:root{--bg-primary: #1a1a2e;--bg-secondary: #16213e;--text-primary: #ffffff;--text-secondary: #8b8b9e;--accent: #6c63ff;--accent-hover: #5a52e0;--danger: #e74c3c;--success: #2ecc71;--warning: #f39c12;--card-bg: #0f3460;--border-color: rgba(255, 255, 255, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;padding-bottom:env(safe-area-inset-bottom)}button{font-family:inherit;cursor:pointer;border:none;outline:none;transition:all .2s ease}input,select{font-family:inherit;outline:none;border:none}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--accent);border-radius:2px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.fade-in{animation:fadeIn .3s ease}.container{max-width:600px;margin:0 auto;padding:16px}.card{background:var(--card-bg);border-radius:16px;padding:16px;margin-bottom:12px;animation:fadeIn .3s ease}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:12px;font-size:16px;font-weight:600;transition:all .2s ease}.btn-primary{background:var(--accent);color:var(--text-primary)}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--card-bg)}.btn-danger{background:var(--danger);color:var(--text-primary)}.btn-danger:hover{background:#c0392b}.btn-sm{padding:8px 16px;font-size:14px;border-radius:8px}.btn-icon{width:40px;height:40px;padding:0;border-radius:10px;font-size:18px}.btn-full{width:100%}.input{width:100%;padding:14px 16px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;color:var(--text-primary);font-size:16px;transition:all .2s ease}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #6c63ff33}.input::placeholder{color:var(--text-secondary)}.select{width:100%;padding:14px 16px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;color:var(--text-primary);font-size:16px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%238b8b9e' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 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24px;color:var(--text-secondary)}.empty-state-icon{font-size:64px;margin-bottom:16px}.empty-state-text{font-size:16px;margin-bottom:24px}.tabs{display:flex;background:var(--bg-secondary);border-radius:12px;padding:4px;margin-bottom:24px}.tab{flex:1;padding:12px;text-align:center;border-radius:10px;font-weight:500;color:var(--text-secondary);background:transparent;transition:all .2s ease}.tab.active{background:var(--accent);color:var(--text-primary)}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge-primary{background:#6c63ff33;color:var(--accent)}.badge-success{background:#2ecc7133;color:var(--success)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;align-items:flex-end;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.modal{background:var(--bg-primary);border-radius:24px 24px 0 0;padding:24px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.modal-title{font-size:20px;font-weight:600}.modal-close{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border-radius:50%;font-size:18px;color:var(--text-secondary)}.list-item{display:flex;align-items:center;justify-content:space-between;padding:16px;background:var(--card-bg);border-radius:12px;margin-bottom:8px;transition:all .2s ease}.list-item:hover{transform:translate(4px)}.list-item-content{flex:1}.list-item-title{font-weight:600;margin-bottom:4px}.list-item-subtitle{font-size:14px;color:var(--text-secondary)}.list-item-actions{display:flex;gap:8px}.stat-card{background:linear-gradient(135deg,var(--card-bg),var(--bg-secondary));border-radius:16px;padding:20px;text-align:center}.stat-value{font-size:32px;font-weight:700;color:var(--accent)}.stat-label{font-size:14px;color:var(--text-secondary);margin-top:4px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:200px;color:var(--text-secondary)}.spinner{width:40px;height:40px;border:3px solid var(--bg-secondary);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.header{display:flex;align-items:center;justify-content:space-between;padding:16px;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100}.header-title{font-size:18px;font-weight:600}.back-btn{display:flex;align-items:center;gap:8px;background:none;color:var(--accent);font-weight:500}.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:8px 16px;padding-bottom:calc(8px + env(safe-area-inset-bottom))}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px;background:none;color:var(--text-secondary);font-size:12px;font-weight:500}.nav-item.active{color:var(--accent)}.nav-icon{font-size:24px}.entry-row{display:flex;align-items:center;gap:8px;padding:12px;background:var(--bg-secondary);border-radius:10px;margin-bottom:8px}.entry-set{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--accent);border-radius:8px;font-weight:600;font-size:14px}.entry-weight{font-weight:600;min-width:60px}.entry-reps{color:var(--text-secondary);min-width:50px}.entry-person{margin-left:auto;font-size:14px;color:var(--text-secondary)}.fab{position:fixed;bottom:calc(80px + env(safe-area-inset-bottom));right:20px;width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,var(--accent),#e94560);color:#fff;font-size:28px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px #6c63ff66;z-index:99}.fab:hover{transform:scale(1.1)}.fab:active{transform:scale(.95)}.invite-code{display:flex;flex-direction:column;align-items:center;padding:24px;background:var(--card-bg);border-radius:16px;margin-bottom:16px}.invite-code-label{font-size:14px;color:var(--text-secondary);margin-bottom:8px}.invite-code-value{font-size:32px;font-weight:700;letter-spacing:4px;color:var(--accent);font-family:monospace}.invite-code-hint{font-size:12px;color:var(--text-secondary);margin-top:12px;text-align:center}.chart-container{padding:8px 0}.chart-title{font-size:14px;font-weight:600;margin-bottom:12px;color:var(--text-primary)}.chart-empty{display:flex;align-items:center;justify-content:center;height:150px;color:var(--text-secondary);font-size:14px}.chart-legend{display:flex;flex-wrap:wrap;gap:16px;margin-top:12px;justify-content:center}.chart-legend-item{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-secondary)}.chart-legend-color{width:12px;height:12px;border-radius:3px}.analytics-charts{margin-bottom:24px}.analytics-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px}.analytics-person-stats{background:var(--bg-secondary);border-radius:12px;padding:12px}.analytics-person-name{font-weight:600;margin-bottom:8px;color:var(--accent)}.analytics-stat-row{display:flex;justify-content:space-between;font-size:13px;margin-bottom:4px;color:var(--text-secondary)}.analytics-stat-value{font-weight:600;color:var(--text-primary)}.ai-feedback-content,.ai-program-content{line-height:1.6;color:var(--text-primary)}.ai-feedback-content p,.ai-program-content p{margin-bottom:8px}.session-type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.session-type-btn{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 12px;background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:12px;color:var(--text-secondary);font-size:14px;font-weight:500;transition:all .2s ease}.session-type-btn:hover{border-color:var(--accent)}.session-type-btn.active{background:#6c63ff26;border-color:var(--accent);color:var(--text-primary)}.session-type-emoji{font-size:28px}.people-selection{display:flex;flex-wrap:wrap;gap:10px}.person-chip{padding:10px 16px;background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:20px;color:var(--text-secondary);font-size:14px;font-weight:500;transition:all .2s ease}.person-chip:hover{border-color:var(--accent)}.person-chip.active{background:#6c63ff26;border-color:var(--accent);color:var(--text-primary)}.data-preview{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:16px;margin-top:12px}.data-preview pre{font-family:SF Mono,Monaco,Courier New,monospace;font-size:12px;line-height:1.5;color:var(--text-secondary);white-space:pre-wrap;word-break:break-word;margin:0}.btn-link{background:none;border:none;padding:0;cursor:pointer}