html{box-sizing:border-box;height:100%}*,:after,:before{box-sizing:inherit}:root{--primary-bg:#2c3e50;--secondary-bg:#34495e;--glass-bg:rgba(52, 73, 94, 0.7);--accent-gradient:linear-gradient(90deg, #16a085, #1abc9c);--accent-color-start:#16a085;--accent-color-end:#1abc9c;--text-color:#ecf0f1;--highlight-color:rgba(26, 188, 156, 0.3);--border-color:rgba(236, 240, 241, 0.1);--danger-color:#e74c3c;--danger-hover:#c0392b;--footer-height:65px}body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;background-color:var(--primary-bg);background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.05) 1px,transparent 0);background-size:20px 20px;color:var(--text-color);margin:0;padding:0;height:100%;overflow:hidden}#loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:var(--primary-bg);display:flex;justify-content:center;align-items:center;z-index:9999;transition:opacity .5s ease}.loader{border:5px solid var(--secondary-bg);border-top:5px solid var(--accent-color-end);border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}.sequencer-app{display:none;flex-direction:column;height:100%;width:100%;max-width:700px;margin:auto;background-color:transparent}.sequencer-app.loaded{display:flex}.app-header{display:flex;justify-content:space-between;align-items:center;padding:10px 15px;background:var(--glass-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);z-index:10;flex-shrink:0;flex-wrap:wrap}.header-main-content{display:flex;flex-direction:column;align-items:flex-start}.app-header h1{font-size:1.2em;margin:0;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:700}#preset-status-container{display:flex;align-items:center;gap:10px;text-align:left;padding:2px 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a{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-decoration:none}.footer-credits a:hover{text-decoration:underline}.modal{position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,.7);display:none;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease-in-out}.modal.active{display:flex;opacity:1}.modal-content{background:var(--glass-bg);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);padding:25px;border-radius:12px;width:90%;max-width:550px;border:1px solid var(--border-color);box-shadow:0 8px 32px 0 rgba(0,0,0,.37);position:relative;max-height:85vh;overflow-y:auto;display:flex;flex-direction:column;transform:scale(.95);transition:transform .3s ease-in-out}.modal.active .modal-content{transform:scale(1)}.modal-content h3{margin-top:0;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-align:center;margin-bottom:25px;font-size:1.4em}.modal-content .modal-controls{flex-grow:1;overflow-y:auto;padding-right:5px}.close-button{color:var(--text-color);position:absolute;top:15px;right:20px;font-size:28px;font-weight:700;cursor:pointer;transition:color .2s ease}.close-button:hover{color:var(--accent-color-end)}.modal-controls div:not(.button-selector-group):not(.volume-slider-wrapper){margin-bottom:15px}.modal-controls label{display:block;margin-bottom:8px;font-size:.9em}input[type=range]{-webkit-appearance:none;appearance:none;background:0 0;cursor:pointer}input[type=range]{-webkit-appearance:none;appearance:none;background:0 0;cursor:pointer}.modal-controls input[type=range]{width:calc(100% - 50px)}input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(to right,var(--accent-color-end) var(--fill-percent,0),var(--secondary-bg) var(--fill-percent,0));height:6px;border-radius:3px}input[type=range]::-moz-range-track{background:linear-gradient(to right,var(--accent-color-end) var(--fill-percent,0),var(--secondary-bg) var(--fill-percent,0));height:6px;border-radius:3px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;margin-top:-5px;background-color:var(--accent-color-end);height:16px;width:16px;border-radius:50%;border:2px solid var(--secondary-bg);transition:box-shadow .2s ease}input[type=range]::-moz-range-thumb{background-color:var(--accent-color-end);height:16px;width:16px;border-radius:50%;border:2px solid var(--secondary-bg);transition:box-shadow .2s ease}input[type=range]:not(:disabled)::-webkit-slider-thumb:hover{box-shadow:0 0 8px var(--highlight-color)}input[type=range]:not(:disabled)::-moz-range-thumb:hover{box-shadow:0 0 8px var(--highlight-color)}.modal-controls