:root{--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--radius-xl: 24px;--radius-full: 999px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-size-xs: .75rem;--font-size-sm: .8125rem;--font-size-base: .9375rem;--font-size-md: 1.0625rem;--font-size-lg: 1.25rem;--font-size-xl: 1.5rem;--font-size-2xl: 1.875rem;--font-size-3xl: 2.25rem;--line-height-tight: 1.2;--line-height-normal: 1.5;--font-weight-regular: 400;--font-weight-medium: 550;--font-weight-semibold: 650;--font-weight-bold: 750;--transition-fast: .12s ease;--transition-base: .2s ease;--content-max-width: 1180px;--touch-target-min: 44px;--color-bg: #f6f8f7;--color-bg-tint: #eef5f2;--color-surface: #ffffff;--color-surface-raised: #ffffff;--color-border: #e2e8e5;--color-border-strong: #cbd6d1;--color-text-primary: #10201b;--color-text-secondary: #4b5f58;--color-text-muted: #7c8f88;--color-text-inverse: #f6faf9;--color-accent: #0d9488;--color-accent-strong: #0b7d73;--color-accent-soft: #e3f5f2;--color-accent-contrast: #ffffff;--color-success: #1a9c6b;--color-success-soft: #e4f6ee;--color-warning: #b5790a;--color-warning-soft: #fbf1de;--color-danger: #c1473f;--color-danger-soft: #fbeae8;--color-chart-protein: #0d9488;--color-chart-carbohydrate: #d9a441;--color-chart-fat: #b5654f;--color-chart-fiber: #6b8fb0;--color-chart-grid: #e2e8e5;--color-chart-target: #4b5f58;--shadow-sm: 0 1px 2px rgba(16, 32, 27, .06);--shadow-md: 0 4px 10px rgba(16, 32, 27, .06), 0 1px 3px rgba(16, 32, 27, .05);--shadow-lg: 0 12px 28px rgba(16, 32, 27, .09), 0 3px 8px rgba(16, 32, 27, .06);color-scheme:light}@media(prefers-color-scheme:dark){:root{--color-bg: #0e1613;--color-bg-tint: #101c18;--color-surface: #16221e;--color-surface-raised: #1b2925;--color-border: #26352f;--color-border-strong: #34473f;--color-text-primary: #eef5f2;--color-text-secondary: #a9bab3;--color-text-muted: #7c9089;--color-text-inverse: #0e1613;--color-accent: #2dd4bf;--color-accent-strong: #5eead4;--color-accent-soft: #14342f;--color-accent-contrast: #06201b;--color-success: #34d399;--color-success-soft: #123328;--color-warning: #f0b849;--color-warning-soft: #332708;--color-danger: #f0685f;--color-danger-soft: #331714;--color-chart-protein: #2dd4bf;--color-chart-carbohydrate: #f0c063;--color-chart-fat: #e08b73;--color-chart-fiber: #8db3d6;--color-chart-grid: #26352f;--color-chart-target: #a9bab3;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .24);--shadow-md: 0 4px 12px rgba(0, 0, 0, .32), 0 1px 3px rgba(0, 0, 0, .28);--shadow-lg: 0 16px 32px rgba(0, 0, 0, .4), 0 4px 10px rgba(0, 0, 0, .3);color-scheme:dark}}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font-sans);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text-primary);background:var(--color-bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}img,svg{display:block;max-width:100%}button,input,select,textarea{font-family:inherit;color:inherit}a{color:var(--color-accent-strong)}h1,h2,h3,h4,p{margin:0}.num,.num *{font-variant-numeric:tabular-nums}.app-background{position:relative;min-height:100%}.app-background:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;background:radial-gradient(120% 100% at 10% 0%,var(--color-bg-tint) 0%,var(--color-bg) 55%)}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:var(--radius-sm)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}.app-shell{display:flex;min-height:100%}.app-main{flex:1;min-width:0;display:flex;flex-direction:column}.page-content{width:100%;max-width:var(--content-max-width);margin:0 auto;padding:var(--space-4) var(--space-4) calc(var(--space-16) + env(safe-area-inset-bottom))}@media(min-width:1024px){.page-content{padding:var(--space-8) var(--space-8) var(--space-12)}}.page-header{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-3);margin-bottom:var(--space-5);flex-wrap:wrap}.page-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);letter-spacing:-.01em}.page-subtitle{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:var(--space-5)}.card-title{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.04em;margin-bottom:var(--space-3)}.card-grid{display:grid;grid-template-columns:1fr;gap:var(--space-4)}@media(min-width:640px){.card-grid.cols-2{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.card-grid.cols-3{grid-template-columns:repeat(3,1fr)}.card-grid.cols-4{grid-template-columns:repeat(4,1fr)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);min-height:var(--touch-target-min);padding:0 