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163, 163, .12);--sidebar-hover-bg: rgba(45, 52, 54, .04);--sidebar-accent: #63A3A3}@media(prefers-color-scheme:dark){:root{--bg: #0D1117;--bg-secondary: #161B22;--bg-card: #21262D;--bg-input: #0D1117;--text-primary: #F0F6FC;--text-secondary: #8B949E;--text-muted: #6E7681;--accent: #FF7675;--accent-hover: #FF8C8B;--accent-subtle: rgba(255, 118, 117, .2);--border: #30363D;--border-strong: #484F58;--success: #63A3A3;--success-subtle: rgba(99, 163, 163, .2);--teal: #63A3A3;--teal-subtle: rgba(99, 163, 163, .2);--warning: #A29BFE;--shadow-sm: 0 1px 3px rgba(0,0,0,.4);--shadow-md: 0 4px 16px rgba(0,0,0,.6);--shadow-lg: 0 8px 32px rgba(0,0,0,.8);--sidebar-bg: #0D1117;--sidebar-panel-bg: #161B22;--sidebar-border: #30363D;--sidebar-text: #F0F6FC;--sidebar-text-muted: #8B949E;--sidebar-active-bg: rgba(99, 163, 163, .2);--sidebar-hover-bg: rgba(255, 255, 255, .05);--sidebar-accent: 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10px}.nav-group-title{font-size:10px;font-weight:700;color:var(--text-muted);padding:16px 14px 4px;text-transform:uppercase;letter-spacing:.1em}.nav-group-divider{height:1px;background:var(--border);margin:8px 10px;opacity:.5}.sidebar-nav-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:10px;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;width:100%;text-align:left;transition:all .2s ease}.sidebar-desktop.collapsed .sidebar-nav-item{justify-content:center;padding:10px 0}.sidebar-nav-item:hover{background:var(--bg-secondary);color:var(--teal)}.sidebar-nav-item.active{background:var(--teal-subtle);color:var(--teal);font-weight:600}.nav-item-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px;flex-shrink:0}.nav-item-label{font-size:14px;font-weight:500;font-family:var(--font-body);animation:fadeIn .3s ease}.sidebar-bottom{padding:0 10px 12px;display:flex;flex-direction:column;gap:4px}.user-profile-item{background:var(--bg-secondary)!important;border:1px solid var(--border);margin-top:4px}.user-avatar{border-radius:50%;background:linear-gradient(135deg,var(--teal),#4a8282);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;letter-spacing:.05em;width:26px;height:26px;font-size:11px}.user-info-wrapper{display:flex;align-items:center;justify-content:space-between;width:100%;padding-right:4px;overflow:hidden}.user-name-label{font-size:13px;font-weight:600;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:110px}.logout-icon-small{color:var(--text-muted);flex-shrink:0;transition:color .2s ease}.user-profile-item:hover .logout-icon-small{color:var(--accent)}.sidebar-toggle-btn{display:flex;align-items:center;gap:12px;padding:10px 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#00000014}.mobile-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;background:transparent;border:none;color:var(--text-muted);font-size:10px;font-weight:500;cursor:pointer;transition:color .15s;flex:1;min-width:0;height:100%}.mobile-nav-item span{display:block;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mobile-nav-item.active{color:var(--teal)}.mobile-nav-item:active{transform:scale(.95)}.mobile-nav-item.primary-action .mobile-icon-wrapper{background:var(--teal);color:#fff;padding:14px;border-radius:16px;aspect-ratio:1 / 1;display:flex;align-items:center;justify-content:center;transform:translateY(-22px);box-shadow:0 6px 16px var(--teal-subtle);border:4px solid var(--bg)}.mobile-nav-item.primary-action.active .mobile-icon-wrapper{background:var(--teal);color:#fff;box-shadow:inset 0 3px 6px #0003;border-color:var(--border)}.mobile-nav-item.primary-action:active .mobile-icon-wrapper{transform:translateY(-20px) scale(.95);background:#528a8a;transition:all .1s ease}}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.animate-in{animation:fadeIn .25s ease forwards}.loading-pulse{animation:pulse 1.5s ease infinite}.workout-tabs{position:relative;display:flex;gap:24px;border-bottom:2px solid var(--border);padding-bottom:8px;margin-bottom:32px}.workout-tab{position:relative;padding:10px 4px;font-size:15px;font-weight:500;color:var(--text-secondary);cursor:pointer;background:transparent;border:none;transition:color .2s ease}.workout-tab:hover{color:var(--teal)}.workout-tab.active{color:var(--teal);font-weight:700}.workout-tab-indicator{position:absolute;bottom:-2px;height:4px;background:var(--teal);border-radius:4px 4px 0 0;transition:transform .3s cubic-bezier(.4,0,.2,1),width .3s cubic-bezier(.4,0,.2,1)}.toast-container{position:fixed;top:env(safe-area-inset-top,20px);left:50%;transform:translate(-50%);z-index:99999;display:flex;flex-direction:column;gap:10px;width:90%;max-width:400px;pointer-events:none;margin-top:16px}.toast{background:var(--bg-card);border:1px solid var(--border);padding:16px;border-radius:12px;box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:space-between;gap:12px;pointer-events:auto;animation:toastSlideDown .4s cubic-bezier(.2,.8,.2,1) forwards}.toast-success{border-left:4px solid var(--teal)}.toast-error{border-left:4px solid var(--accent)}.toast-info{border-left:4px solid #0984e3}@keyframes toastSlideDown{0%{opacity:0;transform:translateY(-20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}