/*! tailwindcss v4.3.2 | MIT License | https://tailwindcss.com */@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-ordinal:initial;--tw-slashed-zero:initial;--tw-numeric-figure:initial;--tw-numeric-spacing:initial;--tw-numeric-fraction:initial;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;-moz-tab-size:4;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;-moz-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;-moz-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.invisible{visibility:hidden}.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.block{display:block}.flex{display:flex}.hidden{display:none}.table{display:table}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.italic{font-style:italic}.ordinal{--tw-ordinal:ordinal;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--color-bg-grey:#f7f7f7;--color-success:#22c3b5;--color-danger:#d23333;--color-primary:#469ae0;--color-progress-track:#eaeaea;--color-border-light:#d3d3d3;--color-text-muted:#606060;--color-text-secondary:#747474;--font-sans:system-ui, -apple-system, "Segoe UI", Helvetica, sans-serif;--font-mono:SFMono-Regular, Menlo, Monaco, Consolas, "Courier New", monospace;--fc-bg-page:#f7f7f7;--fc-bg-surface:#fff;--fc-bg-muted:#f3f4f6;--fc-bg-input:#fff;--fc-bg-badge:#eaeaea;--fc-bg-code:#f3f4f6;--fc-bg-btn-start:#fff;--fc-bg-btn-end:#f5f5f5;--fc-bg-btn-hover-start:#fafafa;--fc-bg-btn-hover-end:#eee;--fc-text-primary:#333;--fc-text-muted:#606060;--fc-text-secondary:#747474;--fc-text-placeholder:#bbb;--fc-text-code-lang:#999;--fc-text-on-accent:#fff;--fc-border:#ececec;--fc-border-strong:#d5d5d5;--fc-border-tile:#d3d3d3;--fc-icon:#474545;--fc-icon-fill:#000;--fc-progress-track:#eaeaea;--fc-success:#22c3b5;--fc-danger:#d23333;--fc-primary:#469ae0;--fc-shadow:#0000001a;--fc-shadow-soft:#0000000d;--fc-overlay:#000000a6;--fc-focus-ring:#469ae0;--fc-toggle-bg:#fff;--fc-toggle-border:#d5d5d5;--fc-toggle-hover:#f0f0f0;--fc-code-syntax:#22c3b5;--fc-shadow-card:none;--fc-bg-locked:#ececec;--fc-border-locked:#d4d4d4;--fc-text-locked-title:#b3b3b3;--fc-text-locked-muted:#c8c8c8;--fc-icon-locked:#d4d4d4;--fc-lock-icon:#fff;--fc-top-bar-title-accent:#ffffff94}[data-theme=dark]{--color-bg-grey:#0f1117;--color-progress-track:#2a3145;--color-border-light:#363d52;--color-text-muted:#9ba3b4;--color-text-secondary:#7d8599;--fc-bg-page:#0f1117;--fc-bg-surface:#181b26;--fc-bg-muted:#1f2433;--fc-bg-input:#141820;--fc-bg-badge:#252b3d;--fc-bg-code:#12151f;--fc-bg-btn-start:#252b3d;--fc-bg-btn-end:#1f2433;--fc-bg-btn-hover-start:#2d3548;--fc-bg-btn-hover-end:#252b3d;--fc-text-primary:#eef0f6;--fc-text-muted:#9ba3b4;--fc-text-secondary:#7d8599;--fc-text-placeholder:#565e72;--fc-text-code-lang:#6b7289;--fc-text-on-accent:#fff;--fc-border:#2a3145;--fc-border-strong:#363d52;--fc-border-tile:#323a50;--fc-icon:#a8b0c4;--fc-icon-fill:#eef0f6;--fc-progress-track:#2a3145;--fc-success:#34d4be;--fc-danger:#f07178;--fc-primary:#6ba3f7;--fc-code-syntax:#7fdbca;--fc-shadow:#00000073;--fc-shadow-soft:#00000047;--fc-shadow-card:0 2px 12px #00000059, 0 0 0 1px #ffffff0d;--fc-overlay:#080a10d1;--fc-focus-ring:#6ba3f7;--fc-toggle-bg:#1f2433;--fc-toggle-border:#363d52;--fc-toggle-hover:#2a3145;--fc-bg-locked:#1c2030;--fc-border-locked:#3a4258;--fc-text-locked-title:#565e72;--fc-text-locked-muted:#454c60;--fc-icon-locked:#3a4258;--fc-lock-icon:#eef0f6;--fc-top-bar-title-accent:#9ba3b4eb}body{background-color:var(--fc-bg-page);min-height:100vh;font-family:var(--font-sans);color:var(--fc-text-primary);margin:0;transition:background-color .25s,color .25s}[data-theme=dark] body{background:radial-gradient(ellipse 90% 55% at 50% -15%,#3d6bb424,transparent),radial-gradient(ellipse 60% 40% at 100% 100%,#34d4be0a,transparent),var(--fc-bg-page)}#root{min-height:100vh}.app-top-bar{z-index:300;color:#fff;box-sizing:border-box;isolation:isolate;background:linear-gradient(#ffffff0b,#0000 42%),radial-gradient(80% 120% at 50% -30%,#34d4be14,#0000 55%),radial-gradient(50% 80% at 100%,#6ba3f70f,#0000 50%),linear-gradient(#232830,#1a1e26 52%,#14171d);border-bottom:1px solid #ffffff12;flex-shrink:0;justify-content:center;align-items:center;width:100%;min-height:64px;padding:10px 0;display:flex;position:sticky;top:0;box-shadow:0 8px 32px #00000052,inset 0 1px #ffffff0f}.app-top-bar:before{content:"";opacity:.85;pointer-events:none;background:linear-gradient(90deg,#0000,#34d4be8c 22%,#6ba3f7a6,#e8b84a73 78%,#0000);height:2px;position:absolute;inset:0 0 auto}.app-top-bar__score{cursor:pointer;-webkit-user-select:none;user-select:none;z-index:1;font:inherit;color:#fff;background:linear-gradient(135deg,#2dd4bf,#22c3b5 48%,#1aab9e);border:1px solid #ffffff38;border-radius:999px;align-items:center;gap:8px;max-width:min(44vw,300px);padding:7px 14px 7px 10px;transition:background .22s,border-color .22s,box-shadow .22s,transform .16s;display:inline-flex;position:absolute;top:50%;left:18px;transform:translateY(-50%);box-shadow:0 2px 10px #00000047,0 0 20px #22c3b52e,inset 0 1px #ffffff47}.app-top-bar__score:hover{background:linear-gradient(135deg,#3ee8d4,#28d4c4 48%,#22c3b5);border-color:#ffffff52;transform:translateY(calc(-50% - 1px));box-shadow:0 4px 16px #00000052,0 0 24px #22c3b552,inset 0 1px #ffffff57}.app-top-bar__score:active{transform:translateY(-50%)scale(.98)}.app-top-bar__score:focus-visible{outline-offset:3px;outline:2px solid #34d4be}.app-top-bar__score-empty{background:#ffffff12;border-color:#ffffff1f;box-shadow:inset 0 1px #ffffff0f,0 2px 8px #0000002e}.app-top-bar__score-empty:hover{background:#ffffff1c;border-color:#fff3;transform:translateY(calc(-50% - 1px));box-shadow:inset 0 1px #ffffff1a,0 4px 14px #00000038}.app-top-bar__score-empty .app-top-bar__score-label{color:#ffffffd1}.app-top-bar__score-empty .app-top-bar__score-icon{color:#ffffffa6;background:#ffffff14}.app-top-bar__score-icon{color:#fffffff2;background:#00000024;border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;display:inline-flex}.app-top-bar__score-icon svg{width:15px;height:15px}.app-top-bar__score-pseudo{font-family:var(--font-sans);letter-spacing:.02em;color:#ffffffeb;text-overflow:ellipsis;white-space:nowrap;min-width:0;max-width:88px;font-size:12px;font-weight:600;line-height:1;overflow:hidden}.app-top-bar__score-sep{background:#ffffff47;border-radius:1px;flex-shrink:0;width:1px;height:16px}.app-top-bar__score-label{font-family:var(--font-sans);letter-spacing:.02em;color:#fff;white-space:nowrap;font-size:13px;font-weight:700;line-height:1}.app-top-bar__score-value{font-family:var(--font-mono);letter-spacing:.03em;color:#fffffff2;white-space:nowrap;background:#0000002e;border-radius:999px;padding:3px 