:root{--gx-world1: #3b82f6;--gx-world2: #10b981;--gx-world3: #f59e0b;--gx-world4: #8b5cf6;--gx-world5: #ec4899;--gx-star: #f59e0b;--gx-star-empty: #d1d5db;--gx-surface-1: #ffffff;--gx-surface-2: #f3f4f6;--gx-surface-3: #e5e7eb;--gx-text-1: #111827;--gx-text-2: #6b7280;--gx-text-3: #9ca3af;--gx-border: #e5e7eb;--gx-border-focus: #3b82f6;--gx-graph-bg: #e5e7eb;--gx-success: #10b981;--gx-success-bg: #d1fae5;--gx-error: #ef4444;--gx-error-bg: #fee2e2;--gx-warning: #f59e0b;--gx-warning-bg: #fef3c7;--gx-info: #3b82f6;--gx-info-bg: #dbeafe;--gx-radius-xs: 4px;--gx-radius-sm: 6px;--gx-radius-md: 12px;--gx-radius-lg: 16px;--gx-radius-xl: 24px;--gx-radius-full: 9999px;--gx-shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--gx-shadow-md: 0 4px 12px rgba(0, 0, 0, .12);--gx-shadow-lg: 0 8px 30px rgba(0, 0, 0, .16);--gx-shadow-xl: 0 20px 60px rgba(0, 0, 0, .22);--gx-transition: .18s ease;--gx-transition-slow: .35s ease;--gx-topbar-height: 56px;--gx-sidebar-width: 220px;--gx-bottom-tab-height: 60px}.dark{--gx-surface-1: #111827;--gx-surface-2: #1f2937;--gx-surface-3: #374151;--gx-text-1: #f9fafb;--gx-text-2: #9ca3af;--gx-text-3: #6b7280;--gx-border: #374151;--gx-border-focus: #60a5fa;--gx-graph-bg: #0d0d1a;--gx-star-empty: #374151;--gx-success-bg: #064e3b;--gx-error-bg: #7f1d1d;--gx-warning-bg: #78350f;--gx-info-bg: #1e3a5f;--gx-shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--gx-shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--gx-shadow-lg: 0 8px 30px rgba(0, 0, 0, .5);--gx-shadow-xl: 0 20px 60px rgba(0, 0, 0, .6)}.gx-world-map{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem;padding:1rem 0}.gx-world-card{position:relative;display:flex;flex-direction:column;background:var(--gx-surface-1);border:1px solid var(--gx-border);border-radius:var(--gx-radius-lg);padding:1.5rem;cursor:pointer;transition:transform var(--gx-transition),box-shadow var(--gx-transition),border-color var(--gx-transition);overflow:hidden}.gx-world-card:hover{transform:translateY(-2px);box-shadow:var(--gx-shadow-md)}.gx-world-card:active{transform:translateY(0)}.gx-world-card-locked{cursor:default;opacity:.6}.gx-world-card-locked:hover{transform:none;box-shadow:none}.gx-world-card-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}.gx-world-card-icon{font-size:2rem;line-height:1;flex-shrink:0}.gx-world-card-meta{flex:1;min-width:0}.gx-world-card-name{font-size:1.1rem;font-weight:700;color:var(--gx-text-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.gx-world-card-motto{font-size:.78rem;font-style:italic;color:var(--gx-text-3);margin-top:.1rem}.gx-world-card-desc{font-size:.88rem;color:var(--gx-text-2);line-height:1.5;margin-bottom:1rem}.gx-world-star-count{font-size:.82rem;font-weight:600;color:var(--gx-text-2)}.gx-world-progress{height:6px;background:var(--gx-surface-3);border-radius:var(--gx-radius-full);overflow:hidden;margin-top:.75rem}.gx-world-progress-bar{height:100%;border-radius:var(--gx-radius-full);transition:width .5s cubic-bezier(.4,0,.2,1);min-width:0}.gx-world-lock-badge{position:absolute;top:1rem;right:1rem;font-size:1.5rem;opacity:.5}.gx-world-completed-badge{display:inline-flex;align-items:center;gap:.25rem;font-size:.75rem;font-weight:600;color:var(--gx-success);background:var(--gx-success-bg);padding:.15rem .5rem;border-radius:var(--gx-radius-full);margin-top:.5rem}.gx-level-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;padding:1rem 0}.gx-level-card{display:flex;flex-direction:column;align-items:center;text-align:center;background:var(--gx-surface-1);border:1px solid var(--gx-border);border-radius:var(--gx-radius-md);padding:1.25rem 1rem;cursor:pointer;transition:transform var(--gx-transition),box-shadow var(--gx-transition),border-color var(--gx-transition);text-decoration:none;color:inherit}.gx-level-card:hover{transform:translateY(-2px);box-shadow:var(--gx-shadow-sm)}.gx-level-card-locked{cursor:default;opacity:.45}.gx-level-card-locked:hover{transform:none;box-shadow:none}.gx-level-card-completed{border-color:var(--gx-success)}.gx-level-card-active{border-color:var(--gx-info);box-shadow:0 0 0 2px #3b82f626}.gx-level-card-icon{font-size:2rem;line-height:1;margin-bottom:.5rem}.gx-level-card-name{font-size:.92rem;font-weight:600;color:var(--gx-text-1);margin-bottom:.25rem}.gx-level-card-desc{font-size:.78rem;color:var(--gx-text-2);line-height:1.4;margin-bottom:.5rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.gx-level-card-stars{margin-top:.25rem}.gx-level-card-lock{font-size:1.5rem;opacity:.5}.gx-graph-pane{position:relative;width:100%;aspect-ratio:16 / 10;background:var(--gx-surface-2);border-radius:var(--gx-radius-md);overflow:hidden;border:1px solid var(--gx-border)}.gx-graph-pane canvas{width:100%;height:100%;display:block}.gx-graph-pane:empty:after{content:"Loading graph…";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:.9rem;color:var(--gx-text-3)}.gx-graph-controls{display:flex;flex-wrap:wrap;gap:.4rem;align-items:center;margin-top:.5rem}.gx-graph-control-btn{display:inline-flex;align-items:center;gap:.25rem;padding:.35rem .65rem;border-radius:var(--gx-radius-sm);border:1px solid var(--gx-border);background:var(--gx-surface-1);color:var(--gx-text-2);font-size:.78rem;font-weight:500;cursor:pointer;transition:background var(--gx-transition),color