:root{--bg: #f6f6f8;--bg-subtle: #efeff2;--surface: #ffffff;--surface-elevated: #fafafb;--surface-hover: #f2f2f5;--border: #e3e3e6;--border-strong: #d1d1d6;--text: #1c1c1e;--text-secondary: #3a3a3c;--text-muted: #6c6c70;--text-placeholder: #8e8e93;--accent: #0066cc;--accent-hover: #0052a3;--accent-bg: #e3f0fc;--accent-bg-strong: #cce5fa;--calories: #c2410c;--protein: #075985;--carbs: #5b21b6;--fat: #b91c1c;--fiber: #047857;--danger-bg: #fef2f2;--danger-border: #fecaca;--danger-hover: #fee2e2;--radius: 14px;--radius-sm: 10px;--radius-xs: 6px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-mono: ui-monospace, "SF Mono", "Cascadia Code", monospace;--text-xs: .75rem;--text-sm: .8125rem;--text-base: .9375rem;--text-md: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 2rem;--leading-tight: 1.35;--leading-normal: 1.5;--leading-relaxed: 1.6;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .04);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow: 0 4px 16px rgba(0, 0, 0, .08), 0 2px 4px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08), 0 2px 6px rgba(0, 0, 0, .04);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .1);--content-max: 1200px;--header-height: 56px;--page-padding: 24px}*{box-sizing:border-box}body{margin:0;font-family:var(--font);font-size:var(--text-base);line-height:var(--leading-normal);color:var(--text);background:var(--bg);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}a{color:var(--accent);text-decoration:none;transition:color .15s ease}a:hover{color:var(--accent-hover);text-decoration:underline}input,button,select,textarea{font-family:var(--font);font-size:inherit}button{cursor:pointer;transition:background-color .15s ease,color .15s ease,border-color .15s ease,box-shadow .15s ease}button:disabled{opacity:.5;cursor:not-allowed}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{position:sticky;top:0;z-index:100;height:var(--header-height);background:#ffffffe0;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 var(--page-padding)}.app-brand{font-size:var(--text-xl);font-weight:700;letter-spacing:-.03em;color:var(--text)}.app-brand:hover{text-decoration:none;color:var(--text)}.app-nav{display:flex;align-items:center;gap:2px}.app-nav a{padding:10px 16px;border-radius:var(--radius-sm);color:var(--text-muted);font-weight:500;font-size:var(--text-sm);transition:color .15s ease,background-color .15s ease}.app-nav a:hover{color:var(--text);background:var(--surface-hover);text-decoration:none}.app-nav a.active{color:var(--accent);background:var(--accent-bg);text-decoration:none}.app-main{flex:1;width:100%;padding:0 var(--page-padding) 56px}.page-content{max-width:var(--content-max);margin:0 auto;padding-top:48px}.section{margin-bottom:48px}.page-header{margin-bottom:40px}.page-header h1{font-size:var(--text-3xl);font-weight:700;letter-spacing:-.035em;line-height:var(--leading-tight);margin:0 0 8px;color:var(--text)}.page-header p{margin:0;font-size:var(--text-md);color:var(--text-muted);line-height:var(--leading-relaxed);max-width:52ch}.hero{background:var(--surface);border-radius:var(--radius);padding:48px 56px;margin-bottom:36px;text-align:center;border:1px solid var(--border);box-shadow:var(--shadow-sm)}.hero__title{font-size:2.25rem;font-weight:700;letter-spacing:-.035em;margin:0 0 8px;color:var(--text)}.hero__subtitle{font-size:var(--text-lg);color:var(--text-muted);margin:0;font-weight:500}.grid{display:grid;gap:24px}.grid--2{grid-template-columns:repeat(2,1fr)}.grid--3{grid-template-columns:repeat(3,1fr)}.grid--sidebar{grid-template-columns:400px 1fr;gap:32px;align-items:start}@media (max-width: 1024px){.grid--2,.grid--3,.grid--sidebar{grid-template-columns:1fr}}@media (max-width: 768px){.app-header{padding:0 16px}.app-main{padding:0 16px 40px}.page-content{padding-top:32px}.page-header{margin-bottom:28px}.page-header h1{font-size:var(--text-2xl)}.hero{padding:36px 24px}.hero__title{font-size:1.75rem}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:box-shadow .2s ease,border-color .2s ease}.card:hover{box-shadow:var(--shadow)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border);flex-wrap:wrap;gap:12px}.card-header