:root{--teal: #0f766e;--teal-light: #ccfbf1;--teal-hover: #0d9488;--bg: #f8f9fa;--surface: #ffffff;--border: #e5e7eb;--border-soft: #f3f4f6;--text: #111827;--text-muted: #6b7280;--text-subtle: #9ca3af;--warn: #d97706;--warn-light: #fef3c7;--err: #dc2626;--err-light: #fee2e2;--ok-light: #dcfce7;--ok: #16a34a;--radius: 8px;--radius-sm: 5px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 16px rgba(0,0,0,.1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:IBM Plex Sans,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}.mono{font-family:IBM Plex Mono,Courier New,monospace}.header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.header-inner{max-width:1280px;margin:0 auto;padding:0 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