[hidden]{display:none!important}:root{--primary: #3B82F6;--primary-dark: #1D4ED8;--text: #1a1a1a;--text-muted: #6b7280;--border: #e5e7eb;--bg: #f3f4f6;--white: #ffffff;--success-bg: #dcfce7;--success-color: #16a34a;--error-bg: #fee2e2;--error-color: #dc2626;--radius: 8px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:15px}body{font-family:Inter,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh}a{color:inherit}.co-layout{display:grid;grid-template-columns:1fr 420px;max-width:1240px;margin:0 auto;min-height:calc(100vh - 64px)}.co-form-col{background:var(--white);padding:32px 48px 80px;border-right:1px solid var(--border)}.co-summary-col{background:#f9fafb;border-left:1px solid var(--border);padding:32px 28px;position:sticky;top:64px;height:calc(100vh - 64px);overflow-y:auto}.co-header{background:var(--white);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:200}.co-header-inner{max-width:1240px;margin:0 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