:root{--bg-primary: #0f0f1a;--bg-secondary: #1a1a2e;--bg-tertiary: #16213e;--card-bg: #1e1e30;--card-border: rgba(255, 107, 53, .2);--card-border-hover: rgba(255, 107, 53, .4);--text-primary: #ffffff;--text-secondary: #a0a0b0;--text-muted: #6a6a7a;--accent-primary: #ff6b35;--accent-primary-hover: #ff8c5a;--accent-primary-glow: rgba(255, 107, 53, .4);--color-success: #00d26a;--color-warning: #ffb627;--color-danger: #ff4757;--input-bg: #252535;--input-border: #3a3a4a;--input-focus-glow: rgba(255, 107, 53, .3);--shadow-card: 0 4px 20px rgba(0, 0, 0, .3);--shadow-btn: 0 4px 15px rgba(255, 107, 53, .4);--shadow-btn-hover: 0 6px 20px rgba(255, 107, 53, .5);--shadow-glow: 0 0 20px rgba(255, 107, 53, .5);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400;color:var(--text-primary);background-color:var(--bg-primary);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(135deg,var(--bg-primary) 0%,var(--bg-secondary) 50%,var(--bg-tertiary) 100%);background-attachment:fixed}h1,h2,h3,h4,h5{margin:0 0 4px;color:var(--text-primary)}p{margin:0}button,input,select{font:inherit}button{border-radius:10px;border:none;padding:10px 18px;background:var(--accent-primary);color:#fff;cursor:pointer;font-weight:500;box-shadow:var(--shadow-btn);transition:all .2s ease}button:hover{background:var(--accent-primary-hover);transform:translateY(-2px);box-shadow:var(--shadow-btn-hover)}button:active{transform:translateY(0)}button:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}button.btn-secondary{background:transparent;border:1px solid rgba(255,107,53,.5);color:var(--accent-primary);box-shadow:none}button.btn-secondary:hover{background:#ff6b351a;border-color:var(--accent-primary);transform:translateY(-1px);box-shadow:none}button.btn-ghost{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);color:var(--text-secondary);box-shadow:none}button.btn-ghost:hover{background:#ffffff1a;border-color:#fff3;color:var(--text-primary);transform:translateY(-1px);box-shadow:none}button.btn-danger{background:var(--color-danger);box-shadow:0 4px 15px #ff475766}button.btn-danger:hover{background:#ff5c6a;box-shadow:0 6px 20px #ff475780}input,select{width:100%;margin-top:6px;padding:10px 14px;border-radius:10px;border:1px solid var(--input-border);background:var(--input-bg);color:var(--text-primary);transition:all .2s ease}input::placeholder{color:var(--text-muted)}input:focus,select:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 10px var(--input-focus-glow)}select{cursor:pointer}select option{background:var(--card-bg);color:var(--text-primary)}label{display:flex;flex-direction:column;font-size:14px;color:var(--text-secondary)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--input-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}::selection{background:var(--accent-primary);color:#fff}#root{max-width:1100px;margin:0 auto;padding:24px 24px 100px}.app{display:flex;flex-direction:column;gap:24px}.app-header{display:flex;flex-direction:column;gap:16px}.header-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.app-logo{display:flex;align-items:center;gap:12px;color:var(--text-primary);transition:all .2s ease}.app-logo:hover{color:var(--accent-primary)}.logo-icon{width:40px;height:40px;border-radius:10px}.date-picker{display:flex;align-items:center;gap:8px}.date-arrow{width:40px;height:40px;padding:0;font-size:18px;display:flex;align-items:center;justify-content:center;background:var(--card-bg);border:1px solid var(--card-border);color:var(--text-primary);box-shadow:none}.date-arrow:hover{border-color:var(--accent-primary);color:var(--accent-primary);box-shadow:var(--shadow-glow);transform:none}.date-display{position:relative;display:flex;align-items:center}.date-input{position:absolute;opacity:0;width:100%;height:100%;cursor:pointer;margin:0}.date-label{padding:10px 20px;background:var(--card-bg);border:1px solid var(--card-border);border-radius:10px;font-weight:600;min-width:140px;text-align:center;cursor:pointer;color:var(--text-primary);transition:all .2s ease}.date-label:hover{border-color:var(--accent-primary);box-shadow:var(--shadow-glow)}.date-today-hint{font-size:13px;color:var(--accent-primary);cursor:pointer;padding:6px 12px;border-radius:6px;transition:all .2s ease;background:#ff6b351a}.date-today-hint:hover{background:#ff6b3533}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:#1e1e30f2;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--card-border);padding:8px 16px;z-index:1000}.bottom-nav-inner{max-width:500px;margin:0 auto;display:flex;justify-content:space-around;align-items:center}.nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 16px;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;transition:all .2s ease;border-radius:12px;box-shadow:none}.nav-item:hover{color:var(--text-primary);background:#ffffff0d;transform:none;box-shadow:none}.nav-item.active{color:var(--accent-primary);background:#ff6b3526;box-shadow:var(--shadow-glow)}.nav-item-icon{font-size:22px;display:flex;align-items:center;justify-content:center}.nav-item-label{font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.page{display:flex;flex-direction:column;gap:20px;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.page-header{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}.card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:16px;padding:24px;box-shadow:var(--shadow-card);transition:all .3s ease}.card:hover{border-color:var(--card-border-hover);transform:translateY(-2px)}.card-title{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:16px;display:flex;align-items:center;gap:8px}.form-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.form-grid.compact{margin-top:16px}.form-actions{display:flex;align-items:flex-end;gap:12px}.banner{padding:14px 18px;border-radius:12px;font-size:14px;animation:slideIn .3s ease}@keyframes slideIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.banner.error{background:#ff475726;color:var(--color-danger);border:1px solid rgba(255,71,87,.3)}.banner.success{background:#00d26a26;color:var(--color-success);border:1px solid rgba(0,210,106,.3)}.muted{color:var(--text-secondary);font-size:14px}.stack{display:flex;flex-direction:column;gap:16px;margin-top:12px}.activity{border:1px solid 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var(--accent)}.cardio-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.cardio-type{font-weight:600;color:#fff}.cardio-sessions{font-size:12px;color:#ffffff80}.cardio-stats{display:flex;gap:16px;flex-wrap:wrap}.cardio-stat{font-size:13px;color:#ffffffb3}.cardio-stat strong{color:#fff;font-weight:600}.cardio-stat.calories strong{color:var(--accent)}.cardio-avg{margin-top:8px;font-size:12px;color:#fff6;display:flex;gap:12px}.muscle-groups,.strength-records{margin-bottom:16px}.muscle-list,.records-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px}.muscle-item,.record-item{padding:10px 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var(--accent)}.summary-item{display:flex;flex-direction:column;gap:2px}.summary-value{font-size:20px;font-weight:700;color:#fff}.summary-label{font-size:11px;color:#ffffff80;text-transform:uppercase}.chart-empty{padding:24px;text-align:center}@media(max-width:600px){.analytics-summary{flex-direction:column;gap:12px}.analytics-summary .stat-item{flex-direction:row;justify-content:space-between;align-items:center}.muscle-list,.records-list{grid-template-columns:1fr 1fr}.cardio-stats{flex-direction:column;gap:4px}}@keyframes pulse-glow{0%,to{box-shadow:0 0 15px #ff6b3566}50%{box-shadow:0 0 25px #ff6b3599}}.pulse-glow{animation:pulse-glow 2s ease-in-out infinite}