:root{--color-primary: #00D4FF;--color-primary-light: #66E5FF;--color-primary-mid: #00B8E6;--color-primary-dark: #0099CC;--color-primary-deep: #007ACC;--color-primary-foreground: #000000;--color-success: #00D4FF;--color-warning: #FFB800;--color-destructive: #FF6B6B;--color-background: #000000;--color-foreground: #FFFFFF;--color-card: #0A0A0A;--color-muted: #171717;--color-muted-foreground: #737373;--color-border: #262626;--color-ring-calories: #00D4FF;--color-ring-protein: #00B8E6;--color-ring-activity: #0099CC;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "SF Mono", "Monaco", "Inconsolata", "Fira Mono", monospace;--text-xs: 11px;--text-sm: 12px;--text-base: 14px;--text-lg: 16px;--text-xl: 20px;--text-2xl: 24px;--text-3xl: 32px;--text-4xl: 48px;--font-normal: 400;--font-medium: 500;--font-semibold: 600;--font-bold: 700;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 12px;--spacing-lg: 16px;--spacing-xl: 20px;--spacing-2xl: 24px;--spacing-3xl: 32px;--spacing-4xl: 48px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);--shadow-md: 0 4px 12px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .4);--shadow-glow: 0 0 20px rgba(0, 212, 255, .3);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--z-base: 1;--z-dropdown: 10;--z-modal: 100;--z-nav: 1000}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.h1{font-size:var(--text-3xl);font-weight:var(--font-semibold);letter-spacing:-.02em;color:var(--color-foreground);line-height:1.2}.h2{font-size:var(--text-xl);font-weight:var(--font-semibold);letter-spacing:-.01em;color:var(--color-foreground);line-height:1.3}.h3{font-size:var(--text-lg);font-weight:var(--font-semibold);color:var(--color-foreground);line-height:1.4}.text{font-size:var(--text-base);line-height:1.5;color:var(--color-foreground)}.text-sm{font-size:var(--text-sm)}.text-xs{font-size:var(--text-xs)}.text-muted{color:var(--color-muted-foreground)}.text-mono{font-family:var(--font-mono)}.text-large{font-size:var(--text-4xl);font-weight:var(--font-bold);letter-spacing:-.03em;line-height:1}.card{background:var(--color-card);border-radius:var(--radius-lg);border:1px solid var(--color-border);overflow:hidden}.card-padding{padding:var(--spacing-lg)}.card-padding-lg{padding:var(--spacing-2xl)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);font-family:var(--font-sans);font-weight:var(--font-medium);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);border:none;outline:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:var(--color-primary-foreground)}.btn-primary:hover:not(:disabled){background:var(--color-primary-light)}.btn-ghost{background:transparent;color:var(--color-foreground)}.btn-ghost:hover:not(:disabled){background:#ffffff1a}.btn-outline{background:transparent;border:1px solid var(--color-border);color:var(--color-foreground)}.btn-outline:hover:not(:disabled){background:#ffffff0d;border-color:var(--color-primary)}.btn-destructive{background:var(--color-destructive);color:#fff}.btn-sm{height:32px;padding:0 var(--spacing-md);font-size:var(--text-sm)}.btn-md{height:40px;padding:0 var(--spacing-lg);font-size:var(--text-base)}.btn-lg{height:48px;padding:0 var(--spacing-xl);font-size:var(--text-base)}.btn-icon{width:40px;height:40px;padding:0}.badge{display:inline-flex;align-items:center;padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--text-xs);font-weight:var(--font-medium);border-radius:var(--radius-full);background:#00d4ff26;color:var(--color-primary)}.badge-success{background:#00d4ff26;color:var(--color-success)}.badge-warning{background:#ffb80026;color:var(--color-warning)}.badge-destructive{background:#ff6b6b26;color:var(--color-destructive)}.progress{width:100%;height:6px;background:var(--color-muted);border-radius:var(--radius-full);overflow:hidden}.progress-bar{height:100%;border-radius:var(--radius-full);transition:width var(--transition-slow)}.progress-calories{background:linear-gradient(90deg,var(--color-primary-dark),var(--color-primary))}.progress-protein{background:linear-gradient(90deg,var(--color-primary-deep),var(--color-primary-mid))}.progress-activity{background:linear-gradient(90deg,#007ACC,var(--color-primary-dark))}.floating-nav{position:fixed;bottom:var(--spacing-lg);left:50%;transform:translate(-50%);z-index:var(--z-nav)}.nav-container{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm);background:#0a0a0ad9;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:var(--radius-xl);border:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow-lg)}.nav-button{position:relative;width:46px;height:46px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-lg);border:none;background:transparent;cursor:pointer;transition:all var(--transition-fast)}.nav-button:hover{background:#ffffff1a}.nav-button.active{background:var(--color-primary)}.nav-button.active:hover{background:var(--color-primary-light)}.modal-overlay{position:fixed;inset:0;background:#000c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:var(--z-modal);padding:var(--spacing-lg)}.modal{background:var(--color-card);border-radius:var(--radius-xl);border:1px solid var(--color-border);width:100%;max-width:400px;max-height:90vh;overflow-y:auto;animation:slideUp var(--transition-base)}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-lg);border-bottom:1px solid var(--color-border)}.modal-body{padding:var(--spacing-lg)}.modal-footer{display:flex;gap:var(--spacing-sm);padding:var(--spacing-lg);border-top:1px solid var(--color-border)}.input{width:100%;padding:var(--spacing-md) var(--spacing-lg);background:#ffffff0d;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-foreground);font-size:var(--text-base);font-family:var(--font-sans);transition:border-color var(--transition-fast)}.input:focus{outline:none;border-color:var(--color-primary)}.input::placeholder{color:var(--color-muted-foreground)}.ring-container{position:relative;display:flex;align-items:center;justify-content:center}.ring-text{position:absolute;display:flex;flex-direction:column;align-items:center;justify-content:center}.ring-value{font-size:var(--text-2xl);font-weight:var(--font-bold);color:var(--color-foreground);line-height:1}.ring-label{font-size:var(--text-xs);color:var(--color-muted-foreground)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-xs{gap:var(--spacing-xs)}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.gap-xl{gap:var(--spacing-xl)}.p-sm{padding:var(--spacing-sm)}.p-md{padding:var(--spacing-md)}.p-lg{padding:var(--spacing-lg)}.p-xl{padding:var(--spacing-xl)}.mb-xs{margin-bottom:var(--spacing-xs)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.w-full{width:100%}.text-center{text-align:center}.page-header{padding:var(--spacing-4xl) var(--spacing-lg) var(--spacing-2xl)}.page-content{padding:0 var(--spacing-lg)}.page-section{margin-bottom:var(--spacing-lg)}.grid{display:grid}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}.loading-container{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--color-background)}.spinner{width:32px;height:32px;border:3px solid var(--color-muted);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}.coach-card{background:linear-gradient(135deg,var(--color-card) 0%,rgba(0,212,255,.05) 100%)}.coach-icon{animation:none}.coach-icon.loading{animation:spin 1s linear infinite}:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}