7px;font-size:11px;font-weight:600;line-height:1}.app-top-bar__title{box-sizing:border-box;text-align:center;flex-direction:column;align-items:center;gap:3px;max-width:960px;margin:0;padding:0 280px 0 200px;display:flex}.app-top-bar__actions{z-index:1;align-items:center;gap:0;display:flex;position:absolute;top:50%;right:18px;transform:translateY(-50%)}.app-top-bar__action-group{background:#00000038;border:1px solid #ffffff12;border-radius:14px;align-items:center;gap:3px;padding:4px;display:inline-flex;box-shadow:inset 0 1px #ffffff0d,0 2px 8px #0003}.app-top-bar__action-divider{background:linear-gradient(#0000,#ffffff24 30%,#ffffff24 70%,#0000);flex-shrink:0;width:1px;height:30px;margin:0 10px}.app-top-bar .progress-backup{flex-direction:row;align-items:center;position:relative}.app-top-bar .progress-backup-toolbar{gap:3px}.app-top-bar .progress-backup-feedback{white-space:nowrap;z-index:2;background:#0c0e14f0;border:1px solid #ffffff1a;border-radius:8px;max-width:none;margin:0;padding:6px 10px;font-size:11px;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 8px 24px #00000059}.app-top-bar .fc-header-icon-btn{color:#ffffffe0;background:#ffffff0a;border:1px solid #0000;border-radius:10px;width:36px;height:36px;transition:background .18s,color .18s,border-color .18s,box-shadow .18s,transform .14s}.app-top-bar .fc-header-icon-btn:hover{transform:translateY(-1px)}.app-top-bar .fc-header-icon-btn:active{transform:translateY(0)scale(.96)}.app-top-bar .fc-header-icon-btn svg{width:18px;height:18px}.app-top-bar .fc-header-icon-btn--danger{color:#f07178;background:#f0717814;border-color:#f0717838}.app-top-bar .fc-header-icon-btn--danger:hover{color:#fff;background:linear-gradient(#e04545,#d23333);border-color:#e04545;box-shadow:0 4px 14px #d2333359}.app-top-bar .fc-header-icon-btn--export{color:#6ba3f7;background:#6ba3f714;border-color:#6ba3f738}.app-top-bar .fc-header-icon-btn--export:hover{color:#fff;background:linear-gradient(#5aaff5,#469ae0);border-color:#5aaff5;box-shadow:0 4px 14px #469ae059}.app-top-bar .fc-header-icon-btn--import{color:#34d4be;background:#34d4be14;border-color:#34d4be38}.app-top-bar .fc-header-icon-btn--import:hover{color:#fff;background:linear-gradient(#2dd4bf,#22c3b5);border-color:#2dd4bf;box-shadow:0 4px 14px #22c3b559}.app-top-bar .fc-header-icon-btn--locale{color:#e8b84a;background:#e8b84a14;border-color:#e8b84a3d}.app-top-bar .fc-header-icon-btn--locale:hover{color:#1a1a1a;background:linear-gradient(#f0c55a,#e8b84a);border-color:#f0c55a;box-shadow:0 4px 14px #e8b84a52}.app-top-bar .fc-header-icon-btn:not([class*=--]):hover{color:#fff;background:#ffffff1f;border-color:#ffffff29;box-shadow:0 4px 12px #00000038}.fc-header-icon-btn--locale-text .fc-locale-toggle-label{letter-spacing:.06em;font-size:10px;font-weight:800;line-height:1}.app-top-bar__title-main{font-family:var(--font-sans);letter-spacing:-.01em;color:#fff;text-wrap:balance;text-shadow:0 1px 2px #00000059;font-size:18px;font-weight:700;line-height:1.15}.app-top-bar__title-accent{font-family:var(--font-sans);letter-spacing:.14em;text-transform:uppercase;color:#0000;background:linear-gradient(90deg,#9ba3b4f2,#34d4bed9);-webkit-background-clip:text;background-clip:text;font-size:10px;font-weight:600;line-height:1.1;transition:opacity .25s}@media(max-width:767px){.app-top-bar__title{padding:0 240px 0 170px}.app-top-bar__score-value{display:none}}@media(max-width:575px){.app-top-bar{min-height:56px;padding:8px 0}.app-top-bar__score{gap:6px;max-width:min(38vw,160px);padding:6px 10px 6px 8px;left:10px}.app-top-bar__score-icon{width:24px;height:24px}.app-top-bar__score-icon svg{width:13px;height:13px}.app-top-bar__actions{right:10px}.app-top-bar__action-divider{height:26px;margin:0 6px}.app-top-bar__action-group{border-radius:12px;padding:3px}.app-top-bar__title{padding:0 148px 0 118px}.app-top-bar__score-pseudo{max-width:56px;font-size:11px}.app-top-bar__score-sep{height:14px}.app-top-bar__score-label{font-size:12px}.app-top-bar__title-main{font-size:14px}.app-top-bar__title-accent{letter-spacing:.1em;font-size:9px}.app-top-bar .fc-header-icon-btn{border-radius:8px;width:32px;height:32px}.app-top-bar .fc-header-icon-btn svg{width:16px;height:16px}}.page-header-bar{justify-content:center;align-items:flex-start;width:100%;display:flex;position:relative}.fc-header-icon-btn{border:1px solid var(--fc-toggle-border);background:var(--fc-toggle-bg);width:40px;height:40px;color:var(--fc-icon);cursor:pointer;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;padding:0;transition:background .18s,color .18s,border-color .18s,box-shadow .18s,transform .14s;display:inline-flex}.fc-header-icon-btn:hover{background:var(--fc-toggle-hover);color:var(--fc-text-primary);box-shadow:0 4px 12px var(--fc-shadow-soft);transform:translateY(-1px)}.fc-header-icon-btn:active{transform:translateY(0)scale(.96)}.fc-header-icon-btn svg{width:20px;height:20px}.fc-header-icon-btn:focus-visible{outline:2px solid var(--fc-focus-ring);outline-offset:2px}.fc-header-icon-btn--danger{color:var(--fc-danger);border-color:var(--fc-danger)}@supports (color:color-mix(in lab,red,red)){.fc-header-icon-btn--danger{border-color:color-mix(in srgb,var(--fc-danger) 35%,var(--fc-toggle-border))}}.fc-header-icon-btn--danger:hover{color:var(--fc-text-on-accent);background:var(--fc-danger);border-color:var(--fc-danger)}.fc-header-icon-btn--export{color:var(--fc-primary);border-color:var(--fc-primary)}@supports (color:color-mix(in lab,red,red)){.fc-header-icon-btn--export{border-color:color-mix(in srgb,var(--fc-primary) 35%,var(--fc-toggle-border))}}.fc-header-icon-btn--export:hover{color:var(--fc-text-on-accent);background:var(--fc-primary);border-color:var(--fc-primary)}.fc-header-icon-btn--import{color:var(--fc-success);border-color:var(--fc-success)}@supports (color:color-mix(in lab,red,red)){.fc-header-icon-btn--import{border-color:color-mix(in srgb,var(--fc-success) 35%,var(--fc-toggle-border))}}.fc-header-icon-btn--import:hover{color:var(--fc-text-on-accent);background:var(--fc-success);border-color:var(--fc-success)}.fc-header-icon-btn--locale{color:#c9922e;border-color:#e8b84a}@supports (color:color-mix(in lab,red,red)){.fc-header-icon-btn--locale{border-color:color-mix(in srgb,#e8b84a 40%,var(--fc-toggle-border))}}.fc-header-icon-btn--locale:hover{color:#1a1a1a;background:#e8b84a;border-color:#e8b84a}[data-theme=dark] .fc-header-icon-btn:hover{border-color:#6ba3f759;box-shadow:0 0 12px #6ba3f71f}[data-theme=dark] .fc-header-icon-btn--danger:hover{border-color:var(--fc-danger);box-shadow:0 