:root{--nav-offset: calc(4.375rem + 2px) ;--glass-bg: linear-gradient( 105deg, rgba(16, 6, 34, .54) 0%, rgba(32, 14, 62, .5) 45%, rgba(20, 8, 40, .56) 100% );--glass-blur: blur(22px) saturate(1.12);--glass-border-color: rgba(105, 85, 145, .22);--glass-inner-glow: inset 0 1px 0 rgba(255, 255, 255, .08), inset 0 0 40px rgba(52, 34, 88, .14);--glass-text-color: rgba(255, 255, 255, .95)}@media screen and (max-width: 768px){:root{--nav-offset: calc(3.125rem + 2px) }}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{background-color:#12081f}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier 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#ffdca073,0 0 16px #ffbe6e33}@media screen and (max-width: 768px){.nav{grid-template-columns:1fr auto;grid-template-rows:auto auto;padding:.75rem 1rem 0}.nav_brand{grid-column:1;grid-row:1}.nav_trail{grid-column:2;grid-row:1}.nav_center{grid-column:1 / -1;grid-row:2;width:calc(100% + 2rem);margin-left:-1rem;margin-right:-1rem}.hamburger{display:flex}.nav_links{display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;width:100%;padding:0 1rem 1rem}.nav_links.expanded{display:flex;padding-top:.75rem;padding-bottom:1rem;background:linear-gradient(180deg,#120624a3,#0c041cad);backdrop-filter:blur(22px) saturate(1.1);-webkit-backdrop-filter:blur(22px) saturate(1.1);border-bottom:1px solid rgba(105,85,145,.2);box-shadow:0 12px 44px #00000073,0 0 40px #2416406b;color:#fffffff2}.nav_links.expanded>li{position:relative;padding:.65rem 0 .85rem;border:none;border-bottom:1px solid 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#c85ac824}._home-cards_1024x_105{display:grid;grid-template-columns:1fr 1fr;gap:0;width:100%;max-width:none;margin:0 auto 2rem;align-items:start;justify-items:center}._home-cards_1024x_105 ._guided-journey-container_1024x_70{margin:0;width:100%;max-width:min(520px,92%);box-sizing:border-box}._guided-journey-container_1024x_70{display:flex;flex-direction:column;gap:.75rem;align-items:center;justify-content:flex-start;margin:2rem auto;max-width:600px;width:100%;min-height:580px;text-decoration:none;color:inherit;cursor:pointer}._guided-journey-image_1024x_138{width:calc(100% + 48px);margin-left:-24px;margin-right:-24px;flex:0 0 66%;object-fit:cover;transition:transform .3s ease;-webkit-mask-image:linear-gradient(to bottom,transparent 0%,black 42%,black 58%,transparent 100%);mask-image:linear-gradient(to bottom,transparent 0%,black 42%,black 58%,transparent 100%)}._guided-journey-container_1024x_70:hover 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auto;margin-top:1rem;display:block}._begin_button_ylg9a_67:hover{background-color:#006400}._close_button_ylg9a_83{position:absolute;top:5px;right:10px;background:none;border:none;font-size:28px;font-weight:700;cursor:pointer;color:#333;padding:5px}._close_button_ylg9a_83:hover{color:#000}._feedback_button_ylg9a_100{margin:.25rem;padding:.5rem 1rem;border:none;border-radius:.25rem;font-size:1rem;cursor:pointer;transition:background-color .3s ease,transform .3s ease}._piano_keyboard_container_ylg9a_114{display:flex;justify-content:center;align-items:center;width:100%;margin:1rem auto;padding:0}._piano_scale_wrapper_ylg9a_123{transform:scaleX(.6);transform-origin:center center;margin:0 auto;font-size:.1rem}@media (max-width: 600px){._piano_scale_wrapper_ylg9a_123{transform:scaleX(.45);font-size:.08rem}}@media (min-width: 601px) and (max-width: 900px){._piano_scale_wrapper_ylg9a_123{transform:scaleX(.55);font-size:.09rem}}@media (min-width: 901px) and (max-width: 1200px){._piano_scale_wrapper_ylg9a_123{transform:scaleX(.65);font-size:.1rem}}@media (min-width: 1201px) and (max-width: 1600px){._piano_scale_wrapper_ylg9a_123{transform:scaleX(.5);font-size:.11rem}}@media (min-width: 