:root{--helix-color-background:#f7f8fa;--helix-color-border:#d9dee7;--helix-color-border-strong:#b8c2d1;--helix-color-muted:#5b6676;--helix-color-primary:#0b5cad;--helix-color-primary-strong:#083d77;--helix-color-surface:#fff;--helix-color-surface-subtle:#eef2f7;--helix-color-text:#111827;--helix-color-text-inverse:#fff;--helix-font-sans:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--helix-font-mono:"SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;--helix-radius-small:6px;--helix-radius-medium:8px;--helix-shadow-focus:0 0 0 3px #0b5cad38;--helix-space-small:.75rem;--helix-space-medium:1.25rem;--helix-space-large:2rem}*{box-sizing:border-box}html{background:var(--helix-color-background);color:var(--helix-color-text);font-family:var(--helix-font-sans)}body{min-height:100vh;margin:0}a{color:inherit}button,input,textarea{font:inherit}
.helix-frame{max-width:1120px;margin:0 auto;padding:48px 24px 64px}.helix-frame__header{justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:32px;display:flex}.helix-frame__header h1{letter-spacing:0;max-width:820px;margin:0;font-size:clamp(2rem,5vw,4.5rem);line-height:.98}.helix-frame__header p{color:var(--helix-color-muted);max-width:680px;margin:16px 0 0;font-size:1.05rem;line-height:1.6}.helix-frame__brand{color:var(--helix-color-text);margin:0 0 20px;font-size:.95rem;font-weight:700}.helix-frame__actions{flex:none;gap:12px;padding-top:4px;display:flex}.helix-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.helix-card,.helix-panel{background:var(--helix-color-surface);border:1px solid var(--helix-color-border);border-radius:var(--helix-radius-medium)}.helix-card{min-height:184px;padding:20px}.helix-card h2,.helix-panel h2{margin:0 0 10px;font-size:1.05rem;line-height:1.3}.helix-card p,.helix-panel p{color:var(--helix-color-muted);margin:0;line-height:1.55}.helix-card__label{color:var(--helix-color-primary);font-family:var(--helix-font-mono);letter-spacing:0;text-transform:uppercase;margin-bottom:14px;font-size:.76rem;font-weight:700}.helix-panel{padding:24px}.helix-button-link{background:var(--helix-color-text);border:1px solid var(--helix-color-text);border-radius:var(--helix-radius-small);color:var(--helix-color-text-inverse);align-items:center;min-height:40px;padding:0 14px;font-size:.95rem;font-weight:700;text-decoration:none;display:inline-flex}.helix-button-link:focus-visible{box-shadow:var(--helix-shadow-focus);outline:none}@media (max-width:800px){.helix-frame{padding:32px 18px 48px}.helix-frame__header{display:block}.helix-frame__actions{margin-top:20px}.helix-grid{grid-template-columns:1fr}}
.demo-layout{grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);gap:16px;display:grid}.demo-input-section{min-width:0}.demo-input{background:var(--helix-color-surface);border:1px solid var(--helix-color-border);border-radius:var(--helix-radius-medium);color:var(--helix-color-text);resize:vertical;width:100%;min-height:280px;padding:16px}.demo-input:focus{border-color:var(--helix-color-primary);box-shadow:var(--helix-shadow-focus);outline:none}.demo-toolbar{justify-content:space-between;align-items:center;gap:16px;margin-top:10px;display:flex}.demo-meta{color:var(--helix-color-muted);font-family:var(--helix-font-mono);gap:16px;min-width:0;font-size:.82rem;display:flex}.demo-button{background:var(--helix-color-text);border:1px solid var(--helix-color-text);border-radius:var(--helix-radius-small);color:var(--helix-color-text-inverse);cursor:pointer;justify-content:center;align-items:center;min-width:136px;min-height:40px;padding:0 14px;font-weight:700;display:inline-flex}.demo-button:disabled{cursor:not-allowed;opacity:.58}.demo-button:focus-visible{box-shadow:var(--helix-shadow-focus);outline:none}.demo-error{color:#9f1239;margin:12px 0 0;font-size:.9rem;line-height:1.5}.demo-panel-heading{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px;display:flex}.demo-panel-heading p{font-family:var(--helix-font-mono);font-size:.78rem}.demo-panel-list{gap:12px;margin:16px 0 0;padding:0;display:grid}.demo-panel-list li{background:var(--helix-color-surface-subtle);border:1px solid var(--helix-color-border);border-radius:var(--helix-radius-small);color:var(--helix-color-muted);gap:6px;padding:12px;list-style:none;display:grid}.demo-panel-list strong{color:var(--helix-color-text);font-size:.84rem}.demo-panel-list small{color:var(--helix-color-muted);font-family:var(--helix-font-mono);overflow-wrap:anywhere;font-size:.76rem}.demo-status{border:1px solid var(--helix-color-border);color:var(--helix-color-primary-strong);font-family:var(--helix-font-mono);white-space:nowrap;border-radius:999px;margin:0;padding:8px 10px;font-size:.82rem;font-weight:700;line-height:1}.demo-status--error{color:#9f1239}.demo-status--success{color:#166534}.demo-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0 0 20px;padding:0;list-style:none;display:grid}.demo-metrics li{border:1px solid var(--helix-color-border);border-radius:var(--helix-radius-small);gap:2px;min-height:64px;padding:10px;display:grid}.demo-metrics strong{font-family:var(--helix-font-mono);font-size:1.35rem;line-height:1}.demo-metrics span{color:var(--helix-color-muted);font-size:.78rem}.demo-result-section{margin-top:20px}.demo-result-section h3{margin:0 0 10px;font-size:.9rem;line-height:1.3}.demo-empty{background:var(--helix-color-surface-subtle);border:1px solid var(--helix-color-border);border-radius:var(--helix-radius-small);padding:12px}@media (max-width:860px){.demo-layout{grid-template-columns:1fr}}@media (max-width:520px){.demo-toolbar,.demo-panel-heading{flex-direction:column;align-items:stretch}.demo-button{width:100%}.demo-metrics{grid-template-columns:1fr}}