@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Fira+Code:wght@400;500&display=swap";body>footer{text-align:center;opacity:.75;border-top:1px solid color-mix(in srgb, currentColor 20%, transparent);padding:24px;font-size:.85rem}body>footer a{color:inherit}:root{--ad-slot-width:160px}@media (width<=1200px){aside.ad{display:none}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg-color:#f8fafc;--panel-bg:#fff;--editor-bg:#fff;--text-color:#0f172a;--text-secondary:#475569;--border-color:#e2e8f0;--border-hover:#cbd5e1;--accent-color:#2f6fed;--accent-hover:#1e59cf;--accent-light:#2f6fed1a;--btn-secondary-bg:#fff;--btn-secondary-text:#334155;--btn-secondary-border:#cbd5e1;--btn-secondary-hover:#f1f5f9;--success-color:#059669;--success-bg:#ecfdf5;--success-border:#a7f3d0;--error-color:#dc2626;--error-bg:#fef2f2;--error-border:#fca5a5;--modal-bg:#fff;--modal-overlay:#0f172a4d;--font-sans:"Inter", sans-serif;--font-mono:"Fira Code", monospace;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--transition-speed:.15s}html.dark{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg-color:#0b0f19;--panel-bg:#111827;--editor-bg:#0f172a;--text-color:#f3f4f6;--text-secondary:#9ca3af;--border-color:#1f2937;--border-hover:#374151;--btn-secondary-bg:#1f2937;--btn-secondary-text:#e5e7eb;--btn-secondary-border:#374151;--btn-secondary-hover:#2d3748;--success-color:#10b981;--success-bg:#10b9811a;--success-border:#10b98133;--error-color:#ef4444;--error-bg:#ef44441a;--error-border:#ef444433;--modal-bg:#111827;--modal-overlay:#0009}*{box-sizing:border-box;font-family:var(--font-sans);margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-color);min-height:100vh;transition:background-color var(--transition-speed) ease, color var(--transition-speed) ease;flex-direction:column;display:flex}header{background-color:var(--panel-bg);border-bottom:1px solid var(--border-color);z-index:10;box-shadow:var(--shadow-sm);transition:background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;justify-content:space-between;align-items:center;padding:1rem 2.5rem;display:flex;position:sticky;top:0}.header-brand{align-items:center;gap:12px;display:flex}.header-logo{object-fit:contain;border-radius:6px;width:32px;height:32px}.header-title{letter-spacing:-.025em;color:var(--text-color);font-size:1.25rem;font-weight:600}.header-actions{align-items:center;gap:10px;display:flex}main{grid-template-columns:var(--ad-slot-width) minmax(0, 1400px) var(--ad-slot-width);flex:1;justify-content:center;gap:2.5rem;padding:2.5rem 2rem;display:grid}@media (width<=1200px){main{grid-template-columns:minmax(0,1400px)}}section{flex-direction:column;width:100%;display:flex}.panel{background-color:var(--panel-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-md);transition:background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;border-radius:12px;flex-direction:column;display:flex;overflow:hidden}.main-panel{flex:1;min-height:600px;position:relative}#editor{flex-direction:column;flex:1;display:flex}.cm-editor{flex:1;height:100%}.cm-scroller{font-family:var(--font-mono)!important;font-size:.95rem!important}.cm-gutters{background-color:var(--panel-bg)!important;border-right:1px solid var(--border-color)!important;color:var(--text-secondary)!important}.cm-activeLineGutter{background-color:var(--accent-light)!important;color:var(--accent-color)!important}.cm-activeLine{background-color:var(--accent-light)!important}.btn{cursor:pointer;transition:all var(--transition-speed) ease;border:1px solid #0000;border-radius:8px;outline:none;justify-content:center;align-items:center;gap:8px;padding:.6rem 1.2rem;font-size:.9rem;font-weight:500;display:inline-flex}.btn:active{transform:translateY(0)}.btn-primary{background-color:var(--accent-color);color:#fff}.btn-primary:hover{background-color:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 12px #2f6fed33}.btn-secondary{background-color:var(--btn-secondary-bg);color:var(--btn-secondary-text);border-color:var(--btn-secondary-border)}.btn-secondary:hover{background-color:var(--btn-secondary-hover);border-color:var(--border-hover);transform:translateY(-1px)}#theme-toggle-btn{aspect-ratio:1;border-radius:8px;padding:.6rem}#theme-toggle-btn svg{display:block}html:not(.dark) #theme-toggle-btn .sun-icon,html.dark #theme-toggle-btn .moon-icon{display:none}.status-bar{border-top:1px solid var(--border-color);transition:background-color var(--transition-speed) ease, color var(--transition-speed) ease, border-color var(--transition-speed) ease;align-items:center;padding:.85rem 1.5rem;font-size:.9rem;font-weight:500;animation:.2s cubic-bezier(.16,1,.3,1) slideUp;display:flex}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.status-bar.success{background-color:var(--success-bg);color:var(--success-color);border-color:var(--success-border)}.status-bar.error{background-color:var(--error-bg);color:var(--error-color);border-color:var(--error-border)}.status-bar.hidden{display:none}.modal{background-color:var(--modal-overlay);z-index:100;opacity:1;justify-content:center;align-items:center;width:100%;height:100%;transition:opacity .2s;display:flex;position:fixed;top:0;left:0}.modal.hidden{opacity:0;display:none}.modal-content{background-color:var(--modal-bg);border:1px solid var(--border-color);width:90%;max-width:750px;max-height:85vh;box-shadow:var(--shadow-lg);transition:background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;border-radius:12px;flex-direction:column;animation:.2s cubic-bezier(.16,1,.3,1) modalScale;display:flex}@keyframes modalScale{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.modal-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;display:flex}.modal-header h2{color:var(--text-color);font-size:1.15rem;font-weight:600}.close-btn{color:var(--text-secondary);cursor:pointer;width:28px;height:28px;transition:all var(--transition-speed) ease;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;font-size:1.5rem;display:flex}.close-btn:hover{background-color:var(--btn-secondary-hover);color:var(--text-color)}.modal-body{background-color:var(--editor-bg);border-bottom:1px solid var(--border-color);flex:1;padding:1.5rem;overflow:auto}.modal-body pre{font-family:var(--font-mono);color:var(--text-color);white-space:pre-wrap;word-break:break-all;font-size:.9rem}.modal-footer{justify-content:flex-end;padding:1rem 1.5rem;display:flex}.app-viewport{flex-direction:column;min-height:100vh;display:flex}.page-content{max-width:760px;color:var(--text-secondary);flex-direction:column;gap:1.75rem;margin:0 auto;padding:1rem 1.5rem 4rem;font-size:.95rem;line-height:1.7;display:flex}.page-content h2{color:var(--text-color);border-bottom:1px solid var(--border-color);margin-bottom:.6rem;padding-bottom:.4rem;font-size:1.15rem}.page-content ul{padding-left:1.25rem}.page-content li{margin-bottom:.4rem}.page-content p{margin-bottom:.6rem}.page-content strong{color:var(--text-color)}.page-content code{background-color:var(--panel-bg);border:1px solid var(--border-color);border-radius:4px;padding:.1em .4em;font-size:.9em}