0 12px #f0717833}[data-theme=dark] .fc-header-icon-btn--export:hover{border-color:var(--fc-primary);box-shadow:0 0 12px #6ba3f738}[data-theme=dark] .fc-header-icon-btn--import:hover{border-color:var(--fc-success);box-shadow:0 0 12px #34d4be38}[data-theme=dark] .fc-header-icon-btn--locale:hover{border-color:#e8b84a;box-shadow:0 0 12px #e8b84a40}[data-theme=dark] .fc-study-card{border-color:var(--fc-border-strong);box-shadow:var(--fc-shadow-card)}[data-theme=dark] .deck .card-front{box-shadow:var(--fc-shadow-card)}[data-theme=dark] .rehearse-card-item{border:1px solid var(--fc-border);box-shadow:var(--fc-shadow-card)}[data-theme=dark] .fc-code-block{border:1px solid var(--fc-border)}[data-theme=dark] .playboard-page,[data-theme=dark] .study-page,[data-theme=dark] #fc-study-root,[data-theme=dark] .rehearse-page{background-color:#0000}[data-theme=dark] .nav-underline .tab-underline.active-red{border-bottom-color:var(--fc-danger)}@media(max-width:575px){.fc-header-icon-btn{width:36px;height:36px}.fc-header-icon-btn svg{width:18px;height:18px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}.gate-page{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#05060d;color:#eef0f6;opacity:0;transition:opacity .6s ease}.gate-page--revealed{opacity:1}.gate-page--success{pointer-events:none}.gate-page--success .gate-shell{animation:gate-success-lift .9s cubic-bezier(.22,1,.36,1) forwards}.gate-page--success .gate-aurora{animation:gate-aurora-burst .9s ease forwards}@keyframes gate-success-lift{to{opacity:0;transform:translateY(-28px) scale(1.03);filter:blur(6px)}}@keyframes gate-aurora-burst{to{opacity:.95;transform:scale(1.15)}}.gate-aurora{position:absolute;top:-20%;right:-20%;bottom:-20%;left:-20%;background:radial-gradient(ellipse 55% 45% at 20% 30%,rgba(70,154,224,.35),transparent 60%),radial-gradient(ellipse 50% 40% at 80% 70%,rgba(34,195,181,.28),transparent 55%),radial-gradient(ellipse 40% 35% at 50% 100%,rgba(107,80,220,.22),transparent 50%);animation:gate-aurora-drift 14s ease-in-out infinite alternate;filter:blur(40px)}@keyframes gate-aurora-drift{0%{transform:translate(0) rotate(0)}to{transform:translate(3%,-2%) rotate(3deg)}}.gate-grid{position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(107,163,247,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(107,163,247,.06) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 45%,black 20%,transparent 75%);mask-image:radial-gradient(ellipse 70% 60% at 50% 45%,black 20%,transparent 75%);animation:gate-grid-pulse 6s ease-in-out infinite}@keyframes gate-grid-pulse{0%,to{opacity:.45}50%{opacity:.75}}.gate-particles{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.gate-particle{position:absolute;border-radius:50%;background:radial-gradient(circle,#34d4bef2,#34d4be00 70%);animation:gate-particle-float linear infinite;opacity:0}@keyframes gate-particle-float{0%{opacity:0;transform:translateY(12px) scale(.6)}15%{opacity:.85}85%{opacity:.5}to{opacity:0;transform:translateY(-80px) scale(1.2)}}.gate-neural{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;opacity:.35;pointer-events:none}.gate-neural__svg{width:min(92vw,520px);height:auto;animation:gate-neural-spin 28s linear infinite}@keyframes gate-neural-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.gate-neural__node{fill:#6ba3f7d9;filter:drop-shadow(0 0 8px rgba(107,163,247,.8))}.gate-neural__node--f{fill:#34d4bef2;filter:drop-shadow(0 0 12px rgba(52,212,190,.9));animation:gate-node-pulse 2.4s ease-in-out infinite}.gate-neural__node--b,.gate-neural__node--e{animation:gate-node-pulse 3.2s ease-in-out infinite reverse}@keyframes gate-node-pulse{0%,to{opacity:.75}50%{opacity:1}}.gate-neural__link{stroke:#6ba3f740;stroke-width:1;stroke-dasharray:6 10;animation:gate-link-flow 4s linear infinite}@keyframes gate-link-flow{to{stroke-dashoffset:-32}}.gate-shell{position:relative;z-index:2;width:min(92vw,440px);padding:40px 36px 36px;border-radius:20px;background:#0c0e18b8;border:1px solid rgba(107,163,247,.22);box-shadow:0 24px 80px #0000008c,0 0 0 1px #ffffff0a inset,0 0 60px #469ae014;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);animation:gate-shell-enter .85s cubic-bezier(.22,1,.36,1) .1s both}@keyframes gate-shell-enter{0%{opacity:0;transform:translateY(32px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.gate-eyebrow{margin:0 0 12px;font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:#9ba3b4e6;animation:gate-fade-up .7s ease .25s both}.gate-title{margin:0 0 10px;display:flex;flex-direction:column;gap:4px;animation:gate-fade-up .7s ease .35s both}.gate-title__line{font-size:clamp(1.75rem,5vw,2.25rem);font-weight:800;line-height:1.05;letter-spacing:-.02em;background:linear-gradient(135deg,#fff,#b8d4ff 45%,#34d4be);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:gate-title-shimmer 5s linear infinite}@keyframes gate-title-shimmer{to{background-position:200% center}}.gate-title__accent{font-size:.95rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:#6ba3f7d9}.gate-subtitle{margin:0 0 28px;font-size:.95rem;line-height:1.5;color:#9ba3b4f2;animation:gate-fade-up .7s ease .45s both}@keyframes gate-fade-up{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.gate-form{display:flex;flex-direction:column;gap:14px;animation:gate-fade-up .7s ease .55s both}.gate-form--error .gate-input-wrap{animation:gate-shake .45s ease}.gate-form--error .gate-input{border-color:#f07178bf;box-shadow:0 0 0 3px #f0717826}@keyframes gate-shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-8px)}40%,80%{transform:translate(8px)}}.gate-label{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#9ba3b4d9}.gate-input-wrap{position:relative}.gate-input{width:100%;box-sizing:border-box;padding:14px 16px;border-radius:12px;border:1px solid rgba(107,163,247,.28);background:#080a12d9;color:#eef0f6;font:inherit;font-size:1rem;letter-spacing:.06em;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}.gate-input::placeholder{color:#6b7389a6;letter-spacing:.2em}.gate-input:focus{outline:none;border-color:#34d4bea6;box-shadow:0 0 0 3px #34d4be1f,0 0 24px #34d4be26;background:#080a12f2}.gate-input-glow{position:absolute;top:-1px;right:-1px;bottom:-1px;left:-1px;border-radius:13px;background:linear-gradient(120deg,#469ae059,#34d4be59);opacity:0;z-index:-1;filter:blur(10px);transition:opacity .25s ease}.gate-input:focus+.gate-input-glow{opacity:.55;animation:gate-glow-pulse 2.4s ease-in-out infinite}@keyframes gate-glow-pulse{0%,to{opacity:.35}50%{opacity:.7}}.gate-submit{position:relative;overflow:hidden;margin-top:4px;padding:14px 