:root{--bg-color:#0f1115;--bg-gradient:radial-gradient(circle at 15% 20%, #4f46e51f, transparent 45%), radial-gradient(circle at 85% 70%, #10b98114, transparent 45%), radial-gradient(circle at 50% 100%, #f59e0b0f, transparent 50%);--surface:#00000059;--surface-hover:#00000080;--border:#ffffff1a;--text-primary:#fff;--text-secondary:#a0a5b1;--accent:#4f46e5;--accent-glow:#4f46e566;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);font-family:var(--font-family);-webkit-font-smoothing:antialiased;min-height:100dvh}body:before{content:"";background:var(--bg-gradient);z-index:-2;position:fixed;inset:0}body:after{content:"";opacity:.015;pointer-events:none;z-index:-1;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");position:fixed;inset:0}#root{flex-direction:column;min-height:100dvh;display:flex}.glass{background:var(--surface);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:16px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:.4s ease-out both fadeIn}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--surface-hover)}h1,h2,h3,h4{letter-spacing:-.02em;font-weight:600}a{color:var(--accent);text-decoration:none;transition:color .2s}a:hover{color:#6366f1}.btn{font-family:var(--font-family);cursor:pointer;border:none;border-radius:8px;align-items:center;gap:8px;padding:10px 20px;font-size:.95rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px var(--accent-glow)}.btn-primary:hover{background:#6366f1;transform:translateY(-1px)}.btn-secondary{background:var(--surface);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--surface-hover)}.input-field{border:1px solid var(--border);color:#fff;width:100%;font-family:var(--font-family);background:#0003;border-radius:8px;padding:12px 16px;font-size:1rem;transition:all .2s}.input-field:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 2px #4f46e533}.input-label{color:var(--text-secondary);margin-bottom:6px;font-size:.85rem;font-weight:500;display:block}@keyframes spin{to{transform:rotate(360deg)}}.spin{animation:3s linear infinite spin}.overlay{-webkit-backdrop-filter:blur(8px);z-index:10;color:#fff;opacity:0;pointer-events:none;background:#0f1115cc;flex-direction:column;justify-content:center;align-items:center;transition:opacity .4s;display:flex;position:absolute;inset:0}.overlay.active{opacity:1;pointer-events:auto}@keyframes slideDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}.meal-card{gap:24px;animation:.5s cubic-bezier(.175,.885,.32,1.275) both slideDown;display:flex}.meal-stats-grid{color:var(--text-secondary);grid-template-columns:repeat(4,1fr);gap:12px;font-size:.9rem;display:grid}@media (width<=768px){.meal-card{flex-direction:column}.meal-stats-grid{grid-template-columns:repeat(2,1fr)}}.markdown-body p{margin-bottom:.8em}.markdown-body p:last-child{margin-bottom:0}.markdown-body ul,.markdown-body ol{margin-bottom:.8em;margin-left:1.5em}.markdown-body li{margin-bottom:.4em}.markdown-body strong{color:#fff;font-weight:600}.markdown-body h1,.markdown-body h2,.markdown-body h3{color:#fff;margin-top:1em;margin-bottom:.5em}.desktop-only{display:flex!important}.mobile-only{display:none!important}.app-container{min-height:100dvh;display:flex}.sidebar{flex-direction:column;gap:32px;width:250px;margin:16px;padding:24px;display:flex}.main-content{flex:1;height:100dvh;padding:16px 32px 0 0;overflow-y:auto}.main-content-inner{border:none;min-height:calc(100% - 16px);margin-bottom:16px;padding:32px}.bottom-nav{-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--border);padding:12px 24px calc(12px + env(safe-area-inset-bottom));z-index:100;background:#0f1115f2;justify-content:space-between;align-items:center;display:none;position:fixed;bottom:0;left:0;right:0}.bottom-nav a{color:var(--text-secondary);flex-direction:column;align-items:center;gap:4px;font-size:.75rem;text-decoration:none;display:flex}.bottom-nav a.active{color:var(--accent)}@media (width<=768px){.desktop-only{display:none!important}.mobile-only{display:flex!important}.app-container{flex-direction:column}.main-content{padding:16px;padding-bottom:calc(80px + env(safe-area-inset-bottom));height:auto;overflow-y:visible}.main-content-inner{padding:16px}.no-pad-mobile{background:0 0!important;border:none!important;padding:0!important}.bottom-nav{display:flex}.glass{padding:16px!important}.responsive-row{flex-direction:column}.assistant-layout{height:calc(100dvh - 80px - env(safe-area-inset-bottom));border-radius:0;flex-direction:column;margin:-16px;overflow:hidden!important}.mobile-hidden{display:none!important}.chat-window-mobile{border:none!important;border-radius:0!important;padding:0!important}.chat-content-mobile{gap:24px!important;padding:96px 16px 16px!important}.fab-container{padding:calc(16px + env(safe-area-inset-top)) 16px 16px 16px;z-index:50;-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);background:#0f1115d9;justify-content:space-between;display:flex;position:fixed;top:0;left:0;right:0}.fab{background:var(--surface);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);color:#fff;cursor:pointer;border-radius:22px;justify-content:center;align-items:center;width:44px;height:44px;display:flex;box-shadow:0 4px 12px #0003}.past-chats-modal{top:calc(80px + env(safe-area-inset-top));z-index:50;left:16px;right:16px;background:#0f1115f2!important;width:auto!important;max-height:350px!important;position:fixed!important;box-shadow:0 8px 32px #00000080!important}.desktop-sidebar{display:none!important}.desktop-sidebar.past-chats-modal{display:flex!important}}.responsive-row{gap:32px;display:flex}.chat-message-row{gap:16px;display:flex}.chat-message-row.user-msg{flex-direction:row-reverse}.chat-message-row.model-msg{flex-direction:row}@media (width<=768px){.chat-message-row{flex-direction:column!important;gap:8px!important}.chat-message-row.user-msg{align-items:flex-end!important}.chat-message-row.model-msg{align-items:flex-start!important}.chat-message-bubble{max-width:100%!important}}.assistant-layout{flex:1;gap:24px;display:flex;overflow:hidden}.responsive-grid-2{grid-template-columns:1fr 1fr;display:grid}@media (width<=768px){.responsive-grid-2{grid-template-columns:1fr}}