:root{--background-color: #f8fafc;--card-background-color: #ffffff;--text-color: #334155;--heading-color: #1e293b;--primary-color: #3b82f6;--primary-color-hover: #2563eb;--border-color: #e2e8f0;--error-color: #ef4444;--danger-color: #dc2626;--danger-bg-color: #fee2e2;--danger-bg-hover-color: #fecaca;--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--font-family: "Inter", sans-serif}html{height:100%}body{font-family:var(--font-family);background-color:var(--background-color);color:var(--text-color);margin:0;height:100%}#onboarding-section,#login-section,#otp-section{display:flex;justify-content:center;align-items:center;min-height:100%;padding:1rem;box-sizing:border-box}.auth-container{width:100%;max-width:400px;background-color:var(--card-background-color);border-radius:.75rem;padding:2rem;box-shadow:var(--shadow);border:1px solid var(--border-color);text-align:center}.auth-logo{width:64px;height:64px;object-fit:cover;border-radius:50%;margin:0 auto 1.5rem;display:block}.auth-container h2{color:var(--heading-color);font-weight:600;margin-top:0}.auth-container p{color:#64748b;margin-bottom:1.5rem}.auth-container form{display:flex;flex-direction:column;gap:1.25rem;text-align:left}.auth-switch{margin-top:1.5rem;font-size:.9rem;color:#475569}.auth-switch a{color:var(--primary-color);font-weight:500;text-decoration:none}.auth-switch a:hover{text-decoration:underline}.onboarding-container{width:100%;max-width:600px;background-color:var(--card-background-color);border-radius:.75rem;padding:2rem;box-shadow:var(--shadow);border:1px solid var(--border-color);text-align:center}.onboarding-container .auth-logo{margin-bottom:1rem}.onboarding-container h2,.onboarding-container h3{color:var(--heading-color);font-weight:600}.onboarding-container h3{margin-top:0;margin-bottom:1.5rem}.step-description{color:#64748b;margin-top:-1rem;margin-bottom:1.5rem}.progress-bar{display:flex;justify-content:space-between;align-items:center;margin:1.5rem 0 2rem;position:relative}.progress-bar:before{content:"";position:absolute;top:50%;left:0;transform:translateY(-50%);height:2px;width:100%;background-color:var(--border-color);z-index:1}.progress-step{width:30px;height:30px;border-radius:50%;background-color:#e2e8f0;border:2px solid #e2e8f0;color:#94a3b8;display:flex;justify-content:center;align-items:center;font-weight:600;z-index:2;transition:all .3s ease}.progress-step.active{background-color:var(--primary-color);border-color:var(--primary-color);color:#fff}.onboarding-step{display:none}.onboarding-step.active{display:block}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;text-align:left}.form-grid.single-col{grid-template-columns:1fr;max-width:350px;margin:0 auto}.connection-item{display:flex;gap:1rem;align-items:flex-end;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}.connection-item:last-child{border-bottom:none;margin-bottom:0}.connection-item .input-group{flex-grow:1}.onboarding-navigation{margin-top:2rem;display:flex;justify-content:space-between;align-items:center}.secondary-button{background-color:#e2e8f0;color:var(--heading-color);border:none;padding:.6rem 1.2rem;border-radius:.5rem;font-size:.9rem;font-weight:600;cursor:pointer;transition:background-color .2s,box-shadow .2s;display:inline-flex;align-items:center;gap:.5rem}.secondary-button:hover:not(:disabled){background-color:#cbd5e1}.danger-button{background-color:var(--danger-bg-color);color:var(--danger-color);border:none;padding:.75rem 1.5rem;border-radius:.5rem;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .2s,box-shadow .2s;display:inline-flex;align-items:center;gap:.5rem;justify-content:center}.danger-button.full-width{width:100%}.danger-button:hover{background-color:var(--danger-bg-hover-color)}.remove-connection-btn{background-color:#fee2e2;color:var(--error-color);padding:.5rem;line-height:1;height:fit-content;margin-bottom:.8rem}.remove-connection-btn:hover{background-color:#fecaca}#add-connection-btn,#profile-add-connection-btn{margin-top:1rem}.otp-message{font-size:.8rem;color:#64748b;margin-top:.5rem;display:block}#app{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:1.5rem;padding:1rem;box-sizing:border-box}header{text-align:center}.header-content{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.header-branding{display:flex;align-items:center;gap:1rem;text-align:left}.header-logo{height:32px;width:32px;border-radius:50%;object-fit:contain}header