:root{--bg-main: #1A1D24;--bg-card: #2C303A;--accent-primary: #2B6DF0;--accent-secondary: #5EA2FF;--text-main: #FFFFFF;--text-sub: #A0A5B1;--success: #4ADE80;--warning: #FBBF24;--error: #F87171;--info: #60A5FA;--border: #3F4552}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--bg-main);color:var(--text-main);min-height:100vh;font-size:14px;line-height:1.5}a{color:var(--accent-secondary);text-decoration:none}a:hover{color:var(--accent-primary)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-main)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}.app-container{display:flex;min-height:100vh}.sidebar{width:260px;background-color:var(--bg-card);padding:24px;display:flex;flex-direction:column;border-right:1px solid var(--border);position:fixed;top:0;left:0;bottom:0;overflow-y:auto;z-index:100}.main-content{flex:1;padding:32px;margin-left:260px;overflow-y:auto}.card{background-color:var(--bg-card);padding:24px;border-radius:12px;margin-bottom:24px;border:1px solid var(--border)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:24px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.stat-card{background:linear-gradient(135deg,var(--bg-card) 0%,#242830 100%);padding:24px;border-radius:12px;border:1px solid var(--border)}.stat-value{font-size:28px;font-weight:700;color:var(--accent-primary)}.stat-label{color:var(--text-sub);font-size:14px;margin-top:8px}table{width:100%;border-collapse:collapse;margin:16px 0}th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--border)}th{color:var(--text-sub);font-weight:500;font-size:13px;text-transform:uppercase;letter-spacing:.5px}tr:hover{background-color:#2b6df00d}.btn{padding:10px 20px;border-radius:6px;border:none;cursor:pointer;font-weight:600;font-size:14px;transition:all .2s;display:inline-flex;align-items:center;gap:8px}.btn-primary{background-color:var(--accent-primary);color:#fff}.btn-primary:hover{background-color:#1a5ac3}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text-main)}.btn-outline:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.btn-sm{padding:6px 12px;font-size:12px}.btn-danger{background-color:var(--error);color:#fff}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;color:var(--text-sub);font-size:13px;font-weight:500}input,select,textarea{width:100%;padding:10px 12px;background-color:var(--bg-main);border:1px solid var(--border);border-radius:6px;color:var(--text-main);font-size:14px;font-family:inherit}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 2px #2b6df033}.badge{padding:4px 10px;border-radius:4px;font-size:12px;font-weight:500;display:inline-block}.badge-success{background-color:#4ade8026;color:var(--success)}.badge-warning{background-color:#fbbf2426;color:var(--warning)}.badge-error{background-color:#f8717126;color:var(--error)}.badge-info{background-color:#60a5fa26;color:var(--info)}.nav-item{padding:12px 16px;margin-bottom:4px;border-radius:6px;cursor:pointer;color:var(--text-sub);display:flex;align-items:center;gap:10px;font-size:14px;transition:all .15s;text-decoration:none}.nav-item:hover{background-color:#2b6df01a;color:var(--text-main)}.nav-item.active{background-color:#2b6df033;color:var(--accent-primary);border-left:3px solid var(--accent-primary)}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000b3;z-index:1000;display:flex;align-items:center;justify-content:center}.modal-content{background-color:var(--bg-card);padding:32px;border-radius:12px;max-width:600px;width:90%;max-height:90vh;overflow-y:auto;border:1px solid var(--border)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.modal-close{cursor:pointer;color:var(--text-sub);font-size:24px;background:none;border:none}.modal-footer{margin-top:24px;display:flex;justify-content:flex-end;gap:12px}h1{font-size:28px;font-weight:700;margin-bottom:12px}h2{font-size:20px;font-weight:600;color:var(--accent-primary);margin-bottom:12px}h3{font-size:16px;font-weight:600;color:var(--text-sub)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-main)}.login-box{background:var(--bg-card);padding:48px;border-radius:16px;border:1px solid var(--border);width:100%;max-width:420px}.status-bar{margin-top:auto;padding:16px;background-color:var(--bg-main);border-radius:8px}@media(max-width:1024px){.grid-3{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.sidebar{display:none}.main-content{margin-left:0}.grid-3,.grid-2{grid-template-columns:1fr}}