:root{--race-blue: #0066FF;--victory-orange: #FF6B35;--forest-green: #2D5A3D;--road-gray: #6B7280;--peloton-yellow: #F59E0B;--font-heading: "Space Grotesk", sans-serif;--font-body: "Inter", sans-serif}*{margin:0;padding:0;box-sizing:border-box}html,body{overflow-x:hidden;width:100%}body{font-family:var(--font-body);color:var(--road-gray);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-size-adjust:100%;-webkit-text-size-adjust:100%}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:#1f2937}.container{max-width:1200px;margin:0 auto;padding:0 20px}.nav{background:rgba(60,54,77,.9);-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);padding:1rem 0;position:sticky;top:0;z-index:100;border-bottom:2px solid #FBA500}.nav-content{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.8rem;font-weight:700;color:#fba500;text-shadow:2px 2px 4px 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.3s}.tab.active{color:#fba500;border-bottom-color:#fba500}.tab:hover{color:#3c364d}.admin-section{background:rgba(255,255,255,.95);border-radius:12px;padding:2rem;box-shadow:0 4px 15px #0000001a}.admin-controls{margin-bottom:2rem}.search-form{display:flex;gap:.5rem;align-items:center}.search-form input{flex:1;padding:.75rem;border:2px solid #ddd;border-radius:8px;font-family:Helvetica,Arial,sans-serif}.users-table{overflow-x:auto}.users-table table{width:100%;border-collapse:collapse;margin-bottom:1rem}.users-table th,.users-table td{padding:.75rem;text-align:left;border-bottom:1px solid #ddd}.users-table th{background:#f8f9fa;font-weight:600;color:#3c364d}.role-badge{padding:.25rem .5rem;border-radius:12px;font-size:.8rem;font-weight:600;text-transform:uppercase}.role-badge.admin{background:#e74c3c;color:#fff}.role-badge.user{background:#3498db;color:#fff}.status-badge{padding:.25rem 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rgba(0,0,0,.3)}.loading-center{text-align:center;padding:2rem;color:#666}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{background:white;border-radius:12px;box-shadow:0 25px 50px #0000004d;max-width:500px;width:90%;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:1px solid #ddd}.modal-header h3{margin:0;color:#3c364d;font-weight:600}.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#666;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .3s}.modal-close:hover{background:#f5f5f5;color:#333}.modal-body{padding:1.5rem}.modal-footer{display:flex;justify-content:flex-end;gap:.5rem;padding:1.5rem;border-top:1px solid #ddd}.modal-body .form-group select{width:100%;padding:1rem;border:2px solid #e1e5e9;border-radius:10px;font-size:1rem;font-family:Helvetica,Arial,sans-serif;transition:all .3s;background:rgba(255,255,255,.9)}.modal-body .form-group select:focus{outline:none;border-color:#fba500;box-shadow:0 0 0 3px #fba5001a}.modal-body .form-group select:disabled{opacity:.6;cursor:not-allowed}@media (max-width: 768px){.form-row{grid-template-columns:1fr}.search-form{flex-direction:column}.users-table{font-size:.8rem}.stats-grid{grid-template-columns:1fr}.profile-header{flex-direction:column;gap:1rem;align-items:flex-start}.admin-tabs{flex-direction:column}.modal-content{width:95%;margin:1rem}.modal-footer{flex-direction:column}}