:root{--bg-dark:#0f172a;--bg-card:#1e293bb3;--primary-glow:#3b82f6;--accent-color:#60a5fa;--text-primary:#f8fafc;--text-secondary:#94a3b8;--border-color:#94a3b81a}body{background-color:var(--bg-dark);color:var(--text-primary);min-height:100vh;margin:0;padding:0;font-family:Inter,system-ui,-apple-system,sans-serif;overflow-x:hidden}.app-container{flex-direction:column;min-height:100vh;display:flex}.screen-container{box-sizing:border-box;flex-direction:column;flex:1;justify-content:center;align-items:center;width:100%;max-width:1200px;margin:0 auto;padding:2rem;display:flex}.screen-title{text-align:center;background:linear-gradient(90deg,#60a5fa,#a78bfa);color:#0000;text-shadow:0 0 40px #60a5fa4d;-webkit-background-clip:text;background-clip:text;margin-bottom:3rem;font-size:3rem;font-weight:800}.user-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:2rem;width:100%;max-width:900px;display:grid}.user-card{aspect-ratio:1;background:var(--bg-card);border:1px solid var(--border-color);cursor:pointer;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:24px;flex-direction:column;justify-content:center;align-items:center;padding:1rem;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.user-card:hover{background:#3b82f626;border-color:#3b82f680;transform:translateY(-5px)scale(1.02);box-shadow:0 0 30px #3b82f633}.user-avatar{color:#fff;background:linear-gradient(135deg,#3b82f6,#8b5cf6);border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin-bottom:1rem;font-size:2.5rem;font-weight:700;display:flex;box-shadow:0 4px 15px #0000004d}.user-name{color:var(--text-primary);font-size:1.5rem;font-weight:600}.new-user-card{background:0 0;border-style:dashed;border-width:2px}.new-user-icon{color:var(--text-secondary);background:#ffffff1a}.add-user-form{flex-direction:column;gap:2rem;width:100%;max-width:500px;display:flex}.input-label{color:var(--text-secondary);margin-bottom:.5rem;font-size:1.2rem;display:block}.large-input{border:2px solid var(--border-color);color:#fff;box-sizing:border-box;background:#ffffff0d;border-radius:16px;outline:none;width:100%;padding:1.5rem;font-size:2rem;transition:all .3s}.large-input:focus{border-color:var(--accent-color);background:#ffffff1a;box-shadow:0 0 20px #60a5fa33}.button-group{gap:1.5rem;margin-top:2rem;display:flex}.primary-button,.secondary-button{cursor:pointer;border:none;border-radius:16px;flex:1;padding:1.25rem;font-size:1.25rem;font-weight:600;transition:all .2s}.primary-button{color:#fff;background:linear-gradient(135deg,#3b82f6,#60a5fa);box-shadow:0 4px 15px #3b82f666}.primary-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px #3b82f680}.primary-button:disabled{opacity:.5;cursor:not-allowed;transform:none}.secondary-button{color:var(--text-secondary);border:1px solid var(--border-color);background:#ffffff0d}.secondary-button:hover{color:#fff;background:#ffffff1a}.small-button{flex:none;padding:.75rem 1.5rem;font-size:1rem}.dashboard-header{justify-content:space-between;align-items:center;width:100%;margin-bottom:2rem;display:flex}.dashboard-content{text-align:center;width:100%}.placeholder-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:24px;margin-bottom:2rem;padding:3rem}.delete-button{color:#fca5a5;cursor:pointer;opacity:0;background:#f003;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:24px;line-height:1;transition:all .2s;display:flex;position:absolute;top:12px;right:12px}.user-card:hover .delete-button{opacity:1}.delete-button:hover{color:#fff;background:#dc2626cc;transform:scale(1.1)}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background-color:#000000b3;justify-content:center;align-items:center;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0}.modal-content{background:var(--bg-card);border:1px