20px;border:none;border-radius:12px;background:linear-gradient(135deg,#469ae0,#22c3b5);color:#fff;font:inherit;font-size:.95rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,opacity .2s ease;box-shadow:0 8px 28px #22c3b540,0 0 0 1px #ffffff1f inset}.gate-submit:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 12px 36px #22c3b559,0 0 24px #469ae040,0 0 0 1px #ffffff29 inset}.gate-submit:active:not(:disabled){transform:translateY(0)}.gate-submit:disabled{opacity:.55;cursor:not-allowed}.gate-submit__shine{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.35) 50%,transparent 65%);transform:translate(-120%);animation:gate-shine 3.5s ease-in-out infinite}@keyframes gate-shine{0%,70%{transform:translate(-120%)}to{transform:translate(120%)}}.gate-form--success .gate-submit{background:linear-gradient(135deg,#34d4be,#6ba3f7);opacity:1}.gate-error{margin:0;font-size:.85rem;color:#f07178;animation:gate-fade-up .3s ease both}.gate-hint{margin:20px 0 0;font-size:.78rem;text-align:center;color:#6b7389bf;animation:gate-fade-up .7s ease .65s both}@media(max-width:480px){.gate-shell{padding:32px 22px 28px;border-radius:16px}.gate-neural{opacity:.22}}@media(prefers-reduced-motion:reduce){.gate-page,.gate-shell,.gate-aurora,.gate-grid,.gate-particle,.gate-neural__svg,.gate-neural__link,.gate-title__line,.gate-submit__shine,.gate-input-glow{animation:none!important}.gate-page{opacity:1}}.playboard-page{background-color:var(--fc-bg-page);min-height:100vh;padding-bottom:40px}.playboard-container{max-width:1140px;margin:0 auto;padding:0 15px;box-sizing:border-box}.playboard-tabs-row{width:100%}.nav-underline{position:relative;display:flex;align-items:center;flex-wrap:wrap;gap:4px 32px;list-style:none;padding:0;margin:0}.nav-underline-center{justify-content:center;width:100%}.nav-underline-spaced{margin:20px 0 25px}.nav-underline li{margin-left:0!important;font-size:17px}.nav-underline .tab-underline{font-weight:600;padding:5px 2px;margin:10px 0;opacity:.4;cursor:default;text-decoration:none;border-bottom:4px solid transparent;display:inline-flex;align-items:center;gap:8px;color:var(--fc-text-primary)}.nav-underline a.tab-underline{cursor:pointer}.nav-underline a.tab-underline:hover{opacity:.65;color:var(--fc-text-primary)}.nav-underline a.tab-underline.active-red:hover{opacity:1}.nav-underline .tab-underline.active-red{opacity:1;border-bottom:4px solid var(--fc-danger)}.tab-icon{width:18px;height:18px;flex-shrink:0}@media(max-width:575px){.tab-label{display:none}.nav-underline{gap:4px 22px}.playboard-tabs-row{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.playboard-tabs-row::-webkit-scrollbar{display:none}.nav-underline-center{width:max-content;max-width:100%;margin-inline:auto}}.fc-module-header{display:flex;align-items:center;justify-content:space-between;margin:clamp(16px,2.5vw,22px) 0 clamp(12px,2vw,18px);width:100%}.fc-module-title{display:flex;justify-content:center;align-items:center}.fc-module-title .module-logo{height:26px;width:auto;margin-right:15px;flex-shrink:0;display:block}.fc-module-title h2{margin:0;font-size:1.7rem;font-weight:500;color:var(--fc-text-primary)}.playboard-grid{container-type:inline-size;display:flex;flex-wrap:wrap;justify-content:center;align-items:flex-start;gap:clamp(14px,2vw,22px) clamp(48px,3.5vw,36px);width:100%;margin-bottom:12px}.playboard-grid-item{flex:1 1 132px;width:auto;min-width:min(132px,100%);max-width:172px;margin-bottom:0}@container (min-width: 540px){.playboard-grid-item{flex-basis:138px;max-width:176px}}@container (min-width: 840px){.playboard-grid-item{flex-basis:144px;max-width:180px}}.deck{position:relative;width:100%;max-width:100%;margin:0 auto}.h-100-percent{height:100%}.deck .card-front{width:100%;aspect-ratio:150 / 220;height:auto;margin:0;position:relative;background-color:var(--fc-bg-surface);border:.5px solid var(--fc-border-tile);padding:10px;border-radius:2px;display:flex;justify-content:center;align-items:center;flex-direction:column;overflow:hidden;z-index:3;box-sizing:border-box}.deck .card-front .card-title{text-align:center;font-size:18px;line-height:21px;margin:0 0 10px;font-weight:500;color:var(--fc-text-primary);padding:0 4px}.deck .card-front .card-description{margin:0;text-align:center;font-size:12px;font-weight:200;color:var(--fc-text-muted)}.deck .card-front .deck-tile-icon{position:absolute;top:10px;left:10px;line-height:0}.deck .card-front .deck-tile-icon .module-logo{height:14px;width:auto;display:block}.deck-link{position:absolute;top:0;bottom:0;left:0;width:100%;z-index:4;text-decoration:none}.deck .card-front .card-ribbon{position:absolute;top:10px;right:-22px;transform:rotate(45deg);color:#fff;font-weight:500;font-size:15px;text-align:center;width:90px;z-index:5;line-height:1.4;padding:2px 0}.deck .card-front .card-ribbon-success{background-color:var(--fc-success);display:flex;align-items:center;justify-content:center}.deck .card-front .card-ribbon-danger{background-color:var(--fc-danger)}.deck .card-front .card-ribbon-mystery{background-color:#8b6fd4}.deck .card-front .card-ribbon-ongoing{background-color:#e5a845}.deck .card-front .card-ribbon-locked{background-color:#9aa0ad;display:flex;align-items:center;justify-content:center}.deck .card-front .card-ribbon-locked .horizontal-text svg{width:14px;height:14px;display:block}.deck .card-front .card-ribbon .horizontal-text{display:inline-flex;transform:rotate(-45deg)}.deck .card-front .percentage{padding:0 6px;position:absolute;bottom:15px;right:5px;color:var(--fc-text-secondary);text-align:center;border-radius:5px;font-size:12px;background:var(--fc-bg-badge);z-index:5}.deck .card-front .percentage-finished{padding:0 6px;position:absolute;bottom:5px;right:5px;color:var(--fc-text-secondary);text-align:center;border-radius:5px;font-size:12px;background:var(--fc-bg-badge);z-index:5}.deck-remove-btn{position:absolute;bottom:15px;left:5px;z-index:6;display:flex;align-items:center;justify-content:center;padding:3px 5px;margin:0;border:none;border-radius:5px;background:var(--fc-bg-badge);color:var(--fc-text-secondary);cursor:pointer;line-height:0;box-sizing:border-box;transition:color .15s ease,background-color .15s ease}.deck-remove-btn svg{display:block;width:12px;height:12px;flex-shrink:0}.deck-remove-btn:hover,.deck-remove-btn:focus-visible{color:var(--fc-danger);background:var(--fc-bg-surface);outline:none}.deck-remove-btn:focus-visible{box-shadow:0 0 0 2px var(--fc-danger)}.deck .card-front .card-progress{background-color:var(--fc-progress-track);border-radius:0 0 1px 1px;position:absolute;bottom:0;left:0;width:100%;height:10px;z-index:5;overflow:hidden}.deck .card-front .card-progress .mastered-progress-bar{background-color:var(--fc-success);opacity:.7;position:absolute;left:0;top:0;height:100%;transition:width 1s ease}.deck .card-front .card-progress .not-mastered-progress-bar{background-color:var(--fc-danger);opacity:.7;position:absolute;top:0;height:100%;transition:width 1s ease,left 1s ease}.deck .card-back-one{width:100%;aspect-ratio:150 / 220;height:auto;background-color:var(--fc-bg-surface);border:.5px solid var(--fc-border-tile);border-radius:2px;z-index:2;position:absolute;bottom:-1px;left:2px;transform:rotate(0);transition:.5s;box-sizing:border-box}.deck .card-back-two{width:100%;aspect-ratio:150 / 220;height:auto;background-color:var(--fc-bg-surface);border:.5px solid var(--fc-border-tile);border-radius:2px;z-index:1;box-shadow:1px 1px 1px var(--fc-shadow-soft);position:absolute;bottom:-2px;left:4px;transform:rotate(0);transition:.5s;box-sizing:border-box}.hoverable-deck:hover .card-back-one{transform:rotate(4deg);transition:.5s}.hoverable-deck:hover .card-back-two{transform:rotate(8deg);transition:.5s}.locked-deck .card-front-locked{background-color:var(--fc-bg-locked);border:.5px solid var(--fc-border-locked);box-shadow:none}.locked-deck .card-front-locked .card-title{color:var(--fc-text-locked-title);font-weight:400}.locked-deck .card-front-locked .card-description{color:var(--fc-text-locked-muted);font-weight:300}.locked-deck .card-front-locked .deck-tile-icon .module-logo{opacity:.35;filter:grayscale(1)}.locked-deck .card-back-one,.locked-deck .card-back-two{background-color:var(--fc-bg-locked);border:.5px solid var(--fc-border-locked)}.locked-deck .card-back-two{opacity:.85;box-shadow:1px 1px 1px var(--fc-shadow-soft)}.deck-add-tile{cursor:pointer;padding:0;font:inherit;text-align:inherit;background:none;border:none}.deck-add-tile:focus-visible{outline:2px solid var(--fc-focus-ring);outline-offset:2px}.deck-add-tile .add-deck-dice{display:inline-flex;align-items:center;justify-content:center;margin-bottom:8px;color:var(--fc-text-secondary);line-height:0}.deck-add-tile .add-deck-dice svg{width:28px;height:28px}.deck-add-tile:hover .add-deck-dice,.deck-add-tile:focus-visible .add-deck-dice{color:var(--fc-text-primary)}[data-theme=dark] .locked-deck .card-front-locked{box-shadow:none}[data-theme=dark] .deck .card-front .card-ribbon-locked{background-color:#565e72}.playboard-message{text-align:center;padding:40px 15px;color:var(--fc-text-secondary);font-size:16px}.playboard-message-error{color:var(--fc-danger)}.progress-backup{display:flex;flex-direction:column;align-items:flex-end;gap:4px}.progress-backup-toolbar{display:flex;align-items:center;gap:8px}.progress-backup-input{display:none}.progress-backup-feedback{margin:0;max-width:220px;font-size:11px;line-height:1.3;text-align:right}.progress-backup-feedback-success{color:var(--fc-success)}.progress-backup-feedback-error{color:var(--fc-danger)}.fc-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--fc-overlay);box-sizing:border-box}.fc-modal{width:100%;max-width:440px;background:var(--fc-bg-surface);border:.5px solid var(--fc-border-strong);border-radius:4px;box-shadow:0 8px 32px var(--fc-shadow);padding:24px;box-sizing:border-box}.fc-modal-title{margin:0 0 16px;font-size:20px;font-weight:600;color:var(--fc-text-primary)}.fc-modal-body{margin-bottom:24px}.fc-modal-body p{margin:0 0 12px;font-size:15px;line-height:1.5;color:var(--fc-text-secondary)}.fc-modal-body p:last-child{margin-bottom:0}.fc-modal-hint{font-size:14px!important;color:var(--fc-text-muted)!important}.fc-modal-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.fc-modal-btn{padding:8px 14px;font-size:14px;font-weight:500;border-radius:3px;border:.5px solid var(--fc-border-strong);cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease}.fc-modal-btn-secondary{background:var(--fc-bg-btn-start);color:var(--fc-text-primary)}.fc-modal-btn-secondary:hover{background:var(--fc-toggle-hover)}.fc-modal-btn-danger{background:var(--fc-danger);border-color:var(--fc-danger);color:var(--fc-text-on-accent)}.fc-modal-btn-danger:hover{filter:brightness(1.05)}.fc-modal-btn:focus-visible{outline:2px solid var(--fc-focus-ring);outline-offset:2px}.fc-modal-btn-primary{background:var(--fc-primary);border-color:var(--fc-primary);color:var(--fc-text-on-accent)}.fc-modal-btn-primary:hover:not(:disabled){filter:brightness(1.05)}.fc-modal-btn-primary:disabled{opacity:.45;cursor:not-allowed}.fc-modal-add-difficulty{max-width:480px}.fc-modal-reset{max-width:460px}.fc-modal-actions-reset{display:grid;gap:10px}@media(min-width:768px){.fc-modal-actions-reset{grid-template-columns:1fr auto auto;align-items:center}.fc-modal-reset-export{justify-self:start}}.fc-modal-pseudo{max-width:420px}.fc-modal-profile{max-width:520px;position:relative}.fc-profile-header{margin-bottom:20px}.fc-profile-topbar{display:flex;align-items:flex-end;gap:10px}.fc-profile-correct-count{margin:8px 0 0;text-align:center;font-size:12px;font-weight:500;line-height:1.4;color:var(--fc-text-secondary);font-variant-numeric:tabular-nums}.fc-profile-topbar .fc-modal-close{margin:0 0 2px;align-self:flex-end}.fc-modal-close{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:32px;height:32px;padding:0;border:none;border-radius:6px;background:transparent;color:var(--fc-text-muted);cursor:pointer;transition:color .15s ease,background-color .15s ease}.fc-modal-close svg{width:18px;height:18px;display:block}.fc-modal-close:hover,.fc-modal-close:focus-visible{color:var(--fc-text-primary);background:var(--fc-bg-muted);outline:none}.fc-modal-close:focus-visible{box-shadow:0 0 0 2px var(--fc-focus-ring)}.fc-profile-pseudo-field{display:flex;flex-direction:column;gap:8px;flex:1;min-width:0;font-size:14px;font-weight:600;color:var(--fc-text-primary)}.fc-profile-score{display:inline-flex;align-items:baseline;gap:4px;flex-shrink:0;padding:6px 12px;border-radius:999px;background:#34d4be1f;border:1px solid rgba(52,212,190,.24)}.fc-profile-score-value{font-size:24px;font-weight:800;line-height:1;letter-spacing:-.03em;color:var(--fc-text-primary);font-variant-numeric:tabular-nums}.fc-profile-score-label{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--fc-success)}.fc-profile-section-title{margin:0 0 