:root{--primary: #3b82f6;--primary-light: #60a5fa;--primary-dark: #2563eb;--accent: #10b981;--accent-light: #34d399;--secondary: #6366f1;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--info: #06b6d4;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-card: #1e293b;--bg-hover: #334155;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--border-color: #334155;--border-light: #475569;--border-radius: 12px;--border-radius-lg: 16px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(59, 130, 246, .3);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--transition-fast: .15s ease;--transition-normal: .3s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-primary) 100%);border-bottom:1px solid var(--border-color);padding:var(--spacing-md) var(--spacing-lg);position:sticky;top:0;z-index:100}.header-content{max-width:1400px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.header-brand{display:flex;align-items:center;gap:var(--spacing-md)}.header-logo{width:48px;height:48px;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);border-radius:var(--border-radius);display:flex;align-items:center;justify-content:center;font-size:1.5rem}.app-title{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary-light) 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.app-subtitle{font-size:.8rem;color:var(--text-secondary)}.nav-tabs{display:flex;gap:var(--spacing-xs);background:var(--bg-primary);padding:var(--spacing-xs);border-radius:var(--border-radius)}.nav-tab{padding:var(--spacing-sm) var(--spacing-lg);border:none;background:transparent;color:var(--text-secondary);font-size:.875rem;font-weight:500;cursor:pointer;border-radius:var(--border-radius);transition:all var(--transition-fast);display:flex;align-items:center;gap:var(--spacing-sm)}.nav-tab:hover{color:var(--text-primary);background:var(--bg-hover)}.nav-tab.active{background:var(--primary);color:#fff}.app-main{flex:1;padding:var(--spacing-xl) var(--spacing-lg);max-width:1400px;margin:0 auto;width:100%}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}.stat-card{background:var(--bg-card);border-radius:var(--border-radius-lg);padding:var(--spacing-lg);border:1px solid var(--border-color);transition:all var(--transition-normal);position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px}.stat-card.blue:before{background:var(--primary)}.stat-card.green:before{background:var(--success)}.stat-card.purple:before{background:var(--secondary)}.stat-card.orange:before{background:var(--warning)}.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.stat-icon{width:48px;height:48px;border-radius:var(--border-radius);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:var(--spacing-md)}.stat-card.blue .stat-icon{background:#3b82f633}.stat-card.green .stat-icon{background:#10b98133}.stat-card.purple .stat-icon{background:#6366f133}.stat-card.orange .stat-icon{background:#f59e0b33}.stat-value{font-size:2rem;font-weight:700;color:var(--text-primary);line-height:1;margin-bottom:var(--spacing-xs)}.stat-label{font-size:.875rem;color:var(--text-secondary)}.capacity-bar{margin-top:var(--spacing-md)}.capacity-bar-bg{height:8px;background:var(--bg-primary);border-radius:4px;overflow:hidden}.capacity-bar-fill{height:100%;border-radius:4px;transition:width var(--transition-normal)}.capacity-bar-fill.low{background:var(--success)}.capacity-bar-fill.medium{background:var(--warning)}.capacity-bar-fill.high{background:var(--danger)}.capacity-text{font-size:.75rem;color:var(--text-muted);margin-top:var(--spacing-xs)}.table-container{background:var(--bg-card);border-radius:var(--border-radius-lg);border:1px solid var(--border-color);overflow:hidden}.data-table{width:100%;border-collapse:collapse}.data-table thead{background:var(--bg-primary)}.data-table th{text-align:left;padding:var(--spacing-md) var(--spacing-lg);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);border-bottom:1px solid var(--border-color)}.data-table td{padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--border-color);vertical-align:middle}.data-table tbody tr{transition:background var(--transition-fast)}.data-table tbody tr:hover{background:var(--bg-hover)}.data-table tbody tr:last-child td{border-bottom:none}.member-info{display:flex;align-items:center;gap:var(--spacing-md)}.member-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.875rem;color:#fff}.member-name{font-weight:500;color:var(--text-primary)}.member-email{font-size:.8rem;color:var(--text-muted)}.badge{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:4px 12px;border-radius:50px;font-size:.75rem;font-weight:500}.badge.active{background:#10b98133;color:var(--success)}.badge.inactive{background:#ef444433;color:var(--danger)}.badge.basic{background:#94a3b833;color:var(--text-secondary)}.badge.premium{background:#f59e0b33;color:var(--warning)}.badge.vip{background:#6366f133;color:var(--secondary)}.badge.cardio{background:#ef444433;color:var(--danger)}.badge.strength{background:#3b82f633;color:var(--primary)}.badge.flexibility{background:#10b98133;color:var(--success)}.badge.combat{background:#f59e0b33;color:var(--warning)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:10px 20px;font-size:.875rem;font-weight:500;border-radius:var(--border-radius);border:none;cursor:pointer;transition:all var(--transition-fast)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-glow)}.btn-secondary{background:var(--bg-hover);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.btn-success{background:linear-gradient(135deg,var(--success) 