solid var(--border-color);border-radius:24px;width:90%;max-width:500px;padding:2rem;animation:.2s cubic-bezier(.175,.885,.32,1.275) forwards popIn;transform:scale(.95);box-shadow:0 20px 50px #00000080}.modal-title{color:var(--text-primary);margin:0 0 1rem;font-size:1.8rem}.modal-message{color:var(--text-secondary);margin-bottom:2rem;font-size:1.2rem;line-height:1.5}.modal-actions{justify-content:flex-end;gap:1rem;display:flex}.danger-button{background:linear-gradient(135deg,#ef4444,#f87171);box-shadow:0 4px 15px #ef444466}.danger-button:hover{box-shadow:0 8px 25px #ef444480}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes popIn{to{transform:scale(1)}}::-webkit-scrollbar{display:none}html,body{-ms-overflow-style:none;scrollbar-width:none}:root{--mobile-bg:#000;--mobile-card-bg:#1a1a1a;--mobile-primary:#3b82f6;--mobile-text:#fff;--mobile-text-secondary:#888}body,#root{background:var(--mobile-bg);width:100%;height:100%;color:var(--mobile-text);-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;overflow:hidden}.mobile-app-container{padding-bottom:env(safe-area-inset-bottom);height:100vh;overflow:hidden auto}.mobile-dashboard{padding:max(1rem,env(safe-area-inset-top))1rem 2rem 1rem;flex-direction:column;gap:1.5rem;display:flex}.mobile-header{justify-content:space-between;align-items:center;margin-top:1rem;display:flex}.user-info{align-items:center;gap:1rem;display:flex}.mobile-avatar{background:linear-gradient(135deg,#3b82f6,#8b5cf6);border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.25rem;font-weight:700;display:flex}.greeting{margin:0;font-size:1.25rem;line-height:1.2}.subtitle{color:var(--mobile-text-secondary);margin:0;font-size:.875rem}.icon-button{color:var(--mobile-text);cursor:pointer;background:0 0;border:none;padding:.5rem}.stats-overview{gap:1rem;display:flex}.stat-card{background:var(--mobile-card-bg);border-radius:12px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:.25rem;padding:1rem;display:flex}.stat-value{color:var(--mobile-primary);font-size:1.5rem;font-weight:800}.stat-label{color:var(--mobile-text-secondary);text-transform:uppercase;letter-spacing:1px;font-size:.75rem}.section-container h2{margin-top:0;margin-bottom:.75rem;font-size:1.1rem}.activity-scroll{scrollbar-width:none;gap:1rem;padding-bottom:.5rem;display:flex;overflow-x:auto}.activity-scroll::-webkit-scrollbar{display:none}.activity-card{background:var(--mobile-card-bg);border:1px solid #333;border-radius:12px;flex-direction:column;gap:.75rem;min-width:240px;padding:1rem;display:flex}.card-top{color:var(--mobile-text-secondary);justify-content:space-between;font-size:.85rem;display:flex}.workout-summary{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:.95rem;line-height:1.4;display:-webkit-box;overflow:hidden}.run-again-btn{width:100%;color:var(--mobile-primary);cursor:pointer;background:#3b82f626;border:none;border-radius:8px;padding:.5rem;font-size:.85rem;font-weight:600}.trainers-grid{grid-template-columns:repeat(2,1fr);gap:1rem;display:grid}.trainer-card-mobile{background:var(--mobile-card-bg);aspect-ratio:.8;border:1px solid #333;border-radius:16px;position:relative;overflow:hidden}.trainer-img{object-fit:cover;opacity:.7;width:100%;height:100%;transition:opacity .2s;display:block}.trainer-card-mobile:hover .trainer-img{opacity:.9}.trainer-info{background:linear-gradient(#0000,#000000e6);padding:1rem;position:absolute;bottom:0;left:0;right:0}.trainer-info