:root{--primary-color:#2563eb;--primary-hover:#1d4ed8;--secondary-color:#64748b;--bg-color:#f1f5f9;--surface-color:#fff;--text-main:#0f172a;--text-muted:#64748b;--border-color:#e2e8f0;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--font-family:"Roboto", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{color:var(--text-main);font-weight:600}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:underline}button{font-family:var(--font-family);cursor:pointer}input,select,textarea{font-family:var(--font-family)}.card{background:var(--surface-color);border:1px solid var(--border-color);border-radius:8px;padding:24px;overflow-x:auto;box-shadow:0 1px 3px #0000001a}.layout-container{flex-direction:row;min-height:100vh;display:flex}.sidebar{color:#fff;background-color:#2c3e50;flex-direction:column;width:250px;padding:20px;display:flex}.main-content{background-color:#f8f9fa;flex-direction:column;flex:1;width:calc(100% - 250px);display:flex}.header-bar{background-color:#fff;border-bottom:1px solid #ddd;justify-content:flex-end;align-items:center;padding:15px 30px;display:flex}.content-area{flex:1;padding:30px;overflow-y:auto}.responsive-grid{grid-template-columns:repeat(4,1fr);gap:20px;display:grid}.responsive-flex{gap:20px;display:flex}.responsive-form-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.table-wrapper{width:100%;overflow-x:auto}.filters-container{background:#fff;border-radius:8px;gap:15px;margin-bottom:20px;padding:15px;display:flex;box-shadow:0 1px 3px #0000001a}@media (width<=768px){.layout-container{flex-direction:column}.sidebar{width:100%;padding:10px 15px}.sidebar nav{flex-wrap:wrap;flex-direction:row!important;gap:5px!important}.sidebar nav a{text-align:center;flex:1;font-size:13px;margin-top:0!important;padding:8px 5px!important}.sidebar h2{font-size:18px;margin-bottom:0!important}.sidebar p{margin-bottom:10px!important}.main-content{width:100%}.header-bar{justify-content:space-between;padding:10px 15px}.content-area{padding:15px}.responsive-grid{grid-template-columns:1fr}.responsive-flex{flex-direction:column}.responsive-form-grid{grid-template-columns:1fr}.filters-container{flex-direction:column;gap:10px}table th,table td{font-size:14px;padding:8px!important}}