:root{--bg:#fff;--fg:#0b3d2e;--card:#f6f8f7;--radius:16px}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);font-family:system-ui,Segoe UI,Roboto,Ubuntu,Helvetica,Arial,sans-serif;color:#111}.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid #e6e6e6;position:sticky;top:0;background:#fff;z-index:10}.brand{display:flex;align-items:center;gap:10px}.logo{width:28px;height:28px}nav{display:flex;gap:8px;flex-wrap:wrap}.nav-btn{background:#fff;border:1px solid #e6e6e6;border-radius:999px;padding:8px 12px;cursor:pointer}.nav-btn:hover{border-color:#ccc}.container{padding:16px;max-width:1100px;margin:0 auto}.card{background:var(--card);border-radius:var(--radius);padding:16px;border:1px solid #e6e6e6;margin-bottom:12px}.grid{display:grid;gap:12px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}input,select,textarea{width:100%;padding:10px;border:1px solid #ddd;border-radius:10px}button.primary{background:var(--fg);color:#fff;border:none;padding:10px 16px;border-radius:10px;cursor:pointer}button.ghost{background:#fff;border:1px solid #ddd;padding:10px 16px;border-radius:10px;cursor:pointer}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#eaf4f0;color:var(--fg);font-size:12px}.kpi{display:flex;align-items:center;justify-content:space-between}.kpi strong{font-size:20px}.app-footer{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-top:1px solid #e6e6e6;color:#666}@media (max-width:768px){.grid-2,.grid-3{grid-template-columns:1fr}}