:root{--bg: #f6f2e8;--bg-soft: #fffdf8;--ink: #1f2529;--ink-soft: #4a585e;--line: #d5cdc0;--accent: #0f766e;--accent-strong: #115e59;--accent-soft: #cce9e4;--danger: #be3f2f;--danger-soft: #fbe8e6;--warn: #9a6b13;--warn-soft: #fff2d8;--shadow: 0 24px 50px -30px rgba(21, 31, 39, .45)}*{box-sizing:border-box}body{margin:0;min-width:1200px;color:var(--ink);font-family:Avenir Next,Helvetica Neue,Trebuchet MS,sans-serif;background:radial-gradient(circle at 12% 14%,rgba(15,118,110,.11),transparent 32%),radial-gradient(circle at 86% 18%,rgba(190,63,47,.09),transparent 30%),linear-gradient(145deg,#f2ecdf,#f8f5ed 48%,#f4ede2)}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;opacity:.32;background-image:linear-gradient(to right,rgba(20,33,41,.06) 1px,transparent 1px);background-size:36px 36px}#root{position:relative;z-index:1}.app-shell{width:1200px;margin:36px auto 56px;animation:rise-in .36s ease-out}.hero{padding:30px 34px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(135deg,#fffef8,#fcf8ee);box-shadow:var(--shadow)}.hero h1{margin:2px 0 8px;font-size:48px;letter-spacing:.02em;font-family:Iowan Old Style,Palatino Linotype,serif}.eyebrow{margin:0;font-size:12px;letter-spacing:.19em;text-transform:uppercase;color:var(--accent-strong);font-weight:700}.hero-copy{margin:0;color:var(--ink-soft);max-width:720px;line-height:1.6}.topbar{display:flex;justify-content:space-between;align-items:center;margin:18px 0}.step-chip{margin:0;padding:9px 14px;border:1px solid var(--line);border-radius:999px;background:var(--bg-soft);font-size:13px;font-weight:600}.panel{border:1px solid var(--line);border-radius:20px;background:var(--bg-soft);padding:22px;box-shadow:var(--shadow)}.nested-panel{margin-top:20px}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.panel-header h2{margin:0;font-family:Iowan Old Style,Palatino Linotype,serif}.status-pill{padding:5px 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p{margin:0;font-size:13px;line-height:1.55;color:var(--ink-soft)}.explain-title{margin-bottom:4px!important;font-weight:700;color:var(--ink)}.code-block{margin:0;padding:12px;border-radius:10px;border:1px solid #d7cec0;background:#f7f2e8;line-height:1.45;overflow-x:auto;font-family:Consolas,Courier New,monospace;font-size:13px}.notice-text{margin:0 0 12px;color:var(--ink-soft)}.error-text{color:#8d2f24;font-weight:700}.guide-text{margin:0 0 12px;color:var(--ink-soft);font-size:13px;line-height:1.6}@keyframes rise-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}