1601px){._piano_scale_wrapper_ylg9a_123{transform:scaleX(.45);font-size:.12rem}}._bullet_list_ylg9a_165{display:inline-block;padding-left:1.5rem;margin-left:0;list-style-position:outside;width:auto}._bullet_list_container_ylg9a_173{display:block;margin:.5rem 0}._bullet_list_ylg9a_165 li{padding-left:.5rem}._continue_button_ylg9a_183{background-color:#007bff;color:#fff;border:3px solid #0056b3;padding:15px 30px;cursor:pointer;border-radius:8px;display:block;font-size:1.2rem;font-weight:700;text-align:center;box-shadow:0 4px 10px #007bff4d;transition:transform .2s ease,background-color .3s ease;min-width:180px;margin:2rem 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._note_display_1wg4g_122{position:absolute;font-size:1rem;font-weight:700;color:#333}._arrow_1wg4g_168{width:50px;height:2px;background-color:#333;position:relative}._arrow_1wg4g_168:after{content:"";position:absolute;top:-5px;right:-5px;width:10px;height:10px;border-top:2px solid #333;border-right:2px solid #333;transform:rotate(45deg)}._freeplay-container_1sw7r_3{min-height:calc(100vh - var(--nav-offset));padding:2rem 1rem;display:flex;flex-direction:column;align-items:center}._freeplay-title_1sw7r_11{text-align:center;width:100%;margin:2rem 0 1rem;font-size:3rem;font-weight:700;letter-spacing:2px;color:#23140ae0;text-shadow:0 1px 4px rgba(255,230,180,.4)}._freeplay-description_1sw7r_22{font-size:1.15rem;text-align:center;line-height:1.7;max-width:640px;margin:0 auto 2rem;color:#23140ac7;text-shadow:0 1px 3px rgba(255,230,180,.3)}._training-games-container_1sw7r_34{background:#fff5eb2e;backdrop-filter:blur(.5px) saturate(1.15);-webkit-backdrop-filter:blur(.5px) 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#ffffff40;border-radius:2vh;margin:auto;margin-top:1vh;margin-bottom:1vh;width:38vw;font-size:1.5rem;text-decoration:none;padding:1rem;transition:all .25s ease}._game-container_1sw7r_73:hover{transform:translateY(-2px) scale(1.01);background:#fffcf852;box-shadow:0 6px 24px #78461e24,0 0 20px #dcaa6e1a,inset 0 1px #ffffff59,inset 0 0 16px #fff5e61f;border-color:#ffd7af99}._game-title_1sw7r_103{text-decoration:none;color:#000}._game-description_1sw7r_108{font-size:1rem;color:#000}._game-image_1sw7r_113{height:5vh}@media (max-width: 768px){._freeplay-title_1sw7r_11{font-size:2.25rem;margin:1rem 0 .75rem}._freeplay-description_1sw7r_22{font-size:1rem}._training-games-container_1sw7r_34{grid-template-columns:1fr}._game-container_1sw7r_73{width:80vw;height:3rem;font-size:1.2rem}._game-description_1sw7r_108{font-size:.9rem}}@media (max-width: 480px){._freeplay-title_1sw7r_11{font-size:1.75rem;letter-spacing:1px}._freeplay-description_1sw7r_22{font-size:.9rem}._training-games-container_1sw7r_34{grid-template-columns:1fr}._game-container_1sw7r_73{width:90vw;height:2.5rem;font-size:1rem}._game-description_1sw7r_108{font-size:.6rem}}._interval_game_1m6r0_1{background-color:#fffc;width:95vw;margin:auto;margin-top:1.5rem;padding:1rem;border-radius:4rem;min-height:50vh}._header_section_1m6r0_11{display:flex;justify-content:space-between;padding-left:1rem;padding-right:1rem}._scoreboard_1m6r0_18{border:1px solid black;background-color:#fff;padding:.5rem;display:grid;grid-template-columns:1fr 1fr;gap:.5rem;border-radius:1rem}._music_staff_1m6r0_29{width:10vw;margin:auto;border:1px solid black}._guess_btn_group_1m6r0_35{margin:.5rem;display:inline-block;border:solid black .15rem}._default_button_1m6r0_41{background-color:#fff;border-radius:10%;height:1.5rem;box-shadow:.1rem .1rem #4f4f4f;font-size:1rem;font-weight:700;border:1px 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480px){._settings_container_fzxa6_2{margin:0;padding:0;font-size:80%}._interval_checkboxes_container_fzxa6_12{margin-left:0rem;margin-right:0rem;padding:0}._header_row_fzxa6_34,._interval_row_fzxa6_41{margin:auto}._scoreboard_fzxa6_164,._settings_container_fzxa6_2{width:100%;margin-bottom:1rem}._note_select_container_fzxa6_82{display:flex;justify-content:space-between}._note_select_fzxa6_82{flex:1;margin-left:2rem;margin-right:2rem}}._difficulty_select_container_hcwjv_1{border:1px