:root{--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--color-primary: #6366f1;--color-primary-hover: #4f46e5;--color-primary-light: #e0e7ff;--color-primary-subtle: rgba(99, 102, 241, .08);--color-secondary: #f59e0b;--color-secondary-hover: #d97706;--color-success: #10b981;--color-success-light: #d1fae5;--color-danger: #ef4444;--color-danger-hover: #dc2626;--color-danger-light: #fee2e2;--color-warning: #f59e0b;--color-warning-light: #fef3c7;--color-info: #3b82f6;--bg-main: #f8fafc;--bg-card: #ffffff;--bg-card-hover: #f1f5f9;--bg-input: #ffffff;--bg-sidebar: #ffffff;--bg-modal-overlay: rgba(15, 23, 42, .5);--bg-badge: #e0e7ff;--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #94a3b8;--text-inverse: #ffffff;--text-on-primary: #ffffff;--border-color: #e2e8f0;--border-color-focus: #6366f1;--border-radius-sm: 8px;--border-radius: 12px;--border-radius-lg: 16px;--border-radius-xl: 24px;--border-radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .04);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .08), 0 8px 10px -6px rgba(0, 0, 0, .04);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--space-3xl: 64px;--transition-fast: .15s ease;--transition: .25s ease;--transition-slow: .4s ease;--navbar-height: 64px;--navbar-bg: rgba(255, 255, 255, .85);--navbar-blur: blur(12px)}[data-theme=dark]{--color-primary: #818cf8;--color-primary-hover: #6366f1;--color-primary-light: #312e81;--color-primary-subtle: rgba(129, 140, 248, .1);--color-secondary: #fbbf24;--color-success: #34d399;--color-success-light: #064e3b;--color-danger: #f87171;--color-danger-hover: #ef4444;--color-danger-light: #450a0a;--color-warning-light: #451a03;--bg-main: #0f172a;--bg-card: #1e293b;--bg-card-hover: #334155;--bg-input: #1e293b;--bg-sidebar: #1e293b;--bg-modal-overlay: rgba(0, 0, 0, .7);--bg-badge: #312e81;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-tertiary: #64748b;--border-color: #334155;--border-color-focus: #818cf8;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .2);--shadow: 0 1px 3px rgba(0, 0, 0, .3), 0 1px 2px rgba(0, 0, 0, .2);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .4);--navbar-bg: rgba(15, 23, 42, .85)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-family);background:var(--bg-main);color:var(--text-primary);line-height:1.6;min-height:100vh;transition:background var(--transition),color var(--transition);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{text-decoration:none;color:var(--color-primary)}ul{list-style:none}.app-layout{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;padding:var(--space-lg);padding-top:calc(var(--navbar-height) + var(--space-lg));max-width:1200px;margin:0 auto;width:100%}.navbar{position:fixed;top:0;left:0;right:0;height:var(--navbar-height);background:var(--navbar-bg);backdrop-filter:var(--navbar-blur);-webkit-backdrop-filter:var(--navbar-blur);border-bottom:1px solid var(--border-color);z-index:1000;display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-lg);transition:background var(--transition),border-color var(--transition)}.navbar-brand{display:flex;align-items:center;gap:var(--space-sm);font-size:1.25rem;font-weight:700;color:var(--text-primary)}.navbar-brand-icon{font-size:1.5rem}.navbar-nav{display:flex;align-items:center;gap:var(--space-sm)}.navbar-link{padding:var(--space-sm) var(--space-md);border-radius:var(--border-radius-sm);color:var(--text-secondary);font-weight:500;font-size:.9rem;transition:all var(--transition-fast);cursor:pointer;border:none;background:none}.navbar-link:hover,.navbar-link.active{background:var(--color-primary-subtle);color:var(--color-primary)}.navbar-actions{display:flex;align-items:center;gap:var(--space-sm)}.navbar-user{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-xs) var(--space-md);background:var(--color-primary-subtle);border-radius:var(--border-radius-full);font-size:.85rem;color:var(--color-primary);font-weight:500}.navbar-user-avatar{width:28px;height:28px;border-radius:50%;background:var(--color-primary);color:var(--text-on-primary);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700}.theme-toggle{width:38px;height:38px;border-radius:50%;border:1px