h3{margin:0;font-size:1rem}.trainer-info p{color:var(--mobile-primary);margin:0;font-size:.75rem;font-weight:600}.mobile-footer{text-align:center;color:var(--mobile-text-secondary);opacity:.5;padding:2rem 0;font-size:.75rem}.mobile-trainer-profile{min-height:100vh;padding-bottom:2rem;position:relative}.profile-header-strip{z-index:50;padding:1rem;padding-top:max(1rem,env(safe-area-inset-top));pointer-events:none;background:linear-gradient(#000c,#0000);position:fixed;top:0;left:0;right:0}.profile-header-strip .back-btn{pointer-events:auto}.back-btn{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#fff;cursor:pointer;background:#fff3;border:none;border-radius:20px;padding:.5rem 1rem;font-weight:600}.mobile-hero{width:100%;height:40vh;position:relative}.hero-img{object-fit:cover;width:100%;height:100%}.hero-overlay{background:linear-gradient(to top,var(--mobile-bg),transparent);padding:2rem 1.5rem 1rem;position:absolute;bottom:0;left:0;right:0}.hero-name{margin:0 0 .25rem;font-size:2.5rem;line-height:1}.hero-specialty{color:var(--mobile-primary);text-transform:uppercase;letter-spacing:1px;font-size:.85rem;font-weight:600}.profile-content{padding:1.5rem}.mobile-bio{color:var(--mobile-text-secondary);margin-bottom:2rem;line-height:1.6}.section-title{border-bottom:1px solid #333;margin-bottom:1rem;padding-bottom:.5rem;font-size:1.25rem}.plans-list{flex-direction:column;gap:1rem;display:flex}.plan-card{background:var(--mobile-card-bg);cursor:pointer;border:1px solid #333;border-radius:12px;padding:1.25rem}.plan-header{justify-content:space-between;margin-bottom:.5rem;display:flex}.plan-type{color:var(--mobile-primary);text-transform:uppercase;background:#3b82f633;border-radius:4px;padding:2px 8px;font-size:.75rem;font-weight:700}.plan-card h4{margin:0 0 .5rem;font-size:1.1rem}.plan-card p{color:var(--mobile-text-secondary);margin:0 0 1rem;font-size:.9rem;line-height:1.4}.plan-action{color:var(--mobile-primary);justify-content:flex-end;font-size:.9rem;font-weight:600;display:flex}.mobile-app-container .screen-container{padding:max(1rem,env(safe-area-inset-top))1rem 1rem 1rem;max-width:100%;padding-bottom:6rem}.mobile-app-container .dashboard-header{flex-direction:column;align-items:flex-start;gap:1rem;margin-bottom:1.5rem}.mobile-app-container .dashboard-header h1.screen-title{font-size:1.75rem;line-height:1.2}.mobile-app-container .user-grid{grid-template-columns:repeat(2,1fr);gap:.75rem}.mobile-app-container .user-card{padding:1rem!important}.mobile-app-container .user-avatar{width:60px;height:60px;margin-bottom:.5rem;font-size:2rem}.mobile-app-container .stats-grid{grid-template-columns:1fr!important}.mobile-builder-footer{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:100;background:#1a1a1af2;border-top:1px solid #333;gap:1rem;padding:1rem;display:flex;position:fixed;bottom:0;left:0;right:0}.mobile-set-card{background:var(--mobile-card-bg);border:1px solid #333;border-radius:16px;margin-bottom:1rem;padding:1rem}.mobile-exercise-item{background:#ffffff0d;border-radius:12px;align-items:center;gap:1rem;margin-bottom:.75rem;padding:1rem;display:flex}.mobile-exercise-actions{flex-direction:column;gap:.5rem;display:flex}.action-icon-btn{cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:1.2rem;display:flex}#landscape-warning{z-index:99999;color:#fff;text-align:center;background:#000;flex-direction:column;justify-content:center;align-items:center;width:100vw;height:100vh;padding:2rem;display:none;position:fixed;top:0;left:0}@media screen and (orientation:landscape) and (max-height:500px){#landscape-warning{display:flex}}