:root{--bg-primary: #0a0a0f;--bg-card: rgba(255, 255, 255, .04);--bg-card-hover: rgba(255, 255, 255, .07);--border-card: rgba(255, 255, 255, .08);--text-primary: #f0f0f5;--text-secondary: #8a8a9a;--text-muted: #55556a;--accent-teal: #00e5c8;--accent-pink: #ff4d8d;--accent-orange: #ff9f43;--accent-purple: #a855f7;--accent-blue: #3b82f6;--accent-green: #22c55e;--accent-red: #ef4444;--glow-teal: 0 0 20px rgba(0, 229, 200, .25);--glow-pink: 0 0 20px rgba(255, 77, 141, .25);--nav-height: 72px;--radius: 16px;--radius-sm: 10px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:DM Sans,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased;overflow-x:hidden}#app{padding:16px 16px calc(var(--nav-height) + 16px);max-width:480px;margin:0 auto}.screen{display:none;animation:fadeIn .25s ease}.screen.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius);padding:20px;margin-bottom:16px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:background .2s}.card:active{background:var(--bg-card-hover)}@media(hover:hover){.card:hover{background:var(--bg-card-hover)}}.card-title{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);margin-bottom:12px}#bottom-nav{position:fixed;bottom:0;left:0;right:0;height:var(--nav-height);background:#0a0a0feb;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border-card);display:flex;justify-content:space-around;align-items:center;padding-bottom:env(safe-area-inset-bottom,0px);z-index:100}.nav-btn{background:none;border:none;color:var(--text-muted);display:flex;flex-direction:column;align-items:center;gap:4px;font-size:11px;font-family:inherit;cursor:pointer;padding:8px 16px;transition:color .2s;-webkit-tap-highlight-color:transparent}.nav-btn.active{color:var(--accent-teal)}.nav-btn svg{width:22px;height:22px}.greeting{font-family:Outfit,DM Sans,sans-serif;font-size:26px;font-weight:700;margin-bottom:4px}.greeting-accent{background:linear-gradient(135deg,var(--accent-teal),var(--accent-blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.greeting-sub{font-size:14px;color:var(--text-secondary);margin-bottom:20px}.rings-container{display:grid;grid-template-columns:1fr 1fr;gap:12px}.ring-item{display:flex;flex-direction:column;align-items:center;gap:8px}.ring-svg{width:84px;height:84px;transform:rotate(-90deg)}.ring-center-text{font-size:13px;font-weight:600;fill:var(--text-primary);text-anchor:middle;dominant-baseline:central;transform:rotate(90deg);transform-origin:center}.ring-bg{fill:none;stroke:#ffffff0f;stroke-width:6}.ring-progress{fill:none;stroke-width:6;stroke-linecap:round;transition:stroke-dashoffset .8s ease}.ring-label{font-size:12px;color:var(--text-secondary)}.ring-value{font-size:14px;font-weight:600}.last-workout-card{display:flex;align-items:center;gap:16px}.workout-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--accent-teal),var(--accent-blue));display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}.workout-info h3{font-size:16px;font-weight:600}.workout-info p{font-size:13px;color:var(--text-secondary)}.chart-container{position:relative;height:180px;width:100%}.chart-container canvas{width:100%!important;height:100%!important}.cardio-bars{display:flex;align-items:flex-end;gap:4px;height:100px;padding-top:8px}.cardio-bar-wrapper{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%}.cardio-bar{width:100%;max-width:24px;border-radius:4px 4px 0 0;transition:height .4s ease;min-height:2px}.cardio-bar.strength{background:linear-gradient(to top,var(--accent-purple),var(--accent-pink))}.cardio-bar.rest{background:linear-gradient(to top,var(--accent-teal),var(--accent-green))}.cardio-bar-label{font-size:10px;color:var(--text-muted);white-space:nowrap}.cardio-bar-label.hidden-label{visibility:hidden}.day-section{margin-bottom:16px}.day-header{display:flex;justify-content:space-between;align-items:center;padding:12px 0;cursor:pointer;border-bottom:1px solid var(--border-card);-webkit-tap-highlight-color:transparent}.day-header h3{font-size:16px;font-weight:600}.day-header .toggle-icon{color:var(--text-muted);transition:transform .2s;font-size:18px}.day-header.open .toggle-icon{transform:rotate(180deg)}.exercise-list{max-height:0;overflow:hidden;transition:max-height .3s ease}.exercise-list.open{max-height:2000px}.exercise-row{display:flex;align-items:center;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.03);gap:12px}.exercise-row .idx{width:24px;height:24px;border-radius:6px;background:#ffffff0f;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:var(--text-secondary);flex-shrink:0}.exercise-row .name{flex:1;font-size:14px}.exercise-row .sets{font-size:13px;color:var(--text-secondary);white-space:nowrap}.exercise-row .actions{display:flex;gap:4px}.btn-icon{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:6px;transition:color .2s,background .2s;font-size:16px;-webkit-tap-highlight-color:transparent}.btn-icon:hover{color:var(--text-primary);background:#ffffff0f}.btn-icon.danger:hover{color:var(--accent-red)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);border:none;font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;-webkit-tap-highlight-color:transparent}.btn-primary{background:linear-gradient(135deg,var(--accent-teal),var(--accent-blue));color:#0a0a0f}.btn-primary:hover{box-shadow:var(--glow-teal)}.btn-secondary{background:#ffffff0f;color:var(--text-primary);border:1px solid var(--border-card)}.btn-sm{padding:6px 12px;font-size:12px}.btn-block{width:100%}.history-item{border-bottom:1px solid var(--border-card);padding:14px 0}.history-header{display:flex;justify-content:space-between;align-items:center;cursor:pointer;-webkit-tap-highlight-color:transparent}.history-header h4{font-size:15px;font-weight:600}.history-header .date{font-size:12px;color:var(--text-secondary)}.history-details{max-height:0;overflow:hidden;transition:max-height .3s ease}.history-details.open{max-height:1000px}.history-exercise{padding:8px 0 4px}.history-exercise .ex-name{font-size:13px;color:var(--accent-teal);margin-bottom:4px}.history-exercise .ex-sets{font-size:12px;color:var(--text-secondary)}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.calendar-day-label{font-size:11px;color:var(--text-muted);text-align:center;padding:4px}.calendar-day{aspect-ratio:1;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:500;cursor:pointer;transition:all .2s;-webkit-tap-highlight-color:transparent}.calendar-day.empty{cursor:default}.calendar-day.has-data{background:#00e5c81f;color:var(--accent-teal)}.calendar-day.over-target{background:#ef444426;color:var(--accent-red)}.calendar-day.under-target{background:#ff9f431f;color:var(--accent-orange)}.calendar-day.on-target{background:#22c55e26;color:var(--accent-green)}.calendar-day.today{border:1px solid var(--accent-teal)}.form-group{margin-bottom:16px}.form-label{display:block;font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}.form-input{width:100%;padding:10px 14px;border:1px solid var(--border-card);border-radius:var(--radius-sm);background:#ffffff0a;color:var(--text-primary);font-family:inherit;font-size:14px;transition:border-color .2s;outline:none}.form-input:focus{border-color:var(--accent-teal)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.tabs{display:flex;gap:4px;background:#ffffff0a;border-radius:var(--radius-sm);padding:3px;margin-bottom:16px}.tab{flex:1;padding:8px;border:none;background:none;color:var(--text-secondary);font-family:inherit;font-size:13px;font-weight:500;border-radius:8px;cursor:pointer;transition:all .2s;-webkit-tap-highlight-color:transparent}.tab.active{background:#ffffff14;color:var(--text-primary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:200;display:flex;align-items:flex-end;justify-content:center;animation:fadeIn .2s ease}.modal-overlay.hidden{display:none}.modal-content{background:#14141e;border-radius:var(--radius) var(--radius) 0 0;padding:24px 20px calc(24px + env(safe-area-inset-bottom,0px));width:100%;max-width:480px;max-height:80vh;overflow-y:auto;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-header h3{font-size:18px;font-weight:700}.modal-close{background:none;border:none;color:var(--text-muted);font-size:24px;cursor:pointer;padding:4px;-webkit-tap-highlight-color:transparent}.loader{display:flex;justify-content:center;padding:40px}.loader:after{content:"";width:28px;height:28px;border:3px solid rgba(255,255,255,.1);border-top-color:var(--accent-teal);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.section-title{font-size:18px;font-weight:700;margin-bottom:16px}.empty-state{text-align:center;padding:40px 20px;color:var(--text-secondary);font-size:14px}.empty-state 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svg{width:18px;height:18px}.admin-user-info{flex:1;min-width:0}.admin-user-name{font-size:14px;font-weight:600;display:flex;align-items:center;gap:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.admin-badge{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;padding:2px 6px;border-radius:4px;background:linear-gradient(135deg,var(--accent-purple),var(--accent-pink));color:#fff;flex-shrink:0}.admin-user-meta{font-size:12px;color:var(--text-muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.admin-user-stats{display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex-shrink:0}.admin-stat-pill{font-size:11px;padding:3px 8px;border-radius:20px;background:#ffffff0f;color:var(--text-secondary);white-space:nowrap;max-width:100px;overflow:hidden;text-overflow:ellipsis;text-align:right}.admin-stat-pill.has-program{background:#00e5c81a;color:var(--accent-teal)}.admin-stat-pill.no-program{color:var(--text-muted)}