:root{--navy:#0f1e3c;--navy-light:#1a2f54;--navy-hover:#243a63;--orange:#e8621a;--orange-bright:#f07230;--orange-glow:#e8621a26;--white:#fff;--gray:#f4f5f7;--gray-100:#f7f8fa;--gray-200:#edf0f4;--gray-300:#e2e8f0;--gray-400:#cbd5e1;--gray-500:#94a3b8;--text-dark:#0d1a30;--text-mid:#4a5568;--text-light:#718096;--green:#22c55e;--green-light:#dcfce7;--red:#ef4444;--red-light:#fee2e2;--purple:#8b5cf6;--purple-light:#ede9fe;--blue:#3b82f6;--blue-light:#dbeafe;--yellow:#f59e0b;--yellow-light:#fef3c7;--sidebar-width:260px;--header-height:64px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 8px 30px #0000001f;--shadow-xl:0 20px 50px #00000026;--transition:.2s cubic-bezier(.4, 0, .2, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--gray);color:var(--text-dark);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.5}h1,h2,h3,h4,h5,h6{font-family:Montserrat,Inter,sans-serif;font-weight:700;line-height:1.2}button{cursor:pointer;font-family:Inter,sans-serif}input,select,textarea{font-family:Inter,sans-serif}.app-layout{min-height:100vh;display:flex}.main-area{margin-left:var(--sidebar-width);flex-direction:column;flex:1;min-height:100vh;display:flex}.page-content{flex:1;width:100%;max-width:1400px;padding:2rem 2.5rem}.sidebar{width:var(--sidebar-width);background:linear-gradient(180deg, #0a1628 0%, var(--navy) 30%, #0d1f3d 100%);color:#fff;z-index:100;border-right:1px solid #ffffff0d;flex-direction:column;height:100vh;display:flex;position:fixed;top:0;left:0;overflow-y:auto}.sidebar-logo{border-bottom:1px solid #ffffff14;padding:1.5rem 1.25rem}.sidebar-logo h1{letter-spacing:-.02em;background:linear-gradient(135deg, var(--orange-bright), var(--orange));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0;font-size:1rem;font-weight:800}.sidebar-logo p{opacity:.45;margin-top:2px;font-size:.68rem;font-weight:500}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:1rem .75rem;display:flex}.sidebar-section-label{text-transform:uppercase;letter-spacing:.08em;color:#ffffff4d;padding:1rem .75rem .4rem;font-size:.65rem;font-weight:700}.sidebar-item{border-radius:var(--radius-sm);color:#fff9;cursor:pointer;transition:all var(--transition);text-align:left;background:0 0;border:none;align-items:center;gap:10px;width:100%;padding:.65rem .75rem;font-size:.85rem;font-weight:500;display:flex}.sidebar-item:hover{color:#ffffffd9;background:#ffffff0f}.sidebar-item.active{color:var(--orange-bright);background:#e8621a26;font-weight:600}.sidebar-item.active svg{color:var(--orange-bright)}.sidebar-user{border-top:1px solid #ffffff14;align-items:center;gap:10px;padding:1rem 1.25rem;display:flex}.sidebar-user-avatar{object-fit:cover;border:2px solid #e8621a66;border-radius:50%;width:36px;height:36px}.sidebar-user-info{flex:1;min-width:0}.sidebar-user-name{color:#fff;white-space:nowrap;text-overflow:ellipsis;font-size:.8rem;font-weight:600;overflow:hidden}.sidebar-user-role{color:var(--orange-bright);text-transform:uppercase;letter-spacing:.04em;font-size:.68rem;font-weight:600}.sidebar-logout{color:#fff6;cursor:pointer;transition:all var(--transition);background:0 0;border:none;border-radius:6px;align-items:center;padding:6px;display:flex}.sidebar-logout:hover{color:var(--red);background:#ef444426}.admin-header{height:var(--header-height);border-bottom:1px solid var(--gray-200);z-index:50;background:#fff;justify-content:space-between;align-items:center;padding:0 2.5rem;display:flex;position:sticky;top:0}.header-title{color:var(--navy);font-size:1.3rem;font-weight:800}.header-subtitle{color:var(--text-light);font-size:.78rem;font-weight:500}.header-actions{align-items:center;gap:12px;display:flex}.card{border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);transition:box-shadow var(--transition), transform var(--transition);background:#fff;padding:1.5rem}.card:hover{box-shadow:var(--shadow-md)}.card-header{justify-content:space-between;align-items:center;margin-bottom:1.25rem;display:flex}.card-title{color:var(--navy);font-size:1rem;font-weight:700}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-bottom:2rem;display:grid}.stat-card{border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);transition:all var(--transition);background:#fff;align-items:center;gap:1rem;padding:1.25rem 1.5rem;display:flex}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-icon{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.stat-icon.orange{background:var(--orange-glow);color:var(--orange)}.stat-icon.green{background:var(--green-light);color:var(--green)}.stat-icon.purple{background:var(--purple-light);color:var(--purple)}.stat-icon.blue{background:var(--blue-light);color:var(--blue)}.stat-icon.yellow{background:var(--yellow-light);color:var(--yellow)}.stat-icon.red{background:var(--red-light);color:var(--red)}.stat-info h3{color:var(--navy);font-size:1.6rem;font-weight:800;line-height:1}.stat-info p{color:var(--text-light);margin-top:2px;font-size:.78rem;font-weight:500}.data-table{border-collapse:separate;border-spacing:0;width:100%}.data-table thead th{text-align:left;text-transform:uppercase;letter-spacing:.06em;color:var(--text-light);border-bottom:2px solid