solid var(--border-color);background:var(--bg-card);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.15rem;transition:all var(--transition-fast)}.theme-toggle:hover{background:var(--color-primary-subtle);color:var(--color-primary);border-color:var(--color-primary)}.hamburger{display:none;width:38px;height:38px;border-radius:var(--border-radius-sm);border:1px solid var(--border-color);background:var(--bg-card);color:var(--text-primary);cursor:pointer;font-size:1.3rem;align-items:center;justify-content:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:10px 20px;border-radius:var(--border-radius-sm);font-family:var(--font-family);font-size:.9rem;font-weight:600;cursor:pointer;border:none;transition:all var(--transition-fast);white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:var(--text-on-primary);box-shadow:0 1px 2px #6366f14d}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover);box-shadow:0 4px 12px #6366f159;transform:translateY(-1px)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background:var(--bg-card-hover);border-color:var(--color-primary);color:var(--color-primary)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:var(--color-danger-hover);transform:translateY(-1px)}.btn-success{background:var(--color-success);color:#fff}.btn-success:hover:not(:disabled){transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--text-secondary);padding:var(--space-sm)}.btn-ghost:hover{background:var(--color-primary-subtle);color:var(--color-primary)}.btn-sm{padding:6px 12px;font-size:.8rem}.btn-lg{padding:14px 28px;font-size:1rem}.btn-icon{width:36px;height:36px;padding:0;border-radius:var(--border-radius-sm)}.btn-block{width:100%}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:var(--space-md)}.form-label{font-size:.85rem;font-weight:600;color:var(--text-secondary);letter-spacing:.025em}.form-input,.form-select,.form-textarea{padding:10px 14px;border:1.5px solid var(--border-color);border-radius:var(--border-radius-sm);background:var(--bg-input);color:var(--text-primary);font-family:var(--font-family);font-size:.9rem;transition:all var(--transition-fast);outline:none}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--border-color-focus);box-shadow:0 0 0 3px var(--color-primary-subtle)}.form-input::placeholder{color:var(--text-tertiary)}.form-textarea{min-height:100px;resize:vertical}.form-checkbox-group{display:flex;align-items:center;gap:var(--space-sm)}.form-checkbox{width:18px;height:18px;accent-color:var(--color-primary);cursor:pointer}.form-error{color:var(--color-danger);font-size:.8rem;font-weight:500}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}.form-inline{display:flex;gap:var(--space-sm);align-items:flex-end}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--space-lg);transition:all var(--transition);box-shadow:var(--shadow-sm)}.card-hover:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-md);padding-bottom:var(--space-md);border-bottom:1px solid var(--border-color)}.card-title{font-size:1.1rem;font-weight:700;color:var(--text-primary)}.card-description{color:var(--text-secondary);font-size:.9rem;line-height:1.5}.card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--border-color)}.card-meta{display:flex;align-items:center;gap:var(--space-sm);font-size:.8rem;color:var(--text-tertiary)}.recipe-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--space-lg)}.recipe-card{position:relative;overflow:hidden}.recipe-card-emoji{font-size:2.5rem;margin-bottom:var(--space-sm)}.recipe-card-name{font-size:1.15rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--space-xs)}.recipe-card-desc{color:var(--text-secondary);font-size:.85rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:var(--space-md)}.recipe-card-stats{display:flex;gap:var(--space-md)}.recipe-card-stat{display:flex;align-items:center;gap:4px;font-size:.8rem;color:var(--text-tertiary)}.recipe-card-actions{display:flex;gap:var(--space-sm)}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:var(--border-radius-full);font-size:.75rem;font-weight:600;letter-spacing:.03em}.badge-primary{background:var(--bg-badge);color:var(--color-primary)}.badge-success{background:var(--color-success-light);color:var(--color-success)}.badge-danger{background:var(--color-danger-light);color:var(--color-danger)}.badge-warning{background:var(--color-warning-light);color:var(--color-warning)}.table-container{overflow-x:auto;border-radius:var(--border-radius);border:1px