8px;font-size:15px;font-weight:700;color:var(--fc-text-primary)}.fc-profile-skills{margin-bottom:0}.fc-profile-skills-hint{margin-bottom:12px!important}.skill-radar{position:relative;display:flex;flex-direction:column;align-items:center}.skill-radar__svg{width:100%;max-width:320px;height:auto;display:block}.skill-radar__grid-ring{fill:none;stroke:var(--fc-border-strong);stroke-width:1;opacity:.55}.skill-radar__axis{stroke-width:1.25}.skill-radar__profile{fill:url(#skill-radar-fill);stroke:var(--fc-success);stroke-width:2;stroke-linejoin:round}.skill-radar__vertex{stroke:var(--fc-bg-surface);stroke-width:1.5}.skill-radar__label{font-family:var(--font-sans);font-size:10px;font-weight:700;letter-spacing:.02em}.skill-radar__tick{font-family:var(--font-sans);font-size:8px;font-weight:600;fill:var(--fc-text-muted)}.skill-radar__empty{margin:8px 0 0;text-align:center;font-size:13px;color:var(--fc-text-muted)}.fc-profile-insights{display:flex;flex-direction:column;gap:10px;margin-top:16px;width:100%}.fc-profile-insight{display:flex;flex-direction:column;gap:6px}.fc-profile-insight-label{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--fc-text-muted)}.fc-profile-insight-tags{display:flex;flex-wrap:wrap;gap:6px}.fc-profile-tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.2}.fc-profile-tag--strong{background:#34d4be24;border:1px solid rgba(52,212,190,.28);color:var(--fc-success)}.fc-profile-tag--weak{background:#d2333314;border:1px solid rgba(210,51,51,.2);color:var(--fc-danger)}[data-theme=dark] .fc-profile-tag--weak{background:#f071781f;border-color:#f0717847;color:#f07178}.fc-modal-field{display:flex;flex-direction:column;gap:8px;margin-bottom:24px;font-size:14px;font-weight:600;color:var(--fc-text-primary)}.fc-modal-input{width:100%;box-sizing:border-box;padding:10px 12px;border:.5px solid var(--fc-border-strong);border-radius:4px;background:var(--fc-bg-input);color:var(--fc-text-primary);font:inherit;font-size:16px}.fc-modal-input:focus{outline:2px solid var(--fc-focus-ring);outline-offset:1px}.fc-modal-input::placeholder{color:var(--fc-text-placeholder)}.fc-add-difficulty-intro{margin:0 0 16px!important}.fc-difficulty-options{display:flex;flex-direction:column;gap:8px;margin-bottom:24px}.fc-difficulty-option{display:flex;flex-direction:column;align-items:flex-start;gap:4px;width:100%;padding:12px 14px;text-align:left;background:var(--fc-bg-btn-start);border:.5px solid var(--fc-border-strong);border-radius:4px;cursor:pointer;transition:border-color .2s ease,background .2s ease,opacity .2s ease}.fc-difficulty-option:hover:not(:disabled){background:var(--fc-toggle-hover)}.fc-difficulty-option-selected{border-color:var(--fc-primary);box-shadow:inset 0 0 0 1px var(--fc-primary)}.fc-difficulty-option-disabled{opacity:.45;cursor:not-allowed}.fc-difficulty-option-label{font-size:15px;font-weight:600;color:var(--fc-text-primary)}.fc-difficulty-option-meta{font-size:13px;color:var(--fc-text-muted)}.deck-difficulty-stars{display:inline-flex;gap:2px;margin:2px 0 4px;line-height:1}.deck-difficulty-stars-compact{margin:0 0 2px}.deck-star{font-size:14px;letter-spacing:-1px}.deck-difficulty-stars-compact .deck-star{font-size:12px}.deck-star-filled{color:#e6a817}.deck-star-empty{color:var(--fc-border-strong);opacity:.35}@media(max-width:767px){.page-header-bar{flex-direction:column;align-items:stretch}.progress-backup{align-items:flex-end}.progress-backup-feedback{max-width:none}}.playboard-message code{background:var(--fc-bg-badge);padding:2px 6px;border-radius:3px;font-size:13px}#fc-study-root{background-color:var(--fc-bg-page);padding:30px 0;min-height:calc(100vh - 80px);box-sizing:border-box}.study-page{background-color:var(--fc-bg-page);min-height:100vh}.study-page-nav{padding-top:4px}#fc-study-root .fc-deck-stats,#fc-study-root .fc-study-flip-wrap,#fc-study-root .fc-study-actions{max-width:720px;margin-left:auto;margin-right:auto;padding-left:15px;padding-right:15px;box-sizing:border-box}.fc-deck-stats{text-align:center;margin-bottom:10px}.fc-deck-stats-message p{margin-bottom:6px;font-size:18px;line-height:1.45;color:var(--fc-text-muted)}.fc-deck-stats-message strong{font-weight:600;color:var(--fc-text-primary)}.fc-deck-stats-progress .progress{background-color:var(--fc-progress-track);width:100%;border-radius:3px;height:10px;margin:6px 0 16px;position:relative;overflow:hidden}.fc-deck-stats-progress .progress .mastered-progress-bar{transition:width 1s ease,left 1s ease;background-color:var(--fc-success);opacity:.7;position:absolute;left:0;top:0;height:100%}.fc-deck-stats-progress .progress .not-mastered-progress-bar{transition:width 1s ease,left 1s ease;background-color:var(--fc-danger);opacity:.7;position:absolute;top:0;height:100%}.fc-study-flip-wrap{position:relative;margin-bottom:8px}#fc-study-flip{display:grid;grid-template-columns:1fr;grid-template-rows:1fr;min-height:270px;position:relative;transition:transform .5s ease;transform-style:preserve-3d}#fc-study-flip.flipped{transform:rotateY(180deg)}.fc-study-card-front,.fc-study-card-back{grid-area:1 / 1;position:relative;width:100%}.fc-study-flip-wrap .invisible{visibility:hidden;pointer-events:none}.fc-study-card{padding:15px 30px;margin:10px 0;border:1px solid var(--fc-border);border-radius:3px;min-height:250px;display:flex;flex-direction:column;position:relative;overflow:hidden;background:var(--fc-bg-surface);box-sizing:border-box;backface-visibility:hidden;-webkit-backface-visibility:hidden}.fc-study-card-front{position:relative;z-index:2}.fc-study-card-back{transform:rotateY(180deg);box-sizing:border-box}.fc-study-card-header{margin-bottom:14px;width:100%;display:flex;flex-direction:row;justify-content:space-between;align-items:center}.fc-study-card-title{display:flex;justify-content:center;align-items:center}.fc-study-card-title h4{font-size:15px;font-weight:500;margin:0;font-family:system-ui,-apple-system,Segoe UI,Helvetica,sans-serif;color:var(--fc-text-primary)}.fc-study-card-title .module-logo{height:20px;width:auto;margin-right:8px;flex-shrink:0;display:block}.fc-study-card-controls{display:flex;align-items:center;gap:2px}.fc-study-card-controls-icon{font-size:18px;text-decoration:none;opacity:.6;padding:4px;display:inline-flex;align-items:center;color:var(--fc-icon);cursor:default}.fc-study-card-controls-icon svg{width:18px;height:18px}.fc-study-card-content{width:100%;flex:1 0 auto}.fc-study-card-content>p{font-size:16px;color:var(--fc-text-muted);letter-spacing:0;line-height:1.5;margin:0 0 14px}.fc-study-divider{border:none;border-top:1px solid var(--fc-border);margin:0 0 14px}#user-guess-text-area{width:100%;font-size:16px;resize:none;font-weight:300;margin-bottom:10px;max-height:52vh;overflow-y:auto;padding:10px 12px;border:1px solid var(--fc-border-strong);border-radius:2px;font-family:inherit;color:var(--fc-text-primary);background-color:var(--fc-bg-input);box-sizing:border-box;min-height:120px;line-height:1.5}#user-guess-text-area:focus{outline:none;border-color:var(--fc-primary);box-shadow:0 