:root{--ecq-bg: #ffffff;--ecq-fg: #111111;--ecq-muted: #6b7280;--ecq-border: #e5e7eb;--ecq-accent: #111111;--ecq-accent-fg: #ffffff;--ecq-radius: 12px;--ecq-font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--ecq-bg);color:var(--ecq-fg);font-family:var(--ecq-font);-webkit-font-smoothing:antialiased}.ecq-shell{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px}.ecq-shell.ecq-embed{min-height:auto;padding:16px}.ecq-quiz{width:100%;max-width:560px;display:flex;flex-direction:column;gap:24px}.ecq-head{display:flex;flex-direction:column;gap:12px}.ecq-title{margin:0;font-size:24px;font-weight:600;letter-spacing:-.01em}.ecq-intro{margin:0;color:var(--ecq-muted);font-size:15px;line-height:1.5}.ecq-progress{height:3px;background:var(--ecq-border);border-radius:999px;overflow:hidden}.ecq-progress-bar{height:100%;background:var(--ecq-accent);transition:width .24s ease}.ecq-step{display:flex;flex-direction:column;gap:20px}.ecq-prompt{margin:0;font-size:19px;font-weight:500;line-height:1.35}.ecq-options{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.ecq-option{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--ecq-border);border-radius:var(--ecq-radius);cursor:pointer;transition:border-color .12s ease,background .12s ease;font-size:15px}.ecq-option:hover{border-color:var(--ecq-fg)}.ecq-option.is-selected{border-color:var(--ecq-accent);background:#00000008}.ecq-option input{accent-color:var(--ecq-accent)}.ecq-text{width:100%;padding:14px 16px;border:1px solid var(--ecq-border);border-radius:var(--ecq-radius);font-size:15px;font-family:inherit;outline:none;transition:border-color .12s ease}.ecq-text:focus{border-color:var(--ecq-accent)}.ecq-nav{display:flex;gap:10px;justify-content:flex-end}.ecq-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:var(--ecq-accent);color:var(--ecq-accent-fg);padding:12px 22px;border-radius:var(--ecq-radius);font-size:15px;font-weight:500;cursor:pointer;font-family:inherit;transition:opacity .12s ease}.ecq-btn:disabled{opacity:.4;cursor:not-allowed}.ecq-btn-ghost{background:transparent;color:var(--ecq-fg);border:1px solid var(--ecq-border)}.ecq-status,.ecq-empty{color:var(--ecq-muted);font-size:15px}.ecq-done,.ecq-error{display:flex;flex-direction:column;gap:16px;align-items:flex-start}