solid var(--border-color)}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border-color);font-size:.9rem}.table th{background:var(--color-primary-subtle);font-weight:600;color:var(--text-secondary);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:var(--bg-card-hover)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-lg);background:var(--bg-main)}.auth-container{width:100%;max-width:420px;animation:slideUp .5s ease}.auth-header{text-align:center;margin-bottom:var(--space-xl)}.auth-logo{font-size:3rem;margin-bottom:var(--space-sm)}.auth-title{font-size:1.75rem;font-weight:800;color:var(--text-primary);margin-bottom:var(--space-xs)}.auth-subtitle{color:var(--text-secondary);font-size:.95rem}.auth-card{padding:var(--space-xl)}.auth-footer{text-align:center;margin-top:var(--space-lg);color:var(--text-secondary);font-size:.9rem}.auth-footer a{font-weight:600}.auth-divider{display:flex;align-items:center;gap:var(--space-md);margin:var(--space-lg) 0;color:var(--text-tertiary);font-size:.85rem}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border-color)}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-xl);flex-wrap:wrap;gap:var(--space-md)}.page-title{font-size:1.75rem;font-weight:800;color:var(--text-primary)}.page-subtitle{color:var(--text-secondary);font-size:.95rem;margin-top:2px}.ingredient-list{display:flex;flex-direction:column;gap:var(--space-sm)}.ingredient-row{display:flex;align-items:flex-start;gap:var(--space-sm);padding:var(--space-md);background:var(--bg-main);border-radius:var(--border-radius-sm);border:1px solid var(--border-color);transition:border-color var(--transition-fast);flex-wrap:wrap}.ingredient-row:hover{border-color:var(--color-primary)}.ingredient-row .form-group{margin-bottom:0;flex:1;min-width:120px}.ingredient-row .form-group.name-group{flex:2;min-width:180px}.ingredient-size-config{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-sm);width:100%;padding-top:var(--space-sm);border-top:1px dashed var(--border-color);margin-top:var(--space-sm)}.ingredient-number{width:28px;height:28px;border-radius:50%;background:var(--color-primary);color:var(--text-on-primary);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;flex-shrink:0;margin-top:2px}.calculator-controls{display:flex;align-items:flex-end;gap:var(--space-md);flex-wrap:wrap;margin-bottom:var(--space-xl)}.calculator-controls .form-group{margin-bottom:0}.portion-input{display:flex;align-items:center;gap:var(--space-sm)}.portion-btn{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700}.portion-value{font-size:1.5rem;font-weight:800;color:var(--color-primary);min-width:48px;text-align:center}.shopping-list{display:flex;flex-direction:column;gap:var(--space-sm)}.shopping-item{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-lg);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);transition:all var(--transition-fast)}.shopping-item:hover{border-color:var(--color-primary);transform:translate(4px)}.shopping-item-name{font-weight:600;color:var(--text-primary);font-size:.95rem}.shopping-item-qty{display:flex;flex-direction:column;align-items:flex-end;gap:2px}.shopping-item-primary{font-weight:700;color:var(--color-primary);font-size:1rem}.shopping-item-secondary{font-size:.8rem;color:var(--text-tertiary)}.shopping-item-physical{font-size:.8rem;color:var(--color-secondary);font-weight:600}.size-selector{display:flex;gap:var(--space-sm)}.size-option{padding:6px 14px;border-radius:var(--border-radius-full);border:1.5px solid var(--border-color);background:var(--bg-card);color:var(--text-secondary);cursor:pointer;font-size:.8rem;font-weight:600;transition:all