var(--gray-200);white-space:nowrap;padding:.75rem 1rem;font-size:.72rem;font-weight:700}.data-table tbody tr{transition:background var(--transition)}.data-table tbody tr:hover{background:var(--gray-100)}.data-table tbody td{border-bottom:1px solid var(--gray-200);vertical-align:middle;padding:.85rem 1rem;font-size:.88rem}.data-table .user-cell{align-items:center;gap:10px;display:flex}.data-table .user-avatar{object-fit:cover;background:var(--gray-200);border-radius:50%;width:36px;height:36px}.data-table .user-name{color:var(--navy);font-weight:600}.data-table .user-email{color:var(--text-light);font-size:.75rem}.badge{text-transform:uppercase;letter-spacing:.02em;border-radius:20px;align-items:center;gap:4px;padding:.25rem .6rem;font-size:.72rem;font-weight:700;display:inline-flex}.badge.active{background:var(--green-light);color:#16a34a}.badge.pending{background:var(--yellow-light);color:#b45309}.badge.admin{background:var(--purple-light);color:var(--purple)}.badge.trainer{background:var(--blue-light);color:var(--blue)}.badge.inactive{background:var(--gray-200);color:var(--text-light)}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);white-space:nowrap;border:none;align-items:center;gap:6px;padding:.55rem 1.1rem;font-size:.85rem;font-weight:600;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--orange-bright), var(--orange));color:#fff;box-shadow:0 2px 8px #e8621a4d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 15px #e8621a66}.btn-secondary{background:var(--navy);color:#fff}.btn-secondary:hover{background:var(--navy-hover)}.btn-outline{color:var(--navy);border:1.5px solid 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1rem;font-size:.85rem;font-weight:600}.user-tab.active{color:var(--navy);box-shadow:var(--shadow-sm);background:#fff}.routine-exercise-item{background:var(--gray-100);border-radius:var(--radius-md);transition:all var(--transition);align-items:center;gap:1rem;margin-bottom:.5rem;padding:1rem;display:flex}.routine-exercise-item:hover{background:var(--gray-200)}.routine-exercise-info{flex:1}.routine-exercise-name{color:var(--navy);font-size:.9rem;font-weight:600}.routine-exercise-equip{color:var(--text-light);font-size:.75rem}.routine-inputs{align-items:center;gap:8px;display:flex}.routine-input{border:1.5px solid var(--gray-300);text-align:center;border-radius:6px;width:60px;padding:.4rem;font-size:.85rem;font-weight:600}.routine-input:focus{border-color:var(--orange);outline:none}.login-screen{background:linear-gradient(135deg, #0a1628 0%, var(--navy) 40%, #1a2f54 100%);justify-content:center;align-items:center;min-height:100vh;display:flex;position:relative;overflow:hidden}.login-screen:before{content:"";background:radial-gradient(circle,#e8621a14,#0000 70%);border-radius:50%;width:600px;height:600px;position:absolute;top:-200px;right:-100px}.login-screen:after{content:"";background:radial-gradient(circle,#8b5cf60d,#0000 70%);border-radius:50%;width:400px;height:400px;position:absolute;bottom:-100px;left:-100px}.login-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-xl);text-align:center;z-index:1;background:#ffffff08;border:1px solid #ffffff14;width:420px;padding:3rem;position:relative}.login-card h1{color:#fff;margin-bottom:.5rem;font-size:1.5rem;font-weight:800}.login-card p{color:#ffffff80;margin-bottom:2rem;font-size:.88rem}.login-btn{border-radius:var(--radius-md);background:linear-gradient(135deg, var(--orange-bright), var(--orange));color:#fff;cursor:pointer;width:100%;transition:all var(--transition);border:none;justify-content:center;align-items:center;gap:10px;padding:.85rem;font-size:.95rem;font-weight:700;display:flex;box-shadow:0 4px 15px #e8621a4d}.login-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #e8621a66}.login-denied{border-radius:var(--radius-md);color:#fca5a5;background:#ef44441a;border:1px solid #ef444433;margin-top:1.5rem;padding:1rem;font-size:.85rem}.empty-state{text-align:center;color:var(--text-light);padding:4rem 2rem}.empty-state svg{color:var(--gray-400);margin-bottom:1rem}.empty-state h3{color:var(--text-mid);margin-bottom:.5rem;font-size:1.1rem}.empty-state p{max-width:400px;margin:0 auto;font-size:.88rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-in{animation:.4s ease-out slideUp}.skeleton{background:linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s infinite skeleton-loading}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--gray-400);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--gray-500)}.toast{border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:2000;align-items:center;gap:8px;padding:.85rem 1.25rem;font-size:.88rem;font-weight:600;animation:.3s slideUp;display:flex;position:fixed;bottom:2rem;right:2rem}.toast.success{background:var(--green);color:#fff}.toast.error{background:var(--red);color:#fff}@media (width<=1024px){.sidebar{width:220px}.main-area{margin-left:220px}.page-content{padding:1.5rem}.exercise-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}}@media (width<=768px){.sidebar{display:none}.main-area{margin-left:0}.page-content{padding:1rem}.stats-grid{grid-template-columns:1fr 1fr}.exercise-grid{grid-template-columns:1fr}}