*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-base: #0d1117;--bg-surface: #161b22;--bg-elevated: #21262d;--bg-overlay: #30363d;--text: #e6edf3;--text-muted: #8b949e;--text-dim: #484f58;--border: #30363d;--border-sub: #21262d;--blue: #4f8ef7;--green: #3fb950;--orange: #d29922;--red: #f85149;--purple: #bc8cff;--radius: 6px;--sidebar-w: 220px}html,body,#root{height:100%}body{background:var(--bg-base);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,sans-serif;font-size:13px;line-height:1.5}.layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-w);background:var(--bg-surface);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto;flex-shrink:0}.sidebar h1{font-size:14px;font-weight:700;padding:16px 20px 12px;border-bottom:1px solid var(--border);color:var(--text)}.sidebar nav{padding:8px 0;flex:1}.sidebar nav a{display:block;padding:6px 20px;color:var(--text-muted);text-decoration:none;font-size:13px;border-left:2px solid transparent;transition:background .1s}.sidebar nav a:hover{background:var(--bg-elevated);color:var(--text)}.sidebar nav a.active{color:var(--blue);border-left-color:var(--blue);background:var(--bg-elevated)}.sidebar nav .sep{height:1px;background:var(--border-sub);margin:6px 16px}.main{flex:1;overflow-y:auto;display:flex;flex-direction:column}.mobile-topbar{display:none;align-items:center;justify-content:space-between;padding:0 16px;height:48px;background:var(--bg-surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}.mobile-topbar button{background:none;border:none;color:var(--text);font-size:18px;cursor:pointer;padding:8px;min-width:44px;min-height:44px}.sidebar-backdrop{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:98}.page-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 12px;border-bottom:1px 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th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);padding:8px 12px;border-bottom:1px solid var(--border);white-space:nowrap}tbody tr{border-bottom:1px solid var(--border-sub)}tbody tr:hover{background:var(--bg-elevated)}tbody td{padding:8px 12px;font-size:13px}.mono{font-family:SF Mono,Fira Code,monospace;font-size:12px}.actions{display:flex;gap:8px;opacity:0;transition:opacity .1s}tr:hover .actions{opacity:1}.badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}.badge-active{background:#3fb95026;color:var(--green)}.badge-inactive{background:#8b949e26;color:var(--text-muted)}.badge-open{background:#4f8ef726;color:var(--blue)}.badge-done{background:#3fb95026;color:var(--green)}.badge-warning{background:#d2992226;color:var(--orange)}.badge-error{background:#f8514926;color:var(--red)}.badge-purple{background:#bc8cff26;color:var(--purple)}.btn{padding:6px 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var(--border-sub);font-size:13px}.upcoming-list li:last-child{border-bottom:none}.upcoming-date{color:var(--text-muted);font-size:12px}.loading{padding:40px;text-align:center;color:var(--text-muted)}.empty{padding:40px;text-align:center;color:var(--text-dim)}@media (max-width: 1023px){.mobile-topbar{display:flex}.sidebar{position:fixed;left:-100%;top:0;bottom:0;z-index:99;transition:left .2s;width:260px}.sidebar.open{left:0}.sidebar-backdrop.open{display:block}}@media (max-width: 767px){.cards-grid{grid-template-columns:repeat(2,1fr)}.form-row{grid-template-columns:1fr}.page-header,.page-content{padding:14px 16px}}