solid #ccc;background-color:#fffc;padding:1rem;margin:1rem;border-radius:4vh}._optionsContainer_hcwjv_9{display:grid;grid-template-columns:1fr;gap:2rem}._option_hcwjv_9{padding:2rem;margin:1rem;border:1px solid #ccc;cursor:pointer;height:10rem;border-radius:2vh}._selectedOption_hcwjv_24{background-color:#ddd}._unselectedOption_hcwjv_28{background-color:#fff}._feedback_container_2siro_1{margin:1rem auto;padding:1rem;background-color:#f8f9fa;border:1px solid black;border-radius:2rem;box-shadow:0 .5rem 1rem #00000026;width:fit-content}._feedback_button_2siro_15{margin:.25rem;padding:.5rem 1rem;border:none;border-radius:.25rem;font-size:1rem;cursor:pointer;transition:background-color .3s ease,transform .3s ease}._feedback_button_2siro_15:hover{background-color:#0056b3;transform:scale(1.05)}._feedback_button_2siro_15:active{background-color:#004085;transform:scale(1)}._settings_container_1qc89_2{border:1px solid black;padding:1rem;background-color:#d3d3d3e6;border-radius:2rem;margin:1rem auto;width:fit-content}._preset_configs_container_1qc89_11{border:1px solid black;background-color:#fff;width:fit-content;padding:1rem;border-radius:2rem;margin:1rem auto}._preset_configs_controls_container_1qc89_20{display:flex;flex-direction:row;gap:.5rem;justify-content:center;margin:1rem auto}._select_dropdown_1qc89_28{width:10rem}._plus_icon_1qc89_32{cursor:pointer;font-size:2rem}._plus_icon_disabled_1qc89_37{font-size:2rem;opacity:.35;cursor:not-allowed}._trash_icon_1qc89_43{cursor:pointer;font-size:2rem}._trash_icon_disabled_1qc89_48{font-size:2rem;opacity:.35;cursor:not-allowed}._new_preset_container_1qc89_54{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background-color:#fff;padding:20px;box-shadow:0 4px 8px #0000001a;z-index:1000;border-radius:8px}._interval_checkboxes_container_1qc89_66{border:1px solid black;width:fit-content;padding:.5rem;background-color:#fff;border-radius:2rem}._header_row_1qc89_74,._interval_row_1qc89_74{display:flex;justify-content:right;align-items:center;flex-direction:row;width:18rem}._row_item_1qc89_82{flex:1}._controls_container_1qc89_86{display:flex;justify-content:space-around}._misc_settings_container_1qc89_91{border:1px solid 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480px){._settings_container_1qc89_2{margin:0;padding:0;font-size:80%}._interval_checkboxes_container_1qc89_66{margin-left:0rem;margin-right:0rem;padding:0}._header_row_1qc89_74,._interval_row_1qc89_74{margin:auto}._scoreboard_1qc89_159,._settings_container_1qc89_2{width:100%;margin-bottom:1rem}._note_select_container_1qc89_112{display:flex;justify-content:space-between}._note_select_1qc89_112{flex:1;margin-left:2rem;margin-right:2rem}}._harmonic_interval_game_1t2ne_1{background-color:#fffc;width:95vw;margin:auto;margin-top:5rem;padding:4rem;border-radius:4rem;min-height:50vh}._header_section_1t2ne_11{display:flex;justify-content:space-between;padding-left:1rem;padding-right:1rem}._scoreboard_1t2ne_18{border:1px solid black;width:20vw}._music_staff_1t2ne_23{width:10vw;margin:auto;border:1px solid black}._guess_btn_group_1t2ne_29{margin:.5rem;display:inline-block;border:solid black .15rem}._default_button_1t2ne_35{background-color:#fff;border-radius:10%;height:1.5rem;box-shadow:.1rem .1rem #4f4f4f;font-size:1rem;font-weight:700;border:1px solid #4f4f4f;margin:.25rem;cursor:pointer}._play_button_1t2ne_47{background-color:green;border-radius:10rem;height:3rem;box-shadow:.25rem .25rem #4f4f4f;font-size:2rem;font-weight:700;border:2px solid #4f4f4f;margin:.5rem;cursor:pointer}._play_button_1t2ne_47:hover{filter:brightness(1.2)}._settings_button_1t2ne_63{display:block;margin:10rem auto .25rem;border-radius:10%;box-shadow:.1rem .1rem #4f4f4f;font-size:1rem;font-weight:700;border:1px