0 0 1px var(--fc-focus-ring)}#user-guess-text-area::placeholder{color:var(--fc-text-placeholder);font-weight:300}#user-guess-text-area.shake-right{transform:translate(10px);transition:transform .05s ease}#user-guess-text-area.shake-left{transform:translate(-10px);transition:transform .05s ease}.fc-answer{width:100%;margin-bottom:14px}.fc-answer p{font-size:16px;color:var(--fc-text-muted);letter-spacing:0;margin:0 0 12px;line-height:1.5}.fc-answer ul,.fc-answer ol{width:100%;margin:8px 0 12px;padding-left:24px;font-size:16px;color:var(--fc-text-muted);line-height:1.5}.fc-answer li{margin-bottom:6px}.fc-answer a{color:var(--fc-primary);text-decoration:underline;text-underline-offset:2px}.fc-answer a:hover{color:var(--fc-text-primary)}.fc-answer table{width:100%;border-collapse:collapse;margin:8px 0 12px;font-size:14px}.fc-answer th,.fc-answer td{border:1px solid var(--fc-border);padding:6px 10px;text-align:left}.fc-answer strong{color:var(--fc-text-primary)}.fc-code-block{background:var(--fc-bg-code);border-radius:2px;padding:12px 16px;margin:0;width:100%;max-width:100%;box-sizing:border-box;overflow-x:auto}.fc-code-lang{display:block;font-size:12px;color:var(--fc-text-code-lang);margin-bottom:6px;font-family:SFMono-Regular,Menlo,Monaco,Consolas,monospace}.fc-code-block code{display:block;font-size:16px;font-weight:600;color:var(--fc-code-syntax, var(--fc-success));font-family:SFMono-Regular,Menlo,Monaco,Consolas,monospace}.fc-btn-flip{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;font-size:14px;color:var(--fc-text-primary);background:linear-gradient(-180deg,var(--fc-bg-btn-start) 20%,var(--fc-bg-btn-end) 80%);border:.5px solid var(--fc-border-strong);border-radius:2px;cursor:pointer;font-family:inherit;line-height:1.4;margin-top:4px}.fc-btn-flip:hover{background:linear-gradient(-180deg,var(--fc-bg-btn-hover-start) 20%,var(--fc-bg-btn-hover-end) 80%)}.fc-btn-flip svg{width:14px;height:14px;opacity:.7}.fc-study-guess{max-width:720px;margin:16px auto 20px;padding:0 15px;box-sizing:border-box}.fc-study-guess p{font-size:15px;color:var(--fc-text-muted);margin:0 0 4px;line-height:1.5}.fc-study-guess p:first-child{margin-bottom:0!important}.fc-study-guess p:first-child strong{color:var(--fc-text-primary);font-weight:700}#user-guess-render{white-space:pre-wrap;margin-top:6px}.fc-study-actions{display:flex;justify-content:center;gap:0;margin-top:8px;padding-bottom:30px;position:relative;z-index:1}.fc-study-actions .fc-action-btn{margin:0 10px;font-weight:100;display:flex;align-items:center;justify-content:center;color:#fff;opacity:.8;padding:14px 24px;font-size:16px;border:none;border-radius:2px;cursor:pointer;flex:1;max-width:320px;font-family:inherit}.fc-study-actions .fc-action-btn:hover{opacity:1}.fc-study-actions .fc-action-btn:disabled,.fc-study-actions .fc-action-btn:disabled:hover{opacity:.6;cursor:not-allowed}.fc-study-actions .fc-action-btn.fc-action-known{background-color:var(--fc-success)}.fc-study-actions .fc-action-btn.fc-action-unknown{background-color:var(--fc-danger)}@keyframes cardSlideLeft{to{transform:translate(-300%);opacity:0}}@keyframes cardSlideRight{to{transform:translate(300%);opacity:0}}@keyframes cardSlideIn{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}.cardSlideLeft{animation:cardSlideLeft .5s ease forwards}.cardSlideRight{animation:cardSlideRight .5s ease forwards}.cardSlideIn{animation:cardSlideIn .5s ease forwards}@media(max-width:640px){.fc-study-actions{flex-direction:column;align-items:stretch}.fc-study-actions .fc-action-btn{max-width:none;margin:6px 0;min-height:44px}}.rehearse-page{background-color:var(--fc-bg-page);min-height:calc(100vh - 80px);padding-bottom:40px}.rehearse-container{max-width:850px;margin:0 auto;padding:0 15px;box-sizing:border-box}@media(max-width:750px){.rehearse-container{padding:0 12px}}.rehearse-deck-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:20px 10px 24px;text-align:center}.rehearse-deck-header h4{display:flex;align-items:center;justify-content:center;gap:8px;margin:0;font-size:18px;font-weight:600;color:var(--fc-text-primary);flex:1;min-width:0}.rehearse-deck-header h4 .module-logo{width:22px;height:22px;flex-shrink:0;object-fit:contain}.rehearse-nav-btn{display:inline-flex;align-items:center;gap:4px;padding:8px 12px;font-size:14px;font-weight:500;text-decoration:none;color:var(--fc-text-primary);background-image:linear-gradient(-180deg,var(--fc-bg-btn-start) 20%,var(--fc-bg-btn-end) 80%);border:.5px solid var(--fc-border-strong);border-radius:3px;white-space:nowrap;max-width:40%;overflow:hidden;text-overflow:ellipsis;transition:background .2s ease}.rehearse-nav-btn:hover{background-image:linear-gradient(-180deg,var(--fc-bg-btn-hover-start) 20%,var(--fc-bg-btn-hover-end) 80%);color:var(--fc-text-primary)}.rehearse-nav-btn-placeholder{visibility:hidden;pointer-events:none}.rehearse-nav-btn svg{width:18px;height:18px;flex-shrink:0}.rehearse-nav-label{overflow:hidden;text-overflow:ellipsis}@media(max-width:575px){.rehearse-nav-label{display:none}}.rehearse-card-list{list-style:none;padding:0;margin:0}.rehearse-card-item{margin:0 0 12px;background:var(--fc-bg-surface);box-shadow:1px 1px 1px var(--fc-shadow);border-radius:2px}.rehearse-card-header{display:flex;align-items:stretch}.rehearse-card-question{flex:1;min-width:0;display:flex;justify-content:center;align-items:center;padding:20px;gap:12px;box-sizing:border-box;border:none;background:transparent;cursor:pointer;text-align:left;font:inherit;color:inherit}.rehearse-bookmark-btn{flex-shrink:0;align-self:center;margin-right:12px;width:32px;height:32px}.rehearse-card-question-content{overflow:hidden;flex-grow:1;min-width:0}.rehearse-card-module{display:flex;align-items:center;gap:6px;margin-bottom:5px;font-size:13px;color:var(--fc-text-secondary)}.rehearse-card-module .module-logo{width:16px;height:16px;flex-shrink:0;object-fit:contain}.rehearse-card-module span span{color:var(--fc-text-muted)}.rehearse-card-question-text{margin:0;font-size:16px;line-height:1.45;color:var(--fc-text-primary)}.rehearse-card-question-text code{font-family:var(--font-mono);font-size:.92em;background:var(--fc-bg-code);padding:1px 4px;border-radius:2px}.rehearse-card-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.rehearse-toggle-icon{display:flex;align-items:center;justify-content:center;width:32px;height:32px;color:var(--fc-icon);opacity:.6;transition:transform .2s ease,opacity .2s ease}.rehearse-card-item.is-open .rehearse-toggle-icon{transform:rotate(90deg)}.rehearse-card-answer{padding:0 20px 20px;border-top:1px