:root{--bg: #f7f7f5;--card: #ffffff;--line: #e3e3df;--text: #23231f;--muted: #77776f;--accent: #2f6f5a;--danger: #b3392f;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg: #16171a;--card: #1e2024;--line: #2f3237;--text: #e9e9e4;--muted: #9a9a92;--accent: #6bbfa0;--danger: #e0776c}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,Apple SD Gothic Neo,sans-serif}.app{max-width:980px;margin:0 auto;padding:24px 20px 60px}header{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap}header h1{font-size:20px;margin:0 0 12px}.users{display:flex;align-items:center;gap:8px}.tabs{display:flex;gap:4px;margin:16px 0;border-bottom:1px solid var(--line)}.tab{background:none;border:none;border-bottom:2px solid transparent;padding:8px 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