:root,:root[data-theme=dark]{--bg:#0f1115;--bg-secondary:#171a21;--bg-elevated:#1e222b;--border:#2a2f3a;--text:#eef0f4;--text-secondary:#98a1b3;--accent:#22c55e;--accent-hover:#16a34a;--blue:#3b82f6;--danger:#ef4444;--danger-hover:#dc2626;--warning:#f59e0b;--shadow:0 4px 16px #0006;--radius:10px}:root[data-theme=light]{--bg:#f5f6f8;--bg-secondary:#fff;--bg-elevated:#fff;--border:#e1e4ea;--text:#16181d;--text-secondary:#5c6370;--accent:#16a34a;--accent-hover:#15803d;--blue:#2563eb;--danger:#dc2626;--danger-hover:#b91c1c;--warning:#d97706;--shadow:0 4px 16px #00000014;--radius:10px}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;transition:background .2s,color .2s}a{color:inherit}button{cursor:pointer;font-family:inherit}input,select,textarea{background:var(--bg-secondary);color:var(--text);border:1px solid var(--border);border-radius:8px;outline:none;padding:8px 10px;font-family:inherit;font-size:14px}input:focus,select:focus,textarea:focus{border-color:var(--blue)}.card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.btn{border:none;border-radius:8px;padding:9px 16px;font-size:14px;font-weight:600;transition:opacity .15s,background .15s}.btn:hover{opacity:.9}.btn-primary{background:var(--accent);color:#06210f}.btn-danger{background:var(--danger);color:#fff}.btn-secondary{background:var(--bg-elevated);color:var(--text);border:1px solid var(--border)}.btn-ghost{color:var(--text-secondary);border:1px solid var(--border);background:0 0}.text-danger{color:var(--danger)}.text-accent{color:var(--accent)}.text-secondary{color:var(--text-secondary)}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border);padding:10px 12px;font-size:14px}th{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.03em;font-size:12px;font-weight:600}.layout{min-height:100vh;display:flex}.sidebar{background:var(--bg-secondary);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;width:240px;padding:20px 16px;display:flex}.sidebar-logo{margin-bottom:28px;padding:0 8px;font-size:20px;font-weight:800}.sidebar-logo span{color:var(--accent)}.sidebar-nav{flex-direction:column;flex:1;gap:4px;display:flex}.sidebar-nav a{color:var(--text-secondary);border-radius:8px;align-items:center;gap:10px;padding:10px 12px;font-size:14px;font-weight:500;text-decoration:none;display:flex}.sidebar-nav a:hover{background:var(--bg-elevated);color:var(--text)}.sidebar-nav a.active{background:var(--bg-elevated);color:var(--accent)}.sidebar-footer{border-top:1px solid var(--border);margin-top:14px;padding-top:14px}.sidebar-user{color:var(--text-secondary);margin-bottom:10px;padding:0 8px;font-size:13px}.sidebar-user strong{color:var(--text);font-size:14px;display:block}.sidebar-actions{gap:8px;padding:0 8px;display:flex}.theme-toggle{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:8px 10px;font-size:14px}.logout-btn{flex:1}.content{flex:1;max-width:100%;padding:28px 36px;overflow-x:hidden}@media (width<=800px){.layout{flex-direction:column}.sidebar{flex-direction:row;align-items:center;width:100%;padding:12px 16px;overflow-x:auto}.sidebar-nav{flex-direction:row}.sidebar-footer{display:none}.content{padding:20px}}