var(--transition-fast)}.size-option:hover{border-color:var(--color-primary)}.size-option.active{background:var(--color-primary);border-color:var(--color-primary);color:var(--text-on-primary)}.empty-state{text-align:center;padding:var(--space-3xl) var(--space-lg)}.empty-state-icon{font-size:4rem;margin-bottom:var(--space-md);opacity:.6}.empty-state-title{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--space-sm)}.empty-state-desc{color:var(--text-secondary);font-size:.95rem;margin-bottom:var(--space-lg);max-width:400px;margin-left:auto;margin-right:auto}.alert{padding:var(--space-md) var(--space-lg);border-radius:var(--border-radius-sm);font-size:.9rem;font-weight:500;display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-md);animation:slideDown .3s ease}.alert-error{background:var(--color-danger-light);color:var(--color-danger);border:1px solid var(--color-danger)}.alert-success{background:var(--color-success-light);color:var(--color-success);border:1px solid var(--color-success)}.alert-warning{background:var(--color-warning-light);color:var(--color-warning);border:1px solid var(--color-warning)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg-modal-overlay);z-index:2000;display:flex;align-items:center;justify-content:center;padding:var(--space-lg);animation:fadeIn .2s ease}.modal{background:var(--bg-card);border-radius:var(--border-radius-lg);padding:var(--space-xl);width:100%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-xl);animation:scaleIn .25s ease}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg)}.modal-title{font-size:1.25rem;font-weight:700}.modal-close{width:32px;height:32px;border-radius:50%;border:none;background:var(--bg-main);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:all var(--transition-fast)}.modal-close:hover{background:var(--color-danger-light);color:var(--color-danger)}.modal-actions{display:flex;gap:var(--space-sm);justify-content:flex-end;margin-top:var(--space-lg)}.spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top:3px solid var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-3xl);gap:var(--space-md);color:var(--text-secondary)}.admin-tabs{display:flex;gap:var(--space-xs);margin-bottom:var(--space-lg);border-bottom:2px solid var(--border-color);padding-bottom:0}.admin-tab{padding:var(--space-sm) var(--space-lg);border:none;background:none;color:var(--text-secondary);font-weight:600;cursor:pointer;font-size:.9rem;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all var(--transition-fast);font-family:var(--font-family)}.admin-tab:hover{color:var(--color-primary)}.admin-tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes spin{to{transform:rotate(360deg)}}.fade-in{animation:fadeIn .4s ease}.slide-up{animation:slideUp .4s ease}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-tertiary);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}@media (max-width: 768px){.main-content{padding:var(--space-md);padding-top:calc(var(--navbar-height) + var(--space-md))}.navbar-nav{display:none;position:absolute;top:var(--navbar-height);left:0;right:0;flex-direction:column;background:var(--bg-card);border-bottom:1px solid var(--border-color);padding:var(--space-sm);box-shadow:var(--shadow-lg)}.navbar-nav.open,.hamburger{display:flex}.page-header{flex-direction:column;align-items:flex-start}.recipe-grid,.form-row{grid-template-columns:1fr}.ingredient-row{flex-direction:column}.ingredient-row .form-group{width:100%}.calculator-controls{flex-direction:column;align-items:stretch}.navbar-user span:not(.navbar-user-avatar){display:none}.ingredient-size-config{grid-template-columns:1fr}.auth-card{padding:var(--space-lg)}.page-title{font-size:1.4rem}.modal{margin:var(--space-md);padding:var(--space-lg)}}@media (max-width: 480px){.navbar{padding:0 var(--space-md)}.btn-lg{padding:12px 20px;font-size:.9rem}.card{padding:var(--space-md)}.shopping-item{padding:var(--space-md);flex-direction:column;align-items:flex-start;gap:var(--space-sm)}.shopping-item-qty{align-items:flex-start}}.portion-value::-webkit-inner-spin-button,.portion-value::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}