var(--gx-transition),border-color var(--gx-transition);white-space:nowrap}.gx-graph-control-btn:hover{background:var(--gx-surface-2);color:var(--gx-text-1);border-color:var(--gx-text-3)}.gx-graph-control-btn.active,.gx-graph-control-btn[aria-pressed=true]{background:var(--gx-info);color:#fff;border-color:var(--gx-info)}.gx-graph-control-btn[disabled]{opacity:.4;cursor:default}.gx-graph-separator{width:1px;height:1.2rem;background:var(--gx-border);margin:0 .15rem}.gx-graph-coords{position:absolute;bottom:.5rem;right:.5rem;padding:.2rem .5rem;background:#0000008c;color:#fff;font-family:SF Mono,Fira Code,monospace;font-size:.72rem;border-radius:var(--gx-radius-xs);pointer-events:none;backdrop-filter:blur(4px)}.gx-graph-pane-full{position:relative;width:100%;min-height:350px;background:var(--gx-graph-bg);border-radius:var(--gx-radius-md);border:1px solid var(--gx-border);overflow:hidden}.gx-graph-pane-full canvas{width:100%;height:100%;display:block}.gx-graph-pane-full:empty:after{content:"Loading graph…";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:.88rem;color:var(--gx-text-3)}.gx-expression-panel{display:flex;flex-direction:column;gap:.5rem;padding:.75rem;background:var(--gx-surface-1);border:1px solid var(--gx-border);border-radius:var(--gx-radius-md)}.gx-expression-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:.5rem;border-bottom:1px solid var(--gx-border);margin-bottom:.25rem}.gx-expression-header-title{font-size:.82rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--gx-text-3)}.gx-expression-row{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;background:var(--gx-surface-2);border-radius:var(--gx-radius-sm);transition:background var(--gx-transition)}.gx-expression-row:hover{background:var(--gx-surface-3)}.gx-expression-row-active{border-left:3px solid var(--gx-info);background:var(--gx-info-bg)}.gx-expression-row-active:hover{background:var(--gx-info-bg)}.gx-expression-color{width:12px;height:12px;border-radius:var(--gx-radius-full);flex-shrink:0}.gx-expression-latex{flex:1;font-family:SF Mono,Fira Code,monospace;font-size:.85rem;color:var(--gx-text-1)}.gx-expression-label{font-size:.78rem;color:var(--gx-text-3);flex-shrink:0}.gx-expression-toggle{display:inline-flex;align-items:center;justify-content:center;width:1.4rem;height:1.4rem;border-radius:var(--gx-radius-xs);border:1px solid var(--gx-border);background:var(--gx-surface-1);color:var(--gx-text-3);font-size:.7rem;cursor:pointer;flex-shrink:0;transition:background var(--gx-transition),border-color var(--gx-transition)}.gx-expression-toggle:hover{border-color:var(--gx-text-3);background:var(--gx-surface-2)}.gx-expression-toggle[aria-pressed=true]{background:var(--gx-info);border-color:var(--gx-info);color:#fff}.gx-expression-locked{opacity:.6;pointer-events:none}.gx-expression-input{width:100%;padding:.5rem .75rem;border:1px solid var(--gx-border);border-radius:var(--gx-radius-sm);background:var(--gx-surface-2);color:var(--gx-text-1);font-family:SF Mono,Fira Code,monospace;font-size:.88rem}.gx-expression-input:focus{outline:none;border-color:var(--gx-border-focus);box-shadow:0 0 0 3px #3b82f626}.gx-expression-input::placeholder{color:var(--gx-text-3)}.gx-expression-error{font-size:.75rem;color:var(--gx-error);margin-top:.15rem;padding-left:.75rem}.gx-expression-add-btn{display:flex;align-items:center;justify-content:center;gap:.4rem;padding:.45rem;border:1px dashed var(--gx-border);border-radius:var(--gx-radius-sm);background:transparent;color:var(--gx-text-3);font-size:.82rem;cursor:pointer;transition:color var(--gx-transition),border-color var(--gx-transition),background var(--gx-transition)}.gx-expression-add-btn:hover{color:var(--gx-info);border-color:var(--gx-info);background:var(--gx-info-bg)}.gx-task-card{background:var(--gx-surface-1);border:1px solid var(--gx-border);border-radius:var(--gx-radius-md);padding:1.25rem;margin-top:1rem}.gx-task-title{font-size:.82rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--gx-text-3);margin-bottom:.5rem}.gx-task-prompt{font-size:1rem;font-weight:600;color:var(--gx-text-1);line-height:1.5;margin-bottom:1rem}.gx-task-body{margin-bottom:.75rem}.gx-task-choices{display:flex;flex-direction:column;gap:.5rem}.gx-choice-btn{display:flex;align-items:center;gap:.75rem;width:100%;padding:.75rem 1rem;border:2px solid var(--gx-border);border-radius:var(--gx-radius-md);background:var(--gx-surface-1);color:var(--gx-text-1);font-size:.92rem;font-weight:500;cursor:pointer;transition:border-color var(--gx-transition),background var(--gx-transition),transform .1s ease;text-align:left}.gx-choice-btn:hover{border-color:var(--gx-info);background:var(--gx-info-bg)}.gx-choice-btn:active{transform:scale(.98)}.gx-choice-btn-selected{border-color:var(--gx-info);background:var(--gx-info-bg);font-weight:600}.gx-choice-btn-correct{border-color:var(--gx-success);background:var(--gx-success-bg)}.gx-choice-btn-wrong{border-color:var(--gx-error);background:var(--gx-error-bg)}.gx-choice-btn[disabled]{cursor:default;opacity:.7}.gx-choice-btn[disabled]:hover{transform:none}.gx-choice-index{display:inline-flex;align-items:center;justify-content:center;width:1.6rem;height:1.6rem;border-radius:var(--gx-radius-full);background:var(--gx-surface-3);color:var(--gx-text-2);font-size:.75rem;font-weight:700;flex-shrink:0}.gx-choice-btn-selected .gx-choice-index{background:var(--gx-info);color:#fff}.gx-choice-btn-correct .gx-choice-index{background:var(--gx-success);color:#fff}.gx-choice-btn-wrong .gx-choice-index{background:var(--gx-error);color:#fff}.gx-task-number-input{width:100%;max-width:120px;padding:.6rem .75rem;border:2px solid var(--gx-border);border-radius:var(--gx-radius-sm);background:var(--gx-surface-1);color:var(--gx-text-1);font-size:1.1rem;font-weight:600;text-align:center}.gx-task-number-input:focus{outline:none;border-color:var(--gx-border-focus);box-shadow:0 0 0 3px #3b82f626}.gx-task-feedback{padding:.75rem 1rem;border-radius:var(--gx-radius-sm);font-size:.88rem;font-weight:500;margin-top:.75rem}.gx-task-feedback-correct{background:var(--gx-success-bg);color:#065f46;border:1px solid var(--gx-success)}.dark .gx-task-feedback-correct{color:#6ee7b7}.gx-task-feedback-wrong{background:var(--gx-error-bg);color:#991b1b;border:1px solid var(--gx-error)}.dark .gx-task-feedback-wrong{color:#fca5a5}@keyframes gxToastIn{0%{opacity:0;transform:translate(-50%) translateY(10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.gx-feedback-toast{position:fixed;bottom:5.5rem;left:50%;transform:translate(-50%);z-index:9998;min-width:200px;max-width:min(360px,calc(100vw - 32px));padding:.875rem 1.25rem;border-radius:12px;display:flex;align-items:flex-start;gap:.625rem;font-size:.9rem;font-weight:500;line-height:1.45;box-shadow:0 8px 32px #00000024,0 2px 8px #00000014;animation:gxToastIn .22s cubic-bezier(.34,1.56,.64,1) both;pointer-events:auto}.gx-feedback-toast-correct{background:#ecfdf5;border:1px solid #6ee7b7;color:#065f46}.dark .gx-feedback-toast-correct{background:#064e3b;border-color:#34d399;color:#a7f3d0}.gx-feedback-toast-wrong{background:#fef2f2;border:1px solid #fca5a5;color:#991b1b}.dark .gx-feedback-toast-wrong{background:#450a0a;border-color:#f87171;color:#fca5a5}.gx-feedback-toast-icon{font-size:1.1rem;flex-shrink:0;line-height:1.45}.gx-feedback-toast-text{flex:1;min-width:0}.gx-feedback-math{display:inline;vertical-align:baseline}.gx-feedback-math .ML__latex{color:inherit}.gx-feedback-math-fallback{font-family:SF Mono,Fira Code,monospace;font-size:.85em;color:inherit;background:transparent;border:none;padding:0}.gx-task-actions{display:flex;gap:.5rem;margin-top:1rem;flex-wrap:wrap}.gx-task-progress{font-size:.82rem;color:var(--gx-text-3);margin-bottom:.5rem}.gx-star-rating{display:inline-flex;gap:2px}.gx-star{transition:color .2s ease,transform .3s ease}.gx-star-earned{color:var(--gx-star)}.gx-star-empty{color:var(--gx-star-empty)}.gx-star-sm .gx-star{font-size:.85rem}.gx-star-md .gx-star{font-size:1.1rem}.gx-star-lg .gx-star{font-size:1.8rem}.gx-star-xl .gx-star{font-size:2.5rem}.gx-level-complete{position:fixed;inset:0;z-index:9000;display:flex;align-items:center;justify-content:center;background:#0000008c;backdrop-filter:blur(4px);opacity:0;transition:opacity .3s ease;pointer-events:none}.gx-level-complete.visible,.gx-level-complete:not([hidden]){opacity:1;pointer-events:auto}.gx-level-complete[hidden]{display:none}.gx-level-complete-card{background:var(--gx-surface-1);border-radius:var(--gx-radius-xl);padding:2rem 2.5rem;max-width:420px;width:92%;text-align:center;box-shadow:var(--gx-shadow-xl);transform:scale(.9) translateY(20px);transition:transform .4s cubic-bezier(.34,1.56,.64,1)}.gx-level-complete.visible .gx-level-complete-card,.gx-level-complete:not([hidden]) .gx-level-complete-card{transform:scale(1) translateY(0)}.gx-level-complete-title{font-size:1.5rem;font-weight:800;color:var(--gx-text-1);margin-bottom:.75rem}.gx-level-complete-stars{font-size:2.5rem;margin:.5rem 0}.gx-task-indicator{font-size:.82rem;color:var(--gx-text-3);margin:0 0 .25rem}.dark .gx-task-indicator{color:var(--gx-text-3)}.gx-level-complete-facts{font-size:.9rem;color:var(--gx-text-2);line-height:1.6;margin:1rem 0;padding:.75rem 1rem;background:var(--gx-surface-2);border-radius:var(--gx-radius-sm);border-left:3px solid var(--gx-warning)}.gx-level-complete-facts blockquote{margin:0;font-style:italic}.gx-level-complete-stats{font-size:.82rem;color:var(--gx-text-3);display:flex;justify-content:center;gap:1.5rem;margin:.75rem 0}.gx-level-complete-stat{display:flex;flex-direction:column;align-items:center;gap:.15rem}.gx-level-complete-stat-value{font-weight:700;font-size:1rem;color:var(--gx-text-1)}.gx-level-complete-actions{display:flex;gap:.75rem;justify-content:center;margin-top:1.25rem;flex-wrap:wrap}.gx-unlock-overlay{position:fixed;inset:0;z-index:9500;display:flex;align-items:center;justify-content:center;background:#000000b3;backdrop-filter:blur(6px)}.gx-unlock-card{background:var(--gx-surface-1);border-radius:var(--gx-radius-xl);padding:2.5rem 3rem;text-align:center;max-width:400px;width:90%;box-shadow:var(--gx-shadow-xl)}.gx-unlock-world-icon{font-size:4rem;line-height:1;margin-bottom:.5rem}.gx-unlock-title{font-size:1.5rem;font-weight:800;color:var(--gx-text-1);margin:.5rem 0}.gx-unlock-desc{font-size:.92rem;color:var(--gx-text-2);margin-bottom:1.25rem}.gx-badge-wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem;padding:1rem 0}.gx-badge-card{display:flex;flex-direction:column;align-items:center;text-align:center;background:var(--gx-surface-1);border:1px