*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:#f5f7fa;color:#333;line-height:1.5;min-height:100vh;display:flex;flex-direction:column}

/* Nav */
.admin-nav{background:#1a1a2e;padding:0 24px;height:56px;display:flex;align-items:center}
.nav-container{max-width:1200px;margin:0 auto;width:100%;display:flex;justify-content:space-between;align-items:center}
.logo{color:#fff;text-decoration:none;font-size:1.2rem;font-weight:700;letter-spacing:-0.5px}
.nav-right{display:flex;align-items:center;gap:16px}
.user-name{color:rgba(255,255,255,0.7);font-size:0.9rem}
.btn-logout{color:rgba(255,255,255,0.7);text-decoration:none;font-size:0.85rem;padding:4px 12px;border:1px solid rgba(255,255,255,0.3);border-radius:4px;transition:all 0.2s}
.btn-logout:hover{color:#fff;border-color:#fff}

/* Main */
.admin-main{flex:1;padding:32px 24px}
.container{max-width:1200px;margin:0 auto}

/* Footer */
.admin-footer{text-align:center;padding:16px;font-size:0.8rem;color:#999;border-top:1px solid #e0e0e0}

/* Alerts */
.alert{padding:12px 16px;border-radius:6px;margin-bottom:20px;font-size:0.9rem}
.alert-success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}
.alert-error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}

/* Buttons */
.btn{display:inline-block;padding:10px 20px;border-radius:6px;text-decoration:none;font-size:0.9rem;font-weight:500;cursor:pointer;border:none;transition:all 0.2s}
.btn-primary{background:#0066cc;color:#fff}
.btn-primary:hover{background:#0052a3}
.btn-secondary{background:#6c757d;color:#fff}
.btn-secondary:hover{background:#5a6268}
.btn-warning{background:#ffc107;color:#333}
.btn-warning:hover{background:#e0a800}
.btn-danger{background:#dc3545;color:#fff}
.btn-danger:hover{background:#c82333}
.btn-block{display:block;width:100%;text-align:center}
.btn-sm{padding:6px 12px;font-size:0.8rem}

/* Auth */
.auth-container{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 150px)}
.auth-card{background:#fff;padding:40px;border-radius:8px;box-shadow:0 2px 12px rgba(0,0,0,0.08);width:100%;max-width:420px}
.auth-card h2{margin-bottom:24px;font-size:1.5rem;text-align:center}
.auth-link{text-align:center;margin-top:16px;font-size:0.9rem;color:#666}
.auth-link a{color:#0066cc}

/* Forms */
.form-container{background:#fff;padding:32px;border-radius:8px;box-shadow:0 2px 12px rgba(0,0,0,0.08);max-width:800px}
.form-container h2{margin-bottom:24px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-weight:500;margin-bottom:4px;font-size:0.9rem}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px 12px;border:1px solid #d0d5dd;border-radius:6px;font-size:0.9rem;font-family:inherit;transition:border-color 0.2s}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#0066cc;box-shadow:0 0 0 3px rgba(0,102,204,0.1)}
.form-group input[type="color"]{height:42px;padding:4px;cursor:pointer}
.form-group small{display:block;color:#888;font-size:0.8rem;margin-top:4px}
.form-group textarea{resize:vertical;font-family:'Courier New',monospace;font-size:0.85rem}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
.form-actions{display:flex;gap:12px;margin-top:24px;padding-top:24px;border-top:1px solid #e0e0e0}
fieldset{border:1px solid #e0e0e0;border-radius:8px;padding:20px;margin-bottom:24px}
legend{font-weight:600;font-size:0.95rem;padding:0 8px;color:#555}

/* Dashboard */
.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.dashboard-header h2{font-size:1.5rem}

.empty-state{text-align:center;padding:60px 20px;background:#fff;border-radius:8px;box-shadow:0 2px 12px rgba(0,0,0,0.08)}
.empty-state h3{margin-bottom:8px;color:#555}
.empty-state p{color:#888;margin-bottom:20px}

/* Site Cards */
.sites-grid{display:grid;gap:20px}
.site-card{background:#fff;border-radius:8px;box-shadow:0 2px 12px rgba(0,0,0,0.08);overflow:hidden}
.site-card-header{padding:16px 20px;display:flex;justify-content:space-between;align-items:center}
.site-card-header h3{font-size:1.1rem}
.badge{font-size:0.75rem;padding:3px 10px;border-radius:12px;font-weight:500}
.badge-active{background:#d4edda;color:#155724}
.badge-inactive{background:#f8d7da;color:#721c24}
.site-card-body{padding:0 20px 16px}
.info-row{display:flex;justify-content:space-between;padding:6px 0;font-size:0.85rem;border-bottom:1px solid #f0f0f0}
.info-row:last-child{border-bottom:none}
.info-row strong{color:#555}
.info-row span{color:#333;max-width:60%;text-align:right;word-break:break-all}
.site-card-actions{padding:12px 20px;background:#f8f9fa;display:flex;gap:8px;flex-wrap:wrap}

@media (max-width:600px){
  .admin-main{padding:16px}
  .form-row{grid-template-columns:1fr}
  .dashboard-header{flex-direction:column;gap:12px;align-items:flex-start}
  .site-card-actions{flex-direction:column}
  .form-actions{flex-direction:column}
}