var(--space-5);border-radius:var(--radius-full);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);border:1px solid transparent;cursor:pointer;transition:transform var(--transition-fast),box-shadow var(--transition-fast),background var(--transition-fast);-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--color-accent);color:var(--color-accent-contrast);box-shadow:var(--shadow-sm)}.btn-primary:hover:not(:disabled){background:var(--color-accent-strong)}.btn-secondary{background:var(--color-surface);border-color:var(--color-border-strong);color:var(--color-text-primary)}.btn-secondary:hover:not(:disabled){border-color:var(--color-accent)}.btn-ghost{background:transparent;color:var(--color-text-secondary)}.btn-ghost:hover:not(:disabled){background:var(--color-bg-tint)}.btn-danger{background:var(--color-danger-soft);color:var(--color-danger)}.btn-icon{min-width:var(--touch-target-min);padding:0}.btn-sm{min-height:36px;padding:0 var(--space-4);font-size:var(--font-size-sm)}.btn-block{width:100%}.field{display:flex;flex-direction:column;gap:var(--space-2);margin-bottom:var(--space-4)}.field-label{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-secondary)}.field-hint{font-size:var(--font-size-xs);color:var(--color-text-muted)}.input,.select,.textarea{width:100%;min-height:var(--touch-target-min);padding:var(--space-3) var(--space-4);font-size:16px;border-radius:var(--radius-md);border:1px solid var(--color-border-strong);background:var(--color-surface);color:var(--color-text-primary);transition:border-color var(--transition-fast)}.input:focus,.select:focus,.textarea:focus{border-color:var(--color-accent)}.textarea{min-height:88px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr;gap:var(--space-4)}@media(min-width:560px){.form-row.cols-2{grid-template-columns:1fr 1fr}.form-row.cols-3{grid-template-columns:1fr 1fr 1fr}}.sidebar-nav{display:none}@media(min-width:900px){.sidebar-nav{display:flex;flex-direction:column;width:232px;flex-shrink:0;padding:var(--space-6) var(--space-4);border-right:1px solid var(--color-border);gap:var(--space-1)}}.sidebar-brand{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);margin-bottom:var(--space-6);font-weight:var(--font-weight-semibold);font-size:var(--font-size-md)}.nav-link{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3);border-radius:var(--radius-md);color:var(--color-text-secondary);text-decoration:none;font-weight:var(--font-weight-medium);font-size:var(--font-size-sm);min-height:var(--touch-target-min)}.nav-link svg{width:20px;height:20px;flex-shrink:0}.nav-link:hover{background:var(--color-bg-tint);color:var(--color-text-primary)}.nav-link.active{background:var(--color-accent-soft);color:var(--color-accent-strong)}.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;justify-content:space-around;background:var(--color-surface);border-top:1px solid var(--color-border);padding:var(--space-1) var(--space-1) calc(var(--space-1) + env(safe-area-inset-bottom))}@media(min-width:900px){.bottom-nav{display:none}}.bottom-nav-link{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;flex:1;min-height:var(--touch-target-min);padding:var(--space-2) 0;color:var(--color-text-muted);text-decoration:none;font-size:11px;font-weight:var(--font-weight-medium)}.bottom-nav-link svg{width:22px;height:22px}.bottom-nav-link.active{color:var(--color-accent-strong)}.fab-add-meal{position:fixed;right:var(--space-4);bottom:calc(76px + env(safe-area-inset-bottom));z-index:21;border-radius:var(--radius-full);box-shadow:var(--shadow-lg)}@media(min-width:900px){.fab-add-meal{display:none}}.skeleton{position:relative;overflow:hidden;background:var(--color-bg-tint);border-radius:var(--radius-md)}.skeleton:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;transform:translate(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);animation:skeleton-shimmer 1.4s infinite}@media(prefers-color-scheme:dark){.skeleton:after{background:linear-gradient(90deg,transparent,rgba(255,255,255,.06),transparent)}}@keyframes