solid var(--gx-border);border-radius:var(--gx-radius-md);padding:1.25rem .75rem;transition:transform var(--gx-transition),box-shadow var(--gx-transition)}.gx-badge-card-earned{border-color:var(--gx-warning)}.gx-badge-card-earned:hover{transform:translateY(-2px);box-shadow:var(--gx-shadow-sm)}.gx-badge-card-locked{opacity:.45;filter:grayscale(100%)}.gx-badge-icon{font-size:2.2rem;line-height:1;margin-bottom:.5rem}.gx-badge-name{font-size:.88rem;font-weight:700;color:var(--gx-text-1);margin-bottom:.2rem}.gx-badge-desc{font-size:.75rem;color:var(--gx-text-2);line-height:1.4}.gx-notebook-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;padding:1rem 0}.gx-notebook-card{display:flex;flex-direction:column;background:var(--gx-surface-1);border:1px solid var(--gx-border);border-radius:var(--gx-radius-md);padding:1rem;cursor:pointer;transition:transform var(--gx-transition),box-shadow var(--gx-transition);text-decoration:none;color:inherit}.gx-notebook-card:hover{transform:translateY(-2px);box-shadow:var(--gx-shadow-md)}.gx-notebook-card-icon{font-size:1.5rem;line-height:1;margin-bottom:.5rem}.gx-notebook-card-title{font-weight:700;color:var(--gx-text-1);font-size:.95rem;margin-bottom:.15rem}.gx-notebook-card-equation{font-size:.85rem;color:var(--gx-text-2);font-family:SF Mono,Fira Code,monospace;margin-bottom:.35rem}.gx-notebook-card-level{font-size:.8rem;color:var(--gx-text-3)}.gx-notebook-card-world-tag{display:inline-flex;align-items:center;gap:.2rem;font-size:.68rem;font-weight:600;padding:.1rem .4rem;border-radius:var(--gx-radius-full);color:#fff;margin-top:.5rem;align-self:flex-start}.gx-notebook-card-preview{width:100%;height:80px;background:var(--gx-surface-2);border-radius:var(--gx-radius-sm);margin-bottom:.75rem;overflow:hidden;display:flex;align-items:center;justify-content:center}.gx-notebook-card-preview canvas{width:100%;height:100%;display:block}.gx-notebook-card-preview:empty:after{content:"📈";font-size:1.5rem;opacity:.3}.gx-profile-card{background:var(--gx-surface-1);border:1px solid var(--gx-border);border-radius:var(--gx-radius-lg);padding:1.5rem;display:flex;align-items:center;gap:1.25rem;margin-bottom:1.5rem}.gx-profile-avatar{font-size:3rem;line-height:1;width:4rem;height:4rem;display:flex;align-items:center;justify-content:center;background:var(--gx-surface-2);border-radius:var(--gx-radius-full);flex-shrink:0}.gx-profile-name{font-size:1.25rem;font-weight:700;color:var(--gx-text-1)}.gx-profile-joined{font-size:.78rem;color:var(--gx-text-3)}.gx-profile-stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:1rem;margin-bottom:1.5rem}.gx-stat-block{background:var(--gx-surface-1);border:1px solid var(--gx-border);border-radius:var(--gx-radius-md);padding:1rem;text-align:center}.gx-stat-value{font-size:1.75rem;font-weight:800;color:var(--gx-text-1);line-height:1;margin-bottom:.25rem}.gx-stat-label{font-size:.78rem;color:var(--gx-text-3);font-weight:500}.gx-intro-section{display:flex;flex-direction:column;align-items:center;text-align:center;padding:2rem 1rem;max-width:560px;margin:0 auto}.gx-intro-mascot{font-size:4rem;line-height:1;margin-bottom:1rem}.gx-intro-speech{background:var(--gx-surface-2);border-radius:var(--gx-radius-lg);padding:1.25rem 1.5rem;font-size:1rem;line-height:1.6;color:var(--gx-text-1);position:relative;margin-bottom:1.5rem;max-width:480px;border:1px solid var(--gx-border)}.gx-intro-speech:before{content:"";position:absolute;top:-10px;left:50%;transform:translate(-50%);width:0;height:0;border-left:10px solid transparent;border-right:10px solid transparent;border-bottom:10px solid var(--gx-surface-2)}.gx-intro-speech strong{color:var(--gx-info)}.gx-intro-graph-name{font-size:1.5rem;font-weight:800;color:var(--gx-text-1);margin-bottom:.25rem}.gx-intro-graph-equation{font-size:1.1rem;color:var(--gx-text-2);font-family:SF Mono,Fira Code,monospace;margin-bottom:1rem}.gx-intro-graph-type{font-size:.82rem;color:var(--gx-text-3);font-weight:500;margin-bottom:.5rem}.gx-intro-graph-preview{width:100%;max-width:320px;aspect-ratio:4 / 3;background:var(--gx-surface-2);border:1px solid var(--gx-border);border-radius:var(--gx-radius-md);overflow:hidden;margin:.75rem auto 1rem}.gx-intro-graph-preview canvas{width:100%;height:100%;display:block}.gx-btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.65rem 1.5rem;border-radius:var(--gx-radius-md);background:var(--gx-info);color:#fff;font-size:.92rem;font-weight:700;border:none;cursor:pointer;transition:background var(--gx-transition),transform .1s ease,box-shadow var(--gx-transition);text-decoration:none;white-space:nowrap}.gx-btn-primary:hover{background:#2563eb;box-shadow:var(--gx-shadow-sm)}.gx-btn-primary:active{transform:scale(.97)}.gx-btn-primary[disabled]{opacity:.5;cursor:default}.gx-btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.6rem 1.25rem;border-radius:var(--gx-radius-md);background:var(--gx-surface-2);color:var(--gx-text-1);font-size:.88rem;font-weight:600;border:1px solid var(--gx-border);cursor:pointer;transition:background var(--gx-transition),border-color var(--gx-transition);text-decoration:none;white-space:nowrap}.gx-btn-secondary:hover{background:var(--gx-surface-3);border-color:var(--gx-text-3)}.gx-btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:.3rem;padding:.4rem .75rem;border-radius:var(--gx-radius-sm);background:transparent;color:var(--gx-text-2);font-size:.82rem;font-weight:500;border:none;cursor:pointer;transition:background var(--gx-transition),color var(--gx-transition);text-decoration:none}.gx-btn-ghost:hover{background:var(--gx-surface-2);color:var(--gx-text-1)}.gx-btn-success{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.65rem 1.5rem;border-radius:var(--gx-radius-md);background:var(--gx-success);color:#fff;font-size:.92rem;font-weight:700;border:none;cursor:pointer;transition:background var(--gx-transition),transform .1s ease;text-decoration:none}.gx-btn-success:hover{background:#059669}.gx-btn-danger{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.6rem 1.25rem;border-radius:var(--gx-radius-md);background:var(--gx-error-bg);color:var(--gx-error);font-size:.88rem;font-weight:600;border:1px solid var(--gx-error);cursor:pointer;transition:background var(--gx-transition)}.gx-btn-danger:hover{background:var(--gx-error);color:#fff}.gx-toast{position:fixed;bottom:calc(var(--gx-bottom-tab-height) + 1rem);left:50%;transform:translate(-50%) translateY(20px);background:var(--gx-surface-3);color:var(--gx-text-1);padding:.65rem 1.25rem;border-radius:var(--gx-radius-md);font-size:.88rem;font-weight:500;box-shadow:var(--gx-shadow-lg);z-index:8000;opacity:0;transition:opacity .3s ease,transform .3s ease;pointer-events:none;white-space:nowrap}.gx-toast.visible{opacity:1;transform:translate(-50%) translateY(0);pointer-events:auto}.gx-toast-success{background:var(--gx-success);color:#fff}.gx-toast-error{background:var(--gx-error);color:#fff}.gx-spinner{display:inline-block;width:1.5rem;height:1.5rem;border:3px solid var(--gx-surface-3);border-top-color:var(--gx-info);border-radius:50%;animation:gxSpin .7s linear infinite}.gx-spinner-lg{width:2.5rem;height:2.5rem;border-width:4px}@keyframes gxSpin{to{transform:rotate(360deg)}}.gx-hint-text{padding:.65rem 1rem;background:var(--gx-warning-bg);border-left:3px solid var(--gx-warning);border-radius:0 var(--gx-radius-sm) var(--gx-radius-sm) 0;font-size:.88rem;color:var(--gx-text-1);margin-top:.75rem}.gx-hint-text[hidden]{display:none}.gx-hint-popover{display:none;position:fixed;z-index:9999;max-width:min(320px,calc(100vw - 24px));padding:.75rem 1rem;background:#fefce8;border:1px solid #fde68a;border-radius:10px;box-shadow:0 4px 16px #0000001a,0 1px 4px #0000000f;font-size:.875rem;line-height:1.5;color:#78350f}.dark .gx-hint-popover{background:#451a03;border-color:#92400e;color:#fed7aa}.gx-hint-popover-text{margin:0}.gx-empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:3rem 1.5rem;color:var(--gx-text-3)}.gx-empty-state-icon{font-size:3.5rem;margin-bottom:1rem;opacity:.4}.gx-empty-state-title{font-size:1.1rem;font-weight:700;color:var(--gx-text-2);margin-bottom:.35rem}.gx-empty-state-desc{font-size:.88rem;color:var(--gx-text-3);max-width:320px;line-height:1.5}.gx-page-header{display:flex;align-items:center;gap:.75rem;padding:.75rem 0;margin-bottom:.5rem}.gx-page-title{font-size:1.5rem;font-weight:800;color:var(--gx-text-1)}.gx-page-subtitle{font-size:.92rem;color:var(--gx-text-2);font-weight:400}.gx-page-icon{font-size:1.75rem;line-height:1}.gx-page-badge{display:inline-flex;align-items:center;gap:.25rem;padding:.2rem .6rem;border-radius:var(--gx-radius-full);font-size:.75rem;font-weight:600;color:#fff}.gx-section-title{font-size:1.1rem;font-weight:700;color:var(--gx-text-1);margin:1.5rem 0 .75rem;padding-bottom:.35rem;border-bottom:1px solid var(--gx-border)}.gx-explore-layout{display:grid;grid-template-columns:1fr;gap:1rem}.gx-explore-instructions{font-size:.92rem;color:var(--gx-text-2);line-height:1.5;margin:.5rem 0;padding:.75rem 1rem;background:var(--gx-info-bg);border-radius:var(--gx-radius-sm);border:1px solid var(--gx-border)}.gx-explore-actions{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center;margin-top:.5rem}@media(min-width:768px){.gx-explore-layout-split{grid-template-columns:380px 1fr;align-items:stretch;height:calc(100dvh - var(--gx-topbar-height, 56px) - 6rem)}}.gx-level-controls-col{display:flex;flex-direction:column;gap:.75rem;overflow-y:auto;min-width:0;border-right:1px solid var(--gx-border);padding-right:1rem}#challenge-panel-mount,#ge-level-slider-panel{flex-shrink:0}.gx-level-graph-col{display:flex;flex-direction:column;min-width:0;height:100%}@media(min-width:768px){.gx-explore-layout-split .gx-graph-pane{flex:1;aspect-ratio:unset;min-height:0}}.gx-quiz-progress{display:flex;gap:.5rem;justify-content:center;margin-bottom:1rem}.gx-quiz-dot{width:10px;height:10px;border-radius:50%;background:var(--gx-surface-3);transition:background .2s ease,transform .2s ease}.gx-quiz-dot-active{background:var(--gx-info);transform:scale(1.3)}.gx-quiz-dot-correct{background:var(--gx-success)}.gx-quiz-dot-wrong{background:var(--gx-error)}.gx-quiz-graph-label{font-size:1.15rem;font-weight:700;color:var(--gx-text-1);text-align:center;margin-bottom:.25rem}.gx-quiz-graph-equation{font-size:.92rem;color:var(--gx-text-2);font-family:SF Mono,Fira Code,monospace;text-align:center;margin-bottom:.75rem}.gx-task-nav-row{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:.75rem}.gx-task-nav-btn{display:flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;border:1px