:root{--bg: #0f1115;--sidebar-bg: #15181f;--border: #262a33;--text: #e5e7eb;--text-muted: #9ca3af;--accent: #60a5fa;--accent-bg: #1e293b;--hover: #1f232c;--input-bg: #1a1d24;--frame-bg: #ffffff;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg)}body{display:grid;grid-template-columns:300px 1fr;height:100vh;overflow:hidden}.sidebar{background:var(--sidebar-bg);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}.sidebar-header{padding:16px;border-bottom:1px solid var(--border)}.sidebar-header h1{margin:0 0 12px;font-size:16px;font-weight:600;text-align:center}#search{width:100%;padding:8px 10px;font-size:13px;border:1px solid var(--border);border-radius:6px;background:var(--input-bg);color:var(--text);outline:none}#search::placeholder{color:var(--text-muted)}#search:focus{border-color:var(--accent);background:var(--bg)}.report-list{list-style:none;margin:0;padding:8px 0;overflow-y:auto;flex:1}.report-item{padding:10px 16px;cursor:pointer;border-left:3px solid transparent;transition:background 80ms}.report-item:hover{background:var(--hover)}.report-item.active{background:var(--accent-bg);border-left-color:var(--accent)}.report-date{font-size:12px;color:var(--text-muted);font-variant-numeric:tabular-nums}.report-name{font-size:14px;margin-top:2px;word-break:break-word}.empty-state{padding:24px 16px;font-size:13px;color:var(--text-muted);line-height:1.5}.empty-state code{background:var(--hover);padding:1px 5px;border-radius:3px;font-size:12px}.viewer{position:relative;overflow:hidden}#report-frame{width:100%;height:100%;border:0;background:var(--frame-bg);display:none}#report-frame.active{display:block}.welcome{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:14px}