skeleton-shimmer{to{transform:translate(100%)}}.empty-state{display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--space-3);padding:var(--space-8) var(--space-4);color:var(--color-text-secondary)}.empty-state svg{width:40px;height:40px;color:var(--color-text-muted)}.empty-state-title{font-weight:var(--font-weight-medium);color:var(--color-text-primary)}.error-banner{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-4);border-radius:var(--radius-md);background:var(--color-danger-soft);color:var(--color-danger);font-size:var(--font-size-sm)}.error-banner svg{width:18px;height:18px;flex-shrink:0;margin-top:2px}.notice-banner{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-4);border-radius:var(--radius-md);background:var(--color-accent-soft);color:var(--color-accent-strong);font-size:var(--font-size-sm)}.notice-banner svg{width:18px;height:18px;flex-shrink:0;margin-top:2px}.badge{display:inline-flex;align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);background:var(--color-bg-tint);color:var(--color-text-secondary)}.badge-accent{background:var(--color-accent-soft);color:var(--color-accent-strong)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;background:#0a141166;display:flex;align-items:flex-end;justify-content:center}@media(min-width:640px){.modal-backdrop{align-items:center;padding:var(--space-4)}}.modal-sheet{width:100%;max-width:480px;max-height:88vh;overflow-y:auto;background:var(--color-surface);border-radius:var(--radius-xl) var(--radius-xl) 0 0;padding:var(--space-5);padding-bottom:calc(var(--space-6) + env(safe-area-inset-bottom));box-shadow:var(--shadow-lg)}@media(min-width:640px){.modal-sheet{border-radius:var(--radius-xl)}}.stack{display:flex;flex-direction:column;gap:var(--space-4)}.text-muted{color:var(--color-text-muted)}.text-secondary{color:var(--color-text-secondary)}.text-sm{font-size:var(--font-size-sm)}.text-xs{font-size:var(--font-size-xs)}.chart{width:100%}.chart-svg{width:100%;height:auto;display:block;max-width:640px;margin:0 auto}.chart-svg.chart-svg-wide{max-width:none}.chart-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-8) var(--space-4);color:var(--color-text-muted);font-size:var(--font-size-sm);text-align:center}.chart-axis-label{font-size:10px;fill:var(--color-text-muted)}.chart-grid-line{stroke:var(--color-chart-grid);stroke-width:1}.chart-target-line{stroke:var(--color-chart-target);stroke-width:1.5;stroke-dasharray:4 4}.chart-legend{display:flex;flex-wrap:wrap;gap:var(--space-3) var(--space-4);justify-content:center;margin-top:var(--space-3);font-size:var(--font-size-xs);color:var(--color-text-secondary)}.chart-legend-item{display:inline-flex;align-items:center;gap:6px}.chart-legend-swatch{width:9px;height:9px;border-radius:3px;flex-shrink:0}.donut-caption{fill:var(--color-text-primary);font-weight:650}.donut-subcaption{fill:var(--color-text-muted)}.progress-ring-wrap{position:relative;display:inline-flex;max-width:220px;margin:0 auto}.progress-ring-label{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.progress-ring-value{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);letter-spacing:-.02em}.progress-ring-caption{font-size:var(--font-size-xs);color:var(--color-text-muted)}.macro-strip{display:flex;width:100%;height:8px;border-radius:var(--radius-full);overflow:hidden;background:var(--color-bg-tint)}.macro-strip-segment{height:100%}.macro-meter{display:flex;flex-direction:column;gap:6px}.macro-meter-row{display:flex;justify-content:space-between;font-size:var(--font-size-xs);color:var(--color-text-secondary)}.macro-meter-track{width:100%;height:6px;border-radius:var(--radius-full);background:var(--color-bg-tint);overflow:hidden}.macro-meter-fill{height:100%;border-radius:var(--radius-full);transition:width var(--transition-base)}.heatmap-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;max-width:420px;margin:0 auto}.heatmap-cell{aspect-ratio:1;border-radius:5px;background:var(--color-bg-tint)}.heatmap-legend{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:var(--space-3);font-size:var(--font-size-xs);color:var(--color-text-muted)}.heatmap-legend-swatch{width:12px;height:12px;border-radius:3px}.sparkline-wrap{display:flex;align-items:center;gap:var(--space-3)}