h2{font-size:var(--text-lg);font-weight:600;letter-spacing:-.02em;margin:0;color:var(--text)}.card-value{font-size:var(--text-2xl);font-weight:600;color:var(--text);margin:0;letter-spacing:-.02em}.card-section-title{font-size:var(--text-sm);font-weight:600;color:var(--text-muted);margin:0 0 12px;letter-spacing:.01em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-weight:500;font-size:var(--text-sm);border:none;transition:background-color .15s ease,color .15s ease,border-color .15s ease,box-shadow .15s ease}.btn:focus-visible{outline:none;box-shadow:0 0 0 2px var(--surface),0 0 0 4px var(--accent)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border-strong)}.btn-secondary:hover:not(:disabled){background:var(--surface-elevated);border-color:var(--border)}.btn-ghost{background:transparent;color:var(--text-muted)}.btn-ghost:hover:not(:disabled){color:var(--text);background:var(--surface-hover)}.btn-sm{padding:8px 14px;font-size:var(--text-xs)}.btn-danger{background:var(--danger-bg);color:var(--fat);border:1px solid var(--danger-border)}.btn-danger:hover:not(:disabled){background:var(--danger-hover)}.input-group{margin-bottom:18px}.input-group:last-child{margin-bottom:0}.input-group label{display:block;font-size:var(--text-xs);font-weight:600;color:var(--text-secondary);margin-bottom:8px;letter-spacing:.02em}.input-group input,.input-group select,.input-group textarea{width:100%;padding:12px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:var(--text-base);transition:border-color .15s ease,box-shadow .15s ease}.input-group input::placeholder,.input-group select option:first-child{color:var(--text-placeholder)}.input-group input:focus,.input-group select:focus,.input-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.form-hint{font-size:var(--text-sm);color:var(--text-muted);margin:6px 0 0;line-height:var(--leading-normal)}.macro-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:12px}.macro-item{background:var(--surface-elevated);border-radius:var(--radius-sm);padding:16px;text-align:center;border:1px solid var(--border);transition:border-color .15s ease,box-shadow .15s ease}.macro-item:hover{border-color:var(--border-strong);box-shadow:var(--shadow-xs)}.macro-item .value{font-family:var(--font-mono);font-weight:600;font-size:var(--text-lg);letter-spacing:-.02em}.macro-item .label{font-size:.6875rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-top:6px;font-weight:500}.macro-item.calories .value{color:var(--calories)}.macro-item.protein .value{color:var(--protein)}.macro-item.carbs .value{color:var(--carbs)}.macro-item.fat .value{color:var(--fat)}.macro-item.fiber .value{color:var(--fiber)}.macro-item .macro-goal{color:var(--text-muted);font-weight:500;font-size:.9em}.empty-state{text-align:center;padding:48px 28px;color:var(--text-muted);font-size:var(--text-base);line-height:var(--leading-relaxed)}.empty-state a{font-weight:500}.sidebar-panel{position:sticky;top:calc(var(--header-height) + 20px)}.recharts-cartesian-grid-horizontal line,.recharts-cartesian-grid-vertical line{stroke:var(--border);stroke-opacity:.5}.recharts-text{fill:var(--text-muted);font-size:11px}.chart-caption{font-size:var(--text-xs);color:var(--text-muted);margin:10px 0 0;line-height:var(--leading-normal)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#00000073;display:flex;align-items:center;justify-content:center;padding:24px;animation:modal-fade-in .2s ease-out}@keyframes modal-fade-in{0%{opacity:0}to{opacity:1}}.modal-dialog{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:28px;max-width:400px;width:100%;animation:modal-slide-in .25s ease-out}@keyframes modal-slide-in{0%{opacity:0;transform:scale(.98) translateY(-12px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-dialog__title{font-size:var(--text-lg);font-weight:600;margin:0 0 12px;color:var(--text)}.modal-dialog__message{font-size:var(--text-base);color:var(--text-muted);margin:0 0 24px;line-height:var(--leading-relaxed)}.modal-dialog__actions{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap}.modal-dialog--alert.modal-dialog--error .modal-dialog__title{color:var(--fat)}.modal-dialog--alert.modal-dialog--success .modal-dialog__title{color:var(--fiber)}.modal-dialog--alert.modal-dialog--info .modal-dialog__title{color:var(--accent)}