:root{font-family:Poppins,-apple-system,BlinkMacSystemFont,sans-serif}.app{max-width:600px;margin:0 auto;padding:2rem}.app>h1{text-align:center;font-size:2.5rem;font-weight:800;margin:0 0 1rem;color:#f97316}.loading{text-align:center;padding:2rem}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid #e5e7eb}header>h1{margin:0;font-size:1.875rem;font-weight:800;color:#f97316}.user-info{display:flex;align-items:center;gap:1rem}.user-info>span{font-weight:600;color:#374151}nav{display:flex;gap:1rem;justify-content:center;margin-bottom:2rem}.sign-in-container,.sign-up-container{max-width:420px;margin:0 auto}.auth-header{margin-bottom:2rem}.auth-header h2{font-size:1.75rem;font-weight:700;margin:0 0 .5rem;color:#f97316}.auth-subtitle{margin:0;color:#6b7280;font-size:.9375rem}.auth-form{display:flex;flex-direction:column;gap:1.25rem;background:#fff;padding:2rem;border-radius:1rem}.form-group{display:flex;flex-direction:column;gap:.25rem}.form-group label{font-weight:600;font-size:.875rem;color:#374151}.form-group input[type=email],.form-group input[type=text],.form-group input[type=password]{padding:.75rem;border:1.5px solid #e5e7eb;border-radius:.5rem;font-size:.9375rem;transition:all .2s;background-color:#f9fafb}.form-group input[type=email]:focus,.form-group input[type=text]:focus,.form-group input[type=password]:focus{outline:none;border-color:#f97316;background-color:#fff}.form-group input.input-error{border-color:#ef4444;background-color:#fef2f2}.form-group input.input-error:focus{border-color:#ef4444}.form-group input:disabled{background-color:#f3f4f6;cursor:not-allowed;opacity:.6}.form-group.checkbox{flex-direction:row;align-items:center;gap:.75rem}.form-group.checkbox input[type=checkbox]{width:1.125rem;height:1.125rem;cursor:pointer;accent-color:#f97316}.form-group.checkbox label{cursor:pointer;margin:0}.error-text{font-size:.75rem;color:#ef4444;margin-top:.25rem;display:block}.password-hint{font-size:.75rem;color:#6b7280;margin-top:.25rem;display:block}.error-message{padding:.75rem;background-color:#fef2f2;color:#dc2626;border:1px solid #fecaca;border-radius:.5rem;font-size:.875rem}button{padding:.5rem 1rem;background-color:#3b82f6;color:#fff;border:none;border-radius:.375rem;font-size:1rem;cursor:pointer;transition:background-color .2s}.submit-button{padding:.875rem;background-color:#f97316;color:#fff;border:none;border-radius:.5rem;font-size:.9375rem;font-weight:600;cursor:pointer;transition:background-color .2s}.submit-button:hover:not(:disabled){background-color:#ea580c}.submit-button:disabled{background-color:#fdba74;cursor:not-allowed}.toggle-button{padding:0;background:none;color:#f97316;border:none;border-radius:0;font-size:.9375rem;font-weight:600;cursor:pointer;transition:color .2s}.toggle-button:hover:not(:disabled){color:#ea580c;text-decoration:underline}.toggle-button:disabled{color:#9ca3af;cursor:not-allowed}button:hover:not(:disabled){background-color:#ea580c}button:disabled:not(.submit-button):not(.toggle-button){background-color:#9ca3af;cursor:not-allowed}.sign-out-button{background-color:#ef4444;font-size:.875rem;padding:.375rem .75rem}.sign-out-button:hover:not(:disabled){background-color:#dc2626}main{padding:1rem}.auth-toggle{text-align:center;margin-top:.5rem;font-size:.9375rem;color:#6b7280}.auth-toggle button{display:inline}.feeling-input-container{margin-bottom:2rem}.feeling-input-container>h2{font-size:1.5rem;font-weight:700;margin:0 0 1rem;color:#f97316}.feeling-form{display:flex;flex-direction:column;gap:.75rem}.feeling-textarea{width:100%;padding:.75rem;border:1.5px solid #e5e7eb;border-radius:.5rem;font-size:.9375rem;font-family:inherit;resize:vertical;background-color:#f9fafb;transition:border-color .2s}.feeling-textarea:focus{outline:none;border-color:#f97316;background-color:#fff}.feeling-textarea:disabled{background-color:#f3f4f6;cursor:not-allowed;opacity:.6}.feeling-history>h3{font-size:1.25rem;font-weight:700;margin:0 0 1rem;color:#374151}.feeling-list{display:flex;flex-direction:column;gap:1rem}.feeling-card{background-color:#fff;padding:1rem;border-radius:.5rem;border:1px solid #e5e7eb}.feeling-header{margin-bottom:.5rem}.feeling-date{font-size:.8125rem;color:#6b7280}.feeling-text{margin:.5rem 0;font-style:italic;color:#374151;line-height:1.5}.feeling-analysis{display:flex;flex-direction:column;gap:.5rem;margin-top:.75rem;padding-top:.75rem;border-top:1px solid #e5e7eb}.analysis-item{display:flex;justify-content:space-between;align-items:center;font-size:.875rem}.analysis-label{color:#6b7280;font-weight:500}.analysis-value{font-weight:600;color:#374151}.analysis-item.polarity-positive .analysis-value{color:#22c55e}.analysis-item.polarity-negative .analysis-value{color:#ef4444}.analysis-item.polarity-neutral .analysis-value{color:#f97316}.empty-state{text-align:center;padding:2rem;color:#6b7280;font-style:italic}