:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--secondary-color: #64748b;--success-color: #059669;--warning-color: #d97706;--error-color: #dc2626;--background: #ffffff;--surface: #f8fafc;--surface-hover: #f1f5f9;--border: #e2e8f0;--border-hover: #cbd5e1;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius: .5rem;--radius-lg: .75rem;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;font-weight:400;color-scheme:light;color:var(--text-primary);background-color:var(--surface);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}*{box-sizing:border-box}body{margin:0;padding:0;min-width:320px;min-height:100vh;background:var(--surface)}#root{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.header{background:var(--background);border-bottom:1px solid var(--border);padding:2rem 0;text-align:center}.header h1{margin:0;font-size:2.5rem;font-weight:700;color:var(--text-primary);letter-spacing:-.025em}.header p{margin:.75rem 0 0;color:var(--text-secondary);font-size:1.125rem;font-weight:400}.main-content{padding:2rem 0}.card{background:var(--background);border-radius:var(--radius-lg);padding:2rem;margin-bottom:2rem;box-shadow:var(--shadow);border:1px solid var(--border);transition:all .2s ease}.card:hover{box-shadow:var(--shadow-md)}.card h2{margin:0 0 1.5rem;color:var(--text-primary);font-size:1.5rem;font-weight:600;letter-spacing:-.025em}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-primary);font-size:.875rem;letter-spacing:.025em}.form-input,.form-select{width:100%;padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem;background:var(--background);color:var(--text-primary);transition:all .2s ease}.form-input:hover,.form-select:hover{border-color:var(--border-hover)}.form-input:focus,.form-select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.checkbox-group{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.5rem;margin-top:.5rem}.checkbox-item{display:flex;align-items:center;gap:.5rem}.checkbox-item input[type=checkbox]{width:auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;background:var(--primary-color);color:#fff;padding:.75rem 1.5rem;border:none;border-radius:var(--radius);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease;text-decoration:none;text-align:center;white-space:nowrap}.btn:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-secondary{background:var(--secondary-color)}.btn-secondary:hover{background:#475569}.btn-success{background:var(--success-color)}.btn-success:hover{background:#047857}.btn-warning{background:var(--warning-color);color:#fff}.btn-warning:hover{background:#b45309}.btn-group{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1rem}.warning{background:#fef3c7;border:1px solid #f59e0b;color:#92400e;padding:1rem 1.5rem;border-radius:var(--radius);margin-bottom:1.5rem;border-left:4px solid var(--warning-color)}.warning strong{display:block;margin-bottom:.5rem;font-weight:600}.meal-card{background:var(--background);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.5rem;box-shadow:var(--shadow-sm);transition:all .2s ease}.meal-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow)}.meal-title{font-weight:600;color:var(--primary-color);margin-bottom:.75rem;font-size:1.125rem;letter-spacing:-.025em}.meal-recipe{color:var(--text-primary);margin-bottom:.75rem;font-weight:500}.meal-notes{color:var(--text-secondary);font-size:.9rem;margin-bottom:1rem;line-height:1.5}.nutrition-info{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;margin-top:1rem;font-size:.875rem}.steps-list{list-style:none;padding:0;margin:.5rem 0}.steps-list li{padding:.25rem 0 .25rem 1.5rem;position:relative}.steps-list li:before{content:counter(step-counter);counter-increment:step-counter;position:absolute;left:0;top:.25rem;background:#6ec1e4;color:#fff;width:1.2rem;height:1.2rem;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:600}.steps-list{counter-reset:step-counter}.shopping-list{background:#f8f9fa;border-radius:8px;padding:1rem}.shopping-category{margin-bottom:1rem}.shopping-category h4{margin:0 0 .5rem;color:#495057;font-size:1rem}.shopping-items{list-style:none;padding:0;margin:0}.shopping-items li{padding:.25rem 0;color:#6c757d}.loading{text-align:center;padding:2rem;color:#6c757d}.empty-state{text-align:center;padding:3rem 1rem;color:#6c757d}.empty-state h3{margin-bottom:1rem;color:#495057}.navigation{background:var(--background);border-bottom:1px solid var(--border);padding:1rem 0;position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.nav-buttons{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center}.nav-button{background:transparent;color:var(--text-secondary);border:1px solid var(--border);padding:.5rem 1rem;border-radius:var(--radius);cursor:pointer;transition:all .2s ease;font-size:.875rem;font-weight:500;white-space:nowrap}.nav-button:hover{background:var(--surface-hover);color:var(--text-primary);border-color:var(--border-hover)}.nav-button.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color);box-shadow:var(--shadow-sm)}@media (max-width: 768px){.container{padding:0 .5rem}.header h1{font-size:1.5rem}.checkbox-group{grid-template-columns:1fr}.btn-group{flex-direction:column}.btn{width:100%}.nav-buttons{flex-direction:column}.nav-button{width:100%}}