solid #4f4f4f;cursor:pointer;padding:.5rem;text-align:center}._focus_mode_controls_1t2ne_77{margin:1rem 0;text-align:left}._focus_mode_toggle_1t2ne_82{font-weight:700;display:inline-flex;gap:.5rem;align-items:center}._focus_mode_panel_1t2ne_89{margin-top:.75rem;padding:.75rem;border:1px solid #4f4f4f;border-radius:.75rem;background:#ffffffe6}._visualization_1gzhq_1{border:1px solid black;background:#fff}._progressContainer_1gzhq_6{width:100%;max-width:400px;height:20px;background-color:#ddd;border-radius:10px;overflow:hidden;margin-top:10px}._progressBar_1gzhq_16{height:100%;background-color:#32cd32;width:0%;transition:width .1s linear}._pitch_detector_1gzhq_23{text-align:center;font-family:Arial,sans-serif}._pitch_wheel_container_1gzhq_28{position:relative;width:250px;height:250px;margin:20px auto}._pitch_wheel_1gzhq_28{width:100%;height:100%;transition:transform .3s ease-in-out}._pitch_wheel_1gzhq_28 img{width:100%}._pitch_needle_1gzhq_45{position:absolute;top:-10px;left:50%;width:0;height:60px;border-left:4px solid red;transform:translate(-50%)}._interval_selector_j4o8k_1{margin:1rem 0;text-align:center}._interval_selector_j4o8k_1 label{margin-right:.5rem;font-size:1rem;color:#555}._interval_selector_j4o8k_1 select{padding:.5rem;font-size:1rem;border:1px solid #ccc;border-radius:4px}._wrap_j5yzb_1{width:100%;max-width:48rem;margin:1rem auto;padding:.75rem;border:1px solid #bbb;border-radius:.5rem;background:#fafafa}._wrap_embedded_j5yzb_11{max-width:72rem;margin:.45rem auto 0;padding:.45rem 0 0;border:none;border-top:1px solid #ddd;border-radius:0;background:transparent;--sung-timeline-staff-height: clamp(9rem, 28vh, 20rem)}@supports (height: 1dvh){._wrap_embedded_j5yzb_11{--sung-timeline-staff-height: clamp(9rem, 28dvh, 20rem)}}._title_j5yzb_32{text-align:center;font-weight:600;color:#333;margin-bottom:.25rem}._live_readout_j5yzb_39{text-align:center;color:#444;margin-bottom:.4rem;font-size:.95rem}._live_note_j5yzb_47{color:#1565c0;font-size:clamp(1.25rem,3.2vw,1.85rem);font-weight:800;letter-spacing:.02em}._cents_j5yzb_54{color:#555;font-size:.92rem}._hz_j5yzb_59{color:#666;font-size:.9rem}._svg_viewport_j5yzb_69{width:100%;min-height:0;aspect-ratio:760 / 240}._wrap_embedded_j5yzb_11 ._svg_viewport_j5yzb_69{aspect-ratio:unset;height:var(--sung-timeline-staff-height, clamp(9rem, 28vh, 20rem))}._svg_j5yzb_69{display:block;width:100%;height:100%}._staff_line_j5yzb_87{stroke:#a8a8a8;stroke-width:1}._clef_treble_j5yzb_92,._clef_bass_j5yzb_93{fill:#333;font-family:Bravura,Petaluma,Noto Music,serif;dominant-baseline:middle;text-anchor:middle;line-height:1}._clef_treble_j5yzb_92{font-size:46px}._clef_bass_j5yzb_93{font-size:42px}._now_line_j5yzb_109{stroke:#5e5e5e;stroke-width:1.25;stroke-dasharray:3 3}._upcoming_lane_j5yzb_115{fill:#5078c80f;stroke:none;pointer-events:none}._timeline_edge_line_j5yzb_121{stroke:#b0b0b0;stroke-width:1;stroke-dasharray:2 4}._playhead_caption_j5yzb_127{fill:#555;font-size:10px;font-family:system-ui,sans-serif;font-weight:600;font-style:italic}._note_trail_j5yzb_135{stroke:#357abd;stroke-width:2;opacity:.75}._note_head_j5yzb_141{fill:#357abd}._note_trail_preview_j5yzb_145{stroke:#2e7d32;stroke-width:2.4;opacity:.9}._note_head_preview_j5yzb_151{fill:#2e7d32}._target_trail_j5yzb_155{stroke:#ff9800;stroke-width:2.6}._target_head_j5yzb_160{fill:#ff9800}._rest_j5yzb_164{fill:#8c8c8c;opacity:.65}._guided_status_j5yzb_169{text-align:center;margin-top:.4rem;color:#444}._guided_done_j5yzb_175{color:#2e7d32;font-weight:700}._slot_upcoming_j5yzb_181{fill:#673ab724;stroke:#673ab78c;stroke-width:1}._slot_current_j5yzb_187{fill:#ff980038;stroke:#e65100;stroke-width:1.5}._slot_done_j5yzb_193{fill:#7878781a;stroke:#5a5a5a59;stroke-width:1}._slot_label_j5yzb_199{fill:#333;font-size:10px;font-family:Bravura,Noto 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