:root{color-scheme:light;font-family:Open Sans,Roboto,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background:#f0f0db;color:#30364f;overflow:auto}.app{min-height:100vh;height:100vh;display:flex;flex-direction:column;overflow:hidden}.top-bar{height:50px;background:#89deef;color:#fff;padding:0 20px;justify-content:space-between}.logo,.top-bar{display:flex;align-items:center}.logo{height:100%}.logo-button{display:flex;align-items:center;height:100%;background:transparent;border:none;padding:0;cursor:pointer}.top-nav{display:flex;gap:14px;font-size:12px}.top-nav a{color:#30364f;text-decoration:none;font-weight:600;letter-spacing:.04em;text-transform:uppercase}.top-nav a:hover{text-decoration:underline}.logo-image{height:60px;width:auto}.workspace{flex:1 1;background:#fff;display:grid;grid-template-columns:1fr 100px 1fr;height:calc(100vh - 56px - 92px);overflow:hidden;grid-gap:20px;gap:20px}.sub-bar{height:6px;background:#89deef}.intro{padding:16px 20px 10px;background:#fff;color:#30364f}.intro h1{font-size:22px;margin-bottom:6px}.intro p{font-size:14px;line-height:1.6;max-width:960px}.editor-panel{display:flex;flex-direction:column;padding:0 6px;min-height:0}.editor-toolbar{height:34px;background:#30364f;color:#f0f0db;justify-content:space-between;padding:0 8px}.editor-toolbar,.toolbar-left{display:flex;align-items:center}.toolbar-left{gap:8px}.toolbar-label{font-size:12px;font-weight:600}.tab-group{display:flex;gap:6px}.tab{background:transparent;border:1px solid #acbac4;color:#89deef;font-size:11px;padding:4px 8px;cursor:pointer}.tab.active{background:#89deef;border-color:#f0f0db;color:#30364f;font-weight:700}.toolbar-icons{display:flex;align-items:center;gap:6px}.icon-btn{background:transparent;border:none;color:#f0f0db;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.icon{width:16px;height:16px}.editor-body{flex:1 1;display:flex;border:1px solid #acbac4;background:#fff;position:relative;overflow:hidden;min-height:0}.line-gutter{width:42px;background:#89deef;color:#30364f;font-size:12px;text-align:right;padding:8px 6px 8px 0;overflow:hidden}.line-number{height:20px;line-height:20px;padding-right:6px}.line-number.highlight{background:#fff}.line-number.error{background:#ffd8d8;color:#8d2a2a}.line-number.clickable{cursor:pointer}.editor-field{position:relative;flex:1 1;min-height:0}.line-highlight{position:absolute;top:8px;left:0;right:0;height:20px;background:#fff;pointer-events:none}.code-input{width:100%;height:100%;border:none;resize:none;padding:8px 12px;font-size:13px;line-height:20px;font-family:Courier New,monospace;background:transparent;position:relative;z-index:1;overflow:auto;scrollbar-gutter:stable;box-sizing:border-box}.code-input.error-text{color:#b83a3a}.code-input.success-text{color:#1f7a5c}.status-bar{height:28px;background:#89deef;border:1px solid #acbac4;border-top:none;display:flex;align-items:center;justify-content:space-between;padding:0 10px;font-size:12px;color:#30364f}.font-controls{display:inline-flex;gap:6px}.font-controls button{border:none;background:transparent;color:inherit;cursor:pointer;font-size:12px}.control-panel{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:0;gap:14px}.token-stack{text-align:center;color:#30364f}.token-stack.output{color:#1f7a5c;font-weight:700}.token-label{font-size:12px;letter-spacing:.08em;text-transform:uppercase}.token-value{font-size:clamp(36px,4.5vw,64px);line-height:1}@media (max-width:900px){body{overflow:auto}.app{height:auto;min-height:100vh}.workspace{grid-template-columns:1fr;grid-template-rows:auto auto auto;height:auto;overflow:visible;gap:16px;padding:12px 10px 16px}.editor-panel{padding:0}.control-panel{padding:8px 0}.editor-body{min-height:280px;max-height:60vh}.status-bar{font-size:11px}.token-value{font-size:36px}.control-panel{flex-direction:row;flex-wrap:wrap;gap:12px}.token-stack{flex:1 1 120px}.primary-btn{flex:0 0 auto}.ad-slot{min-height:50px}}.primary-btn{width:100%;max-width:100px;background:#89deef;color:#042f30;border:none;border-radius:6px;padding:10px 16px;font-size:14px;font-weight:600;cursor:pointer}.ad-slot{width:100%;min-height:60px}.content-page{max-width:980px;margin:0 auto;padding:40px 20px 60px;color:#30364f}.content-hero{margin-bottom:28px}.content-hero h1{font-size:clamp(28px,4vw,40px);margin-bottom:12px}.content-hero p{font-size:16px;line-height:1.6}.content-section{margin-top:24px}.content-section h2{font-size:22px;margin-bottom:10px}.content-section h3{font-size:16px;margin-bottom:8px}.content-section li,.content-section p{font-size:15px;line-height:1.6}.content-section ol,.content-section ul{padding-left:20px}.content-grid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.content-section pre{background:#f0f0db;border:1px solid #acbac4;padding:12px;overflow:auto;font-size:12px;line-height:1.5}.content-section a{color:#0f5a5f;text-decoration:none;font-weight:600}.content-section a:hover{text-decoration:underline}