes fabMenuIn{0%{opacity:0;transform:translate(8px) scale(.95)}to{opacity:1;transform:translate(0) scale(1)}}.fab-more-menu button{display:flex;align-items:center;gap:10px;width:100%;padding:11px 16px;border:none;background:none;color:var(--text);font-size:13px;cursor:pointer;text-align:left;white-space:nowrap}.fab-more-menu button:hover{background:var(--bg-hover)}.fab-more-menu button:active{background:var(--accent);color:#fff}.fab-more-menu button.fab-menu-danger{color:var(--danger)}.fab-more-menu button.fab-menu-danger:hover{background:#e050501a}.fab-more-menu 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var(--border);border-radius:var(--radius);background:var(--bg-tertiary);color:var(--text-primary);cursor:pointer;transition:all var(--transition);text-align:left}.save-option-btn:hover:not(:disabled){border-color:var(--accent);background:var(--accent-subtle)}.save-option-btn:disabled{opacity:.5;cursor:not-allowed}.save-option-icon{flex-shrink:0;color:var(--accent)}.save-option-text{display:flex;flex-direction:column;gap:2px}.save-option-text strong{font-size:14px;font-weight:600}.save-option-text span{font-size:12px;color:var(--text-muted)}.save-option-divider{text-align:center;font-size:12px;color:var(--text-muted);padding:8px 0}.save-as-name-input{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-tertiary);color:var(--text-primary);font-size:13px;font-family:var(--font-sans);box-sizing:border-box}.save-as-name-input:focus{outline:none;border-color:var(--accent)}@keyframes fadeInOut{0%{opacity:0;transform:translate(-50%) translateY(10px)}15%{opacity:1;transform:translate(-50%) translateY(0)}85%{opacity:1;transform:translate(-50%) translateY(0)}to{opacity:0;transform:translate(-50%) translateY(-10px)}}.policies-page{max-width:720px;margin:0 auto;padding:40px 24px 80px;height:100vh;overflow-y:auto;background:var(--bg-primary);color:var(--text-primary)}.policies-header{display:flex;align-items:center;gap:16px;margin-bottom:32px}.policies-header h1{font-size:22px;font-weight:600;margin:0}.policies-back-btn{display:flex;align-items:center;gap:4px;background:none;border:none;color:var(--accent);cursor:pointer;font-size:14px;padding:6px 10px;border-radius:var(--radius-sm);transition:background var(--transition)}.policies-back-btn:hover{background:var(--accent-subtle)}.policies-content{display:flex;flex-direction:column;gap:32px}.policy-section{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.policy-section h2{font-size:17px;font-weight:600;margin:0 0 12px;color:var(--accent)}.policy-section p{font-size:14px;line-height:1.7;color:var(--text-secondary);margin:0 0 10px}.policy-section p:last-child{margin-bottom:0}.policy-section ul{margin:8px 0 12px;padding-left:20px}.policy-section li{font-size:14px;line-height:1.7;color:var(--text-secondary);margin-bottom:4px}.policy-section li strong,.policy-section strong{color:var(--text-primary)}.landing-footer{position:absolute;bottom:20px;left:0;right:0;text-align:center}.landing-footer-link{color:var(--text-muted);font-size:12px;text-decoration:none;transition:color var(--transition)}.landing-footer-link:hover{color:var(--text-secondary)}@media(max-width:600px){.policies-page{padding:20px 16px 60px}.policies-header h1{font-size:18px}.policy-section{padding:18px 16px}}.account-settings-page{max-width:720px;margin:0 auto;padding:40px 24px 80px;height:100vh;overflow-y:auto;background:var(--bg-primary);color:var(--text-primary)}.account-info-grid{display:flex;flex-direction:column;gap:10px}.account-info-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid var(--border-subtle)}.account-info-row:last-child{border-bottom:none}.account-info-label{font-size:13px;color:var(--text-muted)}.account-info-value{font-size:14px;color:var(--text-primary)}.account-pro-badge{background:var(--accent);color:#fff;padding:2px 10px;border-radius:10px;font-size:12px;font-weight:600}.account-form{display:flex;flex-direction:column;gap:14px}.account-form-row{display:flex;flex-direction:column;gap:4px}.account-form-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.account-form-input{padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-tertiary);color:var(--text-primary);font-size:14px;font-family:var(--font-sans)}.account-form-input:focus{outline:none;border-color:var(--accent)}.account-save-btn{padding:10px 20px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer;align-self:flex-start;transition:background var(--transition)}.account-save-btn:hover{background:var(--accent-hover)}.account-save-btn:disabled{opacity:.6;cursor:default}.account-signout-all-btn{padding:10px 20px;background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;cursor:pointer;transition:background var(--transition)}.account-signout-all-btn:hover{background:var(--bg-hover)}.account-signout-all-btn:disabled{opacity:.6;cursor:default}.account-danger-section h2{color:var(--danger)!important}.account-delete-btn{padding:10px 20px;background:transparent;color:var(--danger);border:1px solid var(--danger);border-radius:var(--radius-sm);font-size:14px;cursor:pointer;transition:all var(--transition)}.account-delete-btn:hover{background:var(--danger);color:#fff}.account-delete-confirm{margin-top:12px}.account-delete-warning{font-size:14px;color:var(--danger);margin-bottom:10px}.account-delete-input{border-color:var(--danger)!important;margin-bottom:12px}.account-delete-actions{display:flex;gap:10px}.account-delete-confirm-btn{padding:10px 20px;background:var(--danger);color:#fff;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer}.account-delete-confirm-btn:disabled{opacity:.4;cursor:default}.account-delete-cancel-btn{padding:10px 20px;background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;cursor:pointer}.account-delete-cancel-btn:hover{background:var(--bg-hover)}@media(max-width:600px){.account-settings-page{padding:20px 16px 60px}.account-delete-actions{flex-direction:column}}