solid var(--gx-border);border-radius:var(--gx-radius-sm);background:var(--gx-surface-1);color:var(--gx-text-2);font-size:1.1rem;line-height:1;cursor:pointer;transition:background .15s,color .15s,border-color .15s;flex-shrink:0}.gx-task-nav-btn:hover:not(:disabled){background:var(--gx-surface-2);color:var(--gx-text-1)}.gx-task-nav-btn:disabled{opacity:.35;cursor:not-allowed}.gx-task-nav-skip{font-size:.75rem;font-weight:600;color:var(--gx-text-3);background:transparent;border:none;cursor:pointer;padding:.15rem .4rem;border-radius:var(--gx-radius-sm);transition:color .15s,background .15s;white-space:nowrap;flex-shrink:0}.gx-task-nav-skip:hover{color:var(--gx-accent, #3b82f6);background:var(--gx-surface-2)}html.dark .gx-task-nav-btn{background:var(--gx-surface-2);border-color:var(--gx-border);color:var(--gx-text-2)}html.dark .gx-task-nav-btn:hover:not(:disabled){background:var(--gx-surface-3);color:var(--gx-text-1)}.gx-quiz-dot-skipped{background:#f59e0b}.gx-danger-zone{border:1px solid var(--gx-error);border-radius:var(--gx-radius-md);padding:1.25rem;margin-top:2rem}.gx-danger-zone-title{font-size:.92rem;font-weight:700;color:var(--gx-error);margin-bottom:.5rem}.gx-danger-zone-desc{font-size:.82rem;color:var(--gx-text-2);margin-bottom:1rem;line-height:1.5}.gx-confirm-overlay{position:fixed;inset:0;z-index:9800;display:flex;align-items:center;justify-content:center;background:#00000080}.gx-confirm-card{background:var(--gx-surface-1);border-radius:var(--gx-radius-lg);padding:1.5rem 2rem;max-width:380px;width:90%;text-align:center;box-shadow:var(--gx-shadow-xl)}.gx-confirm-title{font-size:1.1rem;font-weight:700;color:var(--gx-text-1);margin-bottom:.5rem}.gx-confirm-message{font-size:.88rem;color:var(--gx-text-2);line-height:1.5;margin-bottom:1.25rem}.gx-confirm-actions{display:flex;gap:.75rem;justify-content:center}@media(max-width:767px){.gx-explore-layout-split{display:flex;flex-direction:column}.gx-challenge-panel-container,.gx-level-controls-col{position:fixed;bottom:0;left:0;right:0;max-height:55vh;min-height:0;z-index:100;background:var(--gx-surface-1);border-top:1px solid var(--gx-border);border-radius:var(--gx-radius-xl) var(--gx-radius-xl) 0 0;box-shadow:var(--gx-shadow-xl);overflow-y:auto;transition:transform var(--gx-transition);padding-bottom:env(safe-area-inset-bottom,0px);padding-top:0rem}.gx-challenge-panel-container.collapsed,.gx-level-controls-col.collapsed{transform:translateY(calc(100% - 60px))}.gx-challenge-panel-container:before,.gx-level-controls-col:before{content:"";display:block;width:40px;height:4px;background:var(--gx-text-3);border-radius:2px;margin:8px auto 4px}#ge-level-canvas-wrapper{height:calc(100dvh - var(--gx-topbar-height) - 5rem - 60px);min-height:250px}.gx-task-card-actions{position:sticky;bottom:0;padding:.75rem;background:var(--gx-surface-1);border-top:1px solid var(--gx-border)}}@media(max-width:640px){.gx-world-map{grid-template-columns:1fr}.gx-level-grid{grid-template-columns:repeat(2,1fr);gap:.75rem}.gx-level-card{padding:1rem .75rem}.gx-level-card-icon{font-size:1.5rem}.gx-level-card-name{font-size:.82rem}.gx-level-card-desc{display:none}.gx-graph-pane{aspect-ratio:4 / 3}.gx-graph-pane-full{min-height:260px}.gx-graph-controls{gap:.3rem}.gx-graph-control-btn{padding:.3rem .5rem;font-size:.72rem}.gx-expression-panel{padding:.5rem}.gx-expression-row{padding:.4rem .5rem}.gx-expression-latex{font-size:.78rem}.gx-badge-wall{grid-template-columns:repeat(2,1fr)}.gx-notebook-grid{grid-template-columns:1fr}.gx-profile-stats{grid-template-columns:repeat(2,1fr)}.gx-level-complete-card{padding:1.5rem}.gx-level-complete-title{font-size:1.25rem}.gx-level-complete-stars{font-size:2rem}.gx-page-title{font-size:1.25rem}.gx-intro-section{padding:1.25rem .75rem}.gx-intro-mascot{font-size:3rem}.gx-intro-speech{font-size:.9rem;padding:1rem 1.25rem}.gx-task-card{padding:1rem}.gx-choice-btn{padding:.6rem .75rem;font-size:.85rem}.gx-toast{bottom:calc(var(--gx-bottom-tab-height) + .75rem);font-size:.82rem;padding:.55rem 1rem}.gx-explore-layout-split{grid-template-columns:1fr}.gx-unlock-card{padding:1.75rem 1.5rem}.gx-confirm-card{padding:1.25rem 1.5rem}}@media(max-width:380px){.gx-level-grid,.gx-badge-wall,.gx-profile-stats{grid-template-columns:1fr}.gx-level-complete-stats{flex-direction:column;gap:.75rem}}@media(min-width:641px)and (max-width:1023px){.gx-world-map{grid-template-columns:repeat(2,1fr)}.gx-level-grid{grid-template-columns:repeat(3,1fr)}.gx-notebook-grid{grid-template-columns:repeat(2,1fr)}.gx-badge-wall{grid-template-columns:repeat(3,1fr)}}@media(min-width:1024px){.gx-world-map{grid-template-columns:repeat(3,1fr)}.gx-level-grid{grid-template-columns:repeat(5,1fr)}.gx-notebook-grid{grid-template-columns:repeat(4,1fr)}.gx-badge-wall{grid-template-columns:repeat(5,1fr)}}@media print{.gx-graph-controls,.gx-bottom-tabs,.gx-toast,.gx-level-complete,.gx-unlock-overlay,.gx-new-badge-overlay,.gx-confirm-overlay,.gx-expression-toggle,.gx-expression-add-btn{display:none!important}.gx-graph-pane,.gx-graph-pane-full{border:1px solid #ccc;break-inside:avoid}.gx-world-card,.gx-level-card,.gx-badge-card,.gx-notebook-card{break-inside:avoid;box-shadow:none}.gx-task-card{break-inside:avoid}}@keyframes gxFadeIn{0%{opacity:0}to{opacity:1}}@keyframes gxSlideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes gxScaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes gxBounce{0%,to{transform:scale(1)}50%{transform:scale(1.15)}}@keyframes gxPulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes gxShake{0%,to{transform:translate(0)}20%,60%{transform:translate(-4px)}40%,80%{transform:translate(4px)}}.gx-animate-fade-in{animation:gxFadeIn .3s ease both}.gx-animate-slide-up{animation:gxSlideUp .35s ease both}.gx-animate-scale-in{animation:gxScaleIn .3s cubic-bezier(.34,1.56,.64,1) both}.gx-animate-bounce{animation:gxBounce .6s ease}.gx-animate-pulse{animation:gxPulse 1.5s ease-in-out infinite}.gx-animate-shake{animation:gxShake .4s ease}.gx-stagger>:nth-child(1){animation-delay:0s}.gx-stagger>:nth-child(2){animation-delay:.05s}.gx-stagger>:nth-child(3){animation-delay:.1s}.gx-stagger>:nth-child(4){animation-delay:.15s}.gx-stagger>:nth-child(5){animation-delay:.2s}.gx-stagger>:nth-child(6){animation-delay:.25s}.gx-stagger>:nth-child(7){animation-delay:.3s}.gx-stagger>:nth-child(8){animation-delay:.35s}.gx-stagger>:nth-child(9){animation-delay:.4s}.gx-stagger>:nth-child(10){animation-delay:.45s}.gx-stagger>:nth-child(11){animation-delay:.5s}.gx-stagger>:nth-child(12){animation-delay:.55s}.gx-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.gx-scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:thin}.gx-truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.gx-no-select{-webkit-user-select:none;user-select:none}.gx-flex-center{display:flex;align-items:center;justify-content:center}.gx-flex-between{display:flex;align-items:center;justify-content:space-between}.gx-flex-col{display:flex;flex-direction:column}.gx-gap-xs{gap:.25rem}.gx-gap-sm{gap:.5rem}.gx-gap-md{gap:1rem}.gx-gap-lg{gap:1.5rem}.gx-text-center{text-align:center}.gx-text-left{text-align:left}.gx-text-right{text-align:right}.gx-hidden{display:none!important}.gx-invisible{visibility:hidden}.gx-challenge-panel{display:flex;flex-direction:column;gap:0}.gx-task-card-header{margin-bottom:.75rem}.gx-task-card-badge{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--gx-text-3);background:var(--gx-surface-2);padding:.2rem .6rem;border-radius:var(--gx-radius-full)}.gx-task-card-prompt{font-size:1rem;font-weight:600;color:var(--gx-text-1);line-height:1.5;margin-bottom:1rem}.gx-task-input-area{margin-bottom:.75rem}.gx-task-card-actions{display:flex;gap:.5rem;margin-top:1rem;justify-content:flex-end;align-items:center}.gx-hint-area{margin-top:.5rem}.gx-task-explore-note{font-size:.9rem;color:var(--gx-text-2);font-style:italic;padding:.5rem 0}.gx-task-input-label{display:block;font-size:.85rem;font-weight:600;color:var(--gx-text-2);margin-bottom:.4rem}.gx-task-math-field{display:block;width:100%;min-height:2.5rem;padding:.5rem .75rem;border:2px solid var(--gx-border);border-radius:var(--gx-radius-sm);background:var(--gx-surface-1);font-size:1.1rem}.gx-task-math-field:focus-within{border-color:var(--gx-border-focus);box-shadow:0 0 0 3px #3b82f626}.gx-task-create-info{font-size:.9rem;color:var(--gx-text-2);padding:.75rem 1rem;background:var(--gx-surface-2);border-radius:var(--gx-radius-sm);border-left:3px solid var(--gx-info)}.gx-choice-label{flex:1;text-align:left}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.gx-world-card:hover,.gx-level-card:hover,.gx-badge-card-earned:hover,.gx-notebook-card:hover{transform:none}.gx-level-complete-card{transform:scale(1) translateY(0)}.gx-toast.visible{transform:translate(-50%) translateY(0)}.gx-choice-btn:active,.gx-btn-primary:active{transform:none}.gx-spinner{animation:gxSpin 1.5s linear infinite!important}}.ge-kbd-toggle-btn{display:inline-flex;align-items:center;gap:.35rem;padding:.3rem .7rem;border:1px solid #d1d5db;border-radius:999px;background:#fff;color:#374151;font-size:.72rem;font-weight:600;letter-spacing:.02em;cursor:pointer;transition:background .12s ease,color .12s ease,border-color .12s ease;white-space:nowrap}.ge-kbd-toggle-btn.ge-kbd-toggle-icon-only{padding:.3rem;border-radius:6px;background:transparent;border:none;box-shadow:none;color:#9ca3af}.ge-kbd-toggle-btn.ge-kbd-toggle-icon-only:hover{background:#f5f7fa;color:#111827}.ge-kbd-toggle-btn.ge-kbd-toggle-icon-only[aria-pressed=true]{background:#eff6ff;color:#3b82f6}.ge-kbd-toggle-btn.ge-kbd-toggle-icon-only[aria-pressed=true]:hover{background:#eff6ff;color:#2563eb}.ge-kbd-toggle-btn.ge-kbd-toggle-icon-only .ge-kbd-toggle-label,.ge-kbd-toggle-btn.ge-kbd-toggle-icon-only .ge-kbd-toggle-hint{display:none}.dark .ge-kbd-toggle-btn.ge-kbd-toggle-icon-only{color:#6b7280}.dark .ge-kbd-toggle-btn.ge-kbd-toggle-icon-only:hover{background:#1e2d42;color:#f1f5f9}.dark .ge-kbd-toggle-btn.ge-kbd-toggle-icon-only[aria-pressed=true]{background:#1e3a5f;color:#60a5fa}:root{--gx-topbar-height: 56px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px);--safe-right: env(safe-area-inset-right, 0px)}.gx-topbar[data-astro-cid-lggfijfq]{position:fixed;top:0;left:0;right:0;height:var(--gx-topbar-height);z-index:40;display:flex;align-items:center;gap:.75rem;padding:0 1rem;padding-top:var(--safe-top);background:#fff;border-bottom:1px solid #e5e7eb}.dark[data-astro-cid-lggfijfq] .gx-topbar[data-astro-cid-lggfijfq]{background:#111827;border-bottom-color:#374151}.gx-topbar-title[data-astro-cid-lggfijfq]{display:flex;align-items:center;gap:.4rem;font-weight:700;font-size:1rem;color:#111827;text-decoration:none;white-space:nowrap}.dark[data-astro-cid-lggfijfq] .gx-topbar-title[data-astro-cid-lggfijfq]{color:#f9fafb}.gx-topbar-stars[data-astro-cid-lggfijfq]{display:flex;align-items:center;gap:.25rem;margin-left:.5rem;font-size:.85rem;color:#6b7280;white-space:nowrap}.dark[data-astro-cid-lggfijfq] .gx-topbar-stars[data-astro-cid-lggfijfq]{color:#9ca3af}.gx-topbar-breadcrumb[data-astro-cid-lggfijfq]{display:none}.gx-topbar[data-astro-cid-lggfijfq]:has(.gx-topbar-breadcrumb>*) .gx-topbar-breadcrumb[data-astro-cid-lggfijfq]{display:flex;align-items:center;flex:1;min-width:0;overflow:hidden;margin-left:.5rem}.gx-nav-dropdown[data-astro-cid-lggfijfq]{position:relative;display:none;margin-left:auto}@media(min-width:768px){.gx-nav-dropdown[data-astro-cid-lggfijfq]{display:block}}.gx-nav-dropdown-btn[data-astro-cid-lggfijfq]{background:none;border:none;cursor:pointer;color:#6b7280;padding:.35rem;min-height:auto;min-width:auto;line-height:0;border-radius:.375rem;transition:background .15s,color .15s}.gx-nav-dropdown-btn[data-astro-cid-lggfijfq]:hover{background:#eff6ff;color:#1d4ed8}.dark[data-astro-cid-lggfijfq] .gx-nav-dropdown-btn[data-astro-cid-lggfijfq]{color:#9ca3af}.dark[data-astro-cid-lggfijfq] .gx-nav-dropdown-btn[data-astro-cid-lggfijfq]:hover{background:#1e3a5f;color:#60a5fa}.gx-nav-dropdown-panel[data-astro-cid-lggfijfq]{position:absolute;top:100%;right:0;margin-top:.5rem;min-width:180px;background:#fff;border:1px solid #e5e7eb;border-radius:.5rem;box-shadow:0 4px 12px #0000001a;padding:.25rem;z-index:50}.dark[data-astro-cid-lggfijfq] .gx-nav-dropdown-panel[data-astro-cid-lggfijfq]{background:#1f2937;border-color:#374151;box-shadow:0 4px 12px #00000073}.gx-nav-dropdown-panel[data-astro-cid-lggfijfq][hidden]{display:none}.gx-nav-dropdown-panel[data-astro-cid-lggfijfq] a[data-astro-cid-lggfijfq]{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;font-size:.875rem;font-weight:500;color:#374151;border-radius:.375rem;text-decoration:none;transition:background .15s,color .15s;white-space:nowrap}.gx-nav-dropdown-panel[data-astro-cid-lggfijfq] a[data-astro-cid-lggfijfq]:hover{background:#eff6ff;color:#1d4ed8}.gx-nav-dropdown-panel[data-astro-cid-lggfijfq] a[data-astro-cid-lggfijfq].active{background:#eff6ff;color:#1d4ed8;font-weight:600}.dark[data-astro-cid-lggfijfq] .gx-nav-dropdown-panel[data-astro-cid-lggfijfq] a[data-astro-cid-lggfijfq]{color:#e5e7eb}.dark[data-astro-cid-lggfijfq] .gx-nav-dropdown-panel[data-astro-cid-lggfijfq] a[data-astro-cid-lggfijfq]:hover,.dark[data-astro-cid-lggfijfq] .gx-nav-dropdown-panel[data-astro-cid-lggfijfq] a[data-astro-cid-lggfijfq].active{background:#1e3a5f;color:#60a5fa}.gx-topbar-right[data-astro-cid-lggfijfq]{display:flex;align-items:center;gap:.5rem;margin-left:.5rem}.gx-theme-btn[data-astro-cid-lggfijfq]{background:none;border:none;cursor:pointer;color:#6b7280;padding:.25rem;min-height:auto;min-width:auto;line-height:0}.dark[data-astro-cid-lggfijfq] .gx-theme-btn[data-astro-cid-lggfijfq]{color:#9ca3af}.gx-shell[data-astro-cid-lggfijfq]{display:flex;flex-direction:column;min-height:100dvh;padding-top:var(--gx-topbar-height)}.gx-content[data-astro-cid-lggfijfq]{flex:1;min-height:calc(100dvh - var(--gx-topbar-height));padding:1.5rem;max-width:1200px}.gx-content-wide[data-astro-cid-lggfijfq]{max-width:none}@media(max-width:767px){.gx-bottom-tabs[data-astro-cid-lggfijfq]{display:flex}.gx-content[data-astro-cid-lggfijfq]{padding:1rem .75rem;padding-bottom:60px}}@media(max-width:480px){.gx-topbar-title[data-astro-cid-lggfijfq] span[data-astro-cid-lggfijfq]:last-child{display:none}}.gx-star-icon[data-astro-cid-lggfijfq]{display:inline-block;vertical-align:-.1em;color:#f59e0b;flex-shrink:0}.dark[data-astro-cid-lggfijfq] .gx-star-icon[data-astro-cid-lggfijfq]{color:#fbbf24}.gx-nav-icon[data-astro-cid-lggfijfq]{display:inline-block;vertical-align:-.15em;flex-shrink:0}.gx-topbar-logo-icon[data-astro-cid-lggfijfq]{display:block;color:#3b82f6}.dark[data-astro-cid-lggfijfq] .gx-topbar-logo-icon[data-astro-cid-lggfijfq]{color:#60a5fa}.gx-bottom-tabs[data-astro-cid-lggfijfq]{display:none;position:fixed;bottom:0;left:0;right:0;height:60px;background:#fff;border-top:1px solid #e5e7eb;z-index:40;align-items:center;justify-content:space-around;padding:0 .25rem;padding-bottom:env(safe-area-inset-bottom,0px)}.dark[data-astro-cid-lggfijfq] .gx-bottom-tabs[data-astro-cid-lggfijfq]{background:#111827;border-top-color:#374151}.gx-tab-item[data-astro-cid-lggfijfq]{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.15rem;padding:.35rem .5rem;font-size:.65rem;font-weight:500;color:#6b7280;text-decoration:none;border-radius:.5rem;transition:color .15s,background .15s;min-width:0;flex:1;line-height:1}.dark[data-astro-cid-lggfijfq] .gx-tab-item[data-astro-cid-lggfijfq]{color:#9ca3af}.gx-tab-item[data-astro-cid-lggfijfq]:hover{color:#1d4ed8;background:#eff6ff}.dark[data-astro-cid-lggfijfq] .gx-tab-item[data-astro-cid-lggfijfq]:hover{color:#60a5fa;background:#1e3a5f}.gx-tab-active[data-astro-cid-lggfijfq]{color:#1d4ed8!important;background:#eff6ff}.dark[data-astro-cid-lggfijfq] .gx-tab-active[data-astro-cid-lggfijfq]{color:#60a5fa!important;background:#1e3a5f}