h1{font-size:1.5rem;font-weight:700;color:var(--heading-color);margin:0;line-height:1.3}nav{display:flex;justify-content:center;border-bottom:1px solid var(--border-color);margin-top:1rem;flex-wrap:wrap}.tab-button{padding:.75rem 1.5rem;border:none;background-color:transparent;cursor:pointer;font-size:1rem;font-weight:600;color:#64748b;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .2s ease-in-out}.tab-button:hover{color:var(--primary-color)}.tab-button.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}main{display:flex;flex-direction:column;gap:1.5rem}.card{background-color:var(--card-background-color);border-radius:.75rem;padding:1.5rem;box-shadow:var(--shadow);border:1px solid var(--border-color)}.card h2,.card h3{margin-top:0;color:var(--heading-color);font-weight:600}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.card-header .input-group{margin-bottom:0}.main-card{text-align:center}.main-card p,#assessments-section p{max-width:600px;margin:.5rem auto 1.5rem;color:#64748b;line-height:1.6}#assessments-section p{text-align:center}.manual-inputs{display:flex;justify-content:center;align-items:flex-end;gap:1.5rem;margin-bottom:1.5rem;flex-wrap:wrap}.input-group{display:flex;flex-direction:column;align-items:flex-start;gap:.25rem;width:100%}.datetime-inputs{display:flex;gap:.5rem}.input-group label{font-size:.875rem;font-weight:500;color:#475569}.input-group input,.input-group select{font-family:var(--font-family);padding:.5rem .75rem;border:1px solid var(--border-color);border-radius:.5rem;font-size:1rem;background-color:#f8fafc;width:100%;box-sizing:border-box;transition:border-color .2s,box-shadow .2s}.input-group input:read-only,.input-group input:disabled{background-color:#f1f5f9;cursor:not-allowed;color:#64748b}.input-group input:focus,.input-group select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #3b82f666}.error-text{color:var(--error-color);font-size:.8rem;margin-top:.25rem;display:none;min-height:1rem}.error-text.active{display:block}.checkbox-group+.error-text{text-align:left}.input-group input.invalid,.input-group select.invalid,.phone-input-group.invalid{border-color:var(--error-color)}.phone-input-group.invalid:focus-within,.input-group input.invalid:focus{box-shadow:0 0 0 2px #ef444466}.primary-button{background-color:var(--primary-color);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:.5rem;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .2s,box-shadow .2s;display:inline-flex;align-items:center;gap:.5rem;justify-content:center}.primary-button.full-width{width:100%}.primary-button:hover:not(:disabled){background-color:var(--primary-color-hover)}.primary-button:focus-visible,.secondary-button:focus-visible,.tab-button:focus-visible{outline:none;box-shadow:0 0 0 3px #3b82f680}.primary-button:disabled{opacity:.6;cursor:not-allowed}.loader{border:4px solid #f3f3f3;border-radius:50%;border-top:4px solid var(--primary-color);width:30px;height:30px;animation:spin 1s linear infinite;margin:1rem auto 0}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error{color:#ef4444;background-color:#fee2e2;border:1px solid #fecaca;border-radius:.5rem;padding:.75rem;margin-top:1rem;font-size:.9rem}#daily-meals-container{display:flex;flex-direction:column;gap:1.5rem}.meal-card{border:1px solid var(--border-color);border-radius:.5rem;padding:1rem}.meal-details{display:grid;grid-template-columns:150px 1fr;gap:1.5rem;align-items:center}.meal-image{width:150px;height:150px;object-fit:cover;border-radius:.5rem}.nutrition-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;text-align:center}.fasting-status-grid{display:flex;flex-direction:column;gap:1rem}.metric-item{background-color:#f1f5f9;padding:1rem;border-radius:.5rem}.nutrition-grid .metric-item{background:none;padding:0;text-align:left}.nutrition-grid .metric-item.wide{grid-column:1 / -1}.metric-label{display:block;font-size:.875rem;color:#64748b;margin-bottom:.25rem}.metric-value{font-size:1.5rem;font-weight:600;color:var(--heading-color)}.ai-suggestion{margin-top:1rem;padding:1rem;background-color:#f0f9ff;border-left:4px solid var(--primary-color);display:flex;align-items:flex-start;gap:.75rem;border-radius:0 .25rem .25rem 0}.ai-suggestion svg{flex-shrink:0;width:20px;height:20px;color:var(--primary-color);margin-top:2px}.ai-suggestion p{margin:0;font-size:.9rem;line-height:1.5}.placeholder-text{text-align:center;color:#64748b;padding:2rem 0}.current-fast{text-align:center;border:2px solid var(--primary-color);background-color:#f0f9ff}.fasting-gap-item{display:flex;justify-content:space-between;align-items:center;background-color:#f8fafc;padding:1rem;border-radius:.5rem;border:1px solid var(--border-color)}.fasting-gap-label{font-size:1rem;color:var(--heading-color)}.fasting-gap-label .gap-detail{font-size:.8rem;color:#64748b;margin-left:.5rem}.fasting-gap-value{font-size:1.25rem;font-weight:600;color:var(--primary-color);flex-shrink:0;margin-left:1rem}#weekly-chart,#fasting-chart{height:300px!important;width:100%!important}.phone-input-group{display:flex;align-items:stretch;border:1px solid var(--border-color);border-radius:.5rem;overflow:hidden;background-color:#f8fafc;transition:border-color .2s,box-shadow .2s}.phone-input-group:focus-within{border-color:var(--primary-color);box-shadow:0 0 0 2px #3b82f666}.phone-input-group select,.phone-input-group input{border:none;border-radius:0;background-color:transparent;width:auto}.phone-input-group select{background-color:#f1f5f9;border-right:1px solid var(--border-color);padding-right:.5rem;flex-shrink:0}.phone-input-group input{flex-grow:1}.phone-input-group select:focus,.phone-input-group input:focus{outline:none}#assessment-form,#profile-form,#change-password-form{display:flex;flex-direction:column;gap:2rem}#assessment-form fieldset,#profile-form fieldset{border:none;padding:0;margin:0;border-top:1px solid var(--border-color);padding-top:1.5rem}#assessment-form fieldset:first-of-type,#profile-form fieldset:first-of-type{border-top:none;padding-top:0}#assessment-form legend,#profile-form legend{font-size:1.125rem;font-weight:600;color:var(--heading-color);padding-right:1rem;margin-bottom:1rem}.checkbox-group,.radio-group{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.75rem}.form-option{display:flex;align-items:center;gap:.5rem}.form-option input[type=checkbox],.form-option input[type=radio]{width:1.1rem;height:1.1rem;cursor:pointer;flex-shrink:0}.form-option input[type=checkbox]:focus-visible,.form-option input[type=radio]:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}.form-option label{font-size:.95rem;cursor:pointer}.form-actions{display:flex;align-items:center;gap:1rem;justify-content:center;padding-top:1rem;border-top:1px solid var(--border-color);margin-top:1rem}#change-password-form .form-actions{border-top:none;padding-top:0;margin-top:0}.saved-message{color:var(--primary-color);font-weight:500;opacity:0;transition:opacity .3s ease-in-out}.logout-card{padding:1rem;margin-top:1.5rem;background-color:#f1f5f9}@media(max-width:768px){#app{padding:.5rem}.header-content{flex-direction:column;gap:.5rem;align-items:center}.header-branding{flex-direction:column;gap:.25rem}header h1{font-size:1.1rem;text-align:center}.onboarding-container,.auth-container{padding:1.5rem}.form-grid{grid-template-columns:1fr}.card-header{flex-direction:column;align-items:flex-start;gap:1rem}.meal-details{grid-template-columns:1fr;text-align:center}.meal-image{margin:0 auto 1rem}.fasting-gap-item{flex-direction:column;align-items:flex-start;gap:.5rem}.fasting-gap-value{margin-left:0;align-self:flex-end}.checkbox-group,.radio-group{grid-template-columns:1fr}.connection-item{flex-direction:column;align-items:stretch}.remove-connection-btn{margin-bottom:0;align-self:flex-end}}