0%,#059669 100%);color:#fff}.btn-danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}.btn-danger:hover:not(:disabled){background:var(--danger);color:#fff}.btn-icon{width:36px;height:36px;padding:0;border-radius:50%;background:var(--bg-hover);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.btn-icon:hover{border-color:var(--primary);color:var(--primary)}.btn-icon.delete:hover{border-color:var(--danger);color:var(--danger);background:#ef44441a}.toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--spacing-md);margin-bottom:var(--spacing-lg);background:var(--bg-card);padding:var(--spacing-md) var(--spacing-lg);border-radius:var(--border-radius-lg);border:1px solid var(--border-color)}.toolbar-left{display:flex;align-items:center;gap:var(--spacing-md)}.search-box{display:flex;align-items:center;background:var(--bg-primary);border-radius:var(--border-radius);padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--border-color);transition:all var(--transition-fast)}.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #3b82f633}.search-box input{border:none;background:transparent;padding:var(--spacing-xs);font-size:.875rem;color:var(--text-primary);width:200px}.search-box input::placeholder{color:var(--text-muted)}.search-box input:focus{outline:none}.search-icon{color:var(--text-muted);margin-right:var(--spacing-sm)}.filter-buttons{display:flex;gap:var(--spacing-xs)}.filter-btn{padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--border-color);background:transparent;border-radius:var(--border-radius);font-size:.8rem;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.filter-btn:hover,.filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.modal-overlay{position:fixed;inset:0;background:#000c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg);z-index:1000;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--bg-card);border-radius:var(--border-radius-lg);border:1px solid var(--border-color);width:100%;max-width:500px;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-bottom:1px solid var(--border-color)}.modal-header h2{font-size:1.25rem;font-weight:600}.modal-close{width:36px;height:36px;border:none;background:var(--bg-hover);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:all var(--transition-fast);font-size:1.25rem}.modal-close:hover{background:var(--danger);color:#fff}.modal-body{padding:var(--spacing-lg)}.form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md)}.input-group{display:flex;flex-direction:column;gap:var(--spacing-xs)}.input-label{font-size:.875rem;font-weight:500;color:var(--text-primary)}.input-field,.select-field,.textarea-field{padding:12px 16px;border:1px solid var(--border-color);border-radius:var(--border-radius);font-size:.9rem;color:var(--text-primary);background:var(--bg-primary);transition:all var(--transition-fast)}.input-field:focus,.select-field:focus,.textarea-field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #3b82f633}.input-field::placeholder,.textarea-field::placeholder{color:var(--text-muted)}.textarea-field{resize:vertical;min-height:80px}.form-actions{display:flex;gap:var(--spacing-md);margin-top:var(--spacing-md);padding-top:var(--spacing-lg);border-top:1px solid var(--border-color)}.form-actions .btn{flex:1}.empty-state{text-align:center;padding:var(--spacing-2xl);color:var(--text-secondary);background:var(--bg-card);border-radius:var(--border-radius-lg);border:2px dashed var(--border-color)}.empty-icon{font-size:3rem;margin-bottom:var(--spacing-md)}.empty-title{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-sm)}.empty-description{font-size:.875rem;max-width:300px;margin:0 auto}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-2xl);color:var(--text-secondary)}.loading:before{content:"";width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:var(--spacing-md)}@keyframes spin{to{transform:rotate(360deg)}}.schedule-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--spacing-lg)}.workout-card{background:var(--bg-card);border-radius:var(--border-radius-lg);border:1px solid var(--border-color);padding:var(--spacing-lg);transition:all var(--transition-normal)}.workout-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary)}.workout-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-md)}.workout-name{font-size:1.125rem;font-weight:600;color:var(--text-primary)}.workout-day{font-size:.75rem;color:var(--text-muted);text-transform:uppercase}.workout-time{display:flex;align-items:center;gap:var(--spacing-sm);color:var(--primary);font-weight:500;margin-bottom:var(--spacing-sm)}.workout-instructor{font-size:.875rem;color:var(--text-secondary);margin-bottom:var(--spacing-md)}.workout-footer{display:flex;justify-content:space-between;align-items:center;padding-top:var(--spacing-md);border-top:1px solid var(--border-color)}.workout-capacity{font-size:.8rem;color:var(--text-muted)}.workout-actions,.actions{display:flex;gap:var(--spacing-xs)}.app-footer{background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:var(--spacing-lg);text-align:center}.app-footer p{color:var(--text-muted);font-size:.875rem}@media(max-width:768px){.header-content{flex-direction:column;gap:var(--spacing-md)}.nav-tabs{flex-wrap:wrap;justify-content:center}.toolbar,.toolbar-left{flex-direction:column;align-items:stretch}.stats-grid,.form-row{grid-template-columns:1fr}.data-table{display:block;overflow-x:auto}}