:root{--bg: #f4f6f8;--surface: #ffffff;--border: #d9dee4;--border-strong: #b9c2cc;--text: #1c2733;--text-muted: #69788a;--text-faint: #93a1b0;--primary: #1f6fb2;--primary-soft: #e6f1fa;--accent: #0d47a1;--ok: #1c7c42;--ok-soft: #e5f4ea;--warn: #9a6b00;--warn-soft: #fdf3dd;--err: #b3261e;--err-soft: #fbe7e6;--review: #a63f80;--review-soft: #f7e7f0;--radius: 6px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .08);--shadow: 0 2px 8px rgba(16, 24, 40, .12);--sidebar-w: 232px;--topbar-h: 56px;--font: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;--mono: "Cascadia Code", Consolas, "SF Mono", Menlo, monospace}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);color:var(--text);background:var(--bg);font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin:0 0 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