input[type=range]+span{margin-left:10px}#fx-slots-container{grid-template-columns:repeat(3,1fr)}.fx-slot-button{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:10px 5px!important;min-height:50px!important;gap:4px;font-size:1em!important;font-weight:700;background-color:var(--secondary-bg)!important;border:1px solid var(--border-color)!important;color:var(--text-color)!important}.fx-slot-button .fx-type-name{font-size:.7em;font-weight:400;color:rgba(236,240,241,.7)}.fx-slot-button.active{background:var(--accent-gradient)!important;border-color:transparent!important;color:#fff!important}.fx-slot-button.active .fx-type-name{color:#fff}#fx-edit-modal .modal-content{max-width:450px}#fx-params-container{display:flex;flex-direction:column;gap:15px;margin-top:20px;padding:15px;background-color:rgba(0,0,0,.2);border-radius:8px}.fx-param-control{display:flex;flex-direction:column;gap:8px}.fx-param-control label{margin-bottom:0}.fx-param-control .slider-wrapper{display:flex;align-items:center;gap:10px}.fx-param-control input[type=range]{flex-grow:1}.fx-param-control .button-selector-group.fx-param-buttons{grid-template-columns:repeat(auto-fill,minmax(65px,1fr))}.fx-param-control .button-selector-group button{aspect-ratio:auto;min-height:40px;padding:8px 6px}#fx-type-select{width:100%;padding:10px;border-radius:6px;border:1px solid var(--border-color);background-color:var(--primary-bg);color:var(--text-color)}.fx-control-group{margin-bottom:15px}.fx-control-group label{display:block;margin-bottom:8px;font-size:.9em}.modal-controls button:not(.button-selector-group button):not(.clear-selection-button),.modal-main-action-button{padding:12px 20px;background:var(--accent-gradient);color:#fff;border:none;border-radius:8px;cursor:pointer;width:100%;margin-top:20px;transition:all .2s ease}.modal-controls button:not(.button-selector-group button):not(.clear-selection-button):hover,.modal-main-action-button:hover{opacity:.9;box-shadow:0 0 10px var(--highlight-color)}.button-group-container{margin-bottom:15px}.button-selector-group{display:grid;gap:8px}.button-selector-group.note-buttons{grid-template-columns:repeat(auto-fill,minmax(42px,1fr))}#random-generate-modal .button-selector-group.sequence-max-buttons,.button-selector-group.octave-buttons{grid-template-columns:repeat(auto-fill,minmax(40px,1fr))}.button-selector-group.waveform-buttons{grid-template-columns:repeat(auto-fill,minmax(85px,1fr))}.button-selector-group button{padding:0;aspect-ratio:1/1;min-height:42px;font-size:.85em;background-color:var(--secondary-bg);color:var(--text-color);border:1px solid var(--border-color);border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.button-selector-group.waveform-buttons button{aspect-ratio:auto;padding:8px 6px}.button-selector-group button.active{background:var(--accent-gradient);border-color:transparent;color:#fff;font-weight:700}.button-selector-group button:hover:not(.active){background-color:var(--secondary-bg);border-color:var(--accent-color-end)}#random-generate-modal .modal-controls select#rg-chord-type{width:100%;padding:10px;border-radius:6px;border:1px solid var(--border-color);background-color:var(--primary-bg);color:var(--text-color)}.volume-control-container{padding:10px;border:1px solid var(--border-color);border-radius:8px;background-color:rgba(0,0,0,.2)}.volume-slider-wrapper{display:flex;align-items:center;margin-bottom:8px}.clear-selection-button{background-color:var(--secondary-bg)!important;font-size:.8em!important;padding:6px 10px!important;margin-top:0!important;width:auto!important;border:1px solid var(--border-color)!important;color:var(--text-color)!important}#save-preset-modal input[type=text],#save-preset-modal textarea{width:100%;padding:10px;border-radius:6px;border:1px solid var(--border-color);background-color:var(--primary-bg);color:var(--text-color);font-size:1em}#save-preset-modal textarea{resize:vertical;min-height:60px}.input-container{margin-bottom:20px}.input-container>label,.input-with-icon>label{font-weight:700;font-size:.9em;margin-bottom:8px;display:block}.emphasized-input{border:2px solid var(--accent-color-start)!important;padding:10px!important;width:100%}.input-with-icon{position:relative;margin-bottom:20px}.input-with-icon>i{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--accent-color-end);font-size:.9em}.input-with-icon>input,.input-with-icon>textarea{padding-left:40px!important;width:100%}.required-star{color:var(--danger-color);font-weight:700}.tag-input-container .input-with-icon{display:flex;align-items:center;background-color:var(--primary-bg);border:1px solid var(--border-color);border-radius:6px;padding-right:10px}.tag-input-container .input-with-icon>i{position:static;transform:none;padding:0 10px}#tag-display-container{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.tag-badge{display:flex;align-items:center;background-color:var(--secondary-bg);padding:4px 8px;border-radius:4px;font-size:.85em;white-space:nowrap}.tag-badge .remove-tag{margin-left:6px;cursor:pointer;font-weight:700}#preset-tags-input{background:0 0;border:none;color:var(--text-color);flex-grow:1;min-width:100px;padding:10px 5px}#preset-tags-input:focus{outline:0}#save-preset-button:disabled{background:var(--secondary-bg);cursor:not-allowed;opacity:.6}#save-preset-button:disabled:hover{box-shadow:none;opacity:.6}@media (min-width:700px){body{padding:40px 20px;height:auto;overflow:auto}.sequencer-app{border-radius:12px;box-shadow:0 8px 32px 0 rgba(0,0,0,.37);border:1px solid var(--border-color);height:auto}.main-content{padding-bottom:15px}.app-footer{position:static;background:0 0;backdrop-filter:none;-webkit-backdrop-filter:none;box-shadow:none;padding:10px 0 0 0;border-top:1px solid var(--border-color)}.footer-toolbar{height:auto;justify-content:center;gap:15px;padding:10px 0}.toolbar-button{flex-direction:row;gap:8px;width:auto;height:auto;padding:10px 20px;background-color:var(--secondary-bg);border:1px solid var(--border-color);border-radius:8px}.toolbar-button .icon-placeholder{font-size:1em}.toolbar-button span:last-child{font-size:.9em;font-weight:700}}@media (max-width:699px){.app-header{padding:5px 10px}.app-header h1{font-size:1em}#user-info{gap:5px}#user-name{font-size:.8em}}@media (max-width:699px){.main-content{padding:10px;padding-bottom:calc(var(--footer-height) + 10px)}.playback-grid{gap:8px}.playback-block{min-height:75px;padding:6px;font-size:.7em}.controls-area{padding:15px;gap:12px}.playback-controls-immediate button{padding:10px 8px}.bpm-adjust{min-width:36px;height:32px}.bpm-input-wrapper input[type=number]#bpm{padding:7px 5px}.settings-button-group.sequence-max-buttons{grid-template-columns:repeat(auto-fill,minmax(38px,1fr))}#note-duration-buttons{grid-template-columns:repeat(auto-fill,minmax(60px,1fr))}}@media (max-width:699px){.modal-content{width:95%;padding:20px;max-height:90vh}.modal-content h3{font-size:1.2em;margin-bottom:20px}.button-selector-group button{min-height:40px}.modal-controls button:not(.button-selector-group button):not(.clear-selection-button),.modal-main-action-button{padding:12px 15px}}#load-preset-modal .modal-content{max-width:800px}#load-preset-modal .modal-body{flex-grow:1;overflow-y:auto;margin-top:15px;padding-right:10px;max-height:60vh}.preset-list-controls{display:flex;flex-direction:column;gap:15px;margin-bottom:10px}#search-box{width:100%;padding:10px;border-radius:6px;border:1px solid var(--border-color);background-color:var(--primary-bg);color:var(--text-color);font-size:.9em}#tag-filter-container{display:flex;flex-wrap:wrap;gap:8px}.tag-filter-button{padding:5px 10px;font-size:.8em;background-color:var(--secondary-bg);color:var(--text-color);border:1px solid var(--border-color);border-radius:15px;cursor:pointer}.tag-filter-button.active{background:var(--accent-gradient);border-color:transparent;color:#fff}.preset-grid{padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:15px}.preset-card-item{background-color:var(--secondary-bg);border:1px solid var(--border-color);border-radius:8px;transition:all .2s ease;display:flex;flex-direction:column;overflow:hidden}.preset-card-content{padding:12px;display:flex;flex-direction:column;gap:8px;flex-grow:1}.preset-card-content h3{margin:0;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-size:1.1em;text-align:left}.preset-card-content p{margin:0;font-size:.8em;color:#bdc3c7;line-height:1.4;flex-grow:1}.preset-timestamp{font-size:.7em;color:#95a5a6;margin-bottom:4px}.preset-card-content .tags{display:flex;flex-wrap:wrap;gap:5px}.preset-card-content .tag{background-color:var(--primary-bg);color:var(--text-color);padding:2px 7px;border-radius:10px;font-size:.7em}.preset-card-content .actions{display:grid;grid-template-columns:3fr 1.5fr 1.5fr 4fr;gap:8px;margin-top:8px;align-items:center}.preset-card-content .action-button{background-color:transparent;color:var(--text-color);border:1px solid var(--border-color);padding:8px 5px;border-radius:6px;cursor:pointer;font-size:.8em;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:5px;white-space:nowrap}.preset-card-content .action-button:hover{background-color:var(--primary-bg);border-color:var(--accent-color-end)}.preset-card-content .action-button.delete{background-color:rgba(231,76,60,.2);border-color:rgba(231,76,60,.5)}.preset-card-content .action-button.delete:hover{background-color:var(--danger-hover);border-color:var(--danger-hover)}.preset-card-content .action-button.load{background:var(--accent-gradient);border:none}.preset-card-content .action-button.load:hover{opacity:.9}.preset-card-content .action-button.preview.playing{background-color:var(--accent-color-start);border-color:var(--accent-color-end)}.preset-card-content .action-button i{font-size:.9em}#no-results-message{text-align:center;padding:20px;color:#95a5a6}.loading-spinner{border:4px solid var(--secondary-bg);border-top:4px solid var(--accent-color-end);border-radius:50%;width:30px;height:30px;animation:spin 1s linear infinite;margin:20px auto}#toast-container{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:2000;display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:none}.toast-message{background-color:rgba(0,0,0,.85);color:#fff;padding:10px 20px;border-radius:25px;font-size:.9em;box-shadow:0 3px 10px rgba(0,0,0,.3);opacity:0;transform:translateY(20px);transition:opacity .4s ease,transform .4s ease}.toast-message.show{opacity:1;transform:translateY(0)}.toast-message.error{background-color:var(--danger-color)}.toast-message.success{background:var(--accent-gradient)}#confirmation-modal .modal-content{max-width:400px;text-align:center}#confirmation-modal-message{margin:10px 0 25px;line-height:1.5}.confirmation-buttons{display:flex;gap:10px;justify-content:center}.confirmation-buttons button{padding:8px 12px;border:none;border-radius:6px;cursor:pointer;width:auto;margin-top:0;min-width:80px;font-size:.8em;transition:all .2s ease}.modal-secondary-action-button{background-color:var(--secondary-bg);color:var(--text-color)}.modal-secondary-action-button:hover{background-color:#2a2a4a}#confirmation-modal-confirm-button.danger{background-color:var(--danger-color)}#confirmation-modal-confirm-button.danger:hover{background-color:var(--danger-hover)}.effects-control-group{border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color);padding-top:15px!important;padding-bottom:15px!important}.effect-control{display:flex;align-items:center;gap:10px;margin-bottom:5px}.effect-label{width:60px;font-size:.9em}.effect-slider-container{flex-grow:1}.effect-slider-container input[type=range]{width:100%;margin:0}input[type=range]:disabled{opacity:.5}.effect-details-group{padding-left:70px;display:flex;flex-direction:column;gap:5px;margin-top:5px}.effect-label-small{width:80px;font-size:.8em;color:#bdc3c7}.toggle-switch-container{flex-direction:row!important;justify-content:space-between;align-items:center}.toggle-switch{position:relative;display:inline-block;width:44px;height:24px;flex-shrink:0}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:var(--secondary-bg);transition:.4s;border-radius:24px}.toggle-slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background-color:#fff;transition:.4s;border-radius:50%}input:checked+.toggle-slider{background:var(--accent-gradient)}input:focus+.toggle-slider{box-shadow:0 0 1px var(--accent-color-end)}input:checked+.toggle-slider:before{transform:translateX(20px)}.twitter-login-button{background:#1da1f2;color:#fff!important;border:none;padding:8px 16px;border-radius:16px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:.9em!important;transition:background-color .3s;text-decoration:none}.twitter-login-button:hover{background-color:#0c85d0;opacity:1}.twitter-login-button .fa-twitter{font-size:1.2em}#login-button{background-color:#1da1f2;color:#fff;border:none;padding:8px 16px;border-radius:16px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;font-weight:700;transition:background-color .3s}#login-button:hover{background-color:#0c85d0}#login-button .fa-x-twitter{font-size:1.2em}