solid var(--fc-border)}.rehearse-card-answer-inner{padding-top:16px}.rehearse-play-again{display:inline-block;margin-top:16px;font-size:15px;font-weight:500;color:var(--fc-primary);text-decoration:none}.rehearse-play-again:hover{text-decoration:underline;color:var(--fc-primary);filter:brightness(1.1)}.rehearse-continue-bar{text-align:center;margin:24px 10px 8px}.rehearse-continue-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;font-size:15px;font-weight:600;text-decoration:none;color:var(--fc-text-primary);background-image:linear-gradient(-180deg,var(--fc-bg-btn-start) 20%,var(--fc-bg-btn-end) 80%);border:.5px solid var(--fc-border-strong);border-radius:3px}.rehearse-continue-btn:hover{background-image:linear-gradient(-180deg,var(--fc-bg-btn-hover-start) 20%,var(--fc-bg-btn-hover-end) 80%)}.bookmark-btn{display:inline-flex;align-items:center;justify-content:center;padding:4px;border:none;background:transparent;color:var(--fc-icon);opacity:.6;cursor:pointer;transition:opacity .2s ease,color .2s ease,transform .15s ease}.bookmark-btn:hover{opacity:1}.bookmark-btn.is-active{color:var(--fc-danger);opacity:1}.bookmark-btn:focus-visible{outline:2px solid var(--fc-focus-ring);outline-offset:2px;border-radius:2px}.bookmark-btn svg{width:18px;height:18px}.bookmark-btn--study{font-size:18px}.bookmarks-page{background-color:var(--fc-bg-page);min-height:100vh;padding-bottom:40px}.bookmarks-container{max-width:850px;margin:0 auto;padding:0 15px;box-sizing:border-box}.bookmarks-empty{text-align:center;padding:48px 20px;color:var(--fc-text-secondary);font-size:16px;line-height:1.5}.bookmarks-list{list-style:none;padding:0;margin:0}.bookmarks-item{display:flex;align-items:flex-start;gap:8px;margin:0 0 12px;padding:16px;background:var(--fc-bg-surface);box-shadow:1px 1px 1px var(--fc-shadow);border-radius:2px;box-sizing:border-box}.bookmarks-item-main{flex:1;min-width:0}.bookmarks-item-module{display:flex;align-items:center;gap:6px;margin-bottom:8px;font-size:13px;color:var(--fc-text-secondary)}.bookmarks-item-module span span{color:var(--fc-text-muted)}.bookmarks-item-question{margin:0 0 12px;font-size:16px;line-height:1.45;color:var(--fc-text-primary)}.bookmarks-item-link{font-size:15px;font-weight:500;color:var(--fc-primary);text-decoration:none}.bookmarks-item-link:hover{text-decoration:underline}.bookmarks-item-remove{flex-shrink:0;margin-top:2px}.needs-attention-page{background-color:var(--fc-bg-page);min-height:100vh;padding-bottom:40px}.needs-attention-container{max-width:850px;margin:0 auto;padding:0 15px;box-sizing:border-box}.needs-attention-message{text-align:center;padding:24px 20px;color:var(--fc-text-secondary)}.needs-attention-message-error{color:var(--fc-danger)}.needs-attention-empty{text-align:center;padding:48px 20px;color:var(--fc-text-secondary);font-size:16px;line-height:1.5}.needs-attention-list{list-style:none;padding:0;margin:0}.needs-attention-item{margin:0 0 16px;padding:16px;background:var(--fc-bg-surface);box-shadow:1px 1px 1px var(--fc-shadow);border-radius:2px;box-sizing:border-box}.needs-attention-item-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:10px}.needs-attention-item-module{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--fc-text-secondary)}.needs-attention-item-module span span{color:var(--fc-text-muted)}.needs-attention-badge{flex-shrink:0;font-size:12px;font-weight:600;line-height:1.2;padding:4px 8px;border-radius:2px}.needs-attention-badge-muted{color:var(--fc-text-secondary);background:var(--fc-bg-page)}.needs-attention-badge-danger{color:var(--fc-danger);background:color-mix(in srgb,var(--fc-danger) 12%,transparent)}.needs-attention-progress{margin:0 0 10px;font-size:14px;color:var(--fc-text-secondary)}.needs-attention-deck-link{display:inline-block;font-size:15px;font-weight:500;color:var(--fc-primary);text-decoration:none}.needs-attention-deck-link:hover{text-decoration:underline}.needs-attention-card-list{list-style:none;padding:0;margin:14px 0 0;border-top:1px solid var(--fc-border-subtle, rgba(0, 0, 0, .08))}.needs-attention-card-item{padding:12px 0 0}.needs-attention-card-item+.needs-attention-card-item{margin-top:12px;padding-top:12px;border-top:1px solid var(--fc-border-subtle, rgba(0, 0, 0, .06))}.needs-attention-card-question{margin:0 0 8px;font-size:15px;line-height:1.45;color:var(--fc-text-primary)}.needs-attention-card-link{font-size:14px;font-weight:500;color:var(--fc-primary);text-decoration:none}.needs-attention-card-link:hover{text-decoration:underline}html{overflow-x:clip;-webkit-text-size-adjust:100%}body{overflow-x:clip}.app-top-bar{padding-top:max(8px,env(safe-area-inset-top,0px));padding-left:max(0px,env(safe-area-inset-left,0px));padding-right:max(0px,env(safe-area-inset-right,0px))}.playboard-container,.bookmarks-container,.needs-attention-container,.rehearse-container,.study-page-nav,#fc-study-root .fc-deck-stats,#fc-study-root .fc-study-flip-wrap,#fc-study-root .fc-study-actions{padding-left:max(15px,env(safe-area-inset-left,0px));padding-right:max(15px,env(safe-area-inset-right,0px))}.playboard-page,.bookmarks-page,.needs-attention-page,.study-page,.rehearse-page{padding-bottom:max(40px,env(safe-area-inset-bottom,0px))}button,a,[role=button],input,textarea,select{touch-action:manipulation}#user-guess-text-area{font-size:16px}@media(max-width:767px){.fc-header-icon-btn{width:44px;height:44px}.fc-header-icon-btn svg{width:20px;height:20px}.nav-underline .tab-underline{min-width:44px;min-height:44px;justify-content:center;margin:6px 0;padding:8px 4px}.deck-remove-btn{bottom:15px;left:5px;padding:4px 6px}.deck-remove-btn svg{width:14px;height:14px}.bookmark-btn{min-width:44px;min-height:44px;padding:10px}.fc-module-title h2{font-size:1.4rem}.fc-module-title .module-logo{height:24px}.fc-deck-stats-message p{font-size:16px}.fc-study-card{padding:14px 16px;min-height:220px}#fc-study-flip{min-height:240px}.fc-modal{padding:20px 16px;margin:0 max(0px,env(safe-area-inset-left,0px))}.fc-modal-actions{flex-direction:column-reverse;align-items:stretch}.fc-modal-actions-reset{grid-template-columns:1fr}.fc-modal-actions-reset .fc-modal-reset-export,.fc-modal-actions-reset .fc-modal-reset-cancel,.fc-modal-actions-reset .fc-modal-reset-danger{grid-column:auto;justify-self:stretch;width:100%}.fc-modal-btn{width:100%;min-height:44px}.bookmarks-item,.needs-attention-item,.rehearse-card-item,.rehearse-deck-header,.rehearse-continue-bar{margin-left:0;margin-right:0}}@media(max-width:380px){.deck .card